FR875142A - Appareil accessoire pour projecteurs cinématographiques - Google Patents

Appareil accessoire pour projecteurs cinématographiques

Info

Publication number
FR875142A
FR875142A FR875142DA FR875142A FR 875142 A FR875142 A FR 875142A FR 875142D A FR875142D A FR 875142DA FR 875142 A FR875142 A FR 875142A
Authority
FR
France
Prior art keywords
accessory device
cinematographic projectors
cinematographic
projectors
accessory
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.)
Eugen Bauer GmbH
Original Assignee
Eugen Bauer 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 Eugen Bauer GmbH filed Critical Eugen Bauer GmbH
Application granted granted Critical
Publication of FR875142A publication Critical patent/FR875142A/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
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR875142D 1940-08-01 1941-08-18 Appareil accessoire pour projecteurs cinématographiques Expired FR875142A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE875142X 1940-08-01

Publications (1)

Publication Number Publication Date
FR875142A true FR875142A (fr) 1942-09-07

Family

ID=6817143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875142D Expired FR875142A (fr) 1940-08-01 1941-08-18 Appareil accessoire pour projecteurs cinématographiques

Country Status (1)

Country Link
FR (1) FR875142A (fr)

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