Antenna device for automotive vehicle

• US 6,229,492 B1
• Filed: 08/16/1999
• Issued: 05/08/2001
• Est. Priority Date: 02/18/1997
• Status: Expired due to Fees

• Current Assignee: Poong Jeong Industrial Co., Ltd. (HM Treasury)
• Original Assignee: Poong Jeong Industrial Co., Ltd. (HM Treasury)
• Inventors: Sung, Byung Yong, Lee, Yong Ho
• Primary Examiner(s): Wong, Don
• Assistant Examiner(s): TRAN, THUY V
• Application Number:
  US09/367,450
• Time in Patent Office: 631 Days
• Field of Search: 343/713, 343/711, 343/712, 343/714, 343/753, 343/756, 343/787, 343/788, 343/866, 343/867, 343/704
• US Class Current: 343/713
• CPC Class Codes: H01Q 1/3266 using the mirror of the vehicle
• CPC Class Codes: H01Q 11/08 Helical antennas
• 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 7/08 Ferrite rod or like elongated core

Abstract

The present invention presents an antenna device for an automotive vehicle wherein a first coil is installed horizontally to receive radio signals. Capacitors are connected electrically and in parallel with the first coil. A second coil is connected electrically with the first coil and installed horizontally under the first coil. A third coil is connected electrically between the first coil and the ground and installed horizontally under the first coil. Additionally, a fourth coil is connected electrically between the first coil and the second coil and installed vertically under the first coil. This antenna device, now including the first to the fourth coils and capacitors, is installed in a mirror case for the car.

Claims

1. An antenna device for an automotive vehicle comprising:

a first coil installed horizontally to receive radio signals;

capacitors connected with the first coil in electrical parallel;

a second coil connected electrically with the first coil and installed horizontally under the first coil;

a third coil connected electrically between the first coil and a ground and installed horizontally under the first coil;

a fourth coil connected electrically between the first coil and the second coil and installed vertically under the first coil;

cores rolled by the coils respectively; and

a printed circuit board to fix and connect all elements physically and electrically;

wherein said coils, capacitors, cores, and the printed circuit board are packed in a mirror case for the automotive vehicle.

2. The device as set forth in claim 1, wherein the core is ferrite.

3. The device as set forth in claim 1, wherein the core is the magnet.

4. The device as set forth in claim 1, wherein the core is the copper pipe.

5. The device as set forth in claim 1, wherein the mirror is the rearview mirror.

6. The device as set forth in claim 1, wherein the mirror is the sideview mirror.

7. An antenna device for an automotive vehicle comprising:

a power source for supplying the electrical power;

an antenna for receiving radio signals by means of a cored coil;

a band pass filter using an operational amplifier for permitting a certain frequency range component of the received signals from the antenna to pass through;

an amplifier for amplifying the filtered signal from the band pass filter; and

a printed circuit board to fix and connect all elements physically and electrically;

wherein the antenna, the band pass filter, the amplifier, and the printed circuit board are installed in a mirror case for the automotive vehicle.

8. The device as set forth in claim 7, where in the antenna includes a core and the coil wound.

9. The device as set forth in claim 8, wherein the core is ferrite.

10. The device as set forth in claim 8, wherein the core is the magnet.

11. The device as set forth in claim 8, wherein the core is the copper pipe.

12. The device as set forth in claim 7, wherein the mirror is the rearview mirror.

13. The device as set forth in claim 7, wherein the mirror is the sideview mirror.