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
GB24399/29A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Publication of GB334359ApublicationCriticalpatent/GB334359A/en
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
G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Television Signal Processing For Recording
(AREA)
Auxiliary Devices For Music
(AREA)
Abstract
334,359. I. G. rarbenindustrie Akt.- Ges. Jan. 3, 1929, [Convention date Addition to 315,842. Record, combined phonographic and kinematographic; printing. - The process of making combined sound and kinematographic records claimed in the parent Specification is modified by placing a yellow screen before the picture film when making the prints.
GB24399/29A1929-01-031929-08-09Improvements in combined sound and moving picture films
ExpiredGB334359A
(en)