The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 1992
Filed:
Nov. 17, 1989
Steen A Parl, Arlington, MA (US);
Alfonso Malaga, Lincoln, MA (US);
Sundstrand Corporation, Rockford, IL (US);
Abstract
A meteor scatter communications system for communicating between a master station and one or more remote stations. In one exemplary embodiment, a broad beam transmitter probe signal is reflected from a meteor ionization trail to a remote station which then transmits a return data signal to the master station. The master station receiver has a plurality of antennas and a receiver beam forming network which forms a plurality of narrow beam receive signals, one of which has a high gain and corresponds to the narrow beam signal which illuminates the meteor trail and contains the reflected return data signal from the remote station. The master station processor selects such one narrow beam signal for processing the data therein. The transmitter at the master station, if desired, can then transmit a further narrow beam message signal containing a message to the remote station using a transmit beam forming network to provide a selected narrow beam transmit signal for reflection from the meteor trail to the remote station.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile