Mobile wireless communications device comprising a top-mounted auxiliary input/output device and a bottom-mounted antenna

• US 7,839,343 B2
• Filed: 10/01/2009
• Issued: 11/23/2010
• Est. Priority Date: 06/02/2004
• Status: Expired due to Fees

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Qi, Yihong, Jarmuszewski, Perry, Man, Ying Tong
• Primary Examiner(s): Nguyen; Hoang V
• Application Number:
  US12/571,662
• Publication Number:
  US 20100022268A1
• Time in Patent Office: 418 Days
• Field of Search: 343/702, 343/700.MS, 343/741, 343/866, 343/895, 455/575.1, 455/90
• US Class Current: 343/702
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 5/371 Branching current paths
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H01Q 9/0407 Substantially flat resonant element parallel to ground plane, e.g. patch antenna dipole H01Q9/285; monopole H01Q9/40
• CPC Class Codes: H01Q 9/40 Element having extended radiating surface
• CPC Class Codes: H01Q 9/42 with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
• CPC Class Codes: H04B 1/3833 Hand-held transceivers
• CPC Class Codes: Y10T 29/49016 Antenna or wave energy "plumbing" making

Abstract

A mobile wireless communications device may include a housing having an upper portion and a lower portion, a dielectric substrate carried by the housing, circuitry carried by the dielectric substrate, and an audio output transducer carried by the upper portion of the housing and connected to the circuitry. The device may further include a user input interface carried by the housing and connected to the circuitry, and at least one auxiliary input/output device carried by the upper portion of the housing and connected to the circuitry. An antenna may also be carried within the lower portion of the housing comprising a pattern of conductive traces on the dielectric substrate.

Claims

1. A mobile wireless communications device comprising:

a housing having an upper portion and a lower portion;

an audio output transducer carried by the upper portion of said housing;

a user input interface device carried by said housing; and

a multi-frequency band antenna carried within the lower portion of said housing and comprising

a dielectric substrate, and

a pattern of conductive traces on said dielectric substrate defining a main loop conductor having a gap therein, and first and second branch conductors connected to said main loop conductor.

2. The mobile wireless communications device of claim 1 wherein said first branch conductor has a first end connected adjacent a first end of said main loop conductor and has a second end defining a first feed point;

and wherein said second branch conductor has a first end connected adjacent a second end of said main loop conductor and a second end defining a second feed point.

3. The mobile wireless communications device of claim 2 wherein said pattern of conductive traces further defines a tuning branch conductor connected to said main loop conductor between the first ends of said first and second branches.

4. The mobile wireless communications device of claim 1 further comprising at least one auxiliary input/output device carried by said housing.

5. The mobile wireless communications device of claim 4 wherein said at least one auxiliary input/output device comprises a wireless local area network (WLAN) antenna.

6. The mobile wireless communications device of claim 4 wherein said at least one auxiliary input/output device comprises a satellite positioning system antenna.

7. The mobile wireless communications device of claim 4 wherein said at least one auxiliary input/output device comprises an electrical device connector.

8. The mobile wireless communications device of claim 4 wherein said at least one auxiliary input/output device comprises a second audio output transducer.

9. The mobile wireless communications device of claim 1 further comprising a display carried by said housing.

10. A mobile wireless communications device comprising:

a static housing having an upper portion and a lower portion;

an audio output transducer carried by the upper portion of said static housing;

a display carried by said static housing;

a user input interface device carried by said static housing; and

a multi-frequency band antenna carried within the lower portion of said static housing and comprising

a dielectric substrate, and

a pattern of conductive traces on said dielectric substrate defining a main loop conductor having a gap therein, and first and second branch conductors connected to said main loop conductor.

11. The mobile wireless communications device of claim 10 wherein said first branch conductor has a first end connected adjacent a first end of said main loop conductor and has a second end defining a first feed point;

and wherein said second branch conductor has a first end connected adjacent a second end of said main loop conductor and a second end defining a second feed point.

12. The mobile wireless communications device of claim 11 wherein said pattern of conductive traces further defines a tuning branch conductor connected to said main loop conductor between the first ends of said first and second branches.

13. The mobile wireless communications device of claim 10 further comprising at least one auxiliary input/output device carried by said housing.

14. The mobile wireless communications device of claim 13 wherein said at least one auxiliary input/output device comprises a wireless local area network (WLAN) antenna.

15. The mobile wireless communications device of claim 13 wherein said at least one auxiliary input/output device comprises a satellite positioning system antenna.

16. The mobile wireless communications device of claim 13 wherein said at least one auxiliary input/output device comprises an electrical device connector.

17. The mobile wireless communications device of claim 13 wherein said at least one auxiliary input/output device comprises a second audio output transducer.

18. A method for making a mobile wireless communications device comprising:

providing a housing for receiving an audio output transducer in an upper portion thereof, and for receiving a user input interface device; and

positioning a multi-frequency band antenna within a lower portion of the housing and comprising

a dielectric substrate, and

a pattern of conductive traces on the dielectric substrate defining a main loop conductor having a gap therein, and first and second branch conductors connected to the main loop conductor.

19. The method of claim 18 wherein the first branch conductor has a first end connected adjacent a first end of the main loop conductor and has a second end defining a first feed point;

and wherein the second branch conductor has a first end connected adjacent a second end of the main loop conductor and a second end defining a second feed point.

20. The method of claim 19 wherein the pattern of conductive traces further defines a tuning branch conductor connected to the main loop conductor between the first ends of the first and second branches.

21. The method of claim 18 further comprising positioning at least one auxiliary input/output device carried by the housing.

22. The method of claim 21 wherein the at least one auxiliary input/output device comprises at least one of a wireless local area network (WLAN) antenna, a satellite positioning system antenna, an electrical device connector, and a second audio output transducer.