IP Library Granted Patent US 8,013,800
Granted Patent B2
US 8,013,800 · App. 12/465,460 · Granted Sep 6, 2011

Multiband conformed folded dipole antenna

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Quick Facts
Patent No.
US 8,013,800
App. No.
12/465,460
Granted
Sep 6, 2011
Kind
B2
Abstract

A multiband comformed-slotted-folded dipole antenna ( 200 ) having a unitary conformed shape conductor conforming to an internal communication device configuration ( 400 ). The antenna can include a folded dipole ( 203, 205, 209, 206, 204 ) forming a part of the unitary conformed shape and having a first portion ( 212 or 213 ) forming at least one slot in a slotted plane ( 220 ) and a second portion ( 210 or 211 ) forming at least one slot in a second plane ( 230 ) substantially perpendicular to the slotted plane. The at least one slot in the second plane controls high band antenna resonance and a length ( 209 ) of a metal portion in the slotted plane controls lower band resonance. Additional embodiments are disclosed.

Claims (28)

1. A multiband comformed-slotted-folded dipole antenna, comprising:

a unitary conformed shape conductor conforming to an internal communication device configuration;

a folded dipole forming a part of the unitary conformed shape and having a first portion forming at least one slot in a slotted plane and a second portion forming at least one slot in a second plane substantially perpendicular to the slotted plane; and

wherein the at least one slot in the second plane controls high band antenna resonance and a length of a metal portion in the slotted plane controls lower band resonance.

2. The antenna of claim 1 , wherein the length of the slot in the second plane controls the high band resonance.

3. The antenna of claim 1 , wherein a gap separation between a plurality of slots in the second plane controls the high band resonance.

4. The antenna of claim 1 , wherein the length of the slot in the second plane and a gap separation between a plurality of slots in the second plane controls the high band resonance.

5. The antenna of claim 1 , wherein the antenna is designed for resonating in bands among 800 MHz, 900 MHz, GPS, 1800 MHz, 1900 MHz, 2.4 GHz, and 2.5 GHz.

6. The antenna of claim 1 , wherein the tuning of the slot in the second plane minimally impacts the low band resonance.

7. The antenna of claim 1 , wherein the tuning of a length of metal in the slotted plane minimally impacts high band resonances.

8. The antenna of claim 1 , wherein the antenna further includes a feeding end and a grounded end, wherein such arrangement is substantially insensitive to nearness to a human body.

9. The antenna of claim 1 , wherein the antenna comprises two slots in the second plane that are symmetrical for tuning.

10. The antenna of claim 1 , wherein the low band tuning and the high band tuning is completely independent.

11. The antenna of claim 1 , wherein the antenna conforms around an audio transducer element in the communication device.

12. The antenna of claim 1 , wherein the metal portion in the slotted plane is a meandering line.

13. An antenna, comprising:

a conformed slotted dipole antenna element having first antenna elements in a slotted plane and second antenna elements in a second plane, wherein the slotted plane is substantially orthogonal to the second plane;

a first slot and a second slot in the second plane that controls a high band resonance when the slots are tuned; and

a conductive line in the slotted plane having a length that controls a low band resonance.

14. The antenna of claim 13 , wherein a trimming of a length of the slot in the second plane controls the high band resonance in the frequency range of 2.4 GHz and 2.5 GHz.

15. The antenna of claim 13 , wherein a horizontal gap separation between the first slot and the second in the second plane at least partially controls the high band resonance.

16. The antenna of claim 13 , wherein a vertical gap separation between the slotted plane and the conductive line at least partially controls the high band resonance.

17. The antenna of claim 13 , wherein the tuning of the first and second slot in the second plane minimally impacts the low band resonance and the tuning of a length of the conductive line in the slotted plane minimally impacts high band resonances.

18. The antenna of claim 13 , wherein the antenna conforms around an audio transducer element in a communication device.

19. An antenna, comprising:

a substantially T-shaped slot in a slotted plane forming a low band controlling line portion coplanar and above the T-shaped slot and a high band controlling line portion coplanar and below a cross bar of the T-shaped slot;

a conductive line that is non-coplanar with the slotted plane and forms a slot having a gap between the slotted plane and the conductive line, wherein the gap further controls a high band resonance of the antenna.

20. The antenna of claim 19 , wherein the antenna conforms around the shape of an audio transducer in a mobile communication device.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 25, 2014
From: MOTOROLA MOBILITY LLC
To: GOOGLE TECHNOLOGY HOLDINGS LLC
Reel/Frame 034447/0181 →
CHANGE OF NAME Recorded Oct 2, 2012
From: MOTOROLA MOBILITY, INC.
To: MOTOROLA MOBILITY LLC
Reel/Frame 029216/0282 →