Wave transmission lines and networks – Resonators – Cavity resonator
Patent
1992-01-27
1993-09-07
Lee, Benny T.
Wave transmission lines and networks
Resonators
Cavity resonator
315 554, H01P 706
Patent
active
052433102
ABSTRACT:
Three lead screws are provided for adjusting the position of a traversing plate. Each of the three lead screws is threaded through a collar that is press fitted through the center of one of three pinion gears. A sun gear meshes with all three pinion gears and transversely moves the three lead screws upon actuation of a drive gear. The drive gear meshes with the sun gear and is driven by a handle or servo motor. When the handle or servo motor rotates the drive gear, the sun gear rotates causing the three pinion gears to rotate, thus causing transverse movement of the three lead screws and, accordingly, transverse movement of the transversing plate. When the drive gear rotates, the traversing plate is driven in and out of a microwave cavity. Thus, the length or size of the cavity can be tuned while maintaining the traversing plate in an exact parallel relationship with an opposing plate on another end of the cavity.
REFERENCES:
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patent: 2405229 (1946-08-01), Mueller et al.
patent: 2833926 (1958-05-01), Silvey et al.
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patent: 2905011 (1959-09-01), Armstrong et al.
patent: 2930928 (1960-03-01), Lebacqz
patent: 3264513 (1966-08-01), Bagnall
patent: 3441794 (1969-04-01), Chun
patent: 4243961 (1981-01-01), Faillon et al.
patent: 4792772 (1988-12-01), Asmussen
Lee Benny T.
Mackin James A.
Miller Guy M.
Shook Gene E.
The United States of America as represented by the Administrator
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