Personal positioning satellite navigator with printed quadrifila

Details Personal positioning satellite navigator with printed quadrifila Personal positioning satellite navigator with printed quadrifila

1990-09-26

1993-03-30

Hille, Rolf

Communications: radio wave antennas

Antennas

Spiral or helical type

343701, 343850, H01Q 1360, H01Q 11080, H01Q 23000

Patent

active

051988313

ABSTRACT:
A navigation unit (10) for receiving navigation signals from a source thereof such as global positioning satellites is configured to rack mount and connect with a remote fixed antenna and for detached, self-powered operation using a directly mounted helical antenna (14). The preferred antenna (14) includes antenna elements composed of a thin film of conductive material (50) printed on a flexible dielectric substrate (44) rolled into a tubular configuration.

REFERENCES:
patent: 3523251 (1970-08-01), Halstead
patent: 4148030 (1979-04-01), Foldes
patent: 4349824 (1982-09-01), Harris
patent: 4554554 (1985-11-01), Oleson et al.
patent: 4970523 (1990-11-01), Braisted et al.
patent: 5134422 (1992-07-01), Auriol
Bricker et al., S-Band Resonant Quadrifilar Antenna For Satellite Communcations, RCA Engineer, 1974, pp. 70-73.
Lohse, V. K., Eine Antenne f/e,uml/u/ r alle Wetter, Funkschau 23/1989, pp. 57-59.
Magellan Advertisement entitled "Magellan Hits the Mark With Affordable GPS Positioning"; Magellan Systems Corporation, Monrovia, Calif. 91016, 2 pages.
Megellan Advertisement entitled "Megellan Puts GPS In Your Grasp"; Megellan Systems Corporation, Monrovia, Calif. 91016, 2 pages.
Trimble Navigation Advertisement entitled"TransPak GPS Hand-held GPS Receiver"; Trimble Navigation, Sunnyvale, Calif. 94088, 2 pages.
Trimble Navigation Advertisement entitled "10X Navigator LORAN/GPS Navigation System"; Trimble Navigation, Sunnyvale, Calif. 94088, 2 pages.
Trimble Navigation Advertisement entitled "NavGraphic II GPS/LORAN Navigation System"; Trimble Navigation, Sunnyvale, Calif. 94038, 2 pages.
Marinetek Advertisement entitled "Marinetek SeaFix GP7"; Marinetek; San Jose, Calif. 95131, 4 pages.
Shipmate Advertisement entitled "RS5300 GPS Satellite Navigator Continuously Provides An Accurate Position Anywhere On Earth Regardless Of Weather Conditions"; Robertson-Shipmate, Inc., Hauppauge, N.Y. 11788, 2 pages.
Koden Advertisement entitled "GPS Navigator KGP-900"; Koden International Incorporated, Norwell, Mass. 02061, 2 pages.
Magnavox Advertisement entitled "Magnavox MX5400 GPS Navigator"; Magnavox, Torrance, Calif. 90503, 2 pages.
Navstar Advertisement entitled "Navstar GPS-XR4"; Navstar, 1 page.
Magnavox Advertisement entitled "MX4102 Transit Navigator & MX 4200 GPS Receiver"; Magnavox, Torrance, Calif. 90503, 4 pages.
Magellan Advertisement entitled "Megellan Puts Affordable GPS Technology At Your Fingertips"; Magellan, Monrovia, Calif. 91016, 1 page.
Sony Advertisement entitled "Sony GPS", 1 page Jan. 30, 1990.
Micrologic Advertisement entitled "Micrologic Explorer GPS"; Micrologic; Chatsworth, Calif. 91311, 1 page.

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