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Television channel indicator
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Piezoelectric crystal device
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Cable television monitoring system
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PROCEDURES AND ALARMS FOR SAFETY OF A PLACE TO BE PROTECTED
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Single channel converter for television antenna collection systems
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Solid state control circuit for use in vending machines
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Rotary solenoid ratchet switch
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Reflective readout device
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Control knob for multiturn rotary switch
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Control knob for multiturn rotary switch
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Multiple switch assembly with improved reciprocating leaf spring contact cam actuator
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Band pass filter with transmission line section
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Security system including means for polling the premises to be protected
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Electromechanical clutch
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Multiple clutches for a tv tuner
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Fine tune mechanism
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Snap switch
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Flexible printed circuit forming contact surface around stator of rotary switch
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Linear switch housing assembly with multiple removable contact units
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Stepping assembly and circuit
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