Invention Grant
US08315586B2 Signal receiving device and signal receiving method using same, and signal supplying unit and signal supplying method using same
有权
信号接收装置及使用该信号的信号接收方法，信号供给部和使用该信号的信号供给方法
- Patent Title: Signal receiving device and signal receiving method using same, and signal supplying unit and signal supplying method using same
- Patent Title (中): 信号接收装置及使用该信号的信号接收方法，信号供给部和使用该信号的信号供给方法
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Application No.: US13058663Application Date: 2009-09-08
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Publication No.: US08315586B2Publication Date: 2012-11-20
- Inventor: Yuuichi Aoki
- Applicant: Yuuichi Aoki
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Priority: JP2008-230195 20080908
- International Application: PCT/JP2009/065693 WO 20090908
- International Announcement: WO2010/027092 WO 20100311
- Main IPC: H04B1/26
- IPC: H04B1/26
Abstract:
A signal receiving device is provided which can prevent the imbalance occurring between in-phase and quadrature signals. A polarity of a local oscillator output signal to be outputted from a local oscillator 13 is switched by a polarity switching unit 14 in a time division way. Each of signals outputted from the polarity switching unit 14 is frequency divided by a frequency divider 16. The frequency-divided local oscillation signal is supplied to a mixer 34. Frequency conversion of a receiving signal is performed by the mixer 34 which receives the signal and local oscillation signal to demodulate received data.
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