Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Patent
1997-04-25
1998-10-06
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
455572, 455127, 455 8, 34082544, 34082569, H04B 116
Patent
active
058191704
ABSTRACT:
A power supply unit with a switch on/off facility for powering radio equipment is disclosed. The power supply unit includes an input portion having keys, a power generating circuit for generating power, and a switch connected to the power generating circuit for turning on and off the power to the radio equipment. The power supply unit further includes a disabling portion for disabling the on/off switch in response to operation of a predetermined one of the input portion keys.
REFERENCES:
patent: 4749991 (1988-06-01), Davis et al.
patent: 5212811 (1993-05-01), Kuge et al.
patent: 5212836 (1993-05-01), Matsushita
patent: 5404578 (1995-04-01), Kuge et al.
patent: 5555167 (1996-09-01), Fujihashi
Armstrong Darnell R.
Eisenzopf Reinhard J.
NEC Corporation
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