# US 6,723,930 B2 · Mirror switch device

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- Number: US 6,723,930 B2
- Document ID: US6723930B2
- Status: Granted
- Kind: B2
- Application number: 10/320,643
- Filed: 2002-12-17
- Published: 2003-06-26
- Granted: 2004-04-20
- Earliest claimed: 2001-12-25
- Assignees: Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Inventors: Keiji Minami
- Web page: https://patentgrep.com/patent/US6723930B2

## CPC

- H01H 25/041: {having a generally flat operating member depressible at different locations to operate different controls}
- H01H 2239/012: Decoding impedances
- H01H 2300/012: Application rear view mirror
- H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00)

## Abstract

On a printed wiring board (13), switch parts (21 to 24) are disposed so as to correspond to four positions of corner parts in the side parts of a rectangular form of a pusher (20). A switch circuit member is provided. The switch circuit member includes the first to fourth switch parts and a plurality of resistances connected together between a pair of terminals and a resistance value between the pair of terminals is changed for each of different switch operation patterns of the switch parts in accordance with the pressing operations of the side parts of the pusher.

## Claims

### Claim 1

A mirror switch device comprising:
a substantially rectangular pusher having four side parts for being pressed and operated;
first to fourth switch parts respectively disposed at four corner positions of the side parts of the rectangular form of the pusher, wherein two of the switch parts corresponding to each of the side parts perform a switch operation when each of the side parts of the pusher is pressed and operated; and
a switch circuit member including the first to fourth switch parts and a plurality of resistances connected together between a pair of terminals, for changing a resistance value between the pair of terminals for each of different switch operation patterns of the switch parts in accordance with the pressing operation of each of the side parts of the pusher.

### Claim 2 (depends on 1)

The mirror switch device according to claim 1, wherein
the first switch part and the third switch part are arranged diagonally and the second switch part and the fourth switch part are arranged diagonally,
the switch circuit member comprises,
a first series circuit connected between the pair of terminals and including the first switch part, a first of the resistances and the fourth switch part which are sequentially connected, and
a second series circuit connected in parallel with the first series circuit and including a second of the resistances, the third switch part, a third of the resistances, a fourth of the resistances and the second switch part which are sequentially connected,
a node between the first switch part and the first of the resistances in the first series circuit is connected to a node between the third of the resistances and the fourth of the resistances in the second series circuit, and
a node between the first of the resistances and the fourth switch part in the first series circuit is connected to a node between the third switch part and the third of the resistances in the second series circuit.