[54] NAVIGATION APPARATUS
[75] Inventor: Takashi Kashiwazaki, Saitama, Japan
[73] Assignee: Pioneer Electronic Corporation,
Tokyo, Japan
[21] Appl. No.: 905,435
[22] Filed: Jun. 29, 1992
[30] Foreign Application Priority Data
Aug. 29, 1991 [JP] Japan 3-218935
[51] Int. CI.* G06F 15/50
[52] U.S. CI 364/449; 364/444;
340/990; 340/994; 340/995
[58] Field of Search 364/443, 444, 449, 446;
73/178 R; 340/988, 990, 992, 993, 994, 995
[56] References Cited
U.S. PATENT DOCUMENTS
4,799,162 1/1989 Shinkawa et al 340/994
4,814,989 3/1989 Dobereiner et al 340/988
4,992,947 2/1991 Nimura et al 340/990
5,122,959 6/1992 Nathanson et al 340/993
OTHER PUBLICATIONS
Patent Abstracts of Japan, vol. 14, No. 325 (P-1075) Jul. 12, 1990 (JPA 2107917).
Patent Abstracts of Japan, vol. 16, No. 75 (P-1316) Feb. 24, 1992 (JPA 3264815).
Primary Examiner—Gary Chin
Attorney, Agent, or Firm—Sughrue, Mion, Zinn,
Macpeak & Seas
[57] ABSTRACT
A one-day schedule data representing a plurality of destination information each including a location of a destination and its scheduled arrival time is stored in advance in a nonvolatile RAM of a controller. As a vehicle moves, the controller selects, at predetermined time intervals, the destination information of the destination having the scheduled arrival time closest to the present time among the destinations that have not been reached yet.
4 Claims, 5 Drawing Sheets
