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FR368488A - Electrically controlled optical instrument - Google Patents

Electrically controlled optical instrument

Info

Publication number
FR368488A
FR368488A FR368488DA FR368488A FR 368488 A FR368488 A FR 368488A FR 368488D A FR368488D A FR 368488DA FR 368488 A FR368488 A FR 368488A
Authority
FR
France
Prior art keywords
electrically controlled
optical instrument
controlled optical
instrument
electrically
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
John Charles Fredell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR368488A publication Critical patent/FR368488A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
    • G02B23/18—Housings; Caps; Mountings; Supports, e.g. with counterweight for binocular arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR368488D 1906-07-28 1906-07-28 Electrically controlled optical instrument Expired FR368488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR368488T 1906-07-28

Publications (1)

Publication Number Publication Date
FR368488A true FR368488A (en) 1906-11-29

Family

ID=1415552

Family Applications (1)

Application Number Title Priority Date Filing Date
FR368488D Expired FR368488A (en) 1906-07-28 1906-07-28 Electrically controlled optical instrument

Country Status (1)

Country Link
FR (1) FR368488A (en)

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