Class 342/356 - Synchronous satellite

Subclass of Class 342 - Communications: directive radio wave systems and devices (e.g., radar, radio navigation)
Definition: Subject matter wherein the satellite speed in orbit is matched
No. of patents: 123
Last issue date: 01/31/2012

Number	Title	Issue Date
4172257	Ground station antenna for satellite communication systems A ground station for satellite communication transmission systems which utilize a beam which is relatively narrow in the "hour angle direction" and is relatively wide in the "declination angle direction" so as to prevent interference from satellites on ge...	10/23/1979
3949400	Position determination systems Disclosed is a system for an orbital antenna means which is operated at a synchronous altitude to scan an area of a celestial body. The antenna means comprises modules which are operated by a steering signal in a repetitive function for providing a scanni...	04/06/1976

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