JPS57118215A - Formless second dimensional barrier - Google Patents

Formless second dimensional barrier

Info

Publication number
JPS57118215A
JPS57118215A JP56097337A JP9733781A JPS57118215A JP S57118215 A JPS57118215 A JP S57118215A JP 56097337 A JP56097337 A JP 56097337A JP 9733781 A JP9733781 A JP 9733781A JP S57118215 A JPS57118215 A JP S57118215A
Authority
JP
Japan
Prior art keywords
formless
dimensional barrier
barrier
dimensional
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.)
Pending
Application number
JP56097337A
Other languages
English (en)
Japanese (ja)
Inventor
Montanbueeru Mishieru
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.)
KOMETSUTA SA
Original Assignee
KOMETSUTA 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
Application filed by KOMETSUTA SA filed Critical KOMETSUTA SA
Publication of JPS57118215A publication Critical patent/JPS57118215A/ja
Pending 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Mechanical Optical Scanning Systems (AREA)
JP56097337A 1980-06-23 1981-06-23 Formless second dimensional barrier Pending JPS57118215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8013832A FR2485209A1 (fr) 1980-06-23 1980-06-23 Dispositif amplificateur optique

Publications (1)

Publication Number Publication Date
JPS57118215A true JPS57118215A (en) 1982-07-23

Family

ID=9243372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56097337A Pending JPS57118215A (en) 1980-06-23 1981-06-23 Formless second dimensional barrier

Country Status (3)

Country Link
EP (1) EP0042805A1 (enExample)
JP (1) JPS57118215A (enExample)
FR (1) FR2485209A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981579A (ja) * 1982-11-01 1984-05-11 Hokuyo Automatic Co 物品検知装置
WO2023223994A1 (ja) * 2022-05-16 2023-11-23 株式会社トプコン 測定装置、測定システム及び測定方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH656009A5 (de) * 1981-12-17 1986-05-30 Zellweger Uster Ag Verfahren und vorrichtung zur messung der geschwindigkeit eines bewegten objekts.
JPH0241188U (enExample) * 1988-09-10 1990-03-22

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1393577A (fr) * 1964-02-14 1965-03-26 Europ De Materiels Speciaux So Dispositif de collimation pour rayonnement infrarouge
GB997278A (en) * 1964-05-27 1965-07-07 Standard Telephones Cables Ltd Intruder detection system
US3527526A (en) * 1965-05-26 1970-09-08 Ernest W Silvertooth Catoptric image-forming system in which light is reflected twice from each surface
US3460886A (en) * 1966-06-17 1969-08-12 Nz Government Telescopic system utilizing three axially aligned substantially hyperbolic mirrors
US3674334A (en) * 1971-01-04 1972-07-04 Perkin Elmer Corp Catoptric anastigmatic afocal optical system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981579A (ja) * 1982-11-01 1984-05-11 Hokuyo Automatic Co 物品検知装置
WO2023223994A1 (ja) * 2022-05-16 2023-11-23 株式会社トプコン 測定装置、測定システム及び測定方法

Also Published As

Publication number Publication date
FR2485209B1 (enExample) 1984-06-15
EP0042805A1 (fr) 1981-12-30
FR2485209A1 (fr) 1981-12-24

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