SE445074B - Anordning vid en chopper - Google Patents

Anordning vid en chopper

Info

Publication number
SE445074B
SE445074B SE8007671A SE8007671A SE445074B SE 445074 B SE445074 B SE 445074B SE 8007671 A SE8007671 A SE 8007671A SE 8007671 A SE8007671 A SE 8007671A SE 445074 B SE445074 B SE 445074B
Authority
SE
Sweden
Prior art keywords
chopper
signal
aperture
optical
wedge
Prior art date
Application number
SE8007671A
Other languages
English (en)
Swedish (sv)
Other versions
SE8007671L (sv
Inventor
G Vogl
B Moller
E Pettersson
A Johansson
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
Priority to SE8007671A priority Critical patent/SE445074B/sv
Priority to NL8104672A priority patent/NL8104672A/nl
Priority to GB8131881A priority patent/GB2086571B/en
Priority to IT49575/81A priority patent/IT1171615B/it
Priority to FR8120242A priority patent/FR2493540B1/fr
Priority to DE19813142991 priority patent/DE3142991A1/de
Priority to CH6948/81A priority patent/CH657454A5/de
Priority to NO813681A priority patent/NO163833C/no
Priority to US06/316,719 priority patent/US4458147A/en
Priority to JP56175571A priority patent/JPS57104823A/ja
Publication of SE8007671L publication Critical patent/SE8007671L/
Publication of SE445074B publication Critical patent/SE445074B/sv

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)
SE8007671A 1980-10-31 1980-10-31 Anordning vid en chopper SE445074B (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE8007671A SE445074B (sv) 1980-10-31 1980-10-31 Anordning vid en chopper
NL8104672A NL8104672A (nl) 1980-10-31 1981-10-14 Onderbrekingsinrichting.
GB8131881A GB2086571B (en) 1980-10-31 1981-10-22 Optical signal evaluating device
IT49575/81A IT1171615B (it) 1980-10-31 1981-10-27 Dispositivo interruttore rotante per l'analisi di segnali ottici
FR8120242A FR2493540B1 (fr) 1980-10-31 1981-10-28 Dispositif d'analyse optique notamment pour determination de la direction d'un faisceau lumineux
DE19813142991 DE3142991A1 (de) 1980-10-31 1981-10-29 Optische unterbrechereinrichtung
CH6948/81A CH657454A5 (de) 1980-10-31 1981-10-30 Empfangsvorrichtung fuer optische signale mit einer abtastanordnung.
NO813681A NO163833C (no) 1980-10-31 1981-10-30 Anordning ved en chopper.
US06/316,719 US4458147A (en) 1980-10-31 1981-10-30 Apparatus for evaluating optical signals
JP56175571A JPS57104823A (en) 1980-10-31 1981-10-30 Chopping apparatus

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 (2)

Publication Number Publication Date
SE8007671L SE8007671L (sv) 1982-05-01
SE445074B true SE445074B (sv) 1986-05-26

Family

ID=20342133

Family Applications (1)

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

Country Status (10)

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

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 (no) * 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 (no) * 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
GB2086571B (en) 1984-07-18
IT8149575A0 (it) 1981-10-27
FR2493540B1 (fr) 1986-02-28
DE3142991A1 (de) 1982-06-09
NL8104672A (nl) 1982-05-17
NO163833B (no) 1990-04-17
NO163833C (no) 1990-08-01
IT1171615B (it) 1987-06-10
NO813681L (no) 1982-05-03
SE8007671L (sv) 1982-05-01
CH657454A5 (de) 1986-08-29
GB2086571A (en) 1982-05-12
FR2493540A1 (fr) 1982-05-07
JPS57104823A (en) 1982-06-30
US4458147A (en) 1984-07-03

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