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
GB52039A
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.)
Kolster Brandes Ltd
Original Assignee
Kolster Brandes Ltd
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 Kolster Brandes LtdfiledCriticalKolster Brandes Ltd
Priority to GB52039ApriorityCriticalpatent/GB528444A/en
Publication of GB528444ApublicationCriticalpatent/GB528444A/en
H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
Landscapes
Engineering & Computer Science
(AREA)
Multimedia
(AREA)
Signal Processing
(AREA)
Video Image Reproduction Devices For Color Tv Systems
(AREA)
Abstract
528,444. Projection screens; television receivers. KOLSTER-BRANDES, Ltd., and SHANNON, D. S. B. Jan. 6, 1939, No. 520. [Class 97 (i)] [Also in Group XL] Images are projected on to a screen of gold or bronze colour from primary images on a fluorescent screen comprising zinc orthosilicate, Willimite, or a mixture of them. The primary images may be formed by cathode ray tubes in television receivers, cathode ray oscillographs &c.
GB52039A1939-01-061939-01-06Improvements in television receivers of the optical projection type and other image projection systems
ExpiredGB528444A
(en)