High frequency antenna module

• US 20040183729A1
• Filed: 02/09/2004
• Published: 09/23/2004
• Est. Priority Date: 02/07/2003
• Status: Active Grant

• Current Assignee: NGK Spark PLUG Company Limited
• Original Assignee: NGK Spark PLUG Company Limited
• Inventors: Sugimoto, Noriyasu, Takada, Toshikatsu, Otaka, Naoki
• Granted Patent: US 7,129,893 B2
• Time in Patent Office: Days
• US Class Current: 343/700MS
• 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 21/24 Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 5/371 Branching current paths

Abstract

A high frequency antenna module having a substrate, a feeding electrode and two dielectric chip antennas being mounted on said substrate. Each of the two dielectric chip antennas having a base end connected to the feeding electrode and a floating end as an open end. A distance between said open ends of the two dielectric chip antennas is shorter than a distance between said base ends of the two dielectric chip antennas.

Claims

1. A high frequency antenna module, comprising:

a substrate;

a feeding electrode; and

at least two dielectric chip antennas being mounted on said substrate, each of said two dielectric chip antennas having a base end connected to said feeding electrode and a floating end as an open end, wherein

a distance between said open ends of said two dielectric chip antennas is shorter than a distance between said base ends of said two dielectric chip antennas.

2. The high frequency antenna module according to claim 1, wherein

said two dielectric chip antennas are formed on a dielectric chip, wherein

each of said two dielectric chip antennas is configured as a pair of radiation electrodes, wherein

said radiation electrodes have such a pattern that said both base ends of said two dielectric chip antennas are connected to said feeding electrode, and that said both floating ends are open ends, wherein

one of said radiation electrodes is corresponding to one frequency, wherein

the other of said radiation electrodes is corresponding to a different frequency from said one frequency, and wherein

a distance between said open ends of said radiation electrodes is shorter than a distance between said base ends of said radiation electrodes.

3. The high frequency antenna module according to claim 2, wherein a pattern of said radiation electrodes has a meandering shape.

8. The high frequency antenna module according to claim 3, said two dielectric chip antennas are formed in rectangular parallelepiped shape.

4. A high frequency antenna module, comprising:

a substrate;

a feeding electrode; and

at least two antennas as an internal antenna using for a portable or wireless being mounted on said substrate, each of said two antennas having a base end connected to said feeding electrode and floating end as an open end, wherein

a distance between said open ends of said two antennas is shorter than a distance between said base ends of said two antennas.

5. The high frequency antenna module according to claim 4, wherein

each of said two antennas is configured as a pair of radiation electrodes, wherein

said radiation electrodes have such a pattern that said both base ends of said two antennas are connected to said feeding electrode, and that said both floating ends are open ends, wherein

one of said radiation electrodes is corresponding to one frequency, wherein

the other of said radiation electrodes is corresponding to a different frequency from said one frequency, and wherein

a distance between said open ends of said radiation electrodes is shorter than a distance between said base ends of said radiation electrodes.

6. The high frequency antenna module according to claim 4, wherein a pattern of said radiation electrodes has a meandering shape.

7. The high frequency antenna module according to claim 5, wherein a pattern of said radiation electrodes has a meandering shape.

9. The high frequency antenna module according to claim 6, said two dielectric chip antennas are formed in rectangular parallelepiped shape.

10. The high frequency antenna module according to claim 7, said two dielectric chip antennas are formed in rectangular parallelepiped shape.