FR729987A - Correcteur de parallaxe - Google Patents

Correcteur de parallaxe

Info

Publication number
FR729987A
FR729987A FR729987DA FR729987A FR 729987 A FR729987 A FR 729987A FR 729987D A FR729987D A FR 729987DA FR 729987 A FR729987 A FR 729987A
Authority
FR
France
Prior art keywords
parallax corrector
corrector
parallax
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.)
Anciens Etablissements Sautter Harle
Original Assignee
Anciens Etablissements Sautter Harle
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 Anciens Etablissements Sautter Harle filed Critical Anciens Etablissements Sautter Harle
Application granted granted Critical
Publication of FR729987A publication Critical patent/FR729987A/fr
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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Rehabilitation Tools (AREA)
FR729987D 1931-04-01 1931-04-01 Correcteur de parallaxe Expired FR729987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR729987T 1931-04-01

Publications (1)

Publication Number Publication Date
FR729987A true FR729987A (fr) 1932-08-04

Family

ID=9112801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729987D Expired FR729987A (fr) 1931-04-01 1931-04-01 Correcteur de parallaxe

Country Status (2)

Country Link
BE (1) BE385619A (fr)
FR (1) FR729987A (fr)

Also Published As

Publication number Publication date
BE385619A (fr)

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