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:
May. 30, 1989
Filed:
Jun. 05, 1986
Applicant:
Inventors:
Jean-Claude Perrot, Montigny-en-Cormeilles, FR;
Jacques Taillebois, Plaisir, FR;
Assignee:
M.C.B., Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ; H01J / ;
U.S. Cl.
CPC ...
2502 / ; 2502 / ; 341-8 ;
Abstract
An optical code reading device, including a unit having, for each of the tracks of the coded element, a pair of photodiodes, a differential amplifier receiving the outputs of the photodiodes and the trigger connected to the output of the amplifier, a shift register receiving the outputs from the unit, a control unit, a clock and apparatus for feeding to said unit signals adapted for simulating at will, for each channel, the bit level '0' or the bit level '1'.