|
WO2020086836A2
|
|
System and method for repurposing 120vac wiring architecture to retrofitable low voltage dc power 2-wire led dimming
|
|
US4293821A
|
|
Audio channel separating apparatus
|
|
US4206415A
|
|
Audio amplitude detector circuit
|
|
US4169566A
|
|
Film supply and take-up system for motion picture projector
|
|
US4105311A
|
|
Film transport system
|
|
US4010910A
|
|
Film supply and take-up system for motion picture projector
|
|
US4022525A
|
|
Intermittent film drive for motion picture projector
|
|
US3988626A
|
|
Magnetically stabilized xenon arc lamp
|
|
US3718388A
|
|
Pick-off device
|
|
US3684144A
|
|
Film tensioning device for motion picture projectors
|
|
US3684358A
|
|
Apparatus for controlling theater or auditorium functions
|
|
US3651441A
|
|
Electrical junction box
|
|
US3640611A
|
|
Control for motion picture projectors
|
|
US3663936A
|
|
Admission system for drive-in enterprises
|
|
US3639046A
|
|
Pickoff device
|
|
US3587866A
|
|
Latching device for food trays
|
|
US3578855A
|
|
Projector frame control
|
|
US3508819A
|
|
Apparatus for projecting film and the like
|
|
US3467762A
|
|
Universal junction box for drive-in theater heaters
|
|
US3362543A
|
|
Locking arrangement for food trays
|
