Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver
Patent
1996-12-20
1998-09-22
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Beacon or receiver
342440, 342431, G01S 504
Patent
active
058120920
ABSTRACT:
A radiocommunications and localization device of the type comprising an array of antennas coupled respectively to a goniometer device and a radio receiver delivering phonic signals to an operator respectively on two headphones. This device includes a device to identify the position of the operator's head and a device for the generation of phonic signals that is coupled to the goniometer device, the radio receiver and the identifying device for the application, respectively to the headphones, of the mutually phase-shifted phonic signals so as to give the operator the impression that the phonic signal that he hears is coming from the direction of arrival of the radiowaves determined by the goniometer device. The applications of this device relate to the radio-localization of persons moving in groups.
REFERENCES:
patent: 3816833 (1974-06-01), Ryan
patent: 3872477 (1975-03-01), King
patent: 4318106 (1982-03-01), Medtke
patent: 4475106 (1984-10-01), Andrews
patent: 4945312 (1990-07-01), Auger et al.
patent: 5307509 (1994-04-01), Michalon et al.
Patent Abstracts of Japan, vol. 8, No. 142, (E-254), Jul. 3, 1984, JP-A-59-052927, (Honda Giken Kogyo KK.), Mar. 27, 1984, Abridged.
Auger Gerard
Bacelon Olivier
"Thomson-CSF"
Phan Dao L.
Tarcza Thomas H.
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