Invention Grant
- Patent Title: Frequency converter, especially CATV converter
- Patent Title (中): 变频器，特别是CATV转换器
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Application No.: US614834Application Date: 1984-05-29
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Publication No.: US4569084APublication Date: 1986-02-04
- Inventor: Masaaki Takahama
- Applicant: Masaaki Takahama
- Applicant Address: JPX Otsu
- Assignee: NEC Kansai, Ltd.
- Current Assignee: NEC Kansai, Ltd.
- Current Assignee Address: JPX Otsu
- Priority: JPX58-91288[U] 19830614; JPX58-91289[U]JPX 19830614
- Main IPC: H03B1/00
- IPC: H03B1/00 ; H03B5/12 ; H03D7/02 ; H03D7/12 ; H03D7/14 ; H03D7/16 ; H04B1/26
Abstract:
A CATV converter of a dual frequency conversion type is constructed in a chassis divided into compartments for accommodating respective stages between the input and output terminals. The primary and secondary local oscillators are disposed apart with other compartments interposed therebetween thereby to enhance the input to output isolation.
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