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:
Dec. 31, 1985
Filed:
Nov. 12, 1982
Applicant:
Inventors:
Eric J Frankfort, Yorktown Heights, NY (US);
George C Kenney, II, Ossining, NY (US);
Robert McFarlane, New Rochelle, NY (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369106 ; 369116 ; 369111 ; 369 54 ; 346 / ; 250205 ;
Abstract
Apparatus for recording data by means of a beam of radiation on a recording medium which upon exposure to the beam undergoes optically detectable changes in the form of pits, which apparatus includes means for reducing the beam intensity as a result of pit initiation thereby forming more accurate pits.
Quick Actions:
Frankfort, Eric. (1985). Apparatus for controlling the write beam in an optical data recording (U.S. Patent No. 4562567). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4562567
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile