FR1063926A - Perfectionnements aux visionneuses - Google Patents

Perfectionnements aux visionneuses

Info

Publication number
FR1063926A
FR1063926A FR1063926DA FR1063926A FR 1063926 A FR1063926 A FR 1063926A FR 1063926D A FR1063926D A FR 1063926DA FR 1063926 A FR1063926 A FR 1063926A
Authority
FR
France
Prior art keywords
viewers
enhancements
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
English (en)
Inventor
Gerard Gay
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.)
REPARATION D APP PHOTOGRAPHIQU
Original Assignee
REPARATION D APP PHOTOGRAPHIQU
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 REPARATION D APP PHOTOGRAPHIQU filed Critical REPARATION D APP PHOTOGRAPHIQU
Application granted granted Critical
Publication of FR1063926A publication Critical patent/FR1063926A/fr
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
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • G02B27/025—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and magnifying means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1063926D 1952-07-02 1952-07-02 Perfectionnements aux visionneuses Expired FR1063926A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1063926T 1952-07-02

Publications (1)

Publication Number Publication Date
FR1063926A true FR1063926A (fr) 1954-05-10

Family

ID=9601414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1063926D Expired FR1063926A (fr) 1952-07-02 1952-07-02 Perfectionnements aux visionneuses

Country Status (1)

Country Link
FR (1) FR1063926A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968125A (en) * 1989-08-07 1990-11-06 Victor Rodriquez Hand-held magnifier device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968125A (en) * 1989-08-07 1990-11-06 Victor Rodriquez Hand-held magnifier device

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