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. 30, 1986
Filed:
Jan. 19, 1984
Applicant:
Inventor:
Catherine Gueugnon, Paris, FR;
Assignee:
Cii Honeywell Bull (Societe Anonyme), Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
369 13 ; 360114 ; 369 45 ; 369 46 ;
Abstract
Optical apparatus (DISFOCI1 to DISFOCI4) for focusing a beam of light for reading of a data medium moving past it, comprising, a main body (CPLI1 to CPLI4) disposed to fly above the data medium and at least one optical device (OPFOCI1, OPFOCI2, OPFOCI3, OPFOCI4, OPFOCI5) for focusing of the beam, the optical device being located such that its distance in relation to said medium remains constant. The optical device is placed on the main body and is integral with the movement thereof. The apparatus is adpated for optical reading of magnetic optical data.