Source: https://patents.google.com/patent/US20010004248?oq=7%2C181%2C690
Timestamp: 2018-03-24 11:08:26
Document Index: 716775802

Matched Legal Cases: ['art 13', 'art 9', 'art 13', 'art 14', 'art 14', 'art 82', 'art 24', 'art 23', 'arts 252', 'art 25', 'art 24', 'art 23', 'art 24', 'art 23', 'art 23', 'art 24', 'arts 24', 'art 23', 'arts 24', 'art 23', 'art 23', 'art 23', 'art 23', 'art 23', 'art 182', 'art 13', 'art 13', 'art 13', 'art 13', 'art.\n16', 'art.\n22', 'art.\n23']

US20010004248A1 - Antenna device - Google Patents
US20010004248A1
US20010004248A1 US09734580 US73458000A US20010004248A1 US 20010004248 A1 US20010004248 A1 US 20010004248A1 US 09734580 US09734580 US 09734580 US 73458000 A US73458000 A US 73458000A US 20010004248 A1 US20010004248 A1 US 20010004248A1
US09734580
US6348896B2 (en )
Insulating-resin-made attachment part 13A is equipped with connection terminal 10 electrically connected to antenna element 3, and connection terminal 10 is directly connected to a prescribed circuit of a radio machine. As a mounting means to the radio machine, snap part 9 having a metal part projecting out of the sidewall of attachment part 13A is disposed.
Recently, demand for a radio machine for mobile communication such as a portable telephone has sharply increased. Service of text information or the like has been added to functions of the radio machine and variety of the functions has been increased. For responding to the variety, improved performance has been required for the radio machine. This market situation requires antenna device installed in the radio machine to be lightened and have higher sensitivity and a wider band.
[0004]FIG. 22 is a perspective view illustrating a conventional antenna device and a mounting part with which this antenna device is mounted to a radio machine.
The object of the present invention is to solve the conventional problems discussed above, and to provide an antenna device that is light, has less electrical loss of induced high frequency current, and can be easily and strongly mounted to a radio machine.
[0029]FIG. 1A is a perspective view of an antenna device in accordance with exemplary embodiment 1 of the present invention.
[0030]FIG. 1B is a front view of the antenna device shown in FIG. 1A.
[0031]FIG. 1C is a side sectional view of the antenna device shown in FIG. 1A.
[0032]FIG. 2A is a perspective view showing the antenna device of the present invention and a mounting part for mounting the antenna device to the radio machine.
[0033]FIG. 2B is a schematic perspective view showing a state where the antenna device in FIG. 2A is attached to the radio machine.
[0034]FIG. 3 is a perspective view of an antenna device in accordance with the antenna device in FIG. 1A, where a snap terminal is reinforced.
[0035]FIG. 4A is a perspective view of the antenna device in accordance with the antenna device in FIG. 1A, where a snap terminal has the other structure.
[0036]FIG. 4B is a side sectional view of the antenna device shown in FIG. 4A.
[0037]FIG. 5 is a perspective view of an antenna device in accordance with the antenna device in FIG. 1A, where an antenna element and a snap terminal are constituted by one member.
[0038]FIG. 6A is a side sectional view of the antenna device where the snap part shown in FIG. 1A is constituted by a metallic reinforcing part 14A and a resin made claw 14B.
[0039]FIG. 6B is an enlarged fragmentary view of the snap part shown in FIG. 6A.
[0040]FIG. 7A is a side sectional view of the antenna device where the snap part shown in FIG. 4A is constituted by a metallic reinforcing part 14A and a resin made claw 14B.
[0041]FIG. 7B, C, D, E are enlarged fragmentary views of various structures of the snap part shown in FIG. 7A.
[0042]FIG. 8A is a perspective view of an antenna device in accordance with the antenna device in FIG. 1A, where a part of the snap terminal is machined in a shape corresponding to a mounting part on the radio machine side.
[0043]FIG. 8B is a side sectional view of the antenna device shown in FIG. 8A.
[0044]FIG. 8C shows a cross section along a 8C-8C line in the antenna device shown in FIG. 8B.
[0045]FIG. 9A is a perspective view of an antenna device in accordance with exemplary embodiment 2 of the present invention.
[0046]FIG. 9B is a front view of the antenna device shown in FIG. 9A.
[0047]FIG. 9C is a side sectional view of the antenna device shown in FIG. 9A.
[0048]FIG. 10 is a sectional view along a 10-10 line in FIG. 9C showing a mounting state to the radio machine of the antenna device in accordance with the antenna device shown in FIG. 9A.
[0049]FIG. 11 is a sectional view along a 10-10 line in FIG. 9C showing a mounting state to the radio machine of the other antenna device in accordance with the antenna device shown in FIG. 9A.
[0050]FIG. 12A, B, C, D are perspective views of an antenna device in accordance with the antenna device shown in FIG. 9A, where a position of a connection terminal, an angle of a snap part, and number of snap parts are varied.
[0051]FIG. 12E is a perspective view showing a state where an antenna device having the snap part under the bottom of the attachment part of the antenna device shown in FIG. 9A is mounted to a given member.
[0052]FIG. 13A is a perspective view of an antenna device in accordance with the antenna device shown in FIG. 9A, where only the connection terminal and the snap part are extended on the same plane under the attachment part.
[0053]FIG. 13B is a front view of the antenna device shown in FIG. 13A.
[0054]FIG. 13C is a side sectional view of the antenna device shown in FIG. 13A.
[0055]FIG. 14A is a perspective view of an antenna device in accordance with the antenna device shown in FIG. 9A, where only the connection terminal and the snap part are extended on the same plane under the attachment part.
[0056]FIG. 14B is a front view of the antenna device shown in FIG. 14A.
[0057]FIG. 14C is a side sectional view of the antenna device shown in FIG. 14A.
[0058]FIG. 15A is a perspective view of an antenna device in accordance with the antenna device shown in FIG. 9A, where a projection for preventing backlash is formed on the attachment part.
[0059]FIG. 15B is a side sectional view of the antenna device shown in FIG. 16A.
[0060]FIG. 16A is a perspective view of an antenna device in accordance with the antenna device shown in FIG. 9A, where a projection for preventing loose is formed on the attachment part.
[0061]FIG. 16B is a side sectional view of the antenna device shown in FIG. 16A.
[0062]FIG. 16C shows a cross section taken along lines 16C-16C in the antenna device shown in FIG. 16B.
[0063]FIG. 16D shows a cross section taken along lines 16D-16D in the antenna device shown in FIG. 16B.
[0064]FIG. 16E shows a cross section taken along lines 16E-16E in the antenna device shown in FIG. 16B.
[0065]FIG. 17 is a perspective view of an antenna device in accordance with exemplary embodiment 3 of the present invention.
[0066]FIG. 18 is a schematic sectional view showing a state where the antenna device shown in FIG. 17 is mounted to the radio machine.
[0067]FIGS. 19A, B, C, D are fragmentary sectional views illustrating a fixing states of a snap terminal which is an important part of the antenna device shown in FIG. 17.
[0068]FIG. 20A is a perspective view of an antenna device in accordance with the antenna device shown in FIG. 17, where the snap terminal is reinforced by an elastic claw.
[0069]FIG. 20B is a side sectional view of the antenna device shown in FIG. 20A.
[0070]FIG. 21 is a fragmentary sectional view illustrating a state where the snap terminal and the elastic claw that are important parts of the antenna device shown in FIG. 17 are formed integrally.
[0071]FIG. 22 is a perspective view illustrating a conventional antenna device and a mounting part of a radio machine.
[0074]FIG. 1A is a perspective view of an antenna device in accordance with embodiment 1 of the present invention, FIG. 1B is a front view of the antenna device shown in FIG. 1A, and FIG. 1C is a side sectional view of the antenna device shown in FIG. 1A.
[0100]FIG. 5 is a perspective view of antenna device 20D. Antenna device 20D employs antenna element snap terminal 15 where antenna element 3 and snap terminal 11A are constituted by the same member. Electric connecting part of antenna device 20D having this structure can be further reduced comparing with the antenna device shown in FIG. 1A, FIG. 3, and FIG. 4A. Therefore, antenna device 20D can minimize electrical loss of high frequency current induced in antenna element 3, and realize a better electric characteristic. The antenna device having the antenna element integrated with only connection terminal can provide an equivalent effect.
[0104]FIG. 8A is a perspective view of an antenna device having a snap terminal part with the other structure. FIG. 8B is a side sectional view of the antenna device shown in FIG. 8A. FIG. 8C shows a cross section along a 8C-8C line in the antenna device shown in FIG. 8B. As shown in FIG. 8A, FIG. 8B, and FIG. 8C, a part of snap terminal 11C is antenna device 20E machined in a circular arc shape responsive to (matching to) a side surface of a mounting part on the radio machine side. Because in this structure a circular-arc-shaped part 82 of snap terminal 11C can be pressed and mounted to the sidewall of the mounting part on the radio machine by broad area, mountability to the radio machine is improved.
[0106]FIG. 8A, FIG. 8B, and FIG. 8C show an antenna device where a part of snap terminal 11C is formed in the circular arc shape. The snap terminal 11C must be shaped responsively to the mounting part on the radio machine side.
[0115]FIG. 9A is a perspective view of an antenna device in accordance with embodiment 2 of the present invention. FIG. 9B is a front view of the antenna device shown in FIG. 9A. FIG. 9C is a side sectional view of the antenna device shown in FIG. 9A. As shown in FIG. 9A, FIG. 9B, and FIG. 9C, antenna element 3 of antenna device 22A in accordance with embodiment 2 is the same as antenna element 3 in embodiment 1.
[0117]FIG. 10 is a sectional view along a 10-10 line in FIG. 9C after mounting of the antenna device to the radio machine.
[0120]FIG. 11 shows the snap part shown in FIG. 10 and an example of the other configuration of the tubular part of the radio machine. As shown in FIG. 11, projection 242B is formed on snap part 24B, and projection 232B is formed on attachment part 23B. Recessed parts 252B, 254B are formed at positions corresponding to respective projections in tubular part 25B of the radio machine. This structure can include a mounting-position determining function similarly to the antenna device shown in FIG. 10. In the antenna device shown in FIG. 11, especially, snap part 24B and attachment part 23B are integrally formed of insulating resin. Therefore, projections 242B, 232B are easily formed in desired shapes. The shapes of the mounting parts on the radio machine side are fitted to the shapes of the projections. Oppositely, the shapes of the attachment parts of the antenna device may be fitted to the shapes of the mounting parts on the radio machine side.
[0128]FIG. 12E shows a structure where snap part 24C is extended to the downside of the lower end position of attachment part 23A. In an antenna device shown in FIG. 12E, a given member (a part shown by dashed lines in FIG. 12E) such as a case of the radio machine or a wiring board is grabbed between the lower end of attachment part 23A and the upper end of a claw part of snap part 24C. Due to this structure, the antenna device can be strongly mounted to a prescribed place.
[0129]FIG. 13A and FIG. 14A show a structure of the attachment part where area required for mounting the antenna device to the radio machine is small. FIG. 13B is a front view of the antenna device shown in FIG. 13A. FIG. 13C is a side sectional view of the antenna device shown in FIG. 13A. FIG. 14B is a front view of the antenna device shown in FIG. 14A. FIG. 14C is a side sectional view of the antenna device shown in FIG. 14A. As shown in FIG. 13A and FIG. 14A, two snap parts 24D and connection terminal 10C are arranged in parallel, on the same plane in side view, and under attachment part 23D. Two snap parts 24D are arranged on the both sides of connection terminal 10C. In regard to the antenna device having such structure, mounting area on the radio machine side can be smaller, and area of the attachment part on the antenna device side can be also reduced. Reduction of the mounting area can increase designing freedom degree on the radio machine side.
[0131]FIG. 15A is a perspective view of an antenna device where projection 23E1 for preventing backlash is formed on the side outer periphery of the attachment part 23E. FIG. 15B is a side sectional view of the antenna device shown in FIG. 15A. When projection 23E1 for preventing backlash is formed on the side outer periphery of attachment part 23E as shown in FIG. 15A and FIG. 15B, adhesiveness between attachment part 23E and a mounting part of the radio machine can be easily improved. The antenna device having this structure can reduce backlash after mounting of the antenna device during holding and operation of the radio machine.
[0133]FIG. 16A is a perspective view of an antenna device where projecting part 23F1 for preventing loose is formed at a part of the side surface of the attachment part 23F. FIG. 16B is a side sectional view of the antenna device shown in FIG. 16A. FIG. 16C shows a cross section along a 16C-16C line in the antenna device shown in FIG. 16B. FIG. 16D shows a cross section along a 16D-16D line in the antenna device shown in FIG. 16B. FIG. 16E shows a cross section along a 16E-16E line in the antenna device shown in FIG. 16B.
[0141]FIG. 17 is a perspective view of an antenna device in accordance with embodiment 3 of the present invention. As shown in FIG. 17, antenna device 27A of embodiment 3 is formed by removing the connection terminal from the antenna device shown in FIG. 3 in accordance with embodiment 1. Antenna element 3 of antenna device 27A of embodiment 3 is same as antenna element 3 of embodiment 1.
[0144]FIG. 18 is a schematic sectional view showing a state where the antenna device 27A in accordance with the present invention is mounted to the radio machine. Snap terminal 31 is hung on and fixed to engaging step part 182 formed in a mounting place of radio machine 180. Snap terminal 31 is directly brought into contact with a prescribed circuit part on wiring board 184 placed in the radio machine, and is mechanically and electrically connected to the radio machine.
[0148]FIG. 20A is a perspective view of an antenna device where elastic claw 30 formed on attachment part 13B is brought into contact with the inside of snap terminal 31. FIG. 20B is a side sectional view of the antenna device shown in FIG. 20A. As shown in FIG. 20A and FIG. 20B, the upper and lower parts of snap terminal 31 are fixed to attachment part 13B. Elastic claw 30 formed on attachment part 13B is brought into contact with the inside of snap terminal 31. In this structure, elastic repulsion of snap terminal 31 can be increased.
[0149]FIG. 21 shows an example where the upper and lower parts of snap terminal 31 are not fixed to attachment part 13B3. When snap terminal 31 and elastic claw 30A are integrally formed as shown by the sectional view in FIG. 21, positional accuracy of snap terminal 31 and elastic repulsion of snap terminal 31 can be increased.
1. An antenna device attached to a radio machine, said antenna device comprising:
(a) an attachment part, made of insulating resin, for being attached to said radio machine;
(b) an antenna element, made of conductor, placed over said attachment part;
(c) a top cover, made of insulating resin, for covering said antenna element;
(d) a snap part mounted under said attachment part and projecting out of a sidewall of said attachment part; and
(e) a connection terminal formed at said attachment part for electrically connecting said antenna element to a circuit part of said radio machine.
2. The antenna device according to
, wherein said snap part comprises a metallic claw.
3. The antenna device according to
, wherein said snap part comprises a resin made claw embedded with metal.
4. The antenna device according to
, wherein a metal part of said snap part and said connection terminal are unitarily formed of one member.
5. The antenna device according to
, wherein said antenna element and said connection terminal are unitarily formed of one member.
6. The antenna device according to
, wherein said connection terminal and said antenna element are coupled by a crimp, burring, welding, or soldering method.
7. The antenna device according to
, wherein a part of said connection terminal is machined in a shape corresponding to a shape of said attachment part of said radio machine.
8. The antenna device according to
, wherein a core part for holding said antenna element and said attachment part are unitarily formed.
9. The antenna device according to
, wherein said attachment part and said top cover are unitarily formed.
10. The antenna device according to
, wherein a core part for holding said antenna element and said top cover are unitarily formed.
11. An antenna device attached to a radio machine, said antenna device comprising:
(d) a snap part formed integrally with said attachment part at the lower end of said attachment part and hung on and fixed to an engaging step part of said radio machine; and
(e) a connection terminal attached under said attachment part for electrically connecting said antenna element to a circuit part of said radio machine.
12. The antenna device according to
13. The antenna device according to
, wherein said connection terminal and said antenna element are interconnected by a crimp, burring, welding, or soldering method.
14. The antenna device according to
, wherein a part of said connection terminal is machined in a shape corresponding to a shape of a mounting part of said radio machine.
15. The antenna device according to
, wherein said connection terminal and two said snap parts are arranged on substantially same plane under said attachment part.
16. The antenna device according to
, wherein said snap part has a mounting-position determining function to said radio machine.
17. The antenna device according to
18. The antenna device according to
19. The antenna device according to
20. The antenna device according to
, wherein a plurality of said snap parts are disposed.
21. The antenna device according to
, wherein a projection for preventing backlash at a mounting part is placed on the side surface of said attachment part.
22. The antenna device according to
, wherein a projecting part for preventing loose at a mounting part is placed on the side surface of said attachment part.
23. An antenna device attached to a radio machine, said antenna device comprising:
(c) a top cover, made of insulating resin, for covering said antenna element; and
(d) a snap part having a metal part electrically connected to said antenna element and projecting out of a sidewall of said attachment part,
and said antenna device,
wherein the exposed metal part of said snap part is electrically connected to a circuit part of said radio machine.
24. The antenna device according to
, wherein said snap part is fixed to a part of said attachment part for reinforcement.
25. The antenna device according to
26. The antenna device according to
27. The antenna device according to
28. The antenna device according to
29. The antenna device according to
30. The antenna device according to
, wherein a projecting part for preventing loose at a mounting part is placed on a side surface of said attachment part.
US09734580 1999-12-16 2000-12-13 Antenna device Expired - Fee Related US6348896B2 (en)
JP11-357237 1999-12-16
JP35723799A JP2001177322A (en) 1999-12-16 1999-12-16 Antenna system
US20010004248A1 true true US20010004248A1 (en) 2001-06-21
US6348896B2 US6348896B2 (en) 2002-02-19
ID=18453094
US09734580 Expired - Fee Related US6348896B2 (en) 1999-12-16 2000-12-13 Antenna device
US (1) US6348896B2 (en)
EP (1) EP1117148A3 (en)
JP (1) JP2001177322A (en)
KR (1) KR100427095B1 (en)
CN (1) CN1182744C (en)
EP1544942A1 (en) * 2003-12-16 2005-06-22 YOKOWO Co., Ltd Fixing structure
EP1598899A1 (en) * 2004-05-20 2005-11-23 Lg Electronics Inc. Antenna coupling structure for a mobile terminal
KR100783403B1 (en) * 2005-06-22 2007-12-10 엘지전자 주식회사 Mobile terminal
JP4125330B2 (en) * 2006-05-31 2008-07-30 株式会社Ｎｉｋｋｏ Of radio-controlled toy antenna and antenna cap and radio-controlled toys
CN103700958A (en) * 2013-12-27 2014-04-02 四川福润得数码科技有限责任公司 RF (radio frequency) module and adapter thereof, and assembly method for adapter in RF module
US6052089A (en) 1997-12-23 2000-04-18 Nokia Mobile Phones Limited Half-wave retractable antenna with matching helix
DE29811273U1 (en) * 1998-06-24 1998-09-10 Siemens Ag Antenna for a radio-operated communication terminal
US6100852A (en) 1998-08-11 2000-08-08 Calearo; Massimo Anti-theft antenna
US20050179613A1 (en) * 2003-12-16 2005-08-18 Yokowo Co., Ltd. Fixing structure
US7250912B2 (en) 2003-12-16 2007-07-31 Yokowo Co., Ltd. Fixing structure
US7221324B2 (en) 2004-05-20 2007-05-22 Lg Electronics Inc. Antenna coupling structure for a mobile terminal
EP2280446A1 (en) * 2004-05-20 2011-02-02 LG Electronics Inc. Antenna coupling structure for a mobile terminal
KR20010062519A (en) 2001-07-07 application
US6348896B2 (en) 2002-02-19 grant
CN1300171A (en) 2001-06-20 application
CN1182744C (en) 2004-12-29 grant
EP1117148A2 (en) 2001-07-18 application
JP2001177322A (en) 2001-06-29 application
EP1117148A3 (en) 2004-01-14 application
KR100427095B1 (en) 2004-04-17 grant
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAKAGI, NAOYUKI;OHARA, MASAHIRO;REEL/FRAME:011545/0349