H04B1/00- Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00 Details of transmission systems not characterised by the medium used for transmission.by varying permeability by discharge tube or semiconductor device simulating variable reactance H03J3/18- Tuning without displacement of reactive element, e.g.H03J3/16- Tuning without displacement of reactive element, e.g.H03J- TUNING RESONANT CIRCUITS SELECTING RESONANT CIRCUITS.238000004519 manufacturing process Methods 0.000 description 1.239000002131 composite material Substances 0.000 description 1.230000005540 biological transmission Effects 0.000 abstract description 2.238000005859 coupling reaction Methods 0.000 claims abstract description 49.238000010168 coupling process Methods 0.000 claims abstract description 49.230000001808 coupling Effects 0.000 claims abstract description 49.239000003990 capacitor Substances 0.000 claims abstract description 67.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from JP53-30697 external-priority Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd Application granted granted Critical Publication of US4204166A publication Critical patent/US4204166A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Sanyo Electric Co Ltd Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/020,846 Inventor Itiro Araki Current Assignee (The listed assignees may be inaccurate. ![]() Google Patents Very high frequency tunerÄownload PDF Info Publication number US4204166A US4204166A US06/020,846 US2084679A US4204166A US 4204166 A US4204166 A US 4204166A US 2084679 A US2084679 A US 2084679A US 4204166 A US4204166 A US 4204166A Authority US United States Prior art keywords high frequency inductance coil capacitor controlled variable coupled Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4204166A - Very high frequency tuner
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