DK46724C
(en )
1933-01-02
Device for Recording Films which, by Reproduction, produces spatially acting cinematographic images.
DK50745C
(en )
1935-10-07
Method for mechanical recording of sound oscillations to be reproduced by optical means.
DK48286C
(en )
1934-01-22
Procedure for Amplitude Control by Recording Sounds Photographically.
DK46707C
(en )
1933-01-02
Device for systems for reproducing recorded sounds.
DK50169C
(en )
1935-04-23
Recording means, such as an audio recording means, e.g. a gramophone record, or the subject of such.
DK42151C
(en )
1930-05-05
Projection apparatus for reproducing on one relief-patterned film of color images recorded on another relief-patterned film.
DK24055C
(en )
1919-02-10
Procedure for Refreshing Gramophone Records.
DK46511C
(en )
1932-11-21
Device for sound recording on gramophone records.
DK66974C
(en )
1948-06-07
Procedure for Recording Sound Phenomena Using a Midrange Carrier.
DK76764C
(en )
1953-11-30
Apparatus for recording or reproducing images.
DK52223C
(en )
1936-09-28
Electromagnetic recording apparatus, in particular for recording sound tracks.
DK34348C
(en )
1925-04-06
Procedure for Playback of Talking Movies.
DK46821C
(en )
1933-01-23
Procedure for the Contrast Generation of Regenerated Cellulose by Photochemical Method.
ES116050A3
(en )
1930-01-16
A DEVICE FOR SYNCHRONOUS PLAYBACK OF OPTICAL ACUTE SCENES OR EPISODES, ESPECIALLY FOR CINEMATOGRAPHIC PURPOSES.
DK58571C
(en )
1941-04-07
Sound head for scanning magnetograms with different reproduction speeds from the recording speed.
DK13931C
(en )
1910-11-28
Apparatus for Cooling Storage Space.
DK43785C
(en )
1931-03-02
Apparatus for recording sound on a light-sensitive film.
DK48511C
(en )
1934-03-12
Apparatus for devices for indicating stops on trams.
DK32214C
(en )
1923-09-03
Method for Manufacturing Recording Plates for Indirect Three-Color Photography.
DK53397C
(en )
1937-08-02
Optical copier Copying photographic tone transcripts recorded on a tone stripe.
DK23928C
(en )
1918-12-23
Apparatus for recording and reproducing talking, live images.
DK42997C
(en )
1930-09-22
Procedure for cooling using solid carbon dioxide as refrigerant.
ES122282A1
(en )
1931-04-16
A procedure with the corresponding device, for obtaining films or other sound surfaces, for reading by phonographic needle.
DK32005C
(en )
1923-07-23
Apparatus for reproducing or recording sound.
DK69599C
(en )
1949-07-18
Projection device for continuous, automatic reproduction of single images.