Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Patent
1990-03-28
1991-02-05
Olms, Douglas W.
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
455328, 455300, 455347, H04B 108
Patent
active
049912283
ABSTRACT:
A microwave converter comprises circuit components formed on the outer surfaces of a three-dimensional body. The inner surfaces of the body constitute a grounding surface. A local oscillator is disposed on one of the inner surfaces. The three-dimensional body may be an electrically conductive body having a hollow space in which the local oscillator is disposed.
REFERENCES:
patent: 3197703 (1965-07-01), Mongeon
patent: 4232401 (1980-11-01), Chang et al.
patent: 4461041 (1984-07-01), Dubrovolny
patent: 4547901 (1985-10-01), Shibata et al.
patent: 4641369 (1987-02-01), Grote et al.
patent: 4691376 (1987-09-01), Watanabe et al.
patent: 4742571 (1988-05-01), Letron
patent: 4777654 (1988-10-01), Conti
"New Ku-Band Low Noise Converter Directly Coupled with Helical Antenna" to Ohta et al.
"12-GHz Low-Noise Converters for World Wide Satellite-TV Reception Applications" to Shibata et al.
15th European Microwave Conference, Palais Des Congres, Paris, France, Sep. 9-13th, 1985.
Miyazaki Masao
Ohta Tomozo
Okamoto Naoki
Olms Douglas W.
Sharp Kabushiki Kaisha
Smith Ralph
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