H03J 3/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9917344 Nonuniform corrugated diaphragm for MEMS tuners and actuatorsApr 14, 16Mar 13, 18PURDUE RESEARCH FOUNDATION
9893715 Adaptive self-tunable antenna system and methodDec 09, 13Feb 13, 18SHURE ACQUISITION HOLDINGS, INC.
9893716 Resonant circuit calibrationOct 13, 16Feb 13, 18TEXAS INSTRUMENTS INCORPORATED
8598969 PCB-based tuners for RF cavity filtersApr 15, 11Dec 03, 13ROCKWELL COLLINS, INC.
8081049 Band-pass filter device, method of manufacturing same, television tuner, and television receiverMar 13, 09Dec 20, 11SONY SEMICONDUCTOR SOLUTIONS CORPORATION
7852177 Double-tuning circuit of television tunerOct 24, 08Dec 14, 10ALPS ELECTRIC CO., LTD.
6466114 Resonator with variable resonance frequencyMar 09, 00Oct 15, 02OPTIS CELLULAR TECHNOLOGY, LLC
5231355 Locator transmitter having an automatically tuned antennaJun 18, 90Jul 27, 93The Charles Machine Works, Inc.
4408172 Variable speed tuning selectorOct 08, 81Oct 04, 83NEC CORPORATION