# US 7,466,564 B2 · Radio frequency unit

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- Number: US 7,466,564 B2
- Document ID: US7466564B2
- Status: Granted
- Kind: B2
- Application number: 11/869,705
- Filed: 2007-10-09
- Published: 2008-05-08
- Granted: 2008-12-16
- Earliest claimed: 2007-10-09
- Assignees: Alps Electric Co., Ltd.
- Inventors: Keiko Harada; Satoshi Yotsuguri
- Web page: https://patentgrep.com/patent/US7466564B2

## CPC

- H04B 1/18: Input circuits, e.g. for coupling to an antenna or a transmission line (coupling networks between antennas or lines and receivers independent of the nature of the receiver H03H)
- H05K 1/0213: {Electrical arrangements not otherwise provided for}
- H05K 3/3405: {Edge mounted components, e.g. terminals}
- H04B: TRANSMISSION
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

The invention provides a radio frequency unit including a box-shaped chassis into which an insulating board loaded with electronic components is housed, and two connectors attached to a front plate of the chassis with a space therebetween. A supporting member protruding into the chassis is provided in a position between the two connectors in the front plate. The supporting member has a flat plate portion that is bent at right angles from an end face of the front plate, and extends parallel to the insulating board, and a pair of tongue pieces that are formed so as to be bent towards the inside of the chassis from both side ends of the flat plate portion. The pair of tongue pieces are located in a cutout portion provided in the insulating board, and the tongue pieces are soldered to a grounding pattern provided in the insulating board.

## Claims

### Claim 1

A radio frequency unit comprising:
a box-shaped chassis;
an insulating board housed in the chassis, the insulating board having electronic components and grounding pattern thereon, the insulating board having a cutout portion provided thereon;
two connectors attached to a front plate of the chassis with a space therebetween; and
a supporting member protruding into the chassis provided in a position between the two connectors in the front plate,
wherein the supporting member includes:
a flat plate portion that is bent at right angles from an end face of the front plate, and extends inwardly and parallel to the insulating board, and
a pair of tongue pieces that are bent towards the inside of the chassis from both side ends of the flat plate portion, and
wherein the pair of tongue pieces are located in the cutout portion of the insulating board, and the tongue pieces are soldered to the grounding pattern of the insulating board.

### Claim 2 (depends on 1)

The radio frequency unit according to claim 1,
wherein the tongue pieces are brought into resilient contact with inner faces of the cutout portion of the insulating board.

### Claim 3 (depends on 1)

The radio frequency unit according to claim 1, further comprising:
a shield plate provided inside of the chassis, the shield plate extending from the front plate to a rear plate of the chassis so as to divide the inside of the chassis between the two connectors, the shield plate being soldered to the grounding pattern.

### Claim 4 (depends on 1)

The radio frequency unit according to claim 1, further comprising:
an attachment portion having a hole provided on the front plate in a position between the two connectors, the attachment portion and the supporting member being arranged on a straight line orthogonal to a straight line connecting the two connectors.