US4817203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control system
Assignee: Sony Corp
•
Filing: 1987-05-29
•
Granted: 1989-03-28
•
Expires: 2007-05-29
Abstract
Abstract An electronic appliance, which can facilitate operation of a commander for transmitting a remote control signal for the electronic appliance, includes a receiver for receiving a remote control signal from a commander, a plurality of input terminals for receiving video signals from external signal sources, a signal selection switch for selecting one of the signals received at the input terminals and a broadcast signal and for delivering the selected signal as an output video signal therefrom, a code converter operable in response to the condition of the signal selection switch for converting a signal received at the receiver into a code by which the pertaining signal source can be controlled, and an output terminal for supplying an output of the code converter therefrom to the pertaining signal source via a signal cable.
Inventors
- 👤 Takashi Tsurumoto
- 👤 Kunio Nagai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:48
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/20; H04B1/205
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
227 words
A television signal processing apparatus for remotely controlling a plurality of external signal source devices via a signal cable connected to said devices, and for producing a video output signal from a plurality of input video signals from said source devices, comprising: a source of a broadcast signal; a plurality of signal input terminals connected to said cable for receiving video signals from said external sources; a signal selection switch connected to said broadcast source and to said signal input terminals for selecting one of the signals received at said signal input terminal or said broadcast signal and for delivering the selected signal as an output video signal therefrom; a remote control signal receiver for receiving an infrared remote control signal from a remote control commander, said infrared remote control signal being independent of the condition of said switch; a code converter connected to said remote control signal receiver and connected to said switch and operable in response to a condition of said switch for converting the signal received at said remote control signal receiver into a code especially adapted to control the external device which is the source of the signal selected by said switch; and a remote control signal output terminal for supplying an output of said code converter to the external device which is the source of said selected signal via said signal cable.
Claim 2
Dependent Claim
227 words
A television signal processing apparatus for remotely controlling a plurality of external signal source devices via a signal cable connected to said devices, and for producing a video output signal from a plurality of input video signals from said source devices, comprising: a source of a broadcast signal; a plurality of signal input terminals connected to said cable for receiving video signals from said external sources; a signal selection switch connected to said broadcast source and to said signal input terminals for selecting one of the signals received at said signal input terminal or said broadcast signal and for delivering the selected signal as an output video signal therefrom; a remote control signal receiver for receiving an infrared remote control signal from a remote control commander, said infrared remote control signal being independent of the condition of said switch; a code converter connected to said remote control signal receiver and connected to said switch and operable in response to a condition of said switch for converting the signal received at said remote control signal receiver into a code especially adapted to control the external device which is the source of the signal selected by said switch; and a remote control signal output terminal for supplying an output of said code converter to the external device which is the source of said selected signal via said signal cable.
Claim 3
Dependent Claim
19 words
A television signal processing apparatus according to claim 1, wherein said television signal processing apparatus is a television set.
Claim 4
Dependent Claim
25 words
A television signal processing apparatus according to claim 1, wherein said television processing apparatus is a signal distributing adapter provided separately from a television set.
Claim 5
Dependent Claim
22 words
A television signal processing apparatus according to claim 3, wherein said broadcast signal comprises a tuner circuit for receiving a television broadcast.
References Cited (Backward Citations)
US4337480A
Cited
US4488179A
Cited
US4386436A
Cited
US4496947A
Cited
US4482947A
Cited
US4539711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-27 | 1992-09-26 | 1993-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-27 | 1996-09-26 | 1997-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-27 | 2000-09-26 | 2001-03-28 | $7700.00 | Window Closed / Lapsed |