Radio selective calling receiver

Details Radio selective calling receiver Radio selective calling receiver

1997-11-03

1999-09-21

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

34082527, 34082547, 455 382, 455 383, 455 384, 455343, H04Q 700

Patent

active

059559632

ABSTRACT:
Only information selected from messages transmitted to many persons, especially an unspecified number of persons on the reception side is received by setting the frequency of reception for each call number or each type of information on the reception side and determining the frequency of reception from transmitted messages, thereby reducing the power consumption of a receiver by eliminating an unnecessary operation performed by a reception circuit, and reducing the used capacity of a message memory in the receiver by eliminating unnecessary information stored in the memory. The radio selective calling receiver includes a means for setting a reception period for each call number or type of information, wherein a reception permission mode and a reception inhibition mode are switched for each call number or type of information by determining the call number or type of information from an incoming message following a call number, a timer circuit for counting the reception period, and a CPU for changing a battery saving control method of ON/OFF-controlling power supply to a reception circuit. A reception period is set by the switching operation of the receiver or determined in accordance with a signal from an external computer. With this operation, only selected messages are received and saved, thus power supply and message memory is conserved.

REFERENCES:
patent: 3488596 (1970-01-01), Webster et al.
patent: 4804954 (1989-02-01), Macnak et al.
patent: 4964121 (1990-10-01), Moore
patent: 5089813 (1992-02-01), DeLuca et al.
patent: 5434563 (1995-07-01), Kudoh
patent: 5448228 (1995-09-01), Wagai et al.
patent: 5535427 (1996-07-01), Miyashita et al.

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