Car navigation apparatus, PC card for information updating, and information updating method of car navigation apparatus
First Claim
1. A car navigation apparatus comprising:
- a mass storage device;
an internal controller that reads out and processes information stored in the mass storage device;
a PC card slot into which a PC card that communicates with an external device through the internal controller may be inserted;
a PC card controller that controls a PC card inserted into the PC card slot through the internal controller;
a switch A installed on a storage device signal line that connects the mass storage device and the internal controller;
a switch B installed on a PC card signal line that connects the PC card controller and the PC card slot;
a bypass signal line that connects the storage device signal line between the switch A and the mass storage device to the PC card signal line between the switch B and the PC card slot; and
a switch C installed on the bypass signal line, wherein opening and closing of the switch A, the switch B, and the switch C are controlled according to kind of the PC card that is inserted in the PC card slot and whether the PC card is inserted in the PC card slot.
1 Assignment
0 Petitions
Accused Products
Abstract
A car navigation apparatus includes: a mass storage device; an internal controller that reads out and processes information stored in the mass storage device; a PC card slot into which a PC card that communicates with an external device through the internal controller is inserted; a PC card controller that controls the PC card; a switch A installed on a storage device signal line connecting the mass storage device and the internal controller; a switch B installed on a PC card signal line connecting the PC card controller and the PC card slot; a bypass signal line that connects the storage device signal line and the PC card signal line; and a switch C installed on the bypass signal line. Opening and closing of the switches A, B, and C are controlled according to kind of the PC cardinserted in the PC card slot and whether the PC card is inserted in the PC card slot.
7 Citations
9 Claims
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1. A car navigation apparatus comprising:
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a mass storage device; an internal controller that reads out and processes information stored in the mass storage device; a PC card slot into which a PC card that communicates with an external device through the internal controller may be inserted; a PC card controller that controls a PC card inserted into the PC card slot through the internal controller; a switch A installed on a storage device signal line that connects the mass storage device and the internal controller; a switch B installed on a PC card signal line that connects the PC card controller and the PC card slot; a bypass signal line that connects the storage device signal line between the switch A and the mass storage device to the PC card signal line between the switch B and the PC card slot; and a switch C installed on the bypass signal line, wherein opening and closing of the switch A, the switch B, and the switch C are controlled according to kind of the PC card that is inserted in the PC card slot and whether the PC card is inserted in the PC card slot. - View Dependent Claims (2, 3, 4)
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5. A PC card for information updating used by being inserted into a PC card slot in case of direct writing of information on a mass storage device included in a car navigation apparatus, comprising:
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a signal terminal structure and a shape capable of insertion into the PC card slot; and a storage device interface circuit that controls the direct writing of information through an external device on the mass storage device, wherein the car navigation apparatus includes; an internal controller that reads out and processes information stored in the mass storage device, the PC card slot into which a PC card that communicates with an external device through the internal controller may be inserted, a PC card controller that controls a PC card inserted into the PC card slot through the internal controller, a switch A installed on a storage device signal line that connects the mass storage device and the internal controller, a switch B installed on a PC card signal line that connects the PC card controller and the PC card slot, a bypass signal line that connects the storage device signal line between the switch A and the mass storage device to the PC card signal line between the switch B and the PC card slot; and a switch C installed on the bypass signal line, and opening and closing of the switch A, the switch B, and the switch C are controlled according to kind of PC card that is inserted in the PC card slot and whether the PC card is inserted in the PC card slot. - View Dependent Claims (6, 7)
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8. An information updating method of a car navigation apparatus which comprises:
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a mass storage device; an internal controller that reads out and processes information stored in the mass storage device; a PC card slot into which a PC card that communicates with an external device through the internal controller may be inserted; a PC card controller that controls a PC card inserted in the PC card slot through the internal controller; a switch A installed on a storage device signal line that connects the mass storage device and the internal controller; a switch B installed on a PC card signal line that connects the PC card controller and the PC card slot; a bypass signal line that connects the storage device signal line between the switch A and the mass storage device to the PC card signal line between the switch B and the PC card slot; and a switch C installed on the bypass signal line, the method comprising; directly rewriting information stored in the mass storage device through a PC card for information updating by controlling opening and closing of the switch A, the switch B, and the switch C according to whether the PC card for information updating is inserted in the PC card slot, wherein the PC card for information updating is used by being inserted into the PC card slot in case of direct writing of information on the mass storage device, and includes; a signal terminal structure and a shape capable of insertion into the PC card slot, and a storage device interface circuit that controls the direct writing of information through an external device on the mass storage device. - View Dependent Claims (9)
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Specification