FR2448126A1 - Sextant perfectionne, notamment pour la navigation - Google Patents

Sextant perfectionne, notamment pour la navigation

Info

Publication number
FR2448126A1
FR2448126A1 FR7903401A FR7903401A FR2448126A1 FR 2448126 A1 FR2448126 A1 FR 2448126A1 FR 7903401 A FR7903401 A FR 7903401A FR 7903401 A FR7903401 A FR 7903401A FR 2448126 A1 FR2448126 A1 FR 2448126A1
Authority
FR
France
Prior art keywords
sextant
chronometer
sun
time
photograph image
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.)
Granted
Application number
FR7903401A
Other languages
English (en)
Other versions
FR2448126B1 (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.)
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Original Assignee
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
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 Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA filed Critical Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Priority to FR7903401A priority Critical patent/FR2448126A1/fr
Publication of FR2448126A1 publication Critical patent/FR2448126A1/fr
Application granted granted Critical
Publication of FR2448126B1 publication Critical patent/FR2448126B1/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
    • G01C1/00—Measuring angles
    • G01C1/08—Sextants
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)

Abstract

L'INVENTION CONCERNE UN SEXTANT PERFECTIONNE, NOTAMMENT POUR LA NAVIGATION. LE SEXTANT COMPORTE LES MEMES ORGANES QU'UN SEXTANT CLASSIQUE AVEC EN PLUS UN MIROIR SUPPLEMENTAIRE 14 ADJOINT A LA LUNETTE DE VISEE 5 POUR PARTAGER LE FAISCEAU DE RAYONS LUMINEUX EN DEUX PARTIES VERS L'OEIL DE L'OBSERVATEUR ET VERS LA PLAQUE SENSIBLE 17 D'UN APPAREIL PHOTOGRAPHIQUE 18 A DEVELOPPEMENT RAPIDE. APPLICATION: INSTRUMENT PERMETTANT D'OBTENIR AUTOMATIQUEMENT UN POINT EXACT SANS FAIRE APPEL A L'APPRECIATION DE L'OPERATEUR.
FR7903401A 1979-02-02 1979-02-02 Sextant perfectionne, notamment pour la navigation Granted FR2448126A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7903401A FR2448126A1 (fr) 1979-02-02 1979-02-02 Sextant perfectionne, notamment pour la navigation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7903401A FR2448126A1 (fr) 1979-02-02 1979-02-02 Sextant perfectionne, notamment pour la navigation

Publications (2)

Publication Number Publication Date
FR2448126A1 true FR2448126A1 (fr) 1980-08-29
FR2448126B1 FR2448126B1 (fr) 1981-11-27

Family

ID=9221814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903401A Granted FR2448126A1 (fr) 1979-02-02 1979-02-02 Sextant perfectionne, notamment pour la navigation

Country Status (1)

Country Link
FR (1) FR2448126A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456392A (en) * 1945-01-31 1948-12-14 Fairchild Camera Instr Co Sextant marking device
US3985446A (en) * 1974-08-27 1976-10-12 The United States Of America As Represented By The Secretary Of The Navy Remote controlled, CRT digital display, LLLTV camera-sextant
FR2363127A1 (fr) * 1976-08-23 1978-03-24 Asia American Ind Ltd Telescope binoculaire avec camera incorporee
FR2384272A1 (fr) * 1977-03-15 1978-10-13 Vannet Germaine Enregistreur de visee (camera)

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456392A (en) * 1945-01-31 1948-12-14 Fairchild Camera Instr Co Sextant marking device
US3985446A (en) * 1974-08-27 1976-10-12 The United States Of America As Represented By The Secretary Of The Navy Remote controlled, CRT digital display, LLLTV camera-sextant
FR2363127A1 (fr) * 1976-08-23 1978-03-24 Asia American Ind Ltd Telescope binoculaire avec camera incorporee
FR2384272A1 (fr) * 1977-03-15 1978-10-13 Vannet Germaine Enregistreur de visee (camera)

Also Published As

Publication number Publication date
FR2448126B1 (fr) 1981-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse