Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Iff or sif
Patent
1996-10-11
1998-04-21
Pihulic, Daniel T.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Iff or sif
367 2, G01S 1378
Patent
active
057422516
ABSTRACT:
The harness comprises a plurality of elements, such as light detectors, a laser emitter and a master control unit. The elements are communicating by means of ultrasonic signals. Such signals provide a secure communication over a short distance while being impossible to detect from larger distances. Upon initialization of the harness, the master control unit initializes all elements to respond to a common identification code, which identification code can be updated automatically during later operation.
REFERENCES:
patent: 4545583 (1985-10-01), Pearman et al.
patent: 4899039 (1990-02-01), Taylor et al.
patent: 5164734 (1992-11-01), Fredericks et al.
patent: 5426295 (1995-06-01), Parikh et al.
patent: 5447436 (1995-09-01), Campagnuolo et al.
patent: 5479408 (1995-12-01), Will
Oerlikon-Contraves AG
Pihulic Daniel T.
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