Patent · US Expired

Electronic-display instrument panels for automotive vehicles

US4109235A · kind A · utility

231Cited by
1References
17Claims
0Family size

Assignees

Inventor

Key dates

Filing dateMay 4, 1976
Grant dateAug 22, 1978
Priority date
Expiry dateMay 4, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60K37/20
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

This instrument panel comprises at least two small rules or display panels of which one comprises a luminous member for displaying the values supplied from a pulse counter and the other comprises pilot-lamps carrying illuminated symbols corresponding to the magnitudes displayed for the various functions or physical conditions being measured, the device further comprising an electronic assembly consisting of a member adapted to emit periodic signals, of members for converting the signals transmitted from pickups or probes into modulated-frequency pulses, of switching members, of further display apparatus, of apparatus for adjusting the luminous intensity and of apparatus for actuating alarm devices.

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