CA469927A - Screens for picture projection - Google Patents

Screens for picture projection

Info

Publication number: CA469927A
Authority: CA; Canada
Prior art keywords: screens; picture projection; picture; projection
Prior art date: 1950-12-05
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

CA469927A

Other languages

French (fr)

Inventor

Waller Fred

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.)

VITARAMA Corp

Original Assignee

VITARAMA Corp

Publication date

1950-12-05

1950-12-05 Application granted granted Critical

1950-12-05 Publication of CA469927A publication Critical patent/CA469927A/en

Status Expired legal-status Critical Current

Links

CA469927A Screens for picture projection Expired CA469927A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA469927T

Publications (1)

Publication Number	Publication Date
CA469927A true CA469927A (en)	1950-12-05

Family

ID=35603867

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA469927A Expired CA469927A (en)			Screens for picture projection

Country Status (1)

Country	Link
CA (1)	CA469927A (en)

0
- CA CA469927A patent/CA469927A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
CA469927A (en)	1950-12-05	Screens for picture projection
CA469403A (en)	1950-11-14	Viewing screens
AU141009B2 (en)	1949-09-29	Screens for picture projection
CA464259A (en)	1950-04-11	Cinematograph projection apparatus
CA477428A (en)	1951-10-02	Projection screens
CA469573A (en)	1950-11-21	Rear-projection screens
CA469816A (en)	1950-12-05	Cinematograph projectors
AU2899549A (en)	1949-09-29	Screens for picture projection
CA466385A (en)	1950-07-04	Image projection system
CA468829A (en)	1950-10-17	Methods of making picture projector screens
CA468539A (en)	1950-10-03	Image projection systems
CA465085A (en)	1950-05-16	Motion picture screen
CA475048A (en)	1951-07-03	Motion picture projectors
CA477478A (en)	1951-10-02	Motion picture projection machines
CA455735A (en)	1949-04-05	Image projection system
CA467640A (en)	1950-08-29	Catadioptric television projectors
CA467332A (en)	1950-08-15	Portable picture screens
AU164619B2 (en)	1953-01-22	Projection screens
AU152169B2 (en)	1951-02-22	Anew or improved rear projection screen unit for picture projection
CA472555A (en)	1951-03-27	Motion picture projection apparatus
CA466310A (en)	1950-07-04	Projection unit
CA463053A (en)	1950-02-07	Television projection tube
CA469332A (en)	1950-11-14	Shutters for motion picture apparatus
CA480913A (en)	1952-02-05	Projection screen
AU1425452A (en)	1953-01-22	Projection screens