Point selecting apparatus for use in an on-board navigation system

• US 5,124,924 A
• Filed: 07/05/1991
• Issued: 06/23/1992
• Est. Priority Date: 06/27/1988
• Status: Expired due to Term

• Current Assignee: Pioneer Electronics (USA) Incorporated (Pioneer Corporation)
• Original Assignee: Pioneer Electronics (USA) Incorporated (Pioneer Corporation)
• Inventors: Araki, Morio, Fukushima, Atsuhiko
• Primary Examiner(s): Black, Thomas G.
• Application Number:
  US07/727,399
• Time in Patent Office: 354 Days
• Field of Search: 364/449, 364/443, 364/424.01, 364/436, 340/990, 340/995
• US Class Current: 701/208
• CPC Class Codes: G01C 21/3614 through interaction with a road map, e.g. selecting a POI icon on a road map
• CPC Class Codes: G06F 3/0489 using dedicated keyboard keys or combinations thereof

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.

Claims

1. 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, for arbitrarily selecting a point on said map, and for eliminating or registering coordinate data of a point in the vicinity of a selected point from or into said memory, said apparatus comprising:

a plurality of point-select keys each having a different function, said plurality of point-select keys including a point point-select key, a destination point-select key, and a route point-select key used to designate a route, only one of said point-select keys being required to be operated to designate a point, a destination, or a route;

four cursor keys for commanding movement of a cursor displayed on said display in the four directions of upward, downward, left and right on said display;

a delete command key for commanding elimination of coordinate data of a point in the vicinity of a point where said cursor is placed when said coordinate data of said point is to be eliminated;

a register command key for commanding registration of coordinate data of a point in the vicinity of a point where said cursor is placed when said coordinate data of said point is to be registered; and

control means for controlling elimination of said coordinate data from said memory and registration of said coordinate data into said memory, wherein said control means performs control operations to eliminate or register coordinate data of a point in the vicinity of a point indicated by a position of said cursor after a key entry of a point-select key, in response to a key entry of said delete command key or said register command key.

2. A method of updating an on-board navigation system, comprising the steps of:

(a) determining whether one of a point key, a destination key, and a route point key has been operated;

(b) if step (a) results in a determination that one of said point, destination, and route point keys have been operated, setting a flag in a register to a value corresponding to the key which has been operated;

(c) determining whether one of a plurality of cursor key has been operated;

(d) determining whether one of a delete command key and a register command key has been operated;

(e) if said register command key was operated as determined in step (d) and said destination key was operated as determined in step (a), registering onto a memory coordinates of a cursor as destination point data;

(f) if said register command key was operated as determined in step (d) and said route point key was operated as determined in step (a), registering into memory coordinates of said cursor as route point data; and

(g) if said delete command key was operated as determined in step (d), eliminating data of a point, corresponding to a flag set in step (b) near coordinates of said cursor, from said memory.