# US 2002/0158809 A1 · Excellent waterproof antenna

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- Number: US 2002/0158809 A1
- Document ID: US20020158809A1
- Status: Published application
- Kind: A1
- Application number: 10/131,897
- Filed: 2002-04-25
- Published: 2002-10-31
- Earliest claimed: 2001-04-25
- Assignees: Alps Electric Co., Ltd.
- Inventors: Tadaaki Onishi; Hirotoshi Maegawa
- Web page: https://patentgrep.com/patent/US20020158809A1

## CPC

- H01Q 1/42: Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q 1/00: Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

In the waterproof structure of an antenna of the present invention, a width of an open end top of a second notch provided on a projection of a second case is formed so as to be wider than a diameter of a cable, the cable that crosses a recess of a first case is placed in a first notch, and the projection that projects into the recess allows an adhesive to penetrate in the second notch and the adhesive seals a space between the cable and the second notch to thereby seal containers. As the result, a space between a top half of the cable and the second notch is sealed securely with the adhesive, the containers are sealed securely, and reliable waterproof is realized.

## Claims

### Claim 1

A waterproof structure of an antenna provided with first and second cases, an antenna body contained in containers comprising the first and second cases, and a cable that is lead to an outside of the first and second cases, wherein the first case has a recess for containing adhesive and a first notch for placing the cable that is disposed so as to cross the recess, wherein the second case has a projection that projects into the recess and a second notch disposed on the projection that is positioned so as to oppose to the first notch for positioning the cable, wherein a width of an open top end of the second notch is formed so as to be wider than a diameter of the cable, wherein the cable that crosses the recess is placed in the first notch, and wherein the projection that projects into the recess allows the adhesive to penetrate into the second notch to thereby seal a space between the cable and the second notch and to thereby seal the containers.

### Claim 2 (depends on 1)

The waterproof structure of an antenna according to claim 1, wherein a width of the first notch is formed so as to be approximately equal to the diameter of the cable.

### Claim 3 (depends on 1)

The waterproof structure of an antenna according to claim 1, wherein the recess is formed in ring-shape, wherein the projection is formed in ring-shape, wherein a top end of the projection excepting a portion positioned at the second notch is embedded in the adhesive and wherein the containers are sealed thereby.

### Claim 4 (depends on 1)

The waterproof structure of an antenna according to claim 1, wherein the cable is positioned at a top of the second notch, and wherein the space between the second notch including the top and the cable is sealed with the adhesive.

### Claim 5 (depends on 4)

The waterproof structure of an antenna according to claim 4, wherein the second notch is provided with an inclination formed so that a width of the second notch becomes wider from the top toward the open end top.