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:
Oct. 07, 1986
Filed:
Aug. 28, 1984
Applicant:
Inventor:
Yacov A Pshtissky, Bayside, NY (US);
Assignee:
Vicon Industries, Inc., Melville, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
358227 ; 354407 ;
Abstract
An autofocus system and method for automatically adjusting the focus of a lens system. The autofocus system selects video signals, having a frequency in a preselected range and drives the lens system until the voltage of the frequencies in the preselected range is maximized. The preselected frequency range has been found to be to 0.8 Mhz to 1 Mhz.
Pshtissky, Yacov. (1986). Auto focus system (U.S. Patent No. 4616264). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4616264
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile