Patent · US Active

Indicating instrument with a gear indicator

US7482912B2 · kind B2 · utility

3Cited by

13References

19Claims

0Family size

Assignee

Preh GmbH · DE

Inventors

Anton Rüttiger · Wildflecken, DE
Jürgen Nauth · Burkardroth, DE

Key dates

Filing date	Mar 10, 2006
Grant date	Jan 27, 2009
Priority date	—
Expiry date	Oct 28, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG09G5/30
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An indicating instrument including at least one display unit including display segments that are used to represent a currently engaged gear and a background surrounding the display segments, and a control circuit configured to apply a first signal having a first polarity to the display segments and a second signal having a second polarity opposite to the first polarity to the background such that the display segments and the background have different contrasts to indicate the currently engaged gear.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.