Matches 201 - 219 out of 219 < 1 2 3 4 5
Match Document Document Title
3829610 APPARATUS FOR SIMULTANEOUS REPRODUCTION OF VISIBLE AND AUDIBLE INFORMATION  
Apparatus for simultaneous reproduction of audible and visible information employs a rotary disk having several concentric tracks of recorded visible information and several concentric helical...
3770886 ONE DIMENSIONAL HOLOGRAPHIC RECORDING OF ELECTRICAL SIGNALS  
The present invention is directed to a method of recording information, which is in the form of electrical signals, on a storage medium by simultaneously exposing the light sensitive storage medium...
3612835 COMBINED OPTICAL AND MAGNETIC TRANSDUCER  
A combined optical and magnetic transducer for sensing both optical and magnetic properties of an article, for example, a piece of paper currency or other document having both visible and magnetic...
3484751 STORAGE AND RETRIEVAL OF GRAPHIC INFORMATION  
3427597 MAGNETIC AND ELECTROSTATIC RECORDING TECHNIQUE  
3373997 Record  
3246085 Method of manufacturing phonograph records  
3239841 Medium for combined thermoplastic and magnetic recording  
3075178 Information retrieval and storage systems  
3017466 Magnetic quarter-stripe sound tracks for 16 mm. film  
3014991 Discriminatory control network for recording systems  
3005058 Apparatus for use in producing sound motion picture films  
2958737 Signal recording system  
2950971 Multiple sound tracks  
2941044 Controlled sound reproduction  
2921992 Phonograph apparatus  
2852616 Means for editing sound recordings  
2833866 Voice-controlled dictation-recording system  
2786894 Stereophonic sound and rerecording system  
Matches 201 - 219 out of 219 < 1 2 3 4 5