Title:
PERSONNEL LOCATION SYSTEM
United States Patent 3439320
US Patent References:
Device for registering the locations of personnel
- - 2499475
Position indication and control system for moving objects or vehicles
- - 2535162
Panoramic scanning counter
- - 3115622
Frequency responsive signalling system employing selective plural frequencies
- - 3238503
Device for registering the locations of personnel
- - 2499475
Position indication and control system for moving objects or vehicles
- - 2535162
Panoramic scanning counter
- - 3115622
Frequency responsive signalling system employing selective plural frequencies
- - 3238503
Inventors:
Ward, James E.
Publication Date:
04/15/1969
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Export Citation:
Assignee:
RELTON CORP
Primary Class:
Other Classes:
367/910, 340/825.490, 340/572.100, 367/117, 367/111
International Classes:
G08B3/10; G08B3/00; G01S3/80