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:
Jun. 05, 1990
Filed:
Jul. 01, 1988
Robert J Jackson, Bothell, WA (US);
Opcon Incorporated, Everett, WA (US);
Abstract
A photoelectric alignment indicator that includes two indicators (10) and (11) and a photoelectric receiver (2) is disclosed. A housing (3) houses the indicators (10) and (11) and the photoelectric receiver (2). One indicator (10), formed by a collimating lens (10b) and LED (10a), is mounted adjacent to the photodetector (9) of the photoelectric receiver (2) and transmits visible energy (12) into substantially the same field as the field of view of the photodetector collimating lens (9b). The second indicator (11) is mounted on the rear surface (8) of the photoelectric receiver housing (3), opposite the receiver photodetector (9) and emits visible energy (12) viewable from the end of the photoelectric receiver (2) remote from the transmitter (1). Alignment of the photoelectric transmitter (1) with the photoelectric receiver (2) allows the light (13) from the light source (15) of the photoelectric transmitter (1) to illuminate the receiver photodetector (9), energizing the indicators (10) and (11). The end result are alignment indicting signals that are viewable from both the photoelectric transmitter (1) and the photoelectric receiver (2).