throbber
- ;
`
`•••
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`•
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`Serial No. 08/449,097
`Docket No. 05634.0208
`
`PATENT
`IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`In re Application of:
`John C. Harvey and James W. Cuddihy:
`
`Group Art Unit:
`
`2737
`
`Serial No.:
`
`08/449,097
`
`Examiner:
`
`Faile, A.
`
`May 24, 1995
`Filed:
`For: SIGNAL PROCESSING APPARATUS
`AND METHODS
`
`Box: FEE AMENDMENT
`Commissioner for Patents and Trademarks
`Washington, D.C. 20231
`
`Attorney Docket:
`05634.0208
`Received
`APR 0 6 l999
`Group 2700
`
`SUPPLEMENTAL AMENDMENT UNDER 37 C.F.R. § 1.115
`
`Sir:
`
`Applicants herewith submit the following Supplemental Amendment.
`
`In the Claims:
`
`No Claims have been amended. Claims 56-108 have been added. Claims 2-108
`
`remain in the application. For the PTO' s convenience, claims that remain unchanged are
`
`included below in order to allow the Examiner to review all pending claims from this
`
`response in their numerical order.
`
`2.
`
`(Unchanged) A method of processing signals at a receiver station, said
`
`receiver station having a plurality of processors, said method comprising the steps of:
`
`receiving an information transmission containing a digital television signal and a
`
`message stream;
`
`detecting said message stream in said information transmission;
`
`selecting one message of said detected message stream;
`
`inputting at least a first portion of said selected one message to a control
`
`processor;
`
`1
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`selecting control information in said inputted first portion of said selected one
`
`message;
`
`selecting and outputting under the control of said control processor, other portions
`
`of said message stream to said plurality of processors., based on said control information;
`
`processing said selected other portions of said message stream simultaneously at
`
`said plurality of processors;
`
`controlling the timing of communicating television programming in accordance
`
`with said message stream; and
`
`storing information evidencing the availability, use or usage of said television
`
`programming or said message stream.
`
`3.
`
`(Unchanged) A method of processing signals at a receiver station, said
`
`receiver station having a plurality of processors, said plurality of processors including a
`
`first control processor which controls a remainder of said plurality of processors based on
`
`a message stream, said method comprising the steps of:
`
`receiving an information transmission containing a message stream
`
`at a transmission station;
`
`generating a control portion' of said message stream at said transmission
`
`station that is effective at a receiver station to cause said first control processor to select
`
`portions of said message stream that control said control processor and said remainder of
`
`said plurality of processors to perform different functions comprising (i) processing
`
`television programming and (ii) controlling the timing of communicating said television
`
`programming; and
`
`transmitting said message stream to be received at said receiver station.
`
`2
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`Serial No. 08/449,097
`Docket No. 05634.0208
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`4.
`
`(Unchanged) A method of processing signals in a network, comprising
`
`the steps of receiving an information transmission to be transmitted; receiving an instruct
`
`signal which is effective to one of:
`
`(a) effect a transmitter station to generate at least a first message that is effective
`
`to enable a receiver station to control the reception or presentation of television
`
`programming and meter or monitor the availability, use or usage of said television
`
`programming or said at least a first message; and
`
`(b) effect a first receiver station to generate at least a first message that is effective
`
`to enable a second receiver station to control the
`
`reception or presentation of television programming and meter or monitor the
`
`availability, use or usage of said television programming or said at least a first message;
`
`receiving a transmitter control signal which operates at one of said transmitter
`
`station and said first receiver station to communicate said at least a first message to a
`
`transmitter; and
`
`transmitting said information transmission, said instruct signal and said
`
`transmitter control signal.
`
`5.
`
`(Unchanged) The method of claim 2, further comprising the step of
`
`programming said control processor to execute a controlled function in response to said
`
`one message.
`
`6.
`
`(Unchanged) The method of claim 5, further comprising the step of
`
`programming said control processor to compare information stored in at least a first of
`
`said at least one register memory with control function invoking information.
`
`3
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`Serial No. 08/449,097
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`· · Docket No. 05634.0208
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`7.
`
`(Unchanged) The method of claim 6, further comprising the step of
`
`programming said control processor to compare information stored in at least a second of
`
`said at least one register memory with information that identifies a length or format of at
`
`least a portion of said one message.
`
`8.
`
`(Unchanged) The method of claim 2, wherein said at least one register
`
`memory includes an input signal register memory and said step of selecting control
`
`information in said inputted first portion of said selected one message and
`
`communicating said selected control information to a plurality of registers memories
`
`comprises:
`
`communicating said at least a first portion of said selected one message to said
`
`input signal memory;
`
`selecting information at said input signal memory to compare or communicate;
`
`and
`
`communicating said control information to at least a second of said at least one
`
`register memory.
`
`9.
`
`(Unchanged) The method of claim 8, further comprising the step of
`
`communicating at least one of said other portions of said message stream to said input
`
`signal register memory.
`
`10.
`
`(Unchanged) The method of claim 2, further comprising the step of
`
`controlling a switch to output at least one of said selected other portions of said message
`
`stream to a specific one of said plurality of processors.
`
`4
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`Serial No. 08/449,097
`Docket No. 05634.0208
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`11.
`
`(Unchanged) The method of claim 10, further comprising the step of
`
`controlling said switch to communicate said at least one of said selected other portions of
`
`said message stream from one of ( 1) said control processor and (2) a buffer that inputs to
`
`said control processor.
`
`12.
`
`(Unchanged) The method of claim 10, wherein said switch outputs said at
`
`least one of said selected other portions to said control processor.
`
`13.
`
`(Unchanged) The method of claim 10, wherein said switch outputs said at
`
`least one of said selected other portions to one of a signal processor and a central
`
`processor.
`
`14.
`
`(Unchanged) The method of claim 10, further comprising the step of
`
`programming said control processor to control said switch based on information
`
`contained in said message stream.
`
`15.
`
`(Unchanged) The method of claim 14, further comprising the steps of:
`
`programming said control processor with comparison inform information to serve
`
`as a basis for determining the length or format of said at least one segment of said
`
`message stream; and
`
`programming said control processor to compare information stored at said at least
`
`one register memory to said comparison information.
`
`16.
`
`(Unchanged) The method of claim 14, wherein said control processor and
`
`said switch are located on a single microchip.
`
`5
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`•••
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`Serial No. 08/449,097
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`17.
`
`(Unchanged) The method of claim 2, wherein said control processor
`
`receives said at least a first portion of said message from a first of said plurality of
`
`processors and controls outputting to a second of said plurality of processors.
`
`18.
`
`(Unchanged) The method of claim 17, wherein said first processor
`
`performs one of (1) converting information detected in said message stream based on
`
`protocols and (2) assembling processor code based on information detected in said
`
`message stream, said message further comprising the step of communicating machine
`
`language code to said second processor in said selected other portions of said message
`
`stream.
`
`19.
`
`(Unchanged) The method of claim 2, wherein a decryptor decrypts at
`
`least some of said message stream, said method further comprising the step of outputting
`
`one or more of said selected other portions of said message stream to said decryptor.
`
`20.
`
`(Unchanged) The method of claim 19, further comprising the steps of:
`
`selecting at least a portion of said message stream; and
`
`controlling said decryptor in accordance with said selected at least a portion of
`
`said message stream.
`
`21.
`
`(Unchanged) The method of claim 20, wherein said selected at least a
`
`portion of said message stream comprises a decryption key.
`
`22.
`
`(Unchanged) The method of claim 21, further comprising the step of
`
`decrypting at least some of said digital television signal in accordance with said
`
`decryption key.
`
`6
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`e Serial No. 08/449,097
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`23.
`
`(Unchanged) The method of claim 19, further comprising the steps of:
`
`storing a decrypted portion of said at least some of said message at some or all of
`
`said at least one register memory; and
`
`processing decrypted portions of said message stream simultaneously.
`
`24.
`
`(Unchanged) The method of claim 23, further comprising the step of
`
`decrypting processor code contained in said message stream.
`
`25.
`
`(Unchanged) The method of claim 2, wherein a standard informs said
`
`receiver station of a signal to be processed, said method further comprising the step of
`
`evaluating at least some of said selected one message based on said standard.
`
`26.
`
`(Unchanged) The method of claim 25, wherein further comprising the
`
`step of:
`
`storing at least a portion of said standard at one or more of a Standard Word and a
`
`Standard Length memory; and
`
`programming said receiver station to compare data received in said information
`
`transmission to information contained at said one or more of a Standard Word and a
`
`Standard Length memory.
`
`27.
`
`(Unchanged) The method of claim 25, wherein said receiver identifies,
`
`based on said standard, one of (1) an end of a prior message and (2) a header in said
`
`selected one message.
`
`7
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`Serial No. 08/449,097
`Docket No. 05634.0208
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`28.
`
`(Unchanged) The method of claim 25, further comprising the step of
`
`causing said control processor to process an interrupt signal based on said standard.
`
`29.
`
`(Unchanged) The method of claim 2, further comprising the step of
`\
`programming said receiver station to communicate a processor interrupt signal to at least
`
`one of said plurality of processors.
`
`30.
`
`(Unchanged) The method of claim 29, wherein two or more of said
`
`plurality of processors are adapted to communicate or respond to processor interrupt
`
`signals, said method further comprising the step of programming said receiver station to
`
`select at least one of said two or more processors to interrupt.
`
`31.
`
`(Unchanged) The method of claim 30, wherein said control processor
`
`selects said at least one of said two or more processors, said method further comprising
`
`the steps of:
`
`detecting a processor interrupt signal in said information transmission; and
`
`inputting said processor interrupt signal to said control processor.
`
`32.
`
`(Unchanged) The method of claim 2, wherein said receiver station
`
`includes a video monitor and a first of said plurality of processors generates a video
`
`signal to be displayed as part of said television programming, said method further
`
`comprising the step of outputting to said first processor a first of said selected other
`
`portions of said message stream which causes said first processor to communicate said
`
`video signal to said video monitor.
`
`8
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`•••
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`•
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`Serial No. 08/449,097
`Docket No. 05634.0208
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`33.
`
`(Unchanged) The method of claim 32, wherein said receiver station
`
`includes a speaker and a second of said plurality of processors generates an audio signal
`
`containing audio to be emitted as part of said television programming, said method
`
`further comprising the step of outputting to said second processor a second of said
`
`selected other portions of said message stream which causes which causes said second
`
`processor to communicate said audio signal to said speaker.
`
`34.
`
`(Unchanged) The method of claim 33, wherein said receiver station
`
`includes one or more of a tuner and a portion receiver and a third of said plurality of
`
`processors is adapted to control said one or more of a tuner and a portion receiver, said
`
`method further comprising the step of programming said third processor to control said
`
`one or more of a tuner and a portion receiver based on information contained in said
`
`selected other portions of said message stream.
`
`35.
`
`(Unchanged) The method of claim 2, wherein at least one of said selected
`
`other portions of said message stream contains first processor code that controls at least
`
`one of said plurality of processors to generate information content of one or more video
`
`or audio signals, said method further comprising the steps of:
`
`selecting second processor code contained in said selected one message; and
`
`communicating said first processor code in accordance with said second processor
`
`code.
`
`36.
`
`(Unchanged) The method of claim 35, wherein said second processor
`
`code programs said control processor to select control information in said message stream
`
`and communicate said selected control information to said at least one register memory,
`
`9
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`•••
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`It Serial No. 08/449,097
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`Docket No. 05634.0208
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`said method further comprising the step of processing control information of a new
`
`composition and/or length in accordance with said second processor code.
`
`37.
`
`(Unchanged) The method of claim 2, wherein a second receiver station
`
`includes a second plurality of processors, said method further comprising the steps of:
`
`receiving said information transmission at a signal generator operatively
`
`connected to a transmitter;
`
`generating (1) first cadence information which is effective at said receiver station
`
`to execute a predetermined instruction, and (2) at least one message element containing.
`
`one or more instructions to be directed to a specific one of said second plurality of
`
`processors; and
`
`embedding said cadence information and said at least one message element in said
`
`information transmission; and
`
`communicating said information transmission, said cadence information and said
`
`at least one message element to said transmitter.
`
`38.
`
`(Unchanged) The method of claim 37, wherein one of said second
`
`plurality of processors includes a plurality of register memories, said method further
`
`comprising the steps of:
`
`communicating to said signal generator second cadence information which
`
`operates at said plurality of register memories to select a portion of one message of said
`
`message stream.
`
`39.
`
`(Unchanged) The method of claim 37, wherein said signal generator
`
`embeds said generated message stream in said information transmission, said method
`
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`further comprising the step of communicating said television programming to said
`
`transmitter in said information transmission.
`
`40.
`
`(Unchanged) The method of claim 37, wherein said second receiver
`
`station includes one of a tuner and a portion receiver operatively connected to said second
`
`plurality of processors, said method further comprising the steps of:
`
`transmitting an instruction which operates at said receiver station to control said
`
`one of said tuner and said portion receiver to receive a signal containing at least some of
`
`said television programming; and
`
`transmitting said television programming.
`
`41.
`
`(Unchanged) The method of claim 3, further comprising the steps of:
`
`generating a first instruction specifying a control function to be executed;
`
`generating a second instruction specifying a data structure, length, or format;
`
`organizing said first and second instructions in a sequence, said sequence comprising a
`
`command; and
`
`communicating to a signal generator cadence information which operates at said
`
`receiver station to select a portion of one message of said message stream.
`
`42.
`
`(Unchanged) The method of claim 41, further comprising the steps of:
`
`processing data specifying a condition which must exist at said receiver station;
`
`and
`
`including said data specifying a condition in said command.
`
`43.
`
`(Unchanged) The method of claim 41, wherein said command operates at
`
`said receiver station to execute one or more instructions contained in an instruction set,
`
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`•••
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`Serial No. 08/449,097
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`said method further comprising the step of organizing said message stream to include
`
`said instruction set.
`
`44.
`
`(Unchanged) The method of claim 41, further comprising the step of
`
`transmitting operating instructions which enable said receiver station to execute said
`
`control function in response to said command.
`
`45.
`
`(Unchanged) The method of claim 41, wherein said command operates at
`
`said receiver station to present one or more receiver specific data at an output device, said
`
`receiver specific data generated in accordance with said instruction set, said method
`
`further comprising the step of transmitting one or more of ( 1) subscriber transaction data
`
`to be stored and processed at said receiver station and (2) meter-monitor data.
`
`46.
`
`(Unchanged) The method of claim 41, further comprising the step of
`
`transmitting a signal which operates at said receiver station to communicate a processor
`
`interrupt to at least a portion of said plurality of processors.
`
`47.
`
`(Unchanged) The method of claim 46, further comprising the step of
`
`transmitting an instruction which operates at said receiver station to control one of said
`
`plurality of processor to select a second processor to be interrupted.
`
`48.
`
`(Unchanged) The method of claim 3, further comprising the steps of:
`
`selecting at least some of said television programming at said transmission
`
`station;
`
`selecting meter-monitor data; and
`
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`•••
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`•
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`Serial No. 08/449,097
`Docket No. 05634.0208
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`organizing said message stream to include said selected at least some of said
`
`television programming and said selected meter-monitor data.
`
`49.
`
`(Unchanged) The method of claim 4, wherein said at least a first message
`
`contains first cadence information, a first execution segment, and an information
`
`segment, said information segment containing a first part of data and an instruction set,
`
`said method further comprising the steps of:
`
`generating one or more second messages, each of said second messages
`
`containing second cadence information and some other part of said data and an
`
`instruction set;
`
`organizing said first and second messages in a sequence, said sequence
`
`comprising a message stream; and transmitting said message stream.
`
`50.
`
`(Unchanged) A method of claim 4, wherein said at least a first message
`
`contains multiple elements of fixed length, said first message including an information
`
`segment containing an instruction set, said method further comprising the steps of:
`
`generating a second message containing multiple elements of fixed length, said
`
`multiple elements comprising a command;
`
`firstly embedding said first message into an information transmission;
`
`subsequently embedding said second message into said information transmission,
`
`said first message firstly and said second message subsequently in said information
`
`transmission comprising A message stream; and
`
`transmitting said information transmission.
`
`51.
`
`(Unchanged) The method of claim 4. wherein at least one receiver station
`
`includes a plurality of processors, said method further comprising the steps of:
`
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`selecting code to be directed to said plurality of processors;
`
`generating one or more first elements or fields to identify a structure of said at
`
`least a first message;
`
`generating one or more second elements or fields to identify one or more
`
`processor instructions in said at least a first message;
`
`generating one or more third elements or fields to identify a data format in said at
`
`least a first message; and
`
`organizing said selected code in a sequence with a plurality of message
`
`components, said sequence including said generated first, second, and third elements or
`
`fields, said selected code organized in said sequence with said plurality of message
`
`components and said generated first, second, and third elements or fields comprising said
`
`at least a first message.
`
`52.
`
`(Unchanged) The method of claim 4, further comprising the steps of:
`
`generating a first instruction specifying a control function to be executed;
`
`generating a second instruction specifying a data structure, length, or format;
`
`processing data specifying a condition, said data in said structure, length, or
`
`format specified by said second instruction;
`
`organizing said first and second instructions and said processed data in a
`
`sequence, said sequence comprising a command;
`
`transmitting said at least a first message and said command.
`
`53.
`
`(Unchanged) The method of claim 4, further comprising the steps of:
`
`receiving said information transmission at a signal generator operatively
`
`connected to said transmitter;
`
`generating one or more second messages, said one or more second messages
`
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`411 Serial No. 08/449,097
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`· Docket No. 05634.0208
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`containing multiple elements of fixed and variable length, said one or more second
`
`messages including (1) cadence information which is effective at one or more receiver
`
`stations to execute a predetermined instruction and (2) at least one variable length
`
`element containing one or more instructions to be directed to a processor;
`
`embedding said second message into said first information transmission in a
`
`sequence with said first message, said first message and said second message in said first
`
`information transmission in said sequence comprising a message stream; and
`
`transmitting said information transmission and said message stream.
`
`54.
`
`(Unchanged) The method of claim 53, further comprising the step of
`
`transmitting at least some of said television programming.
`
`55.
`
`(Unchanged) The method of claim 4, wherein at least one receiver station
`
`includes a plurality of processors, said method further comprising the steps of:
`
`generating at least one fixed length message element containing specific cadence
`
`information which operates at said at least one receiver station to execute one or more
`
`preprogrammed operating instructions;
`
`generating a plurality of variable length message elements, each variable length
`
`element containing at least one instruction and having one of ( 1) an internal length token,
`
`and (2) an associated signal designating a file, said plurality of variable length message
`
`elements containing instructions directed to different ones of said plurality of processors;
`
`organizing said generated at least one fixed length message element and said
`
`generated plurality of variable length message elements in a sequence, said at least one
`
`fixed length message element and said generated plurality of variable length message
`
`elements in said sequence comprising at least a portion of a message stream; and
`
`transmitting said message stream.
`
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`Docket No. 05634.0208
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`Please add the following new claims.
`
`(New Claim) A method of processing signals in a television receiver, said
`
`eceiver having a plurality of processors, said method comprising the steps of:
`
`recet ing an information transmission containing digital television signals and a
`
`id message stream in said information transmission;
`
`inputting at 1 st a first portion of said message stream to a control processor;
`
`selecting control · nformation in said at least a first portion of said message stream
`
`and communicating said se cted control information to at least one register memory;
`
`comparing stored func · n invoking data to the contents of said at least one
`
`register memory;
`
`inputting said digital televisio signals to said plurality of processors on the basis
`
`of one or more matches;
`
`processing of said digital television ignals simultaneously at two or more of said
`
`plurality of processors; and
`
`displaying television programming contai d in said digital television signals.
`
`57.
`
`(New Claim) A method of television or
`
`· deo signal processing at a
`
`television or video receiver, said television or video receive
`
`processors, comprising the steps of:
`
`(1) receiving an information transmission, said informatio
`
`containing a message stream;
`
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`4l Serial No. 08/449,097
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`Docket No. 05634.0208
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`) receiving a control signal which operates at a transmitter station to
`
`communic e said information transmission to a transmitter; and
`
`(3) tra mitting said message stream, said message stream enabling said receiver
`
`station to select ntrol information in said message stream, compare said control
`
`information to a sto d function invoking datum, and display television programming or
`
`video information cont ·ned in selected digital television or digital video signals on the
`
`basis of said comparison o said control information to said stored function invoking
`
`datum.
`
`58.
`
`(New Claim) A me od of television or video signal processing at a
`
`television or video receiver, said telev1 'on or video receiver having a plurality of
`
`processors, comprising the steps of:
`
`(1) receiving an information transmis ·on containing a message stream; and
`
`(2) causing said message stream to be co
`
`unicated to a transmitter at a specific
`
`time, thereby to transmit said message stream, said
`
`station to select control information in said message stre
`
`, compare said control
`
`information to a stored function invoking datum, and displa elevision programming or
`
`video information contained in selected digital television or dig1 I video signals on the
`
`basis of said comparison of said control information to said stored
`
`datum.
`
`59.
`
`(New Claim) The method of claim 56, wherein said information
`
`transmission is processed using forward error correction techniques.
`
`17
`
`VIZIO, Inc. Exhibit 1019
`17 of 31
`
`

`
`•••
`
`e Serial No. 08/449,097
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`Docket No. 05634.0208
`
`60.
`
`(New Claim) The method of claim 56, further comprising the step of
`
`programming said control processor to execute a controlled function in response to said
`
`message stream.
`
`61.
`
`(New Claim) The method of claim 56, further comprising the step of
`
`programming said control processor to compare information stored at said at least one
`
`register memory to said stored function invoking data.
`
`62.
`
`(New Claim) The method of claim 56, further comprising the step of
`
`programming said control processor to compare information stored at said at least one
`
`register memory with information that specifies a composition of said message stream.
`
`63.
`
`(New Claim) The method of claim 56, wherein said step of selecting
`
`control information in said at least a first portion of said message stream and
`
`communicating said selected control information to at least one register memory
`
`includes: communicating said control information to a first part of said at least one
`
`register memory; and communicating said control information to a second part of said at
`
`least one register memory.
`
`64.
`
`(New Claim) The method of claim 56, further comprising the step of
`
`controlling a digital switch on the basis of said one or more matches.
`
`(New Claim) The method of claim 56, wherein said digital switch
`
`ast some of said digital television signals to said plurality of
`
`rther comprising the step of communicating said at least some
`
`18
`
`VIZIO, Inc. Exhibit 1019
`18 of 31
`
`

`
`•••
`
`e Serial No. 08/449,097
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`Docket No. 05634.0208
`
`of s · message stream from said at least one register memory to one of said digital
`
`of said plurality of processors.
`
`66.
`
`(New Claim) The method of claim 56, wherein said control processor
`
`receives said at least a first portion of said message stream from a first of said plurality of
`
`processors, said method further comprising the step of communicating at least a second
`
`portion of said message stream to a second of said plurality of processors.
`
`(New Claim) A method of processing signals at a receiver station, said
`
`receiver sta ·on having a video monitor and a plurality of processors, said method
`
`information transmission containing digital video signals and control
`
`information;
`
`rol information in said information transmission and passing
`
`said control information to a: ontrol processor;
`
`communicating said co ol information selectively to at least one register
`
`memory;
`
`comparing stored function inv
`
`ing data to the contents of said at least one
`
`register memory; communicating said di 'tal video signals to at least one of said plurality
`
`of processors on the basis of one or more rna hes;
`
`processing said digital video signals sim
`
`taneously at two or more of said
`
`plurality of processors; and displaying video contai ed in said digital video signals.
`
`68.
`
`(New Claim) The method of claim 67, wherein said video includes
`
`television programming.
`
`19
`
`VIZIO, Inc. Exhibit 1019
`19 of 31
`
`

`
`4l Serial No. 08/449,097
`
`Docket No. 05634.0208
`
`69.
`
`(New Claim) The method of claim 67, wherein said control information is
`
`detected in a message stream, said method further comprising the step of communicating
`
`at least some of said message stream from a first of said plurality of processors.
`
`70.
`
`(New Claim) The method of claim 67, wherein said control processor
`
`receives said control information from a first of said plurality of processors, said method
`
`further comprising the step of communicating said control information to a second of said
`
`plurality of processors.
`
`71.
`
`(New Claim) The method of claim 70, wherein said first processor
`
`performs one of (1) converting information detected in said message stream based on
`
`protocols and (2) assembling processor code based on data detected in at least a first
`
`portion of said information transmission, said message further comprising the step of
`
`communicating machine language code to said second processor based on data detected
`
`in at least a second portion of said information transmission.
`
`(New Claim) A method of processing signals in a television receiver, said
`
`·ver having a plurality of processors, said method comprising the steps of:
`
`ation transmission containing digital television signals and cadence
`
`information; detectin and passing said cadence information to a control processor;
`
`communicating said cade ce information selectively to at least one register memory;
`
`unication control information to the contents of said at
`
`least one register memory;
`
`communicating said digital te vision signals to said plurality of processors on the
`
`basis of one or more matches;
`
`20
`
`VIZIO, Inc. Exhibit 1019
`20 of 31
`
`

`
`e Serial No. 08/449,097
`
`Docket No. 05634.0208
`
`cessing said digital television signals simultaneously at two or more of said
`
`television programming contained in said digital television signals.
`
`73.
`
`(New Claim) The method of claim 72, wherein said control processor
`
`controls a decryptor to decrypt at least some of digital television signals, said method
`
`further comprising the step of controlling a digital switch to communicate said at least
`
`some of said digital television signals to or from said decryptor in accordance with said
`
`cadence information.
`
`74.
`
`(New Claim) The method of claim 73, wherein said cadence information
`
`is unencrypted.
`
`75.
`
`(New Claim) The method of claim 73, wherein said cadence information
`
`is detected in a message stream, said method further comprising the steps of:
`
`storing a decrypted

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