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. 16, 1995
Filed:
Jan. 10, 1994
Applicant:
Inventor:
Otmar Kappeler, Denzlingen, DE;
Assignee:
Erwin Sick GmbH Optik-Electronik, Waldkirch, DE;
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
250221 ; 2502221 ; 340556 ;
Abstract
The invention relates to a method of operating an optical sensor arrangement for detecting articles present in a monitored region by means of a light transmitter and a light receiver. The light transmitter emits light signals which respectively comprise a number of pulses which follow each other at a determined pulse repetition frequency.