United States Patent [19] [11] Patent Number: 4,725,395
Gasparaitis et al. [45] Date of Patent: Feb. 16, 1988
[54] ANTENNA AND METHOD OF
MANUFACTURING AN ANTENNA
[75] Inventors: Bernard V. Gasparaitis, Tamarac;
Thomas W. Long, Coral Springs;
Kazimierz Siwiak, Sunrise, all of Fla.
[73] Assignee: Motorola, Inc., Schaumburg, 111.
[21] Appl. No.: 689,117
[22] Filed: Jan. 7,1985
[51] Int CL* B29C 45/14; B29C 45/16;
H01Q 1/40
[52] U.S. CL 264/250; 264/272.15;
264/272.19; 264/262; 29/601; 29/856; 343/873;
343/895
[58] Field of Search 343/895, 715, 872, 873,
343/749; 264/272.19, 275, 272.11, 272.12, 272.14, 272.15, 274, 250, 272.16, 262; 336/205, 192; 29/600, 601, 602 R, 856
[56] References Cited
U.S. PATENT DOCUMENTS
3,368,175 2/1968 Giegerich et al 336/96
3,590,329 6/1971 Krepps 264/272.19
3,605,046 9/1971 Miller 333/95
3,737,910 6/1973 Francis et al 343/895
3,774,221 11/1973 Francis 343/749
3,781,899 12/1973 Lockwood 343/895
3,828,353 8/1974 Majkrzak et al 343/873
4,083,902 4/1978 Clyde 264/261
4,086,596 4/1978 Gauss et al 343/749
4,193,185 3/1980 Liautaud 264/272.19
4,205,319 5/1980 Gasparaitis et al 343/792
4,255,735 3/1981 Liautaud 343/715
4,375,642 3/1983 Dome et al 343/895
4,435,713 3/1984 Gasparaitis et al 343/702
4,435,716 3/1984 Zandbergen 343/895
Primary Examiner—William L. Sikes
Assistant Examiner—Michael C. Wimer
Attorney, Agent, or Firm—Daniel K. Nichols; Joseph T.
Downey; Anthony J. Sarli
[57] ABSTRACT
This antenna includes a helically formed wire coil having a lower end that is positioned in a connector a solid dielectric material is injection molded into the coil and connector to precisely maintain the coil dimensions and support the coil. An outer cover is injection molded over the coil and dielectric material.
3 Claims, 5 Drawing Figures
