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1. JPWO2006018936 - FM検波回路

Office
Japan
Application Number 2006531326
Application Date 04.07.2005
Publication Number WO2006018936
Publication Date 23.02.2006
Grant Number 4623008
Grant Date 12.11.2010
Publication Kind B2
IPC
H03D 3/26
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
3Demodulation of angle-modulated oscillations
26by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
CPC
H03D 3/26
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
3Demodulation of angle-, ; frequency- or phase-; modulated oscillations
26by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
H03D 2200/0023
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
2200Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
0001Circuit elements of demodulators
0023Balun circuits
H03H 11/32
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
11Networks using active elements
02Multiple-port networks
32Balance-unbalance networks
H04L 27/148
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
10Frequency-modulated carrier systems, i.e. using frequency-shift keying
14Demodulator circuits; Receiver circuits
144with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
148using filters, including PLL-type filters
Applicants 株式会社村田製作所
Inventors 加藤 章
Agents 特許業務法人 楓国際特許事務所
小森 久夫
Priority Data 2004240379 20.08.2004 JP
Title
(JA) FM検波回路
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