Patent · US Active

Combination instrument

US8101265B2 · kind B2 · utility

1Cited by

6References

15Claims

0Family size

Assignee

CONTINENTAL AUTOMOTIVE GMBH · DE

Inventors

Michael Döbler · Babenhausen, DE
Peter Lehnert · Inning am Ammersee, DE
Joachim Müller · Offenbach, DE
Wolfgang-Peter Pawusch · Hochheim, DE
Peter Radojkovic · Birkenfeld, DE
Markus Weber · Solothurn, CH

Key dates

Filing date	May 2, 2008
Grant date	Jan 24, 2012
Priority date	—
Expiry date	Mar 7, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31855
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A combination instrument has a disk that is transparent for light in the visible range and that has a dial region and an indicator region. It further has a dial imprint, which is applied to the back of the transparent disk in the dial region. In addition, a polarizing filter disk is provided, which is disposed on the back of the transparent disk aligned with the indicator region and comprises a circular polarizing filter. An optical indicator unit is provided, which is disposed in alignment with the indicator region on the back of the transparent disk and the polarizing filter disk.

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