Method for generating a data receiving clock of paging receiver

Details Method for generating a data receiving clock of paging receiver Method for generating a data receiving clock of paging receiver

1989-03-29

1991-08-20

Safourek, Benedict V.

Pulse or digital communications

Spread spectrum

Direct sequence

375114, 371 471, H04L 708

Patent

active

050420542

ABSTRACT:
A method for generating a clock for data receiving correctly synchronized in each bit even if received data in a paging receiver gets trembled or a duty period of the received data changes. Further, the method detects a duty change of receiving data by counting a period of a corresponding bit during a predetermined number of bits of receiving data. The clock generated is received with correct data in response to the duty change by detecting the duty change of the receiving data and by controlling the clock to a direction of short duty period upon the duty change of receiving data.

REFERENCES:
patent: 4453260 (1984-06-01), Inagawa et al.
patent: 4525840 (1985-06-01), Heinz et al.
patent: 4756010 (1988-07-01), Nelson et al.
patent: 4780892 (1988-10-01), Lagadec
patent: 4803703 (1989-02-01), DeLuca et al.
patent: 4849995 (1989-07-01), Takeo et al.
patent: 4910521 (1990-03-01), Mellon

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