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:
May. 09, 1978
Filed:
Jul. 26, 1976
George J Meslener, Acton, MA (US);
GTE Laboratories Incorporated, Waltham, MA (US);
Abstract
A method and apparatus for pulse position modulating an optical signal is disclosed whereby a beam of light is swept across an aperture at a predetermined rate to define a plurality of reference-time positions for the series of pulses emerging through the aperture. The reference-time positions are thereby associated with a reference sweep-path position. The sweep-path position at which the beam crosses the aperture is varied in accordance with a modulating signal to consequently vary the time positions of the emerging pulses. In the preferred embodiment, a pair of reflective surfaces are provided in the beam path, the first being cyclically vibrated at a predetermined rate to repeatedly deflect the beam across the aperture. The second reflective surface is movable in response to a modulating signal to alter the angle of the beam incidence on the first surface and thereby alter the time phase of the vibration cycle at which the beam transverses the aperture.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile