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:
Mar. 03, 1987
Filed:
Apr. 24, 1985
Applicant:
Inventors:
Gerard Dimur, Epinay-sur-Orge, FR;
Frederic Vainpress, Paris, FR;
Assignee:
SMH Alcatel, , FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
250227 ; 235472 ; 250239 ;
Abstract
In an optical mark reader head comprising a light source (57) and two photosensors (58, 59) coupled to light transmission means forming a light emitting head (7) bracketed by two receiving heads (8, 9), all facing the document, and further comprising an analog processing circuit board (50) for the photosensor signals, supporting the light source and the photosensors. The invention provides transmission means in the form of rigid, preformed optical conduits (27, 28, 29) individually assembled and arranged relative to one another and together with the other reader head components in a single, flat case (1).