GB188751A - Improvements in or connected with cinematograph and other lantern screens - Google Patents

Improvements in or connected with cinematograph and other lantern screens

Info

Publication number
GB188751A
GB188751A GB2146921A GB2146921A GB188751A GB 188751 A GB188751 A GB 188751A GB 2146921 A GB2146921 A GB 2146921A GB 2146921 A GB2146921 A GB 2146921A GB 188751 A GB188751 A GB 188751A
Authority
GB
United Kingdom
Prior art keywords
cinematograph
lantern
screens
lantern screens
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
GB2146921A
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
Priority to GB2146921A priority Critical patent/GB188751A/en
Publication of GB188751A publication Critical patent/GB188751A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB2146921A 1921-08-12 1921-08-12 Improvements in or connected with cinematograph and other lantern screens Expired GB188751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2146921A GB188751A (en) 1921-08-12 1921-08-12 Improvements in or connected with cinematograph and other lantern screens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2146921A GB188751A (en) 1921-08-12 1921-08-12 Improvements in or connected with cinematograph and other lantern screens

Publications (1)

Publication Number Publication Date
GB188751A true GB188751A (en) 1922-11-13

Family

ID=10163463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2146921A Expired GB188751A (en) 1921-08-12 1921-08-12 Improvements in or connected with cinematograph and other lantern screens

Country Status (1)

Country Link
GB (1) GB188751A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977412A (en) * 1958-03-25 1961-03-28 Rca Corp Light reflection reducing device
US4121234A (en) * 1975-08-21 1978-10-17 Vivitar Corporation Focusing and projection screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977412A (en) * 1958-03-25 1961-03-28 Rca Corp Light reflection reducing device
US4121234A (en) * 1975-08-21 1978-10-17 Vivitar Corporation Focusing and projection screen

Similar Documents

Publication Publication Date Title
GB188751A (en) Improvements in or connected with cinematograph and other lantern screens
US1444735A (en) Light-diffusing curtain
GB178136A (en) Improvements in or relating to cinematograph projection lanterns and the like
GB189760A (en) Improvements in posts
GB175830A (en) Improvements in and connected with cinematograph shutters
GB194437A (en) Improvements in and relating to apparatus connected with stereoscopic and ordinary photographic lantern slide projection
GB170739A (en) Improvements in screens for use in connection with kinematograph and similar apparatus
GB179599A (en) Improvements in or relating to cinematograph shutters
GB175480A (en) Improvements in screens for kinematograph pictures and the like
GB188029A (en) Improvements in gramophones and the like
GB177192A (en) Improvements in or relating to screens for use with cinematograph projectors
FR545401A (en) Improvements in headlights, projectors and the like
GB187082A (en) Improvements in photographic objectives
GB171818A (en) Improvements in or connected with moving-picture appliances or kinematographs
GB176369A (en) Improvements in or relating to cinematographic projection screens
GB169566A (en) Improvements in and relating to cinematograph screens
GB166015A (en) Improvements in and relating to cinematograph screens
GB188111A (en) Improvements in or relating to kinematograph screens
GB188421A (en) Improvements in photometers and the like
GB175834A (en) Improvements in kinematograph cameras and the like
GB182177A (en) Improvements in and connected with gramophones
GB194031A (en) Improvements in cinematograph mechanism
GB181782A (en) Improvements in or relating to projection screens
GB169960A (en) Improvements in lenses for kinematographic and other purposes
GB167472A (en) Improvements in lenses for kinematographic and other purposes