Route Display Device and Navigation Device

• US 20090005962A1
• Filed: 01/19/2007
• Published: 01/01/2009
• Est. Priority Date: 01/19/2006
• Status: Abandoned Application

• Current Assignee: Pioneer Corporation
• Original Assignee: Pioneer Corporation
• Inventors: Shinto, Koji
• Application Number:
  US12/161,635
• Publication Number:
  US 20090005962A1
• Time in Patent Office: Days
• US Class Current: 701/200
• CPC Class Codes: G01C 21/3415 Dynamic re-routing, e.g. recalculating the route when the user deviates from calculated route or after detecting real-time traffic data or accidents
• CPC Class Codes: G01C 21/3492 employing speed data or traffic data, e.g. real-time or historical traffic control systems for road vehicles involving transmission of navigation instructions to the vehicle G08G1/0968
• CPC Class Codes: G08G 1/096827 where the route is computed onboard
• CPC Class Codes: G08G 1/096838 where the user preferences are taken into account or the user selects one route out of a plurality
• CPC Class Codes: G08G 1/096844 where the complete route is dynamically recomputed based on new data
• CPC Class Codes: G08G 1/096861 where the immediate route instructions are output to the driver, e.g. arrow signs for next turn
• CPC Class Codes: G09B 29/10 Map spot or coordinate position indicators; Map reading aids optical projection apparatus per se G03B
• CPC Class Codes: G09B 29/106 using electronic means

Abstract

A route display device (100) has a display section (101) for displaying a route. A search section (102) searches, when it becomes difficult for a mobile body to move along a route being displayed, for another route different from the route being displayed. A control section (103) causes the searched another route to be displayed on the display section (101) An input section (104) receives a user'"'"'s command input instructing whether the route to be displayed is switched over from the route being displayed to that another route. When the input section (104) receives a command input riot allowing the route to be displayed to be switched over from the route being displayed to that another route, the control section (103) controls display of another route that is searched afterward according to modes of command inputs.

Claims

1-10. -10. (canceled)

11. A route display device that includes a display unit displaying a route, the route display device comprising:

a retrieving unit that retrieves an alternative route different from the route being displayed when an event occurs that makes travel difficult, for a mobile object, along the route being displayed;

a control unit that controls the display unit to display the alternative route retrieved; and

an input unit that receives an instruction that is input by a user when the alternative route is displayed and indicates whether to switch the route being displayed to the alternative route, wherein

the control unit, when the instruction received indicates not to switch the route being displayed to the alternative route, according to a mode of input of the instruction, controls display of an alternative route retrieved thereafter.

12. The route display device according to claim 11, wherein the control unit, when the mode of input of the instruction indicating not to switch the route being displayed to the alternative route is a predetermined mode, performs control such that an alternative route retrieved thereafter is not displayed.

13. The route display device according to claim 12, wherein the control unit, when control is such that the alternative route is not to be displayed, controls the display unit to display indication of such control,

14. The route display device according to claim 12, further comprising an informing unit that, when the control by the control unit is such that the alternative route is not to be displayed, informs the user that the alternative route is not to be displayed.

15. A navigation device that includes a retrieving unit that retrieves a route and a guiding unit that provides guidance along the route retrieved, the navigation device comprising:

a control unit that controls the retrieving unit to retrieve an alternative route different from the route for which guidance is being provided when an event occurs that makes travel difficult for a mobile object being guided along the route;

an informing unit that informs a user of the alternative route retrieved; and

an input unit that, when the user is informed of the alternative route, receives an instruction that is input by the user and that indicates whether to switch the route to the alternative route, wherein

the control unit, when the instruction received indicates not to switch the route to the alternative route, according a mode of input of the instruction, controls retrieval of an alternative route performed thereafter by the retrieving unit.

16. A display control method of a route display device that displays a route, the display control method comprising:

obtaining information concerning an event that makes travel of a mobile object difficult;

determining, when the information concerning the event is obtained, whether the event occurs along the route being displayed;

retrieving an alternative route that is different from the route being displayed, when it is determined that the event occurs along the route being displayed;

displaying the alternative route on the route display device;

receiving an instruction that is input by a user when the alternative route is displayed and that indicates whether to switch the route being displayed to the alternative route; and

controlling, when the instruction received indicates not to switch the route being displayed to the alternative route and according to a mode of input of the instruction, display of an alternative route retrieved thereafter.

17. A retrieval control method of a navigation device comprising:

obtaining information concerning an event that makes travel of a mobile object difficult;

determining, when the information concerning the event is obtained, whether the event occurs along a route for which guidance is being provided;

causing the navigation device to retrieve an alternative route that is different from the route for which guidance is being provided, when it is determined that the event occurs along the route for which guidance is being provided;

informing a user of the alternative route retrieved;

receiving an instruction that is input by the user when the user is informed of the alternative route and that indicates whether to switch the route for which guidance is being provided to the alternative route; and

controlling, when the instruction received indicates not to switch the route for which guidance is provided to the alternative route and according to a mode of input of the instruction, display of an alternative route retrieved thereafter.

18. A computer-readable recording medium storing therein a display control program that causes a computer execute:

obtaining information concerning an event that makes travel of a mobile object difficult;

determining, when the information concerning the event is obtained, whether the event occurs along a route being displayed by a route display device;

retrieving an alternative route that is different from the route being displayed, when it is determined that the event occurs along the route being displayed;

displaying the alternative route on the route display device;

receiving an instruction that is input by a user when the alternative route is displayed and that indicates whether to switch the route being displayed to the alternative route; and

controlling, when the instruction received indicates not to switch the route being displayed to the alternative route and according to a mode of input of the instruction, display of an alternative route retrieved thereafter.

19. A computer-readable recording medium storing therein a retrieval control program that causes a computer execute:

obtaining information concerning an event that makes travel of a mobile object difficult;

determining, when the information concerning the event is obtained, whether the event occurs along a route for which guidance is being provided;

causing the navigation device to retrieve an alternative route that is different from the route for which guidance is being provided, when it is determined that the event occurs along the route for which guidance is being provided;

informing a user of the alternative route retrieved;

receiving an instruction that is input by the user when the user is informed of the alternative route and that indicates whether to switch the route for which guidance is being provided to the alternative route; and

controlling, when the instruction received indicates not to switch the route for which guidance is provided to the alternative route and according to a mode of input of the instruction, display of an alternative route retrieved thereafter.