FR1203439A - Direction reference device - Google Patents

Direction reference device

Info

Publication number
FR1203439A
FR1203439A FR1203439DA FR1203439A FR 1203439 A FR1203439 A FR 1203439A FR 1203439D A FR1203439D A FR 1203439DA FR 1203439 A FR1203439 A FR 1203439A
Authority
FR
France
Prior art keywords
reference device
direction reference
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.)
Chart Inc
Original Assignee
ASEA AB
Allmanna Svenska Elektriska 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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR1203439A publication Critical patent/FR1203439A/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
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR1203439D 1957-10-02 1958-10-02 Direction reference device Expired FR1203439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1203439X 1957-10-02

Publications (1)

Publication Number Publication Date
FR1203439A true FR1203439A (en) 1960-01-18

Family

ID=20421945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1203439D Expired FR1203439A (en) 1957-10-02 1958-10-02 Direction reference device

Country Status (1)

Country Link
FR (1) FR1203439A (en)

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Legal Events

Date Code Title Description
TP Transmission of property

Owner name: CHART INC., US

Effective date: 20110922