James Teran resumes & CV records
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James Emanuel Teran, Age 583632 Whitten St, Chandler, AZ 85226
James Teran Phones & Addresses
3632 Whitten St, Chandler, AZ 85226 (480) 814-8271
Tempe, AZ
Mesa, AZ
Deming, NM
3632 W Whitten St, Chandler, AZ 85226 (623) 487-1046
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James Emanuel Teran
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High school graduate or higher
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Us Patents
Dual Pattern Antenna For Portable Communications Devices
US Patent:
6160516, Dec 12, 2000
Filed:
Oct 7, 1999
Appl. No.:
9/414110
Inventors:
James Emanuel Teran - Chandler AZ
Archer David Munger - Mesa AZ
Archer David Munger - Mesa AZ
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H01Q 136
US Classification:
343702
Abstract:
A dual pattern antenna (FIG. 1, 20) functions as a bi-filar or quadrifilar helical antenna depending of the location of the feed element (FIG. 4, 120). When the feed element (120), within the hollow dielectric tube (FIG. 4, 140), is used to feed the antenna (20) at a distal end portion (FIG. 4, 142) the antenna functions as a bi-filar helical antenna and exhibits a relatively omnidirectional radiation pattern (FIG. 3, 70). When the feed element is used to feed the antenna at a proximal end portion (FIG. 4, 141), the antenna (20) functions as a quadrifilar helical antenna having a radiation pattern which exhibits desirable gain properties in the area above the antenna (FIG. 4, 40). The use of capacitive coupling allows the feed element (120) to slide within the hollow dielectric tube (140) so that the pattern of the antenna can be quickly changed, thus making the antenna well-suited for portable communications devices such as satellite cellular telephones.
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