Point selecting apparatus for use in an on-board navigation system
US5124924A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1991 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | Jul 5, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0489
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A point selecting apparatus for use in an on-board navigation system configured to display a map on a display on the basis of map data stored in a memory. The apparatus is characterized by the provision of a plurality of point-select keys, four cursor keys, a delete command key, a register command key, and a control means adapted to perform control operations to eliminate from the memory or register into the memory coordinate data of a point in the vicinity of a point indicated by the position of a cursor after a key entry of any one of the plurality of point-select keys, in response to a key entry of the delete command key or the register command key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.