FR407463A - Apparatus reproducing under the eyes of an observer the image of objects placed behind him - Google Patents

Apparatus reproducing under the eyes of an observer the image of objects placed behind him

Info

Publication number
FR407463A
FR407463A FR407463DA FR407463A FR 407463 A FR407463 A FR 407463A FR 407463D A FR407463D A FR 407463DA FR 407463 A FR407463 A FR 407463A
Authority
FR
France
Prior art keywords
observer
eyes
image
placed behind
objects placed
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
Marie-Alexandre-Leon Lefebure
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.)
MARIE ALEXANDRE LEON LEFEBURE
Original Assignee
MARIE ALEXANDRE LEON LEFEBURE
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 MARIE ALEXANDRE LEON LEFEBURE filed Critical MARIE ALEXANDRE LEON LEFEBURE
Application granted granted Critical
Publication of FR407463A publication Critical patent/FR407463A/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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes
FR407463D 1909-09-30 1909-09-30 Apparatus reproducing under the eyes of an observer the image of objects placed behind him Expired FR407463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR407463T 1909-09-30

Publications (1)

Publication Number Publication Date
FR407463A true FR407463A (en) 1910-03-01

Family

ID=33427735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR407463D Expired FR407463A (en) 1909-09-30 1909-09-30 Apparatus reproducing under the eyes of an observer the image of objects placed behind him

Country Status (1)

Country Link
FR (1) FR407463A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2769378A1 (en) * 1997-10-07 1999-04-09 Giat Ind Sa DEVICE FOR OBSERVING THROUGH THE WALL OF A PROTECTIVE ENCLOSURE USING AN EPISCOPE
EP3184951A1 (en) * 2015-12-21 2017-06-28 Krauss-Maffei Wegmann GmbH & Co. KG Articulated arm mirror and lookout device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2769378A1 (en) * 1997-10-07 1999-04-09 Giat Ind Sa DEVICE FOR OBSERVING THROUGH THE WALL OF A PROTECTIVE ENCLOSURE USING AN EPISCOPE
EP0908752A1 (en) * 1997-10-07 1999-04-14 Giat Industries Device for observation through the wall of a protective enclosure by means of an episcope
EP3184951A1 (en) * 2015-12-21 2017-06-28 Krauss-Maffei Wegmann GmbH & Co. KG Articulated arm mirror and lookout device
EP3184951B1 (en) 2015-12-21 2018-11-14 Krauss-Maffei Wegmann GmbH & Co. KG Collapsible periscope and vision device

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