IT1295901B1 - Barriera immateriale optoelettronica a regolazione automatica della soglia di scatto - Google Patents

Barriera immateriale optoelettronica a regolazione automatica della soglia di scatto

Info

Publication number
IT1295901B1
IT1295901B1 ITMI972447A IT1295901B1 IT 1295901 B1 IT1295901 B1 IT 1295901B1 IT MI972447 A ITMI972447 A IT MI972447A IT 1295901 B1 IT1295901 B1 IT 1295901B1
Authority
IT
Italy
Prior art keywords
optoelectronic
automatic adjustment
trip threshold
immaterial
barrier
Prior art date
Application number
Other languages
English (en)
Inventor
Ottorino Barbuti
Original Assignee
Ottorino Barbuti
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 Ottorino Barbuti filed Critical Ottorino Barbuti
Priority to ITMI972447 priority Critical patent/IT1295901B1/it
Priority to EP98118777A priority patent/EP0913710A3/en
Publication of ITMI972447A1 publication Critical patent/ITMI972447A1/it
Application granted granted Critical
Publication of IT1295901B1 publication Critical patent/IT1295901B1/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Glass Compositions (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
ITMI972447 1997-10-31 1997-10-31 Barriera immateriale optoelettronica a regolazione automatica della soglia di scatto IT1295901B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI972447 IT1295901B1 (it) 1997-10-31 1997-10-31 Barriera immateriale optoelettronica a regolazione automatica della soglia di scatto
EP98118777A EP0913710A3 (en) 1997-10-31 1998-10-05 Optoelectronic intangible barrier with automatic regulation of the trigger threshold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI972447 IT1295901B1 (it) 1997-10-31 1997-10-31 Barriera immateriale optoelettronica a regolazione automatica della soglia di scatto

Publications (2)

Publication Number Publication Date
ITMI972447A1 ITMI972447A1 (it) 1999-05-01
IT1295901B1 true IT1295901B1 (it) 1999-05-28

Family

ID=11378136

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI972447 IT1295901B1 (it) 1997-10-31 1997-10-31 Barriera immateriale optoelettronica a regolazione automatica della soglia di scatto

Country Status (2)

Country Link
EP (1) EP0913710A3 (it)
IT (1) IT1295901B1 (it)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3230524C2 (de) * 1982-08-17 1987-04-09 Agfa-Gevaert Ag, 5090 Leverkusen Einrichtung zum Erkennen von zwei oder mehreren Übereinanderliegenden Filmblättern
JP2648765B2 (ja) * 1988-04-30 1997-09-03 チノン株式会社 光電スイッチの受光信号回路
US5218196A (en) * 1991-09-05 1993-06-08 Frost Controls, Inc. Light curtain system with system and watchdog microcontrollers
US5567931A (en) * 1994-10-25 1996-10-22 Otis Elevator Company Variable beam detection using a dynamic detection threshold
US5638390A (en) * 1995-07-27 1997-06-10 Methode Electronics, Inc. Optoelectronic transceiver module laser diode stabilizer and bias control method
DE19611195C1 (de) * 1996-03-21 1997-06-05 Lumiflex Elektronik Gmbh & Co Verfahren zum Betrieb einer Lichtschrankenanordnung

Also Published As

Publication number Publication date
ITMI972447A1 (it) 1999-05-01
EP0913710A3 (en) 2001-10-10
EP0913710A2 (en) 1999-05-06

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Legal Events

Date Code Title Description
0001 Granted