Application Serial No. 10/648,012
`Response to Office Action of October 02, 2006
`Docket No. W003-4000
`
`
`
`
`THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`(Express Mail Label No.: EB 069229393 US )
`
`Application No.:
`
`10/648,012
`
`Applicant:
`
`Filing Date:
`Title:
`
`TC/A.U.:
`
`Confirmation No.
`
`Examiner:
`Docket No.
`
`WOOLFORK, C. Earl
`
`08/26/2003
`WIRELESS DIGITAL AUDIO MUSIC SYSTEM
`
`2615
`
`3337
`
`FLANDERS, Andrew C.
`W003-4000
`
`Mail Stop AF
`Commissioner for Patents
`Post Office Box 1450
`
`Alexandria, Virginia 22313—1450
`
`AFTER FINAL RESPONSE TO OFFICE ACTION
`
`Dear Sir:
`
`In response to the Final Office Action of October 2, 2006, please amend without
`prejudice the above—identified patent application as follows:
`
`Amendments to the Claims are reflected in the listing of claims, which begins on page
`2 of this paper.
`
`Remarks/Arguments begin on page 29 of this paper.
`
`Page 1 of 46
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`SONY EXHIBIT 1005 — 0501
`
`
`Response to Office Action of October 02, 2006
`Docket No. W003-4000
`
`
`
`
`THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`(Express Mail Label No.: EB 069229393 US )
`
`Application No.:
`
`10/648,012
`
`Applicant:
`
`Filing Date:
`Title:
`
`TC/A.U.:
`
`Confirmation No.
`
`Examiner:
`Docket No.
`
`WOOLFORK, C. Earl
`
`08/26/2003
`WIRELESS DIGITAL AUDIO MUSIC SYSTEM
`
`2615
`
`3337
`
`FLANDERS, Andrew C.
`W003-4000
`
`Mail Stop AF
`Commissioner for Patents
`Post Office Box 1450
`
`Alexandria, Virginia 22313—1450
`
`AFTER FINAL RESPONSE TO OFFICE ACTION
`
`Dear Sir:
`
`In response to the Final Office Action of October 2, 2006, please amend without
`prejudice the above—identified patent application as follows:
`
`Amendments to the Claims are reflected in the listing of claims, which begins on page
`2 of this paper.
`
`Remarks/Arguments begin on page 29 of this paper.
`
`Page 1 of 46
`
`SONY EXHIBIT 1005 — 0501
`
`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`AMENDMENT TO CLAIMS:
`
`This listing of claims will replace all prior versions, and listings, of claims in the
`
`application.
`
`Listing of Claims:
`
`1.
`
`(Currently Amended) A wireless digital audio music system for spread
`
`spectrum communication of an audio music signal from the analog headphone jack
`
`connected to a battery powered spread spectrum transmitter and received by a battery
`
`powered spread spectrum headphone receiver comprising:
`
`an analog headphone jack from an analog audio music source in communication
`
`with—a 93 battery powered spread spectrum digital
`
`transmitter having a transmit
`
`
`antenna;
`
`said battery powered digital transmitter converts an analog audio music signal
`
`from said eaeisting analog headphone jack to a digital signal using an analog-to-digital
`
`converter {ADC} A96 in communication with an encoder;
`
`said encoder in communication with a channel encoder;
`
`said channel encoder in communication with a digital modulator;
`
`said digital modulator in communication with a spread spectrum communication
`
`modulator that utilizes a code generator to create a unique codeword hep—pattern for
`
`each individual user;
`
`said spread spectrum communication modulator in communication with a E
`
`transmit antenna that transmits at a radio frequency of approximately 2.4 GHz for
`
`Page 2 of 46
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`SONY EXHIBIT 1005 — 0502
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`receipt by a receiving antenna of the battery powered spread spectrum headphone
`
`receiver;
`
`said receiving antenna in communication with a spread spectrum communication
`
`demodulator;
`
`said spread spectrum communication demodulator
`
`in communication with a
`
`receiver code generator and with a digital demodulator;
`
`said digital demodulator in communication with a channel decoder;
`
`said channel decoder in communication with a receiver decoder;
`
`said receiver decoder
`
`in communication with a digital-to-analog converter
`
`9%) DAG;
`
`said DAC in communication with a low pass filter to pass the analog music
`
`signal in the approximate frequency band of 20 Hz to 20 kHz; and
`
`
`said low pass filter passing gig analog music signal which will be amplified for
`
`processing to a speaker headphone set to provide high quality music for listening by a
`
`single user wearing the headphones: battery powered spread spectrum headphone
`
`receiver.
`
`Claims 2 — 3 (canceled).
`
`4.
`
`(Currently Amended) A method
`
`for
`
`battery
`
`powered wireless
`
`communication transmission and reception of high fidelity audio music between a
`
`battery operated digital transmitter and a battery operated digital receiver headphone
`
`Page 3 of 46
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`SONY EXHIBIT 1005 — 0503
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003~4000
`
`comprising the steps of:
`
`connecting the plug attached to said battery operated digital transmitter to the
`
`existing analog headphone jack of an audio music source;
`
`converting a an analog music audio signal to a digital communication signal
`
`using an analog-to-digital converter gADC) A99 in communication with an encoder;
`
`encoding the communication signal using channel encoding;
`
`modulating the digital communication signal using a digital modulator;
`
`creating a spread spectrum signal using a code generator to modulate a unique
`
`codeword hep—pattern for each individual user;
`
`transmitting said spread spectrum signal at a radio frequency of approximately
`
`2.4 GHz;
`
`receiving said spread spectrum signal at said battery operated digital receiver
`
`headphones;
`
`demodulating said spread spectrum signal;
`
`demodulating said digital communication signal;
`
`channel decoding of said digital communication signal;
`
`converting said digital communication signal back to said analog music audio
`
`signal using a decoder in communication with a digital—to—analog converter gDACg
`
`DAG; and
`
`communicating said analog music audio signal to a headphone speaker within
`
`the headphone-receiver said battery operated digital receiver headphone.
`
`Page 4 of 46
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`SONY EXHIBIT 1005 — 0504
`
`
`
`lO/648,012
`Application Serial No.
`Response to Office Action of October 2. 2006
`Attorney Docket No. W003-4000
`
`Claim 5 (canceled).
`
`6. (Currently Amended) An audio music digital wireless transmitter for spread
`
`spectrum communication of an audio music signal, comprising:
`
`an analog headphone plug for attachment to an existing analog headphone jack
`
`{item o_f an audio music sourcez said analog headphone plug in communication with a
`
`battery powered digital transmitter;
`
`said battery powered digital transmitter being configured to convert an analog
`
`audio music signal from said existing analog headphone jackto a digital signal using an
`
`analog-to-digital converter (ADC) A—DG in communication with an encoder;
`
`said encoder in communication with a channel encoder;
`
`said channel encoder in communication with a digital modulator;
`
`said digital modulator in communication with a spread spectrum communication
`
`modulator that utilizes a code generator to create a unique codeword hep—pattern for
`
`each individual user; and
`
`said spread spectrum communication modulator
`
`in communication with a
`
`transmit antenna that transmits at a radio frequency of approximately 2.4 GHz for
`
`receipt by a receiving antenna.
`
`7. (Currently Amended) An audio music digital wireless headphone receiver for
`
`spread spectrum communication of an audio music signal, comprising:
`
`a receiving antenna in communication with a spread spectrum communication
`
`Page 5 of 46
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`SONY EXHIBIT 1005 — 0505
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`
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`Application Serial No. 10/648.012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`demodulator;
`
`said spread spectrum communication demodulator in communication with a code
`
`generator configured to create a unique codeword hop-pattern for each individual user;
`
`said digital demodulator in communication with a channel decoder;
`
`said channel decoder in communication with a decoder;
`
`said decoder in communication with a digital-to—analog converter gDACg—DAG
`
`to create an analog music signal;
`
`said DAC in communication with a low pass filter to pass the analog music
`
`signal in the approximate frequency band of 20 Hz to 20kHz; and
`
`
`said low pass filter passing @ analog music signal which will be amplified for
`
`processing to a speaker headphone set to provide high quality music for listening by a
`
`single user wearing the headphones headphone receiver.
`
`Claims 8 — 9 (canceled).
`
`10.
`
`(Currently Amended) A wireless digital audio music system for spread
`
`spectrum communication of an audio music signal from the analog headphone jack
`
`connected to a battery powered spread spectrum transmitter and received by a battery
`
`powered spread spectrum headphone receiver comprising:
`
`an existing analog headphone jack from an audio music
`
`source
`
`in
`
`communication with a Q battery powered spread spectrum digital transmitter having a
`
`transmit antenna;
`
`said battery powered spread spectrum digital
`
`transmitter converts an analog
`
`Page 6 of 46
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`SONY EXHIBIT 1005 — 0506
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`audio music signal from said existing analog headphone jack to a digital signal using an
`
`analog-to—digital converter gADCl—ADG in communication with an encoder;
`
`said encoder in communication with a channel encoder that is configured to send
`
`encoded symbols that are compatible with a Viterbi decoder;
`
`said channel encoder in communication with a digital modulator;
`
`said digital modulator in communication with a spread spectrum communication
`
`modulator that utilizes a code generator to create a unique codeword hop—pattern for
`
`each individual user;
`
`said spread spectrum communication modulator in communication with a th_e
`
`transmit antenna that transmits at a radio frequency of approximately 2.4 GHz for
`
`receipt by a receiving antenna coupled to said battegy powered spread spectrum
`
`headphone receiver;
`
`said receiving antenna in communication with a spread spectrum communication
`
`demodulator;
`
`said spread spectrum communication demodulator in communication with a
`
`receiver code generator and with a digital demodulator;
`
`said digital demodulator in communication with a Viterbi decoder;
`
`said Viterbi decoder in communication with a receiver decoder;
`
`said receiver decoder
`
`in communication with a digital—to—analog converter
`
`gDACQBAG;
`
`said DAC in communication with a low pass filter to pass the analog music
`
`signal in the approximate frequency band of 20 Hz to 20 kHz; and
`
`Page 7 of 46
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`SONY EXHIBIT 1005 — 0507
`
`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003—4000
`
`
`said low pass filter passing Q analog music signal which will be amplified for
`
`processing to a speaker headphone set to provide high quality music for listening by a
`
`single user wearing the headphones said battery powered spread spectrum headphone
`
`receiver.
`
`11. (Currently Amended) An audio music digital wireless receiver for spread
`
`spectrum communication of an audio music signal to be received by a battery powered
`
`spread spectrum headphone receiver comprising:
`
`a receiving antenna in communication with a spread spectrum communication
`
`demodulator;
`
`said spread spectrum communication demodulator in communication with a code
`
`generator configured to create a unique codeword hep-pattern for each individual user;
`
`said digital demodulator in communication with a Viterbi decoder;
`
`said Viterbi decoder in communication with a decoder;
`
`said decoder in communication with a DAC;
`
`said DAC in communication with a low pass filter to pass the analog music
`
`signal in the approximate frequency band of 20 Hz to 20kHz; and
`
`
`said low pass filter passing m analog music signal which will be amplified for
`
`processing to a speaker headphone set to provide high quality music for listening by a
`
`single user wearing the—headphones battery powered spread spectrum headphone
`
`receiver.
`
`Page 8 of 46
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`SONY EXHIBIT 1005 — 0508
`
`
`
`Application Serial No. lO/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`12. (Currently Amended). A wireless digital audio music system for spread
`
`spectrum communication of an audio music signal from the analog headphone jack
`
`connected to a battery powered spread spectrum transmitter and received by a battery
`
`powered spread spectrum headphone receiver comprising:
`
`an analog headphone jack from an audio music source in communication with a
`
`battery powered digital transmitter having a transmit antenna;
`
`said battery powered digital transmitter converts an ph_e audio music signal from
`
`said eaeisting analog headphone jack to a digital signal using an analog-to-digital
`
`converter gADCQ A—DG in communication with an encoder;
`
`said encoder in communication with a channel encoder;
`
`said channel encoder in communication with a digital modulator;
`
`said digital modulator in communication with a spread spectrum communication
`
`modulator that utilizes a code generator to create a unique codeword hep-pattern for an
`
`individual user;
`
`said spread spectrum communication modulator in communication with a t_h_e
`
`transmit antenna that transmits at a radio frequency of approximately 2.4 GHz for
`
`receipt by a receiving antenna;
`
`said receiving antenna2 of said battery powered spread spectrum headphone
`
`receiver, in communication with a spread spectrum communication demodulator;
`
`a receiver code generator configured to create a E unique hep—pattern
`
`codeword for each individual user;
`
`a 24 GHz direct conversion receiver
`
`that
`
`includes a spread spectrum
`
`Page 9 of 46
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`SONY EXHIBIT 1005 — 0509
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`communication demodulator;
`
`said spread spectrum communication demodulator in communication with said
`
`receiver code generator and with a digital demodulator;
`
`said digital demodulator in communication with a channel decoder;
`
`said channel decoder in communication with a receiver decoder;
`
`said receiver decoder in communication with a DAC;
`
`said DAC in communication with a low pass filter to pass the analog music
`
`signal in the approximate frequency band of 20 Hz to 20 kHz; and
`
`
`said low pass filter passing analog music signal which will be amplified for
`
`processing to a speaker headphone set to provide high quality music for listening by a
`
`single user wearing the headphones battery powered spread spectrum headphone
`
`receiver.
`
`13. (Currently Amended) An audio music digital wireless receiver for spread
`
`spectrum communication of an audio music signal, comprising:
`
`a receiving antenna in communication with a 2.4 GHz direct conversion
`
`receiver, wherein the direct
`
`conversion receiver
`
`includes
`
`a
`
`spread spectrum
`
`communication demodulator
`
`in communication with a code generator,
`
`said code
`
`generator being configured to create a unique codeword hep-pattern for each individual
`
`user;
`
`said digital demodulator in communication with a channel decoder;
`
`said channel decoder in communication with a decoder;
`
`Page 10 of 46
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`SONY EXHIBIT 1005 — 0510
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`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2. 2006
`Attorney Docket No. W003—4000
`
`said decoder in communication with a digital—to-analog converter gDAC) DAC;
`
`said DAC in communication with a low pass filter to pass the analog music
`
`signal in the approximate frequency band of 20 Hz to 20kHz; and
`
`
`said low pass filter passing E analog music signal which will be amplified for
`
`processing to a speaker headphone set to provide high quality music for listening by a
`
`single user wearing the headphones wireless receiver.
`
`14. (Currently Amended) A wireless digital audio system, comprising:
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source;
`
`at least one audio receiver adapted for digital wireless communication with said
`
`at
`
`least one audio transmitter and utilizing fuzzy logic to optimize digital signal
`
`processing, each of said at
`
`least one digital audio transmitter and receiver being
`
`configured for code division multiple access (CDMA) communicationz the at least one
`
`receiver processing a CDMA signal having a CDMA communication configuration
`
`from the at least one audio transmitter to produce a processed CDMA signal; and
`
`at least one module adapted to audibly reproduce said processed CDMA signal,
`
`said CDMA communication configuration providing a user with independent audio
`
`reproduction free of interference from other users or wireless devices.
`
`15.
`
`(Currently Amended) A wireless digital audio system, comprising:
`
`Page 11 of 46
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`SONY EXHIBIT 1005 — 0511
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2. 2006
`Attorney Docket No. W003-4000
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source;
`
`at least one audio receiver adapted for digital wireless communication with said
`
`at
`
`least one audio transmitter and utilizing fuzzy logic to optimize digital signal
`
`processing, each of said at
`
`least one digital audio transmitter and receiver being
`
`configured for code division multiple access (CDMA) communication, the at least one
`
`receiver processing a CDMA signal having a CDMA communication configuration
`
`from the at least one audio transmitter to produce a processed CDMA signal;
`
`at least one module adapted to amplify said processed CDMA signal; and
`
`at least one module adapted to audibly reproduce said amplified signal, said
`
`CDMA communication configuration providing a user with independent audio
`
`reproduction free of interference from other users or wireless devices.
`
`16.
`
`(Previously Presented) The wireless digital audio system of Claim 15,
`
`wherein said at
`
`least one signal amplifying module includes at
`
`least one power
`
`amplifier, said at least one power amplifier being configured to provide a low distortion
`
`audio signal output.
`
`17.
`
`(Previously Presented) The wireless digital audio system of Claim 16,
`
`wherein said at least one audible reproducing module includes at least one headphone
`
`speaker, said at least one headphone speaker receiving said low distortion audio signal
`
`Page 12 of 46
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`SONY EXHIBIT 1005 — 0512
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
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`output from said at least one power amplifier.
`
`18.
`
`(Previously Presented) The wireless digital audio system of Claim 14,
`
`wherein said at least one audible reproducing module includes at least one headphone
`
`speaker.
`
`19. (Previously Presented) A wireless digital audio system, comprising:
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source, said at least one audio transmitter comprising:
`
`a first analog low pass filter receiving audio output from said at least one
`
`audio source;
`
`a digital low pass filter;
`
`an analog-to-digital converter (ADC) operatively coupled between said
`
`first analog and digital low pass filters;
`
`a first encoder receiving output from said digital
`
`low pass filter and
`
`being configured to reduce intersymbol interference (181);
`
`a second channel encoder operatively coupled to said first encoder and
`
`adapted to reduce transmission errors;
`
`a digital modulator operatively coupled to said second channel encoder;
`
`and
`
`a differential phase shift key (DPSK) module receiving output from said
`
`Page 13 of 46
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`SONY EXHIBIT 1005 — 0513
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`digital modulator and being configured for direct sequence spread spectrum (DSSS)
`
`communication, said DPSK module transmitting a corresponding DSSS signal;
`
`at least one audio receiver configured for digital wireless communication with
`
`said at least one audio transmitter and utilizing embedded fuzzy logic to optimize digital
`
`signal processing, said at least one audio receiver comprising:
`
`a band pass filter (BPF) configured to process said transmitted DSSS
`
`signal;
`
`a direct conversion module receiving output from said BPF and being
`
`configured to capture the correct bit sequence embedded in said processed DSSS signal;
`
`a digital demodulator adapted to process output
`
`from said direct
`
`conversion module;
`
`a Viterbi decoder operatively coupled to said digital demodulator and
`
`generating a corresponding digital output;
`
`a source decoder processing said digital output from said Viterbi decoder
`
`and being configured to decode the digital signal encoded by said first encoder;
`
`a second analog low pass filter; and
`
`a digital-to-analog converter (DAC) operatively coupled between said source
`
`decoder and said second analog low pass filter, said second analog low pass filter
`
`generating an audio output corresponding to the decoded and converted digital signal;
`
`and
`
`at least one module adapted to reproduce said generated audio output, said audio
`
`output having been wirelessly transmitted from said at least one audio source to a user
`
`Page 14 of 46
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`SONY EXHIBIT 1005 — 0514
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W0034000
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`without interference from other users or wireless devices.
`
`20.
`
`(Previously Presented) The wireless digital audio system of Claim 19,
`
`wherein said BPF is a wideband BPF.
`
`21.
`
`(Previously Presented) The wireless digital audio system of Claim 19,
`
`wherein said modulator is a 64-Ary modulator.
`
`22.
`
`(Previously Presented) The wireless digital audio system of Claim 19,
`
`wherein said demodulator is a 64—Ary demodulator.
`
`23.
`
`(Previously Presented) The wireless digital audio system of Claim 19,
`
`wherein said generated audio output is in the approximate range of 20 Hz to 20 kHz.
`
`24.
`
`(Currently Amended) The wireless digital audio system of Claim 19,
`
`wherein said spread—speetr—um transmitted DSSS signal is transmitted at about 2.4 GHz
`
`via an omni—directional antenna.
`
`25.
`
`(Currently Amended) The wireless digital audio system of Claim 24,
`
`wherein said spread-9139mm transmitted DSSS signal
`
`is transmitted at a power of
`
`about 100 milliwatts or less.
`
`Page 15 of 46
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`SONY EXHIBIT 1005 — 0515
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`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`26.
`
`(Previously Presented) The wireless digital audio system of Claim 19,
`
`wherein said ADC is a 4—bit analog—to—digital converter.
`
`27.
`
`(Previously Presented) The wireless digital audio system of Claim 19,
`
`wherein said at least one audio source is a portable audio player.
`
`28.
`
`(Previously Presented) The wireless digital audio system of Claim 19,
`
`wherein said at least one audio reproducing module includes at least one headphone
`
`speaker.
`
`29.
`
`(Previously Presented)The wireless digital audio system of Claim 19,
`
`wherein said BPF is operatively coupled to at least one antenna configured to receive
`
`said transmitted DSSS signal.
`
`30. (Previously Presented) A wireless digital audio system, comprising:
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source, said at least one audio transmitter comprising:
`
`a first analog low pass filter receiving audio output from said at least one
`
`audio source;
`
`a digital low pass filter;
`
`an analog-to—digital converter (ADC) operatively coupled between said
`
`Page 16 of 46
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`SONY EXHIBIT 1005 — 0516
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`
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`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`first analog and digital low pass filters;
`
`a first encoder receiving output from said digital
`
`low pass filter and
`
`being configured to reduce intersymbol interference (181);
`
`a second channel encoder operatively coupled to said first encoder and
`
`adapted to reduce transmission errors;
`
`a digital modulator operatively coupled to said second channel encoder;
`
`and
`
`a differential phase shift key (DPSK) module receiving output from said
`
`digital modulator and being configured for direct sequence spread spectrum (DSSS)
`
`communication, said DPSK module transmitting a corresponding DSSS signal;
`
`at least one audio receiver configured for digital wireless communication with
`
`said at least one audio transmitter and utilizing embedded fuzzy logic to optimize digital
`
`signal processing, said at least one audio receiver comprising:
`
`a band pass filter (BPF) configured to process said transmitted DSSS
`
`signal;
`
`a direct conversion module receiving output from said BPF and being
`
`configured to capture the correct bit sequence embedded in said processed DSSS signal;
`
`a digital demodulator adapted to process output
`
`from said direct
`
`conversion module;
`
`a Viterbi decoder operatively coupled to said digital demodulator and
`
`generating a corresponding digital output;
`
`a source decoder processing said digital output from said Viterbi decoder
`
`Page 17 of 46
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`SONY EXHIBIT 1005 — 0517
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`
`
`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`and being configured to decode the digital signal encoded by said first encoder;
`
`a second analog low pass filter; and
`
`a digital—to—analog converter (DAC) operatively coupled between said
`
`source decoder and said second analog low pass filter, said second analog low
`
`pass filter generating an audio output corresponding to the decoded and
`
`converted digital signal;
`
`at least one module adapted to amplify said generated audio output; and
`
`at least one module adapted to reproduce said amplified audio output, said audio
`
`output having been wirelessly transmitted from said at least one audio source to a user
`
`without interference from other users or wireless devices.
`
`31.
`
`(Previously Presented) The wireless digital audio system of Claim 30,
`
`wherein said at
`
`least one audio amplifying module includes at
`
`least one power
`
`amplifier, said at least one power amplifier being configured to provide a low distortion
`
`audio signal output.
`
`32. (Previously Presented) The wireless digital audio system of Claim 31,
`
`wherein said at least one audio reproducing module includes at least one headphone
`
`speaker, said at least one headphone speaker receiving said low distortion audio signal
`
`output from said at least one power amplifier.
`
`33. (Previously Presented) A wireless digital audio system, comprising:
`
`Page 18 of 46
`
`SONY EXHIBIT 1005 — 0518
`
`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source;
`
`at least one audio receiver adapted for digital wireless communication with said
`
`at least one audio transmitter, each of said at least one digital audio transmitter and
`
`receiver being configured for code division multiple access (CDMA) communication;
`
`and
`
`at least one module adapted to audibly reproduce said processed CDMA signal,
`
`said CDMA communication configuration providing a user with independent audio
`
`reproduction free of interference from other users or wireless devices.
`
`34. (Previously Presented) A wireless digital audio system, comprising:
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source;
`
`at least one audio receiver adapted for digital wireless communication with said
`
`at least one audio transmitter, each of said at least one digital audio transmitter and
`
`receiver being configured for code division multiple access (CDMA) communication;
`
`at least one module adapted to amplify said processed CDMA signal; and
`
`at least one module adapted to audibly reproduce said amplified signal, said
`
`CDMA communication configuration providing a user with independent audio
`
`reproduction free of interference from other users or wireless devices.
`
`Page 19 of 46
`
`SONY EXHIBIT 1005 — 0519
`
`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`35.
`
`(Previously Presented) The wireless digital audio system of Claim 14,
`
`wherein said at least one audio source provides analog output in the approximate range
`
`of 20 Hz to 20 kHz.
`
`36.
`
`(Previously Presented) The wireless digital audio system of Claim 15,
`
`wherein said at least one audio source provides analog output in the approximate range
`
`of 20 Hz to 20 kHz.
`
`37.
`
`(Previously Presented) The wireless digital audio system of Claim 33,
`
`wherein said at least one audio source provides analog output in the approximate range
`
`of 20 Hz to 20 kHz.
`
`38.
`
`(Previously Presented) The wireless digital audio system of Claim 34,
`
`wherein said at least one audio source provides analog output in the approximate range
`
`of 20 Hz to 20 kHz.
`
`39.
`
`(Previously Presented) The wireless digital audio system of Claim 14,
`
`wherein at least one of said digital audio transmitter and receiver is battery-powered.
`
`40.
`
`(Previously Presented) The wireless digital audio system of Claim 15,
`
`wherein at least one of said digital audio transmitter and receiver is battery-powered.
`
`Page 20 of 46
`
`SONY EXHIBIT 1005 — 0520
`
`
`
`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`41.
`
`(Previously Presented) The wireless digital audio system of Claim 33,
`
`wherein at least one of said digital audio transmitter and receiver is battery-powered.
`
`42.
`
`(Previously Presented) The wireless digital audio system of Claim 34,
`
`wherein at least one of said digital audio transmitter and receiver is battery-powered.
`
`43. (Previously Presented) A wireless digital audio system, comprising:
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source, said at least one audio transmitter comprising:
`
`a first analog low pass filter receiving audio output from said at least one
`
`audio source;
`
`a digital low pass filter;
`
`an analog-to-digital converter (ADC) operatively coupled between said
`
`first analog and digital low pass filters;
`
`3 first encoder receiving output from said digital
`
`low pass filter and
`
`being configured to reduce intersymbol interference (ISI);
`
`3 second channel encoder operatively coupled to said first encoder and
`
`adapted to reduce transmission errors;
`
`a digital modulator operatively coupled to said second channel encoder;
`
`and
`
`Page 21 of 46
`
`SONY EXHIBIT 1005 — 0521
`
`
`
`Application Serial No. lO/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003-4000
`
`a differential phase shift key (DPSK) module receiving output from said
`
`digital modulator and being configured for direct sequence spread spectrum (DSSS)
`
`communication, said DPSK module transmitting a corresponding DSSS signal;
`
`at least one audio receiver configured for digital wireless communication with
`
`said at least one audio transmitter, said at least one audio receiver comprising:
`
`a band pass filter (BPF) configured to process said transmitted DSSS
`
`signal;
`
`a direct conversion module receiving output from said BPF and being
`
`configured to capture the correct bit sequence embedded in said processed DSSS signal;
`
`a digital demodulator adapted to process output
`
`from said direct
`
`conversion module;
`
`a Viterbi decoder operatively coupled to said digital demodulator and
`
`generating a corresponding digital output;
`
`a source decoder processing said digital output from said Viterbi decoder
`
`and being configured to decode the digital signal encoded by said first encoder;
`
`a second analog low pass filter; and
`
`a digital—to-analog converter (DAC) operatively coupled between said
`
`source decoder and said second analog low pass filter, said second analog low
`
`pass
`
`filter generating an audio output corresponding to the decoded and
`
`converted digital signal; and
`
`at least one module adapted to reproduce said generated audio output, said audio
`
`output having been wirelessly transmitted from said at least one audio source to a user
`
`Page 22 of 46
`
`SONY EXHIBIT 1005 — 0522
`
`
`
`Application Serial No. 10/648.012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003~4000
`
`without interference from other users or wireless devices.
`
`44. (Previously Presented) A wireless digital audio system, comprising:
`
`at least one audio source;
`
`at least one digital audio transmitter operatively coupled to said at least one
`
`audio source, said at least one audio transmitter comprising:
`
`a first analog low pass filter receiving audio output from said at least one
`
`audio source;
`
`a digital low pass filter;
`
`an analog—to-digital converter (ADC) operatively coupled between said
`
`first analog and digital low pass filters;
`
`a first encoder receiving output from said digital low pass filter and
`
`being configured to reduce intersymbol interference (181);
`
`a second channel encoder operatively coupled to said first encoder and
`
`adapted to reduce transmission errors;
`
`a digital modulator operatively coupled to said second channel encoder;
`
`and
`
`a differential phase shift key (DPSK) module receiving output from said
`
`digital modulator and being configured for direct sequence spread spectrum (DSSS)
`
`communication, said DPSK module transmitting a corresponding DSSS signal;
`
`at least one audio receiver configured for digital wireless communication with
`
`said at least one audio transmitter, said at least one audio receiver comprising:
`
`Page 23 of 46
`
`SONY EXHIBIT 1005 — 0523
`
`
`
`Application Serial No. 10/648,012
`Response to Office Action of October 2, 2006
`Attorney Docket No. W003—4000
`
`a band pass filter (BPF) configured to
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