United States Patent [191
`’ Geiger et a1.
`
`[75]
`
`[54] TELEVISION RECEIVER WITH REMOTE
`CONTROL SYSTEM CAPABLE OF
`CONTROLLING ASSOCIATED
`PERIPHERAL DEVICES MANUFACTURED
`BY DIFFERENT COMPANIES
`Inventors:
`Erich Geiger, Unterkirnach; Rolf
`Schiering, Hemmingen, both of Fed.
`Rep. of Germany
`Deutsche Thomson Brandt GmbH,
`Villingen-Schwenningen, Fed. Rep.
`of Germany
`‘
`[21]
`Appl. No.: 389,729
`[22] Filed: _
`Aug. 4, 1989
`[30]
`Foreign Application Priority Data
`Aug. 10, 1988 [DE] Fed. Rep. of Germany ..... .. 3827050
`
`[73] Assignee:
`
`[53]
`
`[51] Int. c1.5 ............................................. .. H04N 5/44
`[52] u.s.c1. .......................... .. 358/194.1;340/825.69;
`455/151; 455/353; 359/146
`Field of Search ................... .. 358/194.1; 455/151,
`455/352, 353,603; 340/825.69
`References Gted
`_ U.S. PATENT DOCUMENTS
`
`[56]
`
`4,334,242 6/1982 Mangold ........................ .. 358/1941
`4,519,003 5/1985 Scholz ....................... .. 358/335
`4,623,887 11/1986 -Welles, II
`358/1941
`4,626,848 12/1986 Ehlers ......... ..
`340/825.69
`4,774,511 9/1988 Rumbolt et al.
`340/825.69
`
`4,802,114 l/1989 Sogame . . . . . . . . .
`
`. . . . . .. 455/603
`
`358/1941
`4,807,052 2/1989 Amano ............ ..
`..... .. 455/603
`4,817,203 3/1989 Tsurumoto et a1. .
`4,965,557 10/1990 Shepers et a1. .................... .. 340/711
`
`FOREIGN PATENT DOCUMENTS
`
`0057914 8/1982 European Pat. Off. .
`0103707 3/1984 European Pat. Off. .
`2939589 4/1981 Fed. Rep. of Germany .
`3104843 8/1982 Fed. Rep. of Germany .
`3335082 4/1985 Fed. Rep. of Germany .
`3544183 6/1987 Fed. Rep. of Germany .
`0187978 8/1988 Japan .
`2155713 9/1985 United Kingdom .
`
`1
`
`lllllllllllllllllllllllllllll
`US005081534A
`5,081,534
`Patent Number:
`Date of Patent:
`Jan. 14,1992 '
`
`[11]
`[45]
`
`2197104 5/1988 United Kingdom .
`
`OTHER PUBLICATIONS
`“Design of Real-Time Computer Systems", J. Martin,
`copyright 1967, Prentis Hall, pp. 275—276.
`German Language Article, “From Remote Control to
`Learn Control”, H. Hafner, Funkschau, 17/1987, pp.
`20-27.
`Primary Examiner-Tommy P. Chin
`Attorney, Agent, or Firm-Joseph S. Tripoli; Peter M.
`Emanuel
`ABSTRACT
`[57]
`A control arrangement for a home entertainment unit,
`including a television‘ receiver and one or more periph
`eral devices, such as a video recorder, coupled to the
`television receiver, includes a single remote control
`transmitter for transmitting a remote control signal to _
`the television receiver, which, in turn, passes on control
`instructions to the peripheral devices. To allow such a
`remote control operation, even when one or more of the
`peripheral devices is produced by a manufacturer dif
`ferent than that of the television receiver and which
`therefore requires a different remote control code, the
`television receiver has a memory in which, under the
`control of a microprocessor, the remote control codes
`allocated to respective function control keys of the
`remote control transmitter supplied with a peripheral
`device are stored during a learning process. During the
`learning process, the screen of the television receiver
`displays messages for instructing the user which func
`tion control key of the remote control transmitter asso
`_ ciated with the peripheral device to press. Thereafter,
`when a device function control key of the remote con
`trol transmitter supplied with the television receiver is '
`pressed, the microprocessor, working in conjunction
`with the memory, converts or translates the codes con
`tained within the received remote control messages to
`codes corresponding to the peripheral device and a
`correspondingly encoded remote control signal is re
`layed by the television receiver to the peripheral de
`vice.
`
`9 Claims, 1 Drawing Sheet
`
`/
`6
`
`2\
`
`Q5.
`
`M
`U 000 0000 [:1 000
`
`LEARNING
`
`0000 E] 000
`4" [j 000
`
`Universal Remote Control Exhibit: 1003 Page 000001
`
`

`

`US. Patent
`
`Jan. 14, 1992
`
`5,081,534
`
`1\
`
`PLEASE PRESS
`"PLAY"
`
`C2
`C1
`M ,~-\7
`
`s
`
`6/
`
`O_O
`G
`
`'
`
`C1
`
`O O O
`O O O
`
`
`
`K °:° E] [I
`
`02
`
`LEARNING
`
`O O O
`O O O
`
`
`
`4h I] [1
`
`FIG. 1 ‘
`
`FIG. 2
`
`FUNCT1ON
`
`CODE FOR T
`
`CODE FOR G
`
`PLAY
`
`RECORD
`
`'STOP
`
`REWIND
`
`C11 ——> C21
`
`C12 —-> C22
`
`C13 —-> C23
`
`C14
`
`---—> 024
`
`FAST FORWARD
`
`C15
`
`—-'> C25
`
`Universal Remote Control Exhibit: 1003 Page 000002
`
`

`

`TELEVISION RECEIVER WITH REMOTE
`CONTROL SYSTEM CAPABLE OF
`CONTROLLING ASSOCIATED PERIPHERAL
`DEVICES MANUFACTURED BY DIFFERENT
`COMPANIES
`
`FIELD OF THE INVENTION
`The disclosed embodiment of the invention concerns
`an improvement to a remote control arrangement for a
`television system of the type in which a television re
`ceiver is coupled to associated peripheral devices by a
`wired or wireless control path. The receiver receives
`remote control signals for controlling the peripheral
`devices and in response supplies corresponding control
`signals to the peripheral devices through the control
`path. The peripheral devices may include, eg, one or
`more of a. video cassette recorder (VCR), video disk
`player (V DP) a compact disk (CD) player and a digital
`audio tape (DAT) player. Such a television system,
`utilizing infra-red radiation (IR) via the remote control
`channel of a peripheral device as the control channel, is
`disclosed in German Patent DE-OS 35 44 183, particu
`larly with respect to “programming” a VCR for auto
`matic future recording.
`
`20
`
`25
`
`35
`
`45
`
`BACKGROUND OF THE INVENTION
`So-called “uni?ed” remote control transmitters are
`known for controlling a television receiver and one or
`more peripheral devices associated with the television
`receiver. It is a prerequisite for such a “uni?ed” remote
`control ‘transmitter that the codes sent by the remote
`control transmitter for various functions of the periph
`eral devices correspond to the codes allocated to these
`functions in the devices. If the television receiver with
`its remote control transmitter and the peripheral de
`vices are produced by the same manufacturer, this will
`generally be the case. In this situation, the control codes
`for the various function for the various devices are
`known in advance by the manufacturer and may be
`stored during manufacture in the “unified” remote con
`trol transmitter.
`If, however, the television receiver and the periph
`eral devices are manufactured by different companies,
`the remote control codes of the television receiver and
`peripheral devices may not match.
`Of course, in this case, it is possible to use the individ
`ual remote control transmitters which may be provided
`with respective ones of the television receiver and pe
`ripheral devices This leads to an inconvenient clutter of
`50
`remote control transmitters.
`To solve this. problem, remote control transmitters
`capable of controlling a television receiver and associ
`ated peripheral devices which are produced by different
`manufacturers .and which therefore may not share a
`common code con?guration, have been devised.
`For example, so called “universal” remote control
`transmitters, in which the remote control codes for
`various functions .of various devices manufactured by
`different companies are stored in advance during manu
`facture, are known. Such a “universal” remote control
`transmitter is disclosed in U.S. Pat. No. 4,774,5 ll (Rum
`bolt et al.). This solution requires a large memory. More
`importantly, it does not readily allow for expansion (i.e.,
`adding new devices).
`So called “recon?gurable” remote contol transmit
`ters which are capable of learning the remote control
`codes for various functions of various devices manufac
`
`SUMMARY OF THE INVENTION
`The present invention is directed especially to, and ,
`takes special advantage, of television systems of the
`type described in German Patent DE-OS 35 44 183
`referred to above in which a television receiver is cou
`pled by a control path to the peripheral devices and
`serves as a receiving and relay station for the signals
`sent by its remote control transmitter and passes re
`ceived remote control signals on to the peripheral de
`vices.
`Specifically, according to the invention, the televi
`sion receiver performs a “learning” process in which it
`learns the previously unknown codes for various func
`tions of a peripheral device from the remote control
`transmitter supplied by the manufacturer of the periph
`eral device and stores them. The television receiver
`then “knows” which of the previously unknown remote
`control codes for various functions must be sent to the
`peripheral device. Accordingly, after the learning pro
`cess has been performed, when the remote control sig
`nal for a particular function of the peripheral device is
`received from a “unified” remote control transmitter
`supplied by the manufacturer of the television receiver,
`the television receiver automatically converts the code
`(which is not suitable for the peripheral device) of the
`received remote control signal into a new code, suitable
`for controlling the respective function of the peripheral
`device.
`Preferably, according to a feature of the invention,
`during the learning process, various functions of the
`peripheral device, such as, e.g., channel selection,
`“start”, “stop”, “rewind”, “fast foward”, and various
`programming operations, associated with a video re
`corder, are displayed on the screen of the television and
`the user is instructed to press the corresponding func
`tion keys of the remote control transmitter of the video
`recorder, one after the other. In response, the corre
`sponding remote control signals are then sent to the
`television receiver and, after decoding, the correspond
`ing codes are stored in such a way that they can be
`recalled when the respective keys of the “unified" re
`mote control supplied by the manufacturer of the televi
`sion receiver are pressed. The television receiver
`thereby serves as a receiving, translation and relay sta
`tion for the remote control signals sent by its remote
`control transmitter. The television receiver may pass
`the control signals on to the peripheral devices via
`wired or via wireless means, e.g., such as by an infra-red
`coupling.
`It is a prime advantage of the invention that the tele
`vision receiver and peripheral devices may be manufac
`tured by different companies and the remote control
`codes used by them for various functions may be very
`different. Accordingly, a component audio/video home
`entertainment unit comprising the television receiver
`and peripheral devices is no longer restricted by the
`
`1
`
`5,081,534
`
`2
`tured by different companies, are also known. Such .
`remote control transmitters are described in U.Sv Pat.
`No. 4,623,887 (Welles, II) and U.S. Pat. No. 4,802,114
`(Sogame). This type of remote control transmitter is a
`special purpose device which includes an infra-red (IR)
`transducer and associated processing circuitry for re
`ceiving IR remote control messages to be learned from
`various remote control transmitters, in addition to a
`conventional IR transducer and associated circuitry for
`transmitting IR remote control messages. ‘
`
`65
`
`Universal Remote Control Exhibit: 1003 Page 000003
`
`

`

`5,081,534
`
`3
`remote control codes conforming to the standard of a
`single manufacturer but can process various remote
`control codes of different manufacturers. Thus, the
`television receiver as well as the peripheral devices
`coupled to it can be controlled by the same remote
`control transmitter, i.e., different remote control trans
`mitters are no longer required for the television receiver
`and peripheral devices. After the “learning” process has
`been performed, only the remote control transmitter of
`the television receiver is needed and all the other re
`mote control transmitters supplied with the peripheral
`devices can be put away.
`i
`I
`It is another advantage of the invention that no alter
`ations are necessary for the remote control units, as the
`conversion between the different codes is performed in
`the television receiver itself. In addition, a special pur
`pose “reconfigurable” remote control transmitter is not
`needed.
`The invention is useful for all types of control instruc
`tions for the peripheral devices. For example, with
`respect to a video recorder, the functions which may be
`controlled include: “play”, “record”, “stop”, “rewind”,
`“fast foward”, “search", “start”, “time setting”, “chan
`nel selection”” and “programming”.
`
`5
`
`25
`
`4
`therefore, cannot be transmitted by it. This obstacle is _
`eliminated in the following way.
`During a learning mode of the remote control system,
`initiated, e.g., by pressing a respective key of the remote
`control transmitter 3, the user is instructed by messages
`displayed on the screen 6 of the television receiver 1 to
`point the remote control transmitter 4 at the television
`receiver 1 and to press the keys of the remote control
`transmitter 4 corresponding to the respective functions
`of the video recorder 2, one at a time. As each key is
`pressed, the remote control transmitter 4 transmits the
`corresponding coded remote control signal (C2) to the
`television receiver 1 (as indicated by remote control
`signal path labelled “learning”). The received remote
`control signal is decoded and the code C2 is stored in a
`as the valid code allocated to the respective function of
`the video recorder 2 in a memory 7 under the control of
`a microprocessor 8. This process is con?rmed by a
`respective messaged displayed on the screen 6 of televi
`sion receiver 1. For example, the message may read:
`“Code for function PLAY learned” or “PLAY-func
`tion for video recorder learned”. In this way, various
`codes 2 for respective functions of the video recorder 2
`corresponding to keys of the remote control transmitter
`3 associated with television receiver 1 are obtained and
`stored in the memory 7 in response to the instructions
`displayed on the sceeen 6, one after the other.
`The table shown in FIG. 2, represents the data stored
`in memory 7 relative to the remote control learning
`process described above. For each function, the respec
`tive codes associated with remote control transmitter 3
`supplied with the television receiver 1 by company T
`and remote control transmitter 4 supplied with the
`video recorder 4 by company G are indicated. The first
`number after the letter “C” indicates which one of the
`remote control transmitters 3 and 4 is the source (“1"
`for remote control‘ transmitter 3 and “2” for remote
`control transmitter 4); and the second number corre
`sponds to the respective function (e.g., “1” for PLAY).
`The remote control signals may be “learned“ and
`stored in the manner described in the aforementioned
`Welles, II and Sogame patents. In these patents, the
`remote control signals are stored in compressed form to
`save memory space.
`Once the “learning” process has been completed,
`when the key of remote control transmitter 3 for a
`particular function, e.g., “PLAY" is pressed, the appro
`priate code, e.g, the code C11 for PLAY (which is not
`valid for the video recorder 2) is automatically con
`verted in the television receiver 1 by the microproces
`sor 8 in conjunction with memory 7 into the code C21
`(which is valid for the video recorder 2). A correspond
`ingly coded remote control signal is formed and cou
`pled to the recorder 2 via the control path 5 and initiates
`the desired PLAY function there.
`In summary, for various controllable functions of the
`recorder 2, a conversion of the respective code C1 used
`by company T to the respective code C2 used company
`G is performed within television receiver 1. This trans
`lation, made possible by the learning process performed
`by the microprocessor 8, is indicated by the horizontal
`lines in FIG. 2. Speci?cally, according to FIG. 2, after
`the learning function has been performed, when the
`remote control transmitter 3 made by the company T
`transmits any of the remote control signals correspond
`ing to the codes C11 through C15, a remote control
`signal corresponding to the respective one of codes C21
`
`BRIEF DESCRIPTION OF THE DRAWING
`The invention is described by way of an example
`illustrated in an accompanying Drawing. in which:
`FIG. 1 shows, in block form, a remote control system
`for a home‘entertainment system, in which a television
`receiver is coupled to a video recorder as the peripheral
`device; and
`_
`FIG; 2 shows a table illustrating an aspect of the
`control operation of the remote control system shown
`in FIG. 1.
`DETAILED DESCRIPTION OF THE-DRAWING
`In FIG. 1, a television receiver 1 is coupled to video
`recorder 2 via a control path 5, to be described in
`greater detail below. Other peripheral devices (not
`shown) may also be coupled to television receiver 1 via
`control path 5. Audio and video signal paths between
`television receiver 1 and various peripheral devices
`have not been shown for the sake of simplicity.
`The television receiver 1 can be operated by a remote
`control transmitter 3 which sends out coded remote
`control signals indicated by C1.The video recorder 2
`can be operated by a remote control transmitter 4 which
`sends out coded remote control signals indicated by C2.
`The remote control transmitter 3 associated with televi
`sion receiver 1 is a “unified" remote control transmitter
`of the type referred to above which has keys for con
`trolling various functions of the television receiver 1
`and also various functions of one or more peripheral
`devices, such as the video recorder 4.
`Let it be assumed that the television receiver 1 is
`manufactured by a company T, whereas the video re
`corder 2 is manufactured by company G, and that the
`code formats for C1 and C2 do not match. In this
`situatioh, it is not possible to control the video recorder
`2 via the television receiver 1 by operating remote con
`trol transmitter 3 to transmit the coded remote control
`signal C1 used by the company T for the functions of a
`video recorder. Since the video recorder 2 requires
`different codes C2 used by company G to control of
`various functions of video recorder 2, the codes C2 are
`not stored in the remote control transmitter 3 and,
`
`45
`
`65
`
`Universal Remote Control Exhibit: 1003 Page 000004
`
`

`

`5
`.
`through C25 is relayed by the television receiver 1 to
`video recorder 2.
`In the same way, various other peripheral devices
`manufactured by different companies (e.g., a CD player
`manufactured by company H, an AM or FM receiver
`manufactured by company D, or a DAT player manu
`factured by company F) connected to the television
`receiver 1 can be controlled by the remote control
`transmitter 3, even when these devices require very
`different code formats for controlling their functions.
`Control path 5 can take various forms. As disclosed in
`German Patent DE-OS 35 44 183', referred to above,
`control path 5 may be wireless, by means of, e.g., an IR
`link, between'an IR transmitter in the television re
`ceiver 1 and the‘remote control receiver in the video
`recorder 2 (normally used in conjunction with the re
`mote control transmitter 4). If desired, the radiation
`may be coupled via a ?ber-optic cable. Alternatively,
`control path 5 may be wired. In this-case, an electrical
`signal corresponding to the remote control signal is
`coupled by the wire to a point within the remote con
`trol receiver system of the video recorder 2 at a point
`after the IR transducer which converts IR signals to
`electrical signals.
`While the present invention has been described, by
`way of example, with respect to a system in which a
`television receiver includes the memory and micro
`processor for converting or translating the codes, it will
`be appreciated that the converting apparatus may also
`be included in another device, such as a video recorder
`to which other peripheral devices, including a televi
`sion receiver, are coupled. In that case, the on-screen '
`messages for instructing the user during the learning
`process may be coupled to the television receiver for
`display. These and other modi?cations are contem
`plated to be within the scope of the invention de?ned by
`the following claims.
`We claim:
`1. In a system including a main video or audio signal
`processing device capable of generating and transmit
`ting ?rst function control signals having a ?rst code
`format to at least one peripheral video or audio signal
`processing device of a given type that may be coupled
`to said main device to control various functions of said
`peripheral device in response to remote control signals
`corresponding to said ?rst code format received from a
`remote control transmitter, apparatus included in said
`main device for allowing another peripheral video or
`audio signal processing device of said given type that
`also may be coupled to said main video or audio signal
`processing device but which responds to second func
`tion control signals having a second code format, differ
`ent from said ?rst code format, to be controlled by said
`remote control transmitter in response to said remote
`control signals corresponding to said ?rst code format,
`said apparatus comprising:
`memory means for storing said second function con
`trol signals corresponding to said second code for
`mat;
`converting means coupled to said memory means and
`operating in conjunction therewith for generating
`said second function control signals having said
`second code format in response to respective ones
`of said remote control signals corresponding to said
`?rst code format during a normal mode of opera
`tion; and
`coupling means for coupling said second function
`control signals to said other peripheral device from
`
`45
`
`65
`
`5,081,534
`
`25
`
`35
`
`6
`said main device during said normal mode of oper
`ation;
`said other peripheral device having associated with it
`another remote control transmitter for generating
`remote control signals allocated to various func
`tions of said other peripheral device and corre
`sponding to said second code format;
`said main device responding to said remote control
`signals corresponding to said second code format
`for storing said second function control signals in
`said memory means in a manner allocated to re
`spective ones of said remote control signals corre
`sponding to said ?rst code format during a learning
`mode of operation.
`2. The system de?ne in claim 1, wherein:
`said main device is a television receiver and said one
`and said other peripheral devices are video record'
`ers.
`3. The system de?ned in claim 1, wherein:
`said television receiver includes display means for
`displaying an image in response to a video signal
`during said normal mode of operation; and
`said display means displays messages for instructing a
`user to operate said remote control transmitter
`associated with said other peripheral device to
`allocate said ?rst function control signals to various
`functions of said other peripheral device during
`said learning mode of operation.
`_
`4. The system de?ned in claim 3, wherein:
`said instructions instruct the user to press function
`keys of said remote control transmitter of said
`other peripheral device to allocate said ?rst func
`tion control signals to various functions of said
`other peripheral device one after another during
`said learning mode of operation.
`5. The system de?ned in claim 3, wherein:
`said massages include lettered characters.
`6. The system de?ned in claim 3, wherein:
`said instructions instruct the user as to which function
`keys of said remote control transmitter of said
`other peripheral device to press to allocate said
`?rst function control signals to various functions of
`said other peripheral device during said learning
`mode.
`7. The system de?ned in claim 1, wherein:
`said main device generates remote control signals
`corresponding to said second code format in re
`sponse to remote control signals of said ?rst code
`format during said normal mode of operation; and
`said coupling means includes remote control trans
`mitter means for coupling said remote control sig
`nals corresponding to said second code format to
`said other peripheral device.
`8. In a system including a main video or audio signal
`processing device capable of generating and transmit
`ting ?rst function control signals having a ?rst code
`format to at least one peripheral video of audio signal
`processing device of a given type that may be coupled
`to said main device to control various functions of said
`peripheral device in response to remote control signals
`corresponding to said ?rst code format received from a
`remote control transmitter, apparatus included in said
`main device for allowing another peripheral video or
`audio signal processing device of said given type that
`also may be coupled to said main video or audio signal
`processing device but which responds to second func
`tion control signals having a second code format, differ
`ent from said ?rst code format, to be controlled by said
`
`Universal Remote Control Exhibit: 1003 Page 000005
`
`

`

`7
`remote control transmitter in response to said remote
`control signals corresponding to said ?rst code format,
`said apparatus comprising:
`memory means for storing said second function con
`trol signals corresponding to said second code for
`mat;
`converting means coupled to said memory means and
`operating in conjunction therewith for generating
`said second function control signals having said
`second code format in response to respective ones
`of said remote control signals corresponding to said
`?rst code format during a normal mode of opera
`tion; and ,
`coupling means for coupling said second function
`control signals to said other peripheral device from
`said main device during said normal mode of oper
`ation;
`'
`said other peripheral device having associated with it
`another remote control transmitter for generating
`remote control signals allocated to various func
`tions of said other peripheral device and corre
`sponding to said second code format;
`said main device responding to said remote control
`signals corresponding to said second code format
`for storing said second function control signals in
`said memory means in a manner allocated to re
`spective ones of said remote control signals corre
`sponding to said ?rst code format during a learning
`mode of operation;
`said main device further including display means for
`displaying an image in response to a video signal
`during said normal mode of operation;
`'
`-
`vsaid display means displaying messages for instruct
`ing a user to operate said remote control transmit
`ter associated with said other peripheral device to
`allocate said ?rst function control signals to various
`functions of said other peripheral device during
`said learning mode of operation;
`said instructions instructing the user as to which func
`tion keys of said remote control transmitter of said
`other peripheral device to press to allocate said
`?rst function control signals to various functions of
`said other peripheral device during said learning
`model
`9. In a system including a main video or audio signal
`processing device capable of generating and transmit
`ting ?rst function control signals having a ?rst code
`format to at least one peripheral video or audio signal
`processing device of a given type that may be coupled
`
`45
`
`5,081,534
`
`8
`to said main device to control various functions of said _
`peripheral device in response to remote control signal
`corresponding to said ?rst code format received fortn a
`remote control transmitter, apparatus included in said
`main device for allowing another peripheral video or
`audio signal processing device of said given type that
`also may be coupled to said main video or audio signal
`processing device but which responds to second func
`tion control signals having a second code format, differ
`ent from said ?rst code format, to be controlled by said
`remote control transmitter in response to said remote
`control signals corresponding to said ?rst code format,
`said apparatus comprising:
`memory means for storing said second function con
`trol signals corresponding to said second code for
`mat;
`converting means coupled to said memory means and
`operating in conjunction therewith for generating
`said second function control signals having said
`second code format in response to respective ones
`of said remote control signals corresponding to said
`?rst code format during a normal mode of opera
`tion; and
`'
`coupling means for coupling said second function
`control signals to said other peripheral device from
`said main device during said normal mode of oper
`ation;
`said other peripheral device having associated with it
`another remote control transmitter for generating
`remote control signals allocated to various func
`tions of said other peripheral device and corre
`- sponding to said second code format;
`said main device responding to said remote ‘control
`signals corresponding to said second code format
`for storing said second function control signals in
`said memory means in a manner allocated to re
`spective ones of said remote control signals corre
`sponding to said ?rst code format during a learning
`mode of operation;
`said main device generating remote control signals
`corresponding to said second code format in re
`sponse to remote control signals of said ?rst code
`format during said normal mode of operation;
`said coupling means including remote control trans
`mitter means for coupling said remote control sig
`nals corresponding to said second code format to
`said other peripheral device.
`* i
`i
`t 1
`
`55
`
`65
`
`Universal Remote Control Exhibit: 1003 Page 000006
`
`