Title:
Fault indicating apparatus
United States Patent 2672601
Inventors:
Guy, Welby Brian
Publication Date:
03/16/1954
Export Citation:
Click for automatic bibliography generation
Assignee:
FERRANT LTD
Primary Class:
340/679
Other Classes:
178/23A, 340/686.1, 714/798, 714/811
International Classes:
G06K5/02; G06K5/00
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US Patent References:
2389204Alarm signal system for automatic valves
2369678Electrical remote control or supervisory system
2293708Error detector for telegraph printers
1914481Meter controlled relay mechanism
1784504Variable-speed control device
0687948N/A
0561431N/A