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FR73482E - Reflection device for optical instruments and its applications - Google Patents

Reflection device for optical instruments and its applications

Info

Publication number
FR73482E
FR73482E FR763374A FR763374A FR73482E FR 73482 E FR73482 E FR 73482E FR 763374 A FR763374 A FR 763374A FR 763374 A FR763374 A FR 763374A FR 73482 E FR73482 E FR 73482E
Authority
FR
France
Prior art keywords
applications
reflection device
optical instruments
instruments
optical
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
FR763374A
Other languages
French (fr)
Inventor
Marie-Pierre Poitevi Fontguyon
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
Priority to FR1171765D priority Critical patent/FR1171765A/en
Application filed filed Critical
Priority to FR763374A priority patent/FR73482E/en
Application granted granted Critical
Publication of FR73482E publication Critical patent/FR73482E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G02B27/648—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR763374A 1957-04-19 1958-04-17 Reflection device for optical instruments and its applications Expired FR73482E (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1171765D FR1171765A (en) 1957-04-19 1957-04-19 Reflection device for optical instruments and its applications
FR763374A FR73482E (en) 1957-04-19 1958-04-17 Reflection device for optical instruments and its applications

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1171765T 1957-04-19
FR763374A FR73482E (en) 1957-04-19 1958-04-17 Reflection device for optical instruments and its applications

Publications (1)

Publication Number Publication Date
FR73482E true FR73482E (en) 1960-07-04

Family

ID=62495260

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1171765D Expired FR1171765A (en) 1957-04-19 1957-04-19 Reflection device for optical instruments and its applications
FR763374A Expired FR73482E (en) 1957-04-19 1958-04-17 Reflection device for optical instruments and its applications

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1171765D Expired FR1171765A (en) 1957-04-19 1957-04-19 Reflection device for optical instruments and its applications

Country Status (1)

Country Link
FR (2) FR1171765A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1252910B (en) * 1961-05-20 1967-10-26 Kern & Co Ag Optical element for influencing the direction of the telescope or circular reading beam path in optical instruments
US5513001A (en) * 1992-11-12 1996-04-30 Kabushiki Kaisha Topcon Tilt angle automatic compensator in all directions

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044343A (en) * 1958-04-17 1962-07-17 Fontguyon Marie Pierre Poit De Optical instrument of the reflection type
FR2221788B1 (en) * 1973-03-13 1978-09-29 Essilor Int

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1252910B (en) * 1961-05-20 1967-10-26 Kern & Co Ag Optical element for influencing the direction of the telescope or circular reading beam path in optical instruments
US5513001A (en) * 1992-11-12 1996-04-30 Kabushiki Kaisha Topcon Tilt angle automatic compensator in all directions

Also Published As

Publication number Publication date
FR1171765A (en) 1959-01-29

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