FR2746190B1 - Barriere photoelectrique a rayons multiples - Google Patents

Barriere photoelectrique a rayons multiples

Info

Publication number
FR2746190B1
FR2746190B1 FR9603091A FR9603091A FR2746190B1 FR 2746190 B1 FR2746190 B1 FR 2746190B1 FR 9603091 A FR9603091 A FR 9603091A FR 9603091 A FR9603091 A FR 9603091A FR 2746190 B1 FR2746190 B1 FR 2746190B1
Authority
FR
France
Prior art keywords
photoelectric barrier
ray photoelectric
ray
barrier
photoelectric
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.)
Expired - Fee Related
Application number
FR9603091A
Other languages
English (en)
Other versions
FR2746190A1 (fr
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 filed Critical
Priority to FR9603091A priority Critical patent/FR2746190B1/fr
Publication of FR2746190A1 publication Critical patent/FR2746190A1/fr
Application granted granted Critical
Publication of FR2746190B1 publication Critical patent/FR2746190B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR9603091A 1996-03-12 1996-03-12 Barriere photoelectrique a rayons multiples Expired - Fee Related FR2746190B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9603091A FR2746190B1 (fr) 1996-03-12 1996-03-12 Barriere photoelectrique a rayons multiples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9603091A FR2746190B1 (fr) 1996-03-12 1996-03-12 Barriere photoelectrique a rayons multiples

Publications (2)

Publication Number Publication Date
FR2746190A1 FR2746190A1 (fr) 1997-09-19
FR2746190B1 true FR2746190B1 (fr) 1998-05-22

Family

ID=9490098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9603091A Expired - Fee Related FR2746190B1 (fr) 1996-03-12 1996-03-12 Barriere photoelectrique a rayons multiples

Country Status (1)

Country Link
FR (1) FR2746190B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6046834A (en) * 1996-03-08 2000-04-04 Nihon Shingo Kabushiki Kaisha Optical barrier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1276513B (de) * 1964-07-02 1968-08-29 Dr Hans Richter Lichtgitterschranke unter Verwendung von Rueckstrahlern
US4467193A (en) * 1981-09-14 1984-08-21 Carroll Manufacturing Corporation Parabolic light emitter and detector unit
JPH0690900B2 (ja) * 1988-11-14 1994-11-14 株式会社キーエンス 多光軸光電スイッチ

Also Published As

Publication number Publication date
FR2746190A1 (fr) 1997-09-19

Similar Documents

Publication Publication Date Title
DE69738147D1 (de) Photoelektrische Umwandlungsvorrichtung
DE69606055D1 (de) Einziehbare barriere
DE69637703D1 (de) Photoelektrischer Umwandler
DE69721109D1 (de) Photoelektrische Umwandlervorrichtung mit Ladungsabschöpfung
DE69736534D1 (de) Fotoelektrisches Umwandlungsgerät
BR9708039A (pt) Estrutura de caixa modular
DE69728636D1 (de) Photoelektrisches Umwandlungsgerät
DE69716686D1 (de) Lichtschranke
FR2780432B1 (fr) Poteau de cloture a encoches
DE69610177D1 (de) Lärmschutzwand
DE59711839D1 (de) Barriereschichten
DE59806256D1 (de) Lichtschranke
FR2746190B1 (fr) Barriere photoelectrique a rayons multiples
FR2744838B1 (fr) Detecteur photoelectrique a renvoi de faisceau
FR2756420B1 (fr) Photodiodes a avalanche
DE69633513D1 (de) Vakaktor mit elektrostatischer barriere
GB9503015D0 (en) A barrier
FR2744737B1 (fr) Barriere rabattable
FR2738862B1 (fr) Barriere modulable
FR2724674B1 (fr) Barriere a neige
FR2737951B1 (fr) Barriere du type cornadis
FR2752590B1 (fr) Construction a elements modulaires
FR2755173B1 (fr) Verrou a autocodage
FR2734006B1 (fr) Barriere a neige rabattable
ITAG960004A0 (it) Barriera ecologica antirumore bifunzionale a doppia parete pietrerba

Legal Events

Date Code Title Description
ST Notification of lapse