FR487421A - Planetary motion device for optical instruments - Google Patents

Planetary motion device for optical instruments

Info

Publication number
FR487421A
FR487421A FR487421DA FR487421A FR 487421 A FR487421 A FR 487421A FR 487421D A FR487421D A FR 487421DA FR 487421 A FR487421 A FR 487421A
Authority
FR
France
Prior art keywords
motion device
optical instruments
planetary motion
planetary
instruments
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)
Inventor
Alexandre Durand
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.)
ALEXANDRE DURAND
Original Assignee
ALEXANDRE DURAND
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 ALEXANDRE DURAND filed Critical ALEXANDRE DURAND
Application granted granted Critical
Publication of FR487421A publication Critical patent/FR487421A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR487421D 1917-11-05 1917-11-05 Planetary motion device for optical instruments Expired FR487421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487421T 1917-11-05

Publications (1)

Publication Number Publication Date
FR487421A true FR487421A (en) 1918-07-03

Family

ID=1523908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487421D Expired FR487421A (en) 1917-11-05 1917-11-05 Planetary motion device for optical instruments

Country Status (1)

Country Link
FR (1) FR487421A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456214A (en) * 1947-03-28 1948-12-14 Poe Bryce Peep sight for firearms
US3396343A (en) * 1962-10-11 1968-08-06 Philips Corp Optical maser with an adjusting mechanism for a mirror

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456214A (en) * 1947-03-28 1948-12-14 Poe Bryce Peep sight for firearms
US3396343A (en) * 1962-10-11 1968-08-06 Philips Corp Optical maser with an adjusting mechanism for a mirror

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