Patent · US Expired

Travel locus display device

US4528552A · kind A · utility

49Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 1982
Grant dateJul 9, 1985
Priority date
Expiry dateJun 9, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C21/3676
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A travel locus display device has a display unit such as a CRT display to display a start point and a destination point of a vehicle and a travel locus of the vehicle from the start point to the destination point on a coordinate display area of a display screen of the display unit. The display screen is divided into four quadrants, one of which is selected as a display quadrant to which the destination point belongs. The display quadrant is displyed over an entire area of the coordinate display area.

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