NO163833C - Anordning ved en chopper. - Google Patents

Anordning ved en chopper.

Info

Publication number
NO163833C
NO163833C NO813681A NO813681A NO163833C NO 163833 C NO163833 C NO 163833C NO 813681 A NO813681 A NO 813681A NO 813681 A NO813681 A NO 813681A NO 163833 C NO163833 C NO 163833C
Authority
NO
Norway
Prior art keywords
chopper
Prior art date
Application number
NO813681A
Other languages
English (en)
Norwegian (no)
Other versions
NO813681L (no
NO163833B (no
Inventor
Erland Petterson
Arnold Johansson
Georg Vogl
Bo Moeller
Original Assignee
Bofors Ab
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 Bofors Ab filed Critical Bofors Ab
Publication of NO813681L publication Critical patent/NO813681L/no
Publication of NO163833B publication Critical patent/NO163833B/no
Publication of NO163833C publication Critical patent/NO163833C/no

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
    • G01S3/787—Systems for determining direction or deviation from predetermined direction using rotating reticles producing a direction-dependent modulation characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
NO813681A 1980-10-31 1981-10-30 Anordning ved en chopper. NO163833C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8007671A SE445074B (sv) 1980-10-31 1980-10-31 Anordning vid en chopper

Publications (3)

Publication Number Publication Date
NO813681L NO813681L (no) 1982-05-03
NO163833B NO163833B (no) 1990-04-17
NO163833C true NO163833C (no) 1990-08-01

Family

ID=20342133

Family Applications (1)

Application Number Title Priority Date Filing Date
NO813681A NO163833C (no) 1980-10-31 1981-10-30 Anordning ved en chopper.

Country Status (10)

Country Link
US (1) US4458147A (ja)
JP (1) JPS57104823A (ja)
CH (1) CH657454A5 (ja)
DE (1) DE3142991A1 (ja)
FR (1) FR2493540B1 (ja)
GB (1) GB2086571B (ja)
IT (1) IT1171615B (ja)
NL (1) NL8104672A (ja)
NO (1) NO163833C (ja)
SE (1) SE445074B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694447A (en) * 1984-07-12 1987-09-15 International Business Machines Corp. Optical signal recorders employing two lasers and methods therefor
US6012840A (en) * 1997-01-27 2000-01-11 The Regents Of The University Of California Single-fiber multi-color pyrometry

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE319865C (de) * 1914-06-03 1920-04-01 Karoline Seelis Geb Kerstin Hilfsmittel zur Verschiebung des einen Teilbildes in Entfernungsmessern
US2178245A (en) * 1936-06-24 1939-10-31 Klangfilm Gmbh Sound recording apparatus
US2947872A (en) * 1956-01-23 1960-08-02 Kollsman Instr Corp Star tracking system
US3366795A (en) * 1964-09-18 1968-01-30 Army Usa Background discriminator for radiometric devices
US3677652A (en) * 1971-06-15 1972-07-18 Gte Sylvania Inc Fluid analyzer apparatus
JPS514871B2 (ja) * 1971-10-29 1976-02-16
DE2163200C2 (de) * 1971-12-20 1983-06-09 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur berührungslosen Messung
DD108383A1 (ja) * 1973-11-09 1974-09-12
US3968476A (en) * 1974-07-17 1976-07-06 Sperry Rand Corporation Spurious signal removal in optical processor fingerprint identification apparatus
GB1523232A (en) * 1976-03-31 1978-08-31 Elliott Brothers London Ltd Electronic arragements including charge coupled devices
SE416234B (sv) * 1976-12-02 1980-12-08 Bofors Ab Anordning for metning av riktningskoordinaterna till ett avlegset objekt
GB2014754B (en) * 1978-02-17 1982-06-16 Polska Akademia Nauk Instytut Interferometer

Also Published As

Publication number Publication date
SE8007671L (sv) 1982-05-01
FR2493540A1 (fr) 1982-05-07
GB2086571B (en) 1984-07-18
JPS57104823A (en) 1982-06-30
CH657454A5 (de) 1986-08-29
NO813681L (no) 1982-05-03
FR2493540B1 (fr) 1986-02-28
IT8149575A0 (it) 1981-10-27
US4458147A (en) 1984-07-03
DE3142991A1 (de) 1982-06-09
SE445074B (sv) 1986-05-26
NL8104672A (nl) 1982-05-17
GB2086571A (en) 1982-05-12
IT1171615B (it) 1987-06-10
NO163833B (no) 1990-04-17

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