Communications: radio wave antennas – Antennas – Spiral or helical type
Patent
1997-09-29
2000-01-25
Wong, Don
Communications: radio wave antennas
Antennas
Spiral or helical type
343702, 29600, H01Q 136
Patent
active
060183268
ABSTRACT:
Radiotelephone antennas include rigid antenna elements integral to the antenna substrate or housing. As such, the present invention configures the antenna without requiring a separate flex circuit winding to provide the conductive windings in the antenna. Methods for fabrication of the antenna are also described. Preferably, the antenna is formed in a two-shot molding process.
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patent: 4853660 (1989-08-01), Schloemann
patent: 5198831 (1993-03-01), Burrell
patent: 5341149 (1994-08-01), Valimaa et al.
patent: 5403197 (1995-04-01), Ernst et al.
patent: 5635945 (1997-06-01), McConnell et al.
patent: 5678201 (1997-10-01), Thill
PCT International Search Report, International Application No. PCT/US98/20304.
Ericsson Inc.
Ho Tan
Wong Don
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