Telecommunications – Receiver or analog modulated signal frequency converter – Cabinet – housing – or chassis structure
Patent
1996-04-30
1998-01-20
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Cabinet, housing, or chassis structure
4551761, 455301, 455338, 361314, 361316, 348839, H04B 106
Patent
active
057109990
ABSTRACT:
A radio frequency apparatus has a tuner unit which is disposed in a tuner unit housing, and a demodulation unit which is disposed in a demodulation unit housing easily attached or removed to the tuner unit housing by a connecting device provided on side walls of the tuner unit housing and the demodulation unit housing.
REFERENCES:
patent: 4325103 (1982-04-01), Ito et al.
patent: 4661998 (1987-04-01), Yamashita et al.
patent: 4689825 (1987-08-01), Geiger et al.
patent: 4691378 (1987-09-01), Kumamoto et al.
Lewis, L., "Make This Plug-Together 8-Tube A.C. Receiver", Jan. 1939, pp. 400-401 and 431.
Chiba Tomiyasu
Hizuka Nobuyoshi
Iwase Akio
Tanaka Kohei
Yasue Shiro
Eisenzopf Reinhard J.
Matsushita Electric - Industrial Co., Ltd.
To Doris
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