Antenna for radio-operated communication terminal equipment

• US 20010050636A1
• Filed: 01/26/2000
• Published: 12/13/2001
• Est. Priority Date: 01/26/1999
• Status: Abandoned Application

• Current Assignee: Siemens AG
• Original Assignee: Siemens AG
• Inventors: Weinberger, Martin
• Application Number:
  US09/491,611
• Publication Number:
  US 20010050636A1
• Time in Patent Office: Days
• US Class Current: 343/700.0MS
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 21/30 Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
• CPC Class Codes: H01Q 5/371 Branching current paths
• CPC Class Codes: H01Q 5/378 Combination of fed elements with parasitic elements
• 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 9/0421 with a shorting wall or a shorting pin at one end of the element H01Q9/0414 takes precedence

Abstract

The present invention is directed to an antenna for radio-operated communication terminal devices. For effecting a multi-band antenna, a combination composed of a number of different antenna types is provided, wherein each antenna type can be singly or multiply present, and wherein the combination of the number of antennas is respectively fed at only one point.

Claims

1. An antenna for radio-operated communication terminal devices, comprising a combination of individual antennas composed of a plurality of different antenna types, wherein each of the plurality of different antenna types can be singly or multiply present, and wherein the combination of individual antennas is respectively fed at only one point at a feed connection.

2. An antenna for radio-operated communication terminal devices as claimed

claim 1

, wherein the plurality of different antenna types includes at least two of inverted-F antennas, planar inverted-L antennas and microstrip antennas.

3. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein a coupling between the plurality of different antenna types occurs by at least one of capacitively, inductively, radiated or galvanically.

4. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein the antenna is integrated into a housing wall of a housing of the associated terminal device.

5. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein a position and a type of at least one ground connection between a radiator element of the antenna and a ground surface of the antenna is adapted to desired antenna properties.

6. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein a position and a type of the feed connection to a radiator element of the antenna is adapted to desired antenna properties.

7. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein a position and a type of at least one ground connection between a defined, separate ground surface and a ground surface of the antenna are adapted to desired antenna properties.

8. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein a position of the feed connection and a position of ground connections to an effective antenna ground are interchanged.

9. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein the feed connection and ground connections contact a radio element at arbitrary positions.

10. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein the feed connection and ground connections are arbitrarily shaped.

11. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein individual parts of radiator elements of the antenna are shaped so as to point in arbitrary directions.

12. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein a radiator structure of the antenna is divided into a plurality of sub-elements which meet a desired antenna function by suitable coupling.

13. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein individual parts of radiator elements of the antenna are arbitrarily curved or folded in a horizontal plane.

14. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein a desired antenna behavior is achieved by at least partial introduction of at least one of one or more dielectric materials, one or more magnetic materials and a mixture of dielectric and magnetic materials.

15. An antenna for radio-operated communication terminal devices as claimed in

claim 1

, wherein sub-areas of the antenna are utilized for antenna functions in different frequency ranges.