NAVIGATION SYSTEM, PORTABLE TERMINAL DEVICE, AND IN-VEHICLE DEVICE
First Claim
1. A navigation system for providing route information including an actual location of a vehicle, the navigation system comprising an in-vehicle device mounted on the vehicle and a portable terminal device carried by a passenger, whereinthe in-vehicle device includinga vehicle-information providing unit that collects and provides position information and movement information of the vehicle to the portable terminal device, anda display unit that displays image data sent from the portable terminal device, andthe portable terminal device includinga map-information acquiring unit that acquires map information from a map center device based on the position information and the movement information sent from the vehicle-information providing unit of the in-vehicle device,an actual-location calculating unit that calculates the actual location of the vehicle based on the position information and the movement information sent from the vehicle-information providing unit of the in-vehicle device, andan image-data generating unit that generates the image data in which the actual location calculated by the actual-location calculating unit is superposed on the map information acquired by the map-information acquiring unit.
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Accused Products
Abstract
A navigation system is configured such that: an in-vehicle device collects and provides position information and movement information of a vehicle to a portable terminal device, and displays image data sent from the portable terminal device; and the portable terminal device acquires map information from a map center device based on the position information and the movement information sent from the in-vehicle device, calculates an actual location of the vehicle based on the position information and the movement information sent from the in-vehicle device, and generates image data in which the calculated actual location is superposed on the acquired map information.
49 Citations
11 Claims
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1. A navigation system for providing route information including an actual location of a vehicle, the navigation system comprising an in-vehicle device mounted on the vehicle and a portable terminal device carried by a passenger, wherein
the in-vehicle device including a vehicle-information providing unit that collects and provides position information and movement information of the vehicle to the portable terminal device, and a display unit that displays image data sent from the portable terminal device, and the portable terminal device including a map-information acquiring unit that acquires map information from a map center device based on the position information and the movement information sent from the vehicle-information providing unit of the in-vehicle device, an actual-location calculating unit that calculates the actual location of the vehicle based on the position information and the movement information sent from the vehicle-information providing unit of the in-vehicle device, and an image-data generating unit that generates the image data in which the actual location calculated by the actual-location calculating unit is superposed on the map information acquired by the map-information acquiring unit.
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10. A portable terminal device for providing route information including actual location of a vehicle in cooperation with an in-vehicle device mounted on the vehicle, the portable terminal device comprising:
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a map-information acquiring unit that acquires map information from a map center device based on position information and movement information of the vehicle collected by the in-vehicle device; an actual-location calculating unit that calculates an actual location of the vehicle based on the position information and the movement information collected by the in-vehicle device; an image-data generating unit that generates image data by superposing the actual location calculated by the actual-location calculating unit on the map information acquired by the map-information acquiring unit; and an image-data providing unit that provides the image data generated by the image-data generating unit to the in-vehicle device.
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11. An in-vehicle device for providing route information including an actual location of a vehicle in cooperation with a portable terminal device carried by a passenger, the in-vehicle device comprising:
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a vehicle-information providing unit that collects and provides position information and movement information of the vehicle to the portable terminal device; and a display unit that displays image data sent from the portable terminal device.
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Specification