Pager receiver capable of controlling an internal state by a cal

Details Pager receiver capable of controlling an internal state by a cal Pager receiver capable of controlling an internal state by a cal

1988-06-09

1989-06-13

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

34082548, H04Q 100

Patent

active

048396419

ABSTRACT:
In a pager receiver operable in response to a call signal comprising a first part including a call number signal, a second part including a message signal, and an intermediate part placed between the first and second parts, the intermediate part conveys a time interval signal representative of a length of a message carried by the message signal. When the call number signal is destined to the pager receiver, a receiving circuit is put into an operating mode during the length of the message. Otherwise, the receiving circuit is kept in a nonoperating mode during the length of the message. The time interval signal is therefore detected even when the call number signal is not destined to the pager receiver. The intermediate part may comprise a message control signal defining message control operations of the pager receiver and a time signal for specifying a transmission time instant of the message signal. A wide variety of the message control operations can be designated by the messagew control signal.

REFERENCES:
patent: 4039757 (1977-08-01), Frisone
patent: 4126764 (1978-11-01), Downey et al.
patent: 4353065 (1982-10-01), Mori
patent: 4369443 (1983-01-01), Giallanza et al.
patent: 4383257 (1983-05-01), Giallanza et al.
patent: 4410889 (1983-10-01), Bryant et al.

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