FR2292953B1 - - Google Patents

Info

Publication number
FR2292953B1
FR2292953B1 FR7536246A FR7536246A FR2292953B1 FR 2292953 B1 FR2292953 B1 FR 2292953B1 FR 7536246 A FR7536246 A FR 7536246A FR 7536246 A FR7536246 A FR 7536246A FR 2292953 B1 FR2292953 B1 FR 2292953B1
Authority
FR
France
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
FR7536246A
Other versions
FR2292953A1 (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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of FR2292953A1 publication Critical patent/FR2292953A1/fr
Application granted granted Critical
Publication of FR2292953B1 publication Critical patent/FR2292953B1/fr
Granted 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
    • G01C9/02—Details
    • G01C9/06—Electric or photoelectric indication or reading means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
FR7536246A 1974-11-27 1975-11-26 Detecteur optique d'horizontalite Granted FR2292953A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52777474A 1974-11-27 1974-11-27

Publications (2)

Publication Number Publication Date
FR2292953A1 FR2292953A1 (fr) 1976-06-25
FR2292953B1 true FR2292953B1 (fr) 1979-05-11

Family

ID=24102873

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536246A Granted FR2292953A1 (fr) 1974-11-27 1975-11-26 Detecteur optique d'horizontalite

Country Status (2)

Country Link
JP (1) JPS5177356A (fr)
FR (1) FR2292953A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110609A (en) * 1976-10-22 1978-08-29 The Singer Company Tilt limiting detecting apparatus
JPS5560816A (en) * 1978-10-31 1980-05-08 Kazuhiro Toida Automatic reading method for data at indexed position of instrument
FI80788C (fi) * 1987-11-09 1990-07-10 Metrum Oy Foerfarande och anordning foer angivning av en riktning eller vinkel.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371424A (en) * 1965-03-25 1968-03-05 Northern Electric Co Reference attitude indicating device

Also Published As

Publication number Publication date
JPS5177356A (ja) 1976-07-05
FR2292953A1 (fr) 1976-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse