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. 14, 1981
Filed:
Apr. 16, 1979
Applicant:
Inventors:
Jacques Cholet, L'Etang-la-Ville, FR;
Bernard Damotte, Rueil-Malmaison, FR;
Jean Laurent, Morainvilliers, FR;
Assignee:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346108 ; 3461 / ;
Abstract
An optical recording device comprising a rigid arm carrying an optical system generating a light beam whose characteristics are varied in response and in relationship to a signal to be recorded. The arm is driven in an oscillatory movement by a motor of circular movement associated to a crank. The device further comprises a recording support unrolled along a direction orthogonal to that of the arm oscillatory movement, and means for synchronizing the control of the optical system with the movement of the arm.