GB1336500A - Light beam detection device - Google Patents

Light beam detection device

Info

Publication number
GB1336500A
GB1336500A GB1336500DA GB1336500A GB 1336500 A GB1336500 A GB 1336500A GB 1336500D A GB1336500D A GB 1336500DA GB 1336500 A GB1336500 A GB 1336500A
Authority
GB
United Kingdom
Prior art keywords
signal
circuit
junction
detector
difference
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
Application number
Other languages
English (en)
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.)
Compagnie Industriel des Lasers CILAS SA
Original Assignee
Compagnie Industriel des Lasers CILAS SA
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
Priority claimed from FR7034732A external-priority patent/FR2106824A5/fr
Application filed by Compagnie Industriel des Lasers CILAS SA filed Critical Compagnie Industriel des Lasers CILAS SA
Publication of GB1336500A publication Critical patent/GB1336500A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/783—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB1336500D 1970-09-25 1971-09-24 Light beam detection device Expired GB1336500A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7034732A FR2106824A5 (enrdf_load_stackoverflow) 1970-09-25 1970-09-25
FR7037699A FR2110484A6 (enrdf_load_stackoverflow) 1970-09-25 1970-10-19

Publications (1)

Publication Number Publication Date
GB1336500A true GB1336500A (en) 1973-11-07

Family

ID=26215967

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1336500D Expired GB1336500A (en) 1970-09-25 1971-09-24 Light beam detection device

Country Status (7)

Country Link
BE (1) BE772548A (enrdf_load_stackoverflow)
CH (1) CH545468A (enrdf_load_stackoverflow)
DE (1) DE2146431A1 (enrdf_load_stackoverflow)
FR (1) FR2110484A6 (enrdf_load_stackoverflow)
GB (1) GB1336500A (enrdf_load_stackoverflow)
LU (1) LU63919A1 (enrdf_load_stackoverflow)
NL (1) NL7112725A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005493A1 (de) * 1980-02-14 1981-08-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur steuerung von arbeitsgeraeten, insbesondere von geblaesen und/oder spritzduesen in einer automatischen fahrzeugwaschanlage

Also Published As

Publication number Publication date
BE772548A (fr) 1972-03-14
CH545468A (fr) 1973-12-15
LU63919A1 (enrdf_load_stackoverflow) 1972-06-27
NL7112725A (enrdf_load_stackoverflow) 1972-03-28
DE2146431A1 (de) 1972-03-30
FR2110484A6 (enrdf_load_stackoverflow) 1972-06-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee