DK54682C
(en )
1938-05-02
Apparatus for continuous writing and reproduction of photographic sound and tone streaks.
DK43946C
(en )
1931-03-30
Relief-patterned film for simultaneous reproduction of color images and sound.
DK40804C
(en )
1929-09-23
Procedure for Capturing and Reproducing Photographic and Cinematographic Images with Natural Colors.
ES109451A1
(en )
1928-10-16
Apparatus for the reproduction of photographs and sounds.
FR666816A
(en )
1929-10-07
Cinematographic film rewinder
DK43944C
(en )
1931-03-30
Procedure for Continuous Reproduction of Images of a Relief-Patterned Film on Another Relief-Patterned Film and Device for Execution of the Procedure.
DK46426C
(en )
1932-11-07
Device for Receiving and Reproducing Sound.
DK38789C
(en )
1928-05-21
Procedure for Making Cinematographic Color Films.
DK42610C
(en )
1930-07-14
Procedure and arrangement of sound recording systems on a photosensitive film.
DK46385C
(en )
1932-10-31
Performance Film for Reproduction of Sound and Procedure for Recording Sound according to the Intensity Method.
DK32687C
(en )
1923-12-31
Apparatus for recording and reproducing sounds and vivid images.
DK48414C
(en )
1934-02-19
Procedure and Film for the Screening of Natural Cinema Images.
DK42626C
(en )
1930-07-21
Apparatus for recording and reproducing sound.
DK42989C
(en )
1930-09-15
Procedure for Reproducing Transparent Color Photographs.
ES121436A1
(en )
1931-02-16
Procedure of photographic and cinematographic bichromia.
DK43172C
(en )
1930-10-13
Method and Apparatus for the production of photographic color images, in particular cinematographic images.
DK49088C
(en )
1934-08-06
Procedure for Making Tone and Picture Films.
DK44181C
(en )
1931-06-01
Procedure for the production of so-called tone films with color images.
DK41485C
(en )
1930-01-20
Procedure for Reproduction of Embossed Films.
DK40876C
(en )
1929-10-07
Device for Reproduction of Cinematographic Films.
DK44653C
(en )
1931-09-28
Method for reproducing photographic color images of another relief-patterned film on a relief-patterned film.
FR715057A
(en )
1931-11-25
Talking film reproduction apparatus
FR680942A
(en )
1930-05-07
Sound cinematographic film
ES120151A1
(en )
1930-11-16
Improvements in the procedures of impressed and reproduction of sounds.
ES126730A1
(en )
1932-06-16
DEVICE FOR IMPRESSING AND PLAYING SOUND CINEMA TAPES.