Informing device for a radio receiver

Details Informing device for a radio receiver Informing device for a radio receiver

1996-12-05

1997-12-30

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082545, 34030915, 455 383, G08B 522

Patent

active

057035725

ABSTRACT:
When a switch for manually terminating an informing operation of a call informing device is not depressed during an informing operation, the informing operation is automatically halted after a first set time of a first timer. After a second period of time T, determined by a second timer, elapses from the start of the informing operation, the informing operation is repeated for the first set time of the first timer. After the second period of time T elapses from the start of the second informing operation, the informing operation is repeated. The informing operations are performed, halted and repeated until the user terminates the operation of the call informing device. During the period of time from the first informing operation to the depression of the switch, a counter and a timer setting circuit increment the second period of time (halt interval) to N.T corresponding to the increase in the number N times of the informing operation. Accordingly, the user of the receiver can be made aware of a call as quickly as possible by carrying out the informing operations with short halt intervals immediately after the call is received. On the other hand, if the switch is not depressed even after many informing operations, the life of the battery is prolonged by increasing the halt interval between informing operations in accordance with the number of informing operations performed.

REFERENCES:
patent: 3806665 (1974-04-01), Goldberg
patent: 4701759 (1987-10-01), Nadir et al.
patent: 4755816 (1988-07-01), De Luca
patent: 4872005 (1989-10-01), De Luca et al.
patent: 5012219 (1991-04-01), Henry
patent: 5153580 (1992-10-01), Pollack
patent: 5272475 (1993-12-01), Eaton et al.
patent: 5469133 (1995-11-01), Hensler et al.
Motorola Brochure, 1990, 6 pages.

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