Class 334/51 - With vernier tuning means

Subclass of Class 334 - Tuners
Definition: Subject matter in which the tuner has means associated therewith
No. of patents: 23
Last issue date: 07/30/1985

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Number	Title	Issue Date
4532485	Fine adjusting mechanism for preset type tuner An improved fine adjusting mechanism for a preset type tuner, which is so arranged that, with a ring having cam portions being fitted under pressure onto a fine adjusting shaft of a tuner for simultaneous rotation with it and also for slippage with respec...	07/30/1985
4429291	Rotary pre-setting fine tuning device for a turret type television tuner The present television fine tuning is constructed so that an initial rotation establishes the fine tuning state and that a continued rotation of the fine tuning shaft performs the fine tuning. For this purpose the present tuner comprises a fine tuning dri...	01/31/1984
4347628	Rotary tuning mechanism A rotary tuning mechanism comprises an integral dielectric structure including a gear wheel with a first set of teeth extending from a first face surface and a second set of teeth extending radially from a circumferential surface, a shaft attached to the ...	08/31/1982
4311056	Pre-setting fine tuning device for a turret type television tuner The present television fine tuning is so constructed that an initial rotation establishes the fine tuning state and that a continued rotation of the fine tuning shaft performs the fine tuning. For this purpose the present tuner comprises a fine tuning dri...	01/19/1982
4300109	Turret type television tuner having an elastic and a rigid support disc A turret type television tuner comprises a chassis subassembly including a chassis base, an electrical wiring sub-assembly fixed on the chassis base, and a rotor assembly including a turret secured to a selector shaft within the chassis base. The turret i...	11/10/1981
4253074	Push pre-setting fine tuning device for turret type television tuners The present fine tuning device comprises a fine tuning shaft mounted concentrically around a main channel selecting shaft supported in a chassis base. A plate spring member is disposed on the chassis for thrust biasing the fine tuning shaft. A gear member...	02/24/1981
4200850	Combination VHF and UHF tuner arrangement A combination VHF and UHF tuner is provided in which a common station selector shaft may be rotated a number of revolutions to cover the seventy stations in the UHF band. The common selector shaft is provided with twenty-four detent positions per revoluti...	04/29/1980
4194155	Radio receiving device for automotive use A portion of the instrument panel which is adjacent to the steering wheel is protruded and in which portion a radio receiving device is fitted which includes station-number and frequency indicator means and control means for station selection and frequenc...	03/18/1980
4186360	Digital channel selecting apparatus A digital channel selecting apparatus for selecting a channel among a plurality of channels which are distributed in at least a relatively higher and lower frequency regions, wherein a plurality of capacitance elements are coupled in parallel, each consti...	01/29/1980
4175259	Construction of preset plate for VHF tuner Disclosed is a preset plate for a VHF tuner, having a first and a second rotary bodies which are unitarily mounted on a main shaft of the VHF tuner. The first rotary plate has a plurality of coils corresponding to respective channels to be selected and a ...	11/20/1979
4172390	Lever for memory fine tuning arrangements for turret type television tuner In a pivotally mounted member of the memory fine tuning arrangement for a turret type television tuner, a pivotally moved lever plate provided integrally with a pivotal shaft having head portion, neck portion and body portion, is pivotally mounted on a fr...	10/30/1979
4152682	Fine tuning mechanism in a tuner A tuner for use in a telecommunication receiver having a rotary drum carrying a plurality of oscillation coils and a fine tuning member for each coil supported for movement inside of the coil for fine tuning and having a geared head, and a main shaft on w...	05/01/1979
4138653	Solid state tuner control A television tuner arrangement is disclosed including a wide band signal selecting circuit having a solid state voltage variable capacitance selectively controllable in accordance with the level of applied voltage and a channel selector control for contro...	02/06/1979
4128821	Turret type television tuner The present turret type television tuner comprises a U-shaped chassis having first and second end walls joined by a side wall. A main channel selecting shaft is supported in said end walls. A toothed index wheel is mounted on the selector shaft adjacent t...	12/05/1978
4126051	Channel selector This invention relates to a channel selector suitable for use in a television receiver set. The channel selector comprises a channel selecting shaft which is linked to a variable capacitor shaft through an Oldham coupler. A fine tuning shaft also is linke...	11/21/1978
4123781	Television tuner with fine tuning means A television tuner including a fine tuning mechanism, said mechanism comprising a cam body provided to a sleeve rotatably disposed around the operating shaft, said cam body having a cam surface adapted to convert rotary motion to reciprocating motion, and...	10/31/1978
4043207	Frequency selector comprising a freewheel coupling A frequency selector comprising a first control member for frequency preselection changing and a second control member for changing the preselection frequency. The control members are coupled such that unintended changing of the preselection frequency by ...	08/23/1977
4041422	Fine tuning assembly for preset tuner A plurality of fine tuning elements are mounted on a disc which is rotatable by a selector shaft so that a selected tuning element is in a tuning position. Each tuning element comprises a screw with a gear mounted at the end thereof. A tuning shaft is rot...	08/09/1977
4027275	Controller for a varactor tuner A turret-type controller includes a base with a plurality of resistive strips mounted thereon, each of which is associated with a conductive contact movable with respect thereto. A pair of annular conductive strips are also situated on the base, but axial...	05/31/1977
4025882	UHF tuner having frequency setting fine toned by varying characteristic impedance of resonant line A radio frequency tuner for ultra-high frequency range provided with an improved fine tuning device in which a conductor plate member is movably disposed in the vicinity of a resonant line whose one end is connected to a variable capacity element for tuni...	05/24/1977
3972240	Detent UHF tuner with preset memory A detent type tuning mechanism for a UHF tuner having a continuously variable tuning shaft includes a detented selector shaft, a gear train interconnecting the tuning shaft and the selector shaft, and a memory type fine tuning mechanism including a rotata...	08/03/1976
3947787	Mechanical TV control unit A television tuner includes a rotatable turret and a plurality of coil forms positioned in the turret. There is a pair of tuning coils mounted on each coil form and an adjustable tuning screw extending outwardly from each end of each coil form. The housin...	03/30/1976
3944952	Fine tuning system having a limited user adjustable tuning range A limited tuning range tuning unit useable with a television tuner of the turret type includes a user tunable coil having a tuning slug extending from an end of the tuning unit. A pinion gear engageable by a drive train coupled to a user operated fine tun...	03/16/1976

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Class 334/51 - With vernier tuning means