Navigation system
First Claim
1. A navigation system comprising:
- a present position detecting device for detecting a present position of a movable body;
a reading device for reading map data recorded on a recording medium;
a nonvolatile storage device for storing the map data thereon;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for reading the recorded map data corresponding to the area from the recording medium and transmitting the read map data to the nonvolatile storage device at a predetermined timing; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the nonvolatile storage device.
1 Assignment
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Accused Products
Abstract
A navigation system is provided with: a present position detecting device for detecting a present position of a movable body; a reading device for reading map data recorded on a recording medium; a nonvolatile storage device for storing the map data thereon; a selecting device for selecting an area as an object to be transmitted in accordance with the present position; a transmitting device for reading the recorded map data corresponding to the area from the recording medium and transmitting the read map data to the nonvolatile storage device at a predetermined timing; and a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the nonvolatile storage device.
25 Citations
32 Claims
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1. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a reading device for reading map data recorded on a recording medium;
a nonvolatile storage device for storing the map data thereon;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for reading the recorded map data corresponding to the area from the recording medium and transmitting the read map data to the nonvolatile storage device at a predetermined timing; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the nonvolatile storage device. - View Dependent Claims (4, 5, 6)
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2. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a reading device for reading map data recorded on a recording medium;
a nonvolatile storage device for storing the map data thereon;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for reading the recorded map data corresponding to the area from the recording medium and transmitting the read map data to the nonvolatile storage device at a predetermined timing; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the nonvolatile storage device, wherein the nonvolatile storage device has a faster access time than the reading device. - View Dependent Claims (3)
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7. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a reading device for reading map data recorded on a recording medium;
a nonvolatile storage device for storing the map data thereon;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for reading the recorded map data corresponding to the area from the recording medium and transmitting the read map data to the nonvolatile storage device at a predetermined timing; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the nonvolatile storage device, wherein the transmitting device transmits the map data every time when the movable body moves a predetermined distance.
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8. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a reading device for reading map data recorded on a recording medium;
a nonvolatile storage device for storing the map data thereon;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for reading the recorded map data corresponding to the area from the recording medium and transmitting the read map data to the nonvolatile storage device at a predetermined timing; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the nonvolatile storage device, wherein block map data is recorded on the recording medium every block unit into which the entire map is divided, the reading device reads the map data from the recording medium in the block map data unit, the nonvolatile storage device stores and reads the map data in the block map data unit. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a communicating device for communicating with an external source to the movable body to obtain map data;
a nonvolatile storage device for storing the map data thereon;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for obtaining the map data from the external of the movable body through the communicating device and transmitting the obtained map data to the nonvolatile storage device at a predetermined timing; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the nonvolatile storage device.
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15. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a reading device for being loaded with a recording medium on which map data is recorded and reading the map data from the loaded recording medium;
a nonvolatile storage device for storing the map data thereon;
an operating device for providing an instruction to eject the recording medium loaded in the reading device;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for reading the map data from the recording medium through the reading device and transmitting the read map data to the nonvolatile storage device when the instruction to eject is provided by the operating device;
an eject controlling device for controlling an ejecting operation of the recording medium from the reading device after the transmitting operation is completed by the transmitting device; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the stored map data on the nonvolatile storage device after the recording medium is ejected from the reading device. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a reading device for being loaded with a recording medium on which map data is recorded and reading the map data from the loaded recording medium;
a nonvolatile storage device for storing the map data thereon;
an operating device for providing an instruction to transmit the map data from the reading device to the nonvolatile storage device;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position; and
a transmitting device for reading the map data from the recording medium through the reading device and transmitting the read map data to the nonvolatile storage device when the instruction to transmit is provided by the operating device. - View Dependent Claims (28, 29, 30, 31)
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32. A navigation system comprising:
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a present position detecting device for detecting a present position of a movable body;
a reading device for reading map data recorded on a recording medium;
a readable/writable storage device for storing the map data thereon;
a selecting device for selecting an area as an object to be transmitted in accordance with the present position;
a transmitting device for reading the recorded map data corresponding to the area from the recording medium and transmitting the read map data to the readable/writable storage device at a predetermined timing; and
a controlling device for controlling a navigation operation to assist the movable body in traveling on the basis of the recorded map data on the recording medium and the stored map data on the readable/writable storage device.
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Specification