|
GB996975A
|
|
Semi-conductive films and methods of producing them
|
|
GB900264A
|
|
Improvements in or relating to optical encoders
|
|
GB901904A
|
|
Improvements in or relating to electrical circuits for encoders
|
|
US3058001A
|
|
Photoelectric encoder
|
|
US3063324A
|
|
Pre-set combination stop means for electrical organs
|
|
US3106618A
|
|
Mutually exclusive stop switch mechanism
|
|
US2975328A
|
|
Flash lamp assembly
|
|
US3084585A
|
|
Simulated multiple rate gyrating modulator
|
|
US3072005A
|
|
Piano construction
|
|
US2958740A
|
|
Electroacoustical transducer
|
|
GB920511A
|
|
Audio modulation system
|
|
GB923187A
|
|
Audio modulator
|
|
US3043962A
|
|
Optical encoder
|
|
US3086122A
|
|
Photoelectric chorus effect generator
|
|
US3112455A
|
|
Multi-stage amplifier with feedback
|
|
US3041568A
|
|
Renewable switch construction
|
|
US3110211A
|
|
Electronic organ construction
|
|
US3091148A
|
|
Tone color circuits for electrical organs
|
|
US3049958A
|
|
Electro-piano
|
|
US2950358A
|
|
Electromechanical transducer
|
