|
US2509545A
|
|
Television system for simultaneously modulating and projecting a plurality of light lines
|
|
US2490891A
|
|
System for remote indication and control and automatic computation
|
|
US2410538A
|
|
Prime mover
|
|
US2088732A
|
|
Motion picture record
|
|
US2030235A
|
|
Optical valve
|
|
US2053014A
|
|
Wireless transmission system
|
|
US2061016A
|
|
Natural color picture reproduction
|
|
US2100044A
|
|
Television
|
|
US1919139A
|
|
Alternating current generator
|
|
US2021162A
|
|
Apparatus for stereoscopic picture recording, reproducing, and the like
|
|
US2029401A
|
|
Method of and apparatus for obtaining optical effects by electrical means
|
|
US2025186A
|
|
Apparatus for use with modulated electrical oscillations
|
|
US2086833A
|
|
Television
|
|
US2193953A
|
|
Photoelectric cell
|
|
US2088626A
|
|
Scanning device
|
