Position display apparatus
US5113178A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1989 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Jan 30, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/901
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A position display apparatus comprises a frame having a space for setting a map book; a memory for storing date on the map book; a position detector for detecting a position; a display provided on or in the vicinity of the frame; and a control means for selecting a page of the map book in accordance with map data stored in the memory and position information detected by the position detector, and for giving an instruction to the display to enable the display to display the data concerning the number of the selected page. The control gives an instruction to the display for displaying the number of the selected page. Alternatively, the control gives an instruction to the display for displaying coordinate data on the basis of the position detected by said position detector and the selected page.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.