Portable communication apparatus having a display and an antenna with a plane radiating member

• US 6,697,020 B2
• Filed: 09/25/2001
• Issued: 02/24/2004
• Est. Priority Date: 09/25/2000
• Status: Expired due to Fees

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Ying, Zhinong
• Primary Examiner(s): Clinger, James
• Application Number:
  US09/963,211
• Publication Number:
  US 20020036593A1
• Time in Patent Office: 882 Days
• Field of Search: 343/702, 343/700.MS, 343/718, 343/830, 343/846, 455/280, 455/90, 455/228, 455/351, 340/825.44
• US Class Current: 343/702
• CPC Class Codes: H01Q 1/243 with built-in antennas
• 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 1/40 Radiating elements coated with or embedded in protective material
• CPC Class Codes: H01Q 1/44 using equipment having another main function to serve additionally as an antenna , e.g. means for giving an antenna an aesthetic aspectH01Q1/27 - H01Q1/34 take precedence
• CPC Class Codes: H04B 1/3833 Hand-held transceivers

Abstract

A portable communication apparatus has a display and a first antenna with a plane radiating member. The display and the plane radiating member are integrated in a multi-layer structure, which is built into the portable communication apparatus. The first antenna may preferably be adapted for satellite communication, such as GPS.

Claims

1. A portable communication apparatus comprising:

a display;

a dielectric substrate comprising a dielectric framework in the form of a grid; and

a first antenna comprising a plane radiating member,

wherein the display, the dielectric substrate, and the plane radiating member are integrated in a multi-layer structure.

2. A portable communication apparatus as in claim 1, wherein the plane radiating member is a patch antenna element.

3. A portable communication apparatus as in claim 1, wherein the display comprises a layer of liquid crystals.

4. A portable communication apparatus as in claim 1, further comprising a plane light-guiding member interposed between the display and the plane radiating member.

5. A portable communication apparatus as in claim 1, further comprising radio circuitry and an antenna feeding network having first and second microstrip arms, which are connected at a first respective end to the radio circuitry and at a second respective end to a respective feeding pin, wherein the feeding pins protrude through the dielectric substrate and are connected to the patch antenna element.

6. A portable communication apparatus as in claim 1, further comprising radio circuitry, a feeding pin, which at a first end is connected to the patch antenna element and at a second end is connected to the radio circuitry, and a matching post, which at a first end is connected to the patch antenna element and is grounded at a second end.

7. A portable communication apparatus as in claim 1, wherein the first antenna is adapted for satellite communication in a 1.57 GHz frequency band.

8. A portable communication apparatus as claim 1, further comprising a second antenna which is adapted to communicate with a mobile telecommunications network.

9. A portable communication apparatus as claim 1, wherein the apparatus is a mobile telephone.

10. A combined display and antenna device for a portable communication apparatus comprising:

a display having an extension in a first plane,

a dielectric substrate comprising a dielectric framework in the form of a grid having an extension in a second plane; and

a radiating member having an extension in a third plane, said first, second, and third planes being substantially parallel,

wherein the radiating member and the dielectric substrate is integrated with said display in a multi-layer structure.

11. A combined display and antenna device as in claim 10, wherein the radiating member is a patch antenna element.

12. A combined display and antenna device as in claim 10, wherein the display comprises a layer of liquid crystals.

13. A combined display and antenna device as in claim 10, further comprising a plane light-guiding member interposed between the display and the radiating member.

14. A combined display and antenna device as in claim 10, further comprising radio circuitry and an antenna feeding network having first and second microstrip arms, which are connected at a first respective end to the radio circuitry and at a second respective end to a respective feeding pin, wherein the feeding pins protrude through the dielectric substrate and are connected to the patch antenna element.

15. A combined display and antenna device as in claim 10, further comprising radio circuitry, a feeding pin, which at a first end is connected to the patch antenna element and at a second end is connected to the radio circuitry, and a matching post, which at a first end is connected to the patch antenna element and is grounded at a second end.

16. A combined display and antenna device as in claim 10, wherein the radiating member is adapted for satellite communication in a 1.57 GHz frequency band.

17. A combined display and antenna device as in claim 10, wherein the device is positioned in a mobile telephone.