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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US422709114 Feb 19797 Oct 1980Erwin Sick GmbH, Optik-ElektronikOptical monitoring apparatus
US434399825 Feb 198010 Aug 1982Sukeo MoriMethod and apparatus for detecting sewing defects on a stocking toe closer
US45019537 Jan 198226 Feb 1985Tann-Papier Gesellschaft m.b.H.Method of and apparatus for controlling apparatus for perforating strips of paper or the like by disruptive spark discharges
US45726669 Mar 198225 Feb 1986Satake Engineering Co., Ltd.Apparatus for detecting cracked rice grain
US476632517 Jul 198723 Aug 1988Siemens AktiengesellschaftMethod for testing for faulty plated-through bores circuit boards
US522017819 Dec 199115 Jun 1993Phillips Petroleum CompanyApparatus and process for detecting the presence of defects on a moving sheet of material
US53230151 Mar 199321 Jun 1994Directional movement sensor using three light sensing elements and differential amplifiers
US535288723 Dec 19934 Oct 1994Motorola, Inc.Circuit for detecting a droplet in motion and method therefor
US566619911 Jul 19949 Sep 1997Phillips Petroleum CompanyApparatus and process for detecting the presence of gel defects in oriented sheets or films based on polarization detection
US576041419 Dec 19952 Jun 1998Monarch Marking Systems, Inc.Web of record members and method of and apparatus for making same and system for detecting indicia

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