Telecommunications – Transmitter and receiver at separate stations – Having diverse art device
Patent
1996-09-27
1998-04-07
Mullen, Thomas
Telecommunications
Transmitter and receiver at separate stations
Having diverse art device
3404071, 340539, 368250, H04B 700
Patent
active
057376921
ABSTRACT:
A system and method for providing a remote alert from a clock radio to a user at a predetermined time without disturbing others around him. The clock radio is preferably a superheterodyne receiver and includes an alert signal circuit for providing radio frequency alert signals at a predetermined alarm time and a radio frequency transceiver for receiving broadcast radio frequency signals and for transmitting radio frequency signals including the broadcast radio frequency signals and the radio frequency alert signals. A timing circuit in the clock radio includes a coincidence detecting circuit which detects the coincidence between the time of day and the predetermined alarm time, and causes the alert signal circuit to provide an alert signal to the radio frequency transceiver for transmission to a selected wireless remote alert device at the predetermined time. The selected wireless remote alert device receives radio frequency signals at the predetermined time, including the radio frequency alert signals, and processes such received radio frequency signals in a manner similar to the superheterodyning technique. The thus processed signal will then be provided to a transducer in the wireless remote alert device, which will in turn produce a tone or a small vibration, or reproduce the broadcast AM or FM signal. The wireless remote alert device is preferably inserted in the user's ear, awakening only the user.
REFERENCES:
patent: 2517368 (1950-08-01), Wiseley
patent: 3786628 (1974-01-01), Fossard et al.
patent: 4093944 (1978-06-01), Muncheryan
patent: 4821247 (1989-04-01), Grooms
patent: 4853674 (1989-08-01), Kiss
patent: 4920525 (1990-04-01), Meister
patent: 5168476 (1992-12-01), Ganter et al.
Miller Jerry A.
Mullen Thomas
Rode, Esq. Lise A.
Sony Corporation
Sony Electronics Inc.
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