Patent US4864550A successfully refreshed from Google Patents.
US4864550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control equipment for use with an audio system
Assignee: US Philips Corp
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Filing: 1988-06-28
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Granted: 1989-09-05
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Expires: 2008-06-28
Abstract
Abstract A remote control handset for use with an audio system in which the audio system includes a tuner, a compact disk player an amplifier, speakers, etc. The handset also includes a display for displaying the information contents of the control signals. A cassette recorder also incorporated in the handset produces an output signal which is modulated on a special carrier and transmitted over a signal path to an antenna coupled to the tuner of the audio system in order to reproduce the recorded signals.
Inventors
- 👤 Yoshikazu Kawanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:01
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/20; H04B1/202
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
145 words
A remove control arrangement for use with an audio system, said audio system at least having a tuner for receiving and detecting a modulated carrier representing an audio signal generated from said remote control arrangement, and audio reproduction transducing means for aurally reproducing said audio signal, said remote control arrangement comprising: remote control transmitter including selection means for selecting the function to be performed by said audio system and outputting a selection signal, transmitter reproduction means for reproducing and transmitting said audio signal from an audio storage means in response to said selection signal, control signal generator for generating and transmitting a control signal in response to said selection signal; and remote control receiver coupled to said audio system, for receiving said control signal and generating a command signal in response thereto, to control the operation of said tuner and said audio reproduction transducing means.
Claim 2
Dependent Claim
145 words
A remove control arrangement for use with an audio system, said audio system at least having a tuner for receiving and detecting a modulated carrier representing an audio signal generated from said remote control arrangement, and audio reproduction transducing means for aurally reproducing said audio signal, said remote control arrangement comprising: remote control transmitter including selection means for selecting the function to be performed by said audio system and outputting a selection signal, transmitter reproduction means for reproducing and transmitting said audio signal from an audio storage means in response to said selection signal, control signal generator for generating and transmitting a control signal in response to said selection signal; and remote control receiver coupled to said audio system, for receiving said control signal and generating a command signal in response thereto, to control the operation of said tuner and said audio reproduction transducing means.
Claim 3
Dependent Claim
24 words
The remote control arrangement in claim 1 wherein said control signal includes a component for tuning said tuner to the frequency of said carrier.
Claim 4
Dependent Claim
16 words
The remote control arrangement in claim 1 wherein said audio storage means is an audio tape.
Claim 5
Dependent Claim
21 words
The remove control arrangement in claim 1 wherein said selection means includes a keyboard for inputting through keys, the selected functions.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-09-04 | 1993-03-06 | 1993-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-04 | 1997-03-06 | 1997-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-04 | 2001-03-06 | 2001-09-05 | $7700.00 | Window Closed / Lapsed |