CA2003140A1 - Circuit de commande d'un ensemble de capteurs - Google Patents

Circuit de commande d'un ensemble de capteurs

Info

Publication number
CA2003140A1
CA2003140A1 CA2003140A CA2003140A CA2003140A1 CA 2003140 A1 CA2003140 A1 CA 2003140A1 CA 2003140 A CA2003140 A CA 2003140A CA 2003140 A CA2003140 A CA 2003140A CA 2003140 A1 CA2003140 A1 CA 2003140A1
Authority
CA
Canada
Prior art keywords
driver circuitry
multiple sensors
ment
leds
detectors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2003140A
Other languages
English (en)
Other versions
CA2003140C (fr
Inventor
Robert James Tolmie, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of CA2003140A1 publication Critical patent/CA2003140A1/fr
Application granted granted Critical
Publication of CA2003140C publication Critical patent/CA2003140C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F55/00—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto
    • H10F55/20—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers
    • H10F55/25—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers wherein the radiation-sensitive devices and the electric light source are all semiconductor devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Electronic Switches (AREA)
CA002003140A 1988-12-28 1989-11-16 Circuit de commande d'un ensemble de capteurs Expired - Fee Related CA2003140C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US291,473 1988-12-28
US07/291,473 US4886976A (en) 1988-12-28 1988-12-28 Driver circuitry for multiple sensors

Publications (2)

Publication Number Publication Date
CA2003140A1 true CA2003140A1 (fr) 1990-06-28
CA2003140C CA2003140C (fr) 2000-01-25

Family

ID=23120441

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002003140A Expired - Fee Related CA2003140C (fr) 1988-12-28 1989-11-16 Circuit de commande d'un ensemble de capteurs

Country Status (3)

Country Link
US (1) US4886976A (fr)
CA (1) CA2003140C (fr)
GB (1) GB2227312B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0474903A1 (fr) * 1990-09-12 1992-03-18 Siemens Aktiengesellschaft Elément de couplage optoélectronique
US5154246A (en) * 1991-03-08 1992-10-13 Pitney Bowes Inc. Sensor processor for high-speed mail-handling machine
US5229620A (en) * 1991-12-31 1993-07-20 Tandberg Data A/S System for integrated tape hole detection by detecting an edge of the tape and/or a pattern on the tape
US5321252A (en) * 1993-05-03 1994-06-14 Pitney Bowes Inc. Improved driver circuitry for multiple sensors
EP0875771B1 (fr) * 1997-04-30 2004-07-14 Sick Ag Senseur opto-électronique avec des éléments photosensibles arangés en ligne ou matrice
DE19801246C2 (de) * 1998-01-15 2001-07-05 Ibm Verfahren und Vorrichtung zur Lokalisierung und Detektion von Folien und Fensterbereichen auf Postgut
US6476376B1 (en) * 2002-01-16 2002-11-05 Xerox Corporation Two dimensional object position sensor
DE102007014034B3 (de) * 2007-03-23 2008-09-25 Continental Automotive Gmbh Optischer Sensorchip und Einklemmschutzvorrichtung mit einem solchen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972622A (en) * 1974-09-19 1976-08-03 New Hampshire Ball Bearings, Inc. Electronic survey target
DE2758007C2 (de) * 1977-12-24 1979-10-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Steuern des Abzugsvorgangs bei einer Einrichtung zur Abgabe vereinzelter Sendungen von unterschiedlicher Länge sowie entsprechende Einrichtung
US4311990A (en) * 1978-11-16 1982-01-19 Optical Techniques International, Inc. Photo-optical keyboards
US4331328A (en) * 1980-06-30 1982-05-25 Burroughs Corporation Controller for a servo driven document feeder
GB2109923B (en) * 1981-11-13 1985-05-22 De La Rue Syst Optical scanner
DE3424397A1 (de) * 1984-07-03 1986-01-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vereinzelungseinrichtung fuer flache gegenstaende
US4691385A (en) * 1985-09-05 1987-09-01 Caterpillar Industrial Inc. Optical communication apparatus for a vehicle

Also Published As

Publication number Publication date
GB8928545D0 (en) 1990-02-21
GB2227312B (en) 1993-07-07
CA2003140C (fr) 2000-01-25
GB2227312A (en) 1990-07-25
US4886976A (en) 1989-12-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed