Battery saving method for portable communications receivers

Communications: electrical – Continuously variable indicating – With meter reading

Patent

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Details

370106, H04Q 700, H04B 700

Patent

active

048049549

ABSTRACT:
A system transmitting synchronization signals and coded message signals is described. In particular, coded synchronization signals are used to indicate the transmission of coded message signals or the absence of transmission of coded message signals following the transmission of the coded synchronization signal, thereby providing a battery saving function for a personal communications receiver.

REFERENCES:
patent: 4509199 (1985-04-01), Ichihara
patent: 4577315 (1986-03-01), Otsuka
patent: 4644347 (1987-02-01), Lucas et al.
patent: 4713808 (1987-12-01), Gaskill et al.

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