FR2025946A1 - - Google Patents

Info

Publication number
FR2025946A1
FR2025946A1 FR6942383A FR6942383A FR2025946A1 FR 2025946 A1 FR2025946 A1 FR 2025946A1 FR 6942383 A FR6942383 A FR 6942383A FR 6942383 A FR6942383 A FR 6942383A FR 2025946 A1 FR2025946 A1 FR 2025946A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6942383A
Other languages
French (fr)
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
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 Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of FR2025946A1 publication Critical patent/FR2025946A1/fr
Withdrawn legal-status Critical Current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
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
FR6942383A 1968-12-12 1969-12-08 Withdrawn FR2025946A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681814131 DE1814131A1 (de) 1968-12-12 1968-12-12 Projektor mit Nachlaufsteuerung fuer den Lueftmotor

Publications (1)

Publication Number Publication Date
FR2025946A1 true FR2025946A1 (enrdf_load_stackoverflow) 1970-09-11

Family

ID=5715965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6942383A Withdrawn FR2025946A1 (enrdf_load_stackoverflow) 1968-12-12 1969-12-08

Country Status (4)

Country Link
DE (1) DE1814131A1 (enrdf_load_stackoverflow)
FR (1) FR2025946A1 (enrdf_load_stackoverflow)
GB (1) GB1257132A (enrdf_load_stackoverflow)
SE (1) SE350853B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2509955C2 (de) * 1975-03-07 1982-05-13 Fa. Ed. Liesegang, 4000 Düsseldorf Schutzschaltung zur Abschaltung der Projektionslampe in einem Projektor

Also Published As

Publication number Publication date
SE350853B (enrdf_load_stackoverflow) 1972-11-06
GB1257132A (enrdf_load_stackoverflow) 1971-12-15
DE1814131A1 (de) 1970-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse