GB191220151A - Improvements in Lanterns for Projecting Kinematographic Pictures. - Google Patents

Improvements in Lanterns for Projecting Kinematographic Pictures.

Info

Publication number
GB191220151A
GB191220151A GB191220151DA GB191220151A GB 191220151 A GB191220151 A GB 191220151A GB 191220151D A GB191220151D A GB 191220151DA GB 191220151 A GB191220151 A GB 191220151A
Authority
GB
United Kingdom
Prior art keywords
projecting
lanterns
kinematographic
pictures
kinematographic pictures
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
Inventor
George Robson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191220151A publication Critical patent/GB191220151A/en
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
    • G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
    • G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
    • G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

20,151. Robson, G. Sept. 4. Optical-projection apparatus.-In a projecting-lantern, a positive supplementary projecting- lens 9 is provided located between the filmgate 5 and the objective 2; a supplementary condensing-lens 15 located between the lantern and the film-gate may also be provided.
GB191220151D 1912-09-04 1912-09-04 Improvements in Lanterns for Projecting Kinematographic Pictures. Expired GB191220151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191220151T 1912-09-04

Publications (1)

Publication Number Publication Date
GB191220151A true GB191220151A (en) 1913-07-10

Family

ID=32643081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191220151D Expired GB191220151A (en) 1912-09-04 1912-09-04 Improvements in Lanterns for Projecting Kinematographic Pictures.

Country Status (1)

Country Link
GB (1) GB191220151A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222981A (en) * 1961-11-24 1965-12-14 James W Lucas Two-element projection lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222981A (en) * 1961-11-24 1965-12-14 James W Lucas Two-element projection lens

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