Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Patent
1985-12-11
1987-09-01
Ng, Jin F.
Telecommunications
Receiver or analog modulated signal frequency converter
Noise or interference elimination
455189, 455349, H04B 110, H04B 108
Patent
active
046913785
ABSTRACT:
A tuner for a television receiver is designed for minimal size and to have a series of external terminals placed along one side thereof. An electronic tuning section including several local oscillator circuits is located within a common shielding case and a phase locked loop channel selection circuit is also located within the case in an isolated compartment thereof. The channel selection circuit and the local oscillator circuits all lie along a straight line parallel to and adjacent one end of the case.
REFERENCES:
patent: 3643168 (1972-02-01), Manicki
patent: 3723882 (1973-03-01), Carlson
patent: 4569084 (1986-02-01), Takahama
Kumamoto Kenichiro
Matsuda Koichi
Ohya Koichi
Sato Akira
Eslinger Lewis H.
Ng Jin F.
Sinderbrand Alvin
Sony Corporation
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