Patent · US Expired

Display instrument

US6152066A · kind A · utility

11Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 1997
Grant dateNov 28, 2000
Priority date
Expiry dateApr 21, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60K2360/698
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A display instrument with a first display and with an electro-luminescent display arranged at least partially in front of the first display is, where the first display can be illuminated or can be rendered luminous and appears as an almost uniformly dark surface when neither illuminated nor luminous.

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