Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Patent
1996-06-28
1998-07-07
Urban, Edward F.
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
455260, 370311, H04B 116
Patent
active
057783110
ABSTRACT:
An intermittent operation receiver comprises a receiving circuit 8 receiving one of plural intermittent receiving operation information and data transmitted from a base station and generating its demodulated signal 24, a PLL circuit 7 including a voltage-controlled oscillator 5 and generating two kinds of local signals 25 and 26 different 90.degree. in their phases which are sent to the receiving circuit 8 to process the input signal, and a data processing section 14 which receives the demodulated signal 24 from the receiving circuit 8, decodes the data to generate a first intermittent cycle generation timing signal 18 including a period corresponding to the cycle information of the intermittent receiving operation, and sends this first intermittent cycle generation timing signal 18 to receiving circuit 8 to control the power supply from its power source unit. Meanwhile, data processing section 14 selectively determines a pre-heat time t1, t2 or t3 in accordance with the designated intermittent operating cycle, generates a second intermittent cycle generation timing signal 19 involving the timing of the pre-heat time, and sends this second intermittent cycle generation timing signal 19 to the PLL circuit 7 to control the power supply from its power source unit.
REFERENCES:
patent: 4384361 (1983-05-01), Masaki
patent: 4777655 (1988-10-01), Numata et al.
patent: 5402446 (1995-03-01), Minami
patent: 5448774 (1995-09-01), Yokozaki et al.
patent: 5636243 (1997-06-01), Tanaka
Matsushita Electric - Industrial Co., Ltd.
Urban Edward F.
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