VARIABLE CAPACITANCE CIRCUIT, VARIABLE CAPACITANCE DEVICE, RESONANCE CIRCUIT, AMPLIFICATION CIRCUIT AND ELECTRONIC APPARATUS
PROBLEM TO BE SOLVED: To provide a variable capacitance circuit that effectively optimizes transmission efficiency of an antenna by setting a capacitance value by DC voltages applied to variable capacitance capacitors.SOLUTION: A variable capacitance circuit 1 includes: a series variable capacitance...
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| creator | KANNO MASAKI |
| description | PROBLEM TO BE SOLVED: To provide a variable capacitance circuit that effectively optimizes transmission efficiency of an antenna by setting a capacitance value by DC voltages applied to variable capacitance capacitors.SOLUTION: A variable capacitance circuit 1 includes: a series variable capacitance element 2 comprising two variable capacitance capacitors (CS1, CS2) 2a, 2b connected in series; and a parallel variable capacitance element 4 connected in series with the series variable capacitance element 2. The parallel variable capacitance element 4 comprises two variable capacitance capacitors (CP1, CP2) 4a, 4b connected in series, and a variable capacitance capacitor (CP3) 6 connected in parallel therewith. The variable capacitance circuit 1 includes three DC terminals 7a, 7b, 7c. |
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The parallel variable capacitance element 4 comprises two variable capacitance capacitors (CP1, CP2) 4a, 4b connected in series, and a variable capacitance capacitor (CP3) 6 connected in parallel therewith. 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The parallel variable capacitance element 4 comprises two variable capacitance capacitors (CP1, CP2) 4a, 4b connected in series, and a variable capacitance capacitor (CP3) 6 connected in parallel therewith. The variable capacitance circuit 1 includes three DC terminals 7a, 7b, 7c.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>CAPACITORS</subject><subject>CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS</subject><subject>RESONATORS</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNijELwjAQRrM4iPofDucK1lpxPa9XPIlJSNOupUicRAt19MfroIPg4PQ-3vfG6tGgF9xpBkKHJAENvbZ4qiUk8PMtuBHiBDxX1nz3eHRaSiEMYs1HA5oCWDMFb40QoHPoMdTVVI3O3WWIszcnal5yoP0i9rc2Dn13itd4bw9utUzX6SbPtxlmf0VPs5g7OA</recordid><startdate>20140908</startdate><enddate>20140908</enddate><creator>KANNO MASAKI</creator><scope>EVB</scope></search><sort><creationdate>20140908</creationdate><title>VARIABLE CAPACITANCE CIRCUIT, VARIABLE CAPACITANCE DEVICE, RESONANCE CIRCUIT, AMPLIFICATION CIRCUIT AND ELECTRONIC APPARATUS</title><author>KANNO MASAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014165583A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>CAPACITORS</topic><topic>CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS</topic><topic>RESONATORS</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>KANNO MASAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KANNO MASAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VARIABLE CAPACITANCE CIRCUIT, VARIABLE CAPACITANCE DEVICE, RESONANCE CIRCUIT, AMPLIFICATION CIRCUIT AND ELECTRONIC APPARATUS</title><date>2014-09-08</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide a variable capacitance circuit that effectively optimizes transmission efficiency of an antenna by setting a capacitance value by DC voltages applied to variable capacitance capacitors.SOLUTION: A variable capacitance circuit 1 includes: a series variable capacitance element 2 comprising two variable capacitance capacitors (CS1, CS2) 2a, 2b connected in series; and a parallel variable capacitance element 4 connected in series with the series variable capacitance element 2. The parallel variable capacitance element 4 comprises two variable capacitance capacitors (CP1, CP2) 4a, 4b connected in series, and a variable capacitance capacitor (CP3) 6 connected in parallel therewith. The variable capacitance circuit 1 includes three DC terminals 7a, 7b, 7c.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS TRANSMISSION |
| title | VARIABLE CAPACITANCE CIRCUIT, VARIABLE CAPACITANCE DEVICE, RESONANCE CIRCUIT, AMPLIFICATION CIRCUIT AND ELECTRONIC APPARATUS |
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