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. 10, 1980
Filed:
Mar. 27, 1978
Toshifumi Fukuyama, Nagaokakyo, JP;
Norio Onji, Nagaokakyo, JP;
Omron Tateisi Electronics Co., Nagaokakyo, JP;
Abstract
A photoelectric switch comprising a circuit block which is housed within a fluid-tight enclosure. The enclosure comprises a box-like housing having a first opening at one end, a second opening at another end and a cap means closing the first opening and fixed to the housing. The circuit block comprising a circuit board and a plurality of circuit elements, is placed in the enclosure through the first opening. A light-source element and a light-responsive element are positioned in the cap means and electrically connected to the circuit board. A conductor is electrically connected to the circuit board and extends out of the enclosure through the second opening.