G01J 1/12

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
8189182 Semiconductor integrated circuit device, optical scanner using same, image forming apparatus using optical scanner, and return light identification methodAug 05, 09May 29, 12RICOH COMPANY, LTD.
8130371 Method of calibrating reflection characteristic measuring apparatus for sheet specimenMay 19, 11Mar 06, 12KONICA MINOLTA SENSING, INC.
7649622 Multi-site optical power calibration system and methodJun 30, 07Jan 19, 10MONTEREY RESEARCH, LLC
7622163 Method for identifying articles and process for maintaining securityMay 17, 07Nov 24, 09E. I. DU PONT DE NEMOURS AND COMPANY
7623230 Optical sensor calibrationOct 23, 07Nov 24, 09RPX CORPORATION
7027340 Output device for static random access memoryJul 26, 04Apr 11, 06VIA TECHNOLOGIES, INC.
6016192 External calibration system for a photo multiplier tubeDec 18, 97Jan 18, 00DYNEX ACQUISITION, INC.
5715048 Calibration system for a photo multiplier tubeNov 22, 95Feb 03, 98DLW, INC., DYNEC TECHNOLOGIES, INC., DYNEX ACQUISITION, INC.,