Class 334/20 - Motor-operated

Subclass of Class 334 - Tuners
Definition: Subject matter wherein the electromagnetic operator is a
No. of patents: 3
Last issue date: 07/11/2000

Number	Title	Issue Date
6085605	Actuator for linear movement An actuator for creating linear movement is provided. The actuator includes a motor having a rotatable motor axle. As the rotatable motor axle rotates, it uses internal threads to transfer rotational motion to external threads of a movement axle. By trans...	07/11/2000
4511869	Radio circuit tuned by adjustably deforming an inductance coil A system and method for adjusting the frequency of operation of a radio frequency circuit including an inductive loop having an adjustable exposed inductor portion is provided. The frequency of operation of the circuit is first detected with means for det...	04/16/1985
4234960	Antenna automatic tuning apparatus Apparatus for automatically tuning a circuit to a radio frequency signal. The apparatus has a signal supply for supplying the radio frequency signal to the circuit. A frequency counter and variable impedance are also connected in the circuit. A motor chan...	11/18/1980

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