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. 29, 2001
Filed:
Aug. 24, 1999
Alexander Paritsky, Jerusalem, IL;
Alexander Kots, Ashdod, IL;
Phone-Or LTD, , IL;
Abstract
The invention provides a sensor for measuring the distances to a medium and/or the physical properties thereof, including a housing; at least one pair of optical fibers, each having an input end portion and an output end portion, the input end portion of a first fiber being connectable to a source of light and the output end portion of a second fiber being connectable to light intensity measuring means; a sensor head, including the input end portion of the second optical fiber and the output end portion of the first optical fiber affixedly located at least in proximity to each other; each of the output end portion of the first fiber and input end portion of the second fiber having an axis and a rim, the rims being cut at an angle &thgr; with respect to the axis and the axes forming an angle &agr; therebetween, and wherein, upon operation, the light emerging from the output end portion of the first fiber impinges on a surface of a medium at an angle of incidence &bgr;, and wherein &bgr;=ƒ(&agr;,&thgr;), the output end portion of the first fiber and the input end portion of the second fiber being slightly cut off in a plane traversing at least one of the axes to form edge surfaces interfacing each other.