Electrical control apparatus
United States Patent 2947875

Inventors:
Beck, Kenneth H.
Publication Date:
08/02/1960
View Patent Images:
Download PDF 2947875 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
HONEYWELL REGULATOR CO
Primary Class:
250/214R
Other Classes:
250/210, 361/175, 219/501, 250/231.100, 331/117R, 327/514, 250/231.130
International Classes:
G05D23/22; G05D23/20
US Patent References:
2313917Control of power actuated machinery
2559266Oscillator controlled relay system
2579336Stabilized transistor trigger circuit
2584990Transitor counting system
2592683Storage device utilizing semiconductor
2691077Transistor power amplifier
2695381Follow-up type of measuring apparatus
2759124Automatic dimming system
2761052Electric temperature control
2765986Photo-transistor control system