Invention Grant
- Patent Title: Signal generation circuit, frequency measurement device including the signal generation circuit, and signal generation method
- Patent Title (中): 信号发生电路，包括信号发生电路的频率测量装置和信号产生方法
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Application No.: US12889770Application Date: 2010-09-24
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Publication No.: US08593131B2Publication Date: 2013-11-26
- Inventor: Masayoshi Todorokihara
- Applicant: Masayoshi Todorokihara
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2009-234514 20091008
- Main IPC: G01R23/00
- IPC: G01R23/00
Abstract:
A signal generation circuit includes: a first signal source that generates a first signal; and a variable rate frequency divider section that generates a variable rate frequency-divided signal in which a first frequency-divided signal obtained by frequency-dividing the first signal by a first frequency dividing ratio and a second frequency-divided signal obtained by frequency-dividing the first signal by a second frequency dividing ratio temporally alternately appear in a specified mixing ratio.
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