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FR805070A - Improvements to direction finding devices - Google Patents

Improvements to direction finding devices

Info

Publication number
FR805070A
FR805070A FR805070DA FR805070A FR 805070 A FR805070 A FR 805070A FR 805070D A FR805070D A FR 805070DA FR 805070 A FR805070 A FR 805070A
Authority
FR
France
Prior art keywords
direction finding
finding devices
devices
finding
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
French (fr)
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.)
Societe de Recherches et de Perfectionnements Industriels SRPI
Original Assignee
Societe de Recherches et de Perfectionnements Industriels SRPI
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 Societe de Recherches et de Perfectionnements Industriels SRPI filed Critical Societe de Recherches et de Perfectionnements Industriels SRPI
Application granted granted Critical
Publication of FR805070A publication Critical patent/FR805070A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G01C1/06—Arrangements for reading scales

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR805070D 1935-08-03 1935-08-03 Improvements to direction finding devices Expired FR805070A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR805070T 1935-08-03

Publications (1)

Publication Number Publication Date
FR805070A true FR805070A (en) 1936-11-10

Family

ID=9251103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805070D Expired FR805070A (en) 1935-08-03 1935-08-03 Improvements to direction finding devices

Country Status (1)

Country Link
FR (1) FR805070A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828443A (en) * 1972-06-20 1974-08-13 Bagwill T Line square

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828443A (en) * 1972-06-20 1974-08-13 Bagwill T Line square

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