FR768144A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR768144A
FR768144A FR768144DA FR768144A FR 768144 A FR768144 A FR 768144A FR 768144D A FR768144D A FR 768144DA FR 768144 A FR768144 A FR 768144A
Authority
FR
France
Prior art keywords
projection device
projection
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)
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.)
Sipro S A
Original Assignee
Sipro S A
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 Sipro S A filed Critical Sipro S A
Application granted granted Critical
Publication of FR768144A publication Critical patent/FR768144A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR768144D 1934-01-30 1934-02-05 Appareil de projection Expired FR768144A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH768144X 1934-01-30

Publications (1)

Publication Number Publication Date
FR768144A true FR768144A (fr) 1934-07-31

Family

ID=4535179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768144D Expired FR768144A (fr) 1934-01-30 1934-02-05 Appareil de projection

Country Status (1)

Country Link
FR (1) FR768144A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191218B (de) * 1963-02-22 1965-04-15 Rodenstock Optik G Kunststoff-Fassung fuer optische Systeme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191218B (de) * 1963-02-22 1965-04-15 Rodenstock Optik G Kunststoff-Fassung fuer optische Systeme

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