JP2002174523A - Navigation apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a navigation apparatus which can obtain an operation suitable for personal application when an onboard navigation apparatus is taken off a vehicle. SOLUTION: This apparatus is provided with a GPS receiver 12, a display part 15, a charging table based detection circuit 20 which performs detection with a charging table 22 to determine whether the navigation body 10 is carried on a vehicle or not and an information processor 11 to alter the scale of a map to be shown on the display part 15 based on the output of the detection circuit 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device, and more particularly to a navigation device applicable to both a vehicle-mounted device and a personal device.

[0002]

2. Description of the Related Art A conventional on-vehicle navigation device is equipped with a large-capacity storage device such as a CD-ROM or a DVD, and maps information stored in these storage devices based on, for example, position information of the navigation device. It is used for navigation (direction guidance) by reading out and displaying on a display device, and for displaying tourist information and the like.

[0003]

The conventional in-vehicle navigation device is used for displaying route guidance, sightseeing information, and the like as described above, and displays information previously incorporated in relation to position information. There is something to do, but it is assumed that it is mounted on the vehicle. Therefore,
Even if the navigation device is detached from the vehicle and used for personal use (portable use), for example, the scale of the screen is reduced to the size of the vehicle and is difficult to see. Has to be repeated to change the display to a display suitable for personal use.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has been developed in order to obtain an operation suitable for personal use when a vehicle-mounted navigation device is detached from a vehicle. The purpose is to provide.

[0005]

(1) A navigation device according to one aspect of the present invention includes a GPS receiver, a display unit, and a detection unit that detects whether or not a navigation body is mounted on a vehicle. Information processing means for switching control of the display unit based on the output of the detection means, wherein the information processing means changes the scale of the map displayed on the display unit based on the output of the detection means. In the present invention, the detecting means detects whether or not the navigation main body is mounted on the vehicle, and the information processing means includes a case where the navigation main body is mounted on the vehicle and is used for in-vehicle use and a case where the navigation main body is mounted on the vehicle. The control (in-vehicle mode, out-of-vehicle mode) for the display unit is switched between the case where the display unit is used for personal use and the scale of the map displayed on the display unit is changed between the in-vehicle mode and the outside mode.
For this reason, the navigation device can be appropriately used for both on-vehicle use and personal use.

(2) A navigation device according to another aspect of the present invention is the navigation device according to the above (1), wherein the detecting means comprises:
Whether the navigation body is mounted on the vehicle is detected based on whether the navigation body is mounted on the charging stand. In the present invention, the detecting means comprises:
When the navigation body is mounted on the vehicle,
Since the navigation main body is used in a state of being mounted on the charging stand, it is detected whether the navigation main body is mounted on the vehicle using such a usage pattern.

(3) In the navigation device according to another aspect of the present invention, in the device according to the above (1) or (2), the information processing means outputs the detection means when the navigation body is mounted on the vehicle. When the state is changed from to a state in which it is not mounted, the scale of the map to be displayed on the display unit is changed to display a detailed map (small scale). In the present invention,
When the navigation body changes from being mounted on the vehicle to not being mounted, the control is switched from the in-vehicle mode to the out-of-vehicle mode, and a detailed map is displayed on the display unit for convenience when walking and using. Display. In this way, a display suitable for personal use is displayed.

(4) A navigation apparatus according to another aspect of the present invention is the navigation apparatus according to any one of the above (1) to (3), wherein the output of the detection means is a navigation body mounted on a vehicle. When the state is changed from the non-mounted state to the mounted state, the scale of the map displayed on the display unit is changed to display a wide-area map (large scale). In the present invention, when the navigation body changes from a state where it is not mounted on the vehicle to a state where it is mounted on the vehicle, the control is switched from the outside mode to the in-vehicle mode so that it is convenient when mounted on the vehicle and used. (The moving speed of the vehicle is faster than walking.) A wide area map is displayed on the display unit. In this way, a display suitable for the vehicle is displayed. Note that the detailed map and the wide area map in the present invention mean that both scales are different, and the detailed map is a map whose scale is smaller than that of the wide area map.

(5) In the navigation device according to another aspect of the present invention, in any one of the above-mentioned (1) to (4), when the information processing means is turned off, the display unit at that time is operated. Of the map and the output of the detection means are stored. In the present invention, when the power is turned off, the scale information of the map displayed on the display unit at that time and the output of the detection unit are stored, so that when the power is turned on next time, Information is available.

(6) In the navigation device according to another aspect of the present invention, in the device according to the above (5), when the power-on operation is performed, the information processing unit outputs the output of the detection unit at that time and the power-off operation. The scale of the map to be displayed on the display unit is set based on the output of the detecting means. In the present invention, when the power is turned on, the scale of the map to be displayed on the display unit can be set in consideration of the power-off state and the power-on state.

(7) The navigation device according to another aspect of the present invention is the navigation device according to the above (6), wherein the information processing means outputs an output of the power-on detecting means and an output of the power-off detecting means. Are matched, a map is displayed on the display unit based on the scale information stored when the power is turned off. In the present invention, when the output of the power-on detection means and the output of the power-off detection means match, the state before and after the power off is the same, so that the scale is displayed at the power-off scale. Display the map in the section. For example, when the power-off control is in the in-vehicle mode, the control in the in-vehicle mode is continued even when the power is turned on (wide-area map display). Continue mode control (detailed map display).

(8) In the navigation device according to another aspect of the present invention, in the device according to the above (6) or (7), the information processing means is such that the output of the detection means when the power is turned on has the navigation body mounted on the vehicle. If the output of the power-off detection means indicates that the navigation body is not mounted on the vehicle, the scale of the map displayed on the display unit is changed to display a wide-area map. Let it.
In the present invention, when the power is turned off, the navigation body is not mounted on the vehicle, but when the power is turned on, the navigation body is mounted on the vehicle. The control is switched from the outside mode to the inside mode, and the scale of the map displayed on the display unit is changed to display the wide area map.
By switching the display in this manner, the display becomes suitable for the vehicle.

(9) The navigation apparatus according to another aspect of the present invention is the navigation apparatus according to any one of the above (6) to (8), wherein the information processing means outputs the output of the detection means when the power is turned on. Indicates that the vehicle is not mounted on the vehicle, and when the output of the detection unit when the power is turned off indicates that the navigation body is mounted on the vehicle,
The scale of the map displayed on the display unit is changed to display a detailed map. In the present invention, when the power was off, the navigation body was mounted on the vehicle,
If the navigation body is not mounted on the vehicle when the power is turned on, it is assumed that the usage pattern has changed, and the control is switched from the in-vehicle mode to the out-of-vehicle mode,
The scale of the map displayed on the display unit is changed to display a detailed map. Switching the display in this manner makes the display suitable for personal use.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. FIG. 1 is a block diagram illustrating a configuration of the navigation device according to the first embodiment of the present invention. A navigation body 10 of the navigation device 1 is configured to be detachable from a vehicle, and includes an information processing device 11, a GPS receiver (GPS tuner) 12, an operation unit (touch panel, remote controller) 13, map data, and the like. Stored storage unit 14, display unit (LCD panel, etc.) 15, backlight control circuit 1
7, a backlight 18, a charging control circuit 19, a charging stand detection circuit 20, and a storage battery 21. The navigation body 10 is mounted on a charging stand 22, and the voltage of a battery 23 mounted on a vehicle is supplied to a storage battery 21 via a charge control circuit 19, and the storage battery 21 is constantly charged. At this time, the charging stand detection circuit 19 detects the charging stand 2
2 and sends a detection signal to the information processing device 11. When the detection signal is input, the information processing device 11 performs processing as a conventional in-vehicle navigation device. When the navigation body 10 is detached from the charging stand 22 and used for personal use, processing suitable for the personal use is performed. Hereinafter, the details will be described as a second embodiment.

Embodiment 2 Figure 2 shows the navigation body 1
9 is a flowchart of an arithmetic process of the information processing apparatus 11 when changing the scale of the map between when the vehicle is mounted on the vehicle and when it is not mounted on the vehicle. (S11) When the power is turned on, the information processing device 11
It is determined whether or not the navigation main body 10 is mounted on the charging stand 22 based on whether or not there is a detection signal from the charging stand detection circuit 20. (S12) The information processing apparatus 11 performs the above processing (S11)
If it is determined that the navigation main body 10 is mounted on the charging stand 22 in (2), it is next determined whether the navigation main body 10 was mounted on the charging base 22 when the power was first turned off. This determination is made, as shown in FIG. 3 described later, by detecting whether or not the navigation main body 10 is attached to the charging stand 22 when the power is turned off, storing the state in the storage unit 14, and storing the state in the storage unit 14. This is done by reading out the data of

(S13) If the information processing apparatus 11 determines that the navigation main body 10 was mounted on the charging stand 22 when the power was turned off first in the above processing (S12), The map is displayed on the display unit 15 according to the reduced scale. In this case, both when the power is turned off and when the power is turned on, the navigation body 10 is connected to the charging stand 2.
2 and the control in the in-vehicle mode is continued. The display unit 15 displays the map that was displayed when the power was turned off (see FIG. 3 for the map information). Alternatively, a map centering on the current position obtained by the GPS receiver 12 may be displayed.

(S14) If the information processing apparatus 11 determines that the navigation main body 10 is not mounted on the charging stand 22 when the power is turned off first in the above processing (S12), the information processing apparatus 11 is detached. , A wide area map centering on the current position is displayed on the display unit 15. In this case, the navigation main body 10 is not mounted on the charging stand 22 when the power is turned off, but the navigation main body 10 is mounted on the charging stand 22 when the power is turned on. A map is displayed. At this time, the scale parameter of the wide area map is set to, for example, a 100 m scale map.

(S15) If the information processing apparatus 11 determines that the navigation main body 10 has not been mounted on the charging stand 22 and has been detached in the above processing (S11), then the power supply is turned off first. At this time, it is determined whether the navigation body 10 has been mounted on the charging stand 22.

(S16) If the information processing apparatus 11 determines that the navigation body 10 is mounted on the charging stand 22 when the power is turned off first in the above-described processing (S15), the information processing apparatus 11 centers on the current position. Then, a detailed map is displayed on the display unit 15. In this case, the navigation body 10 was attached to the charging stand 22 when the power was turned off, but the navigation body 10 was not attached to the charging stand 22 when the power was turned on, and the control was switched from the in-vehicle mode to the out-of-vehicle mode. A map is displayed. In the detailed map at this time, the scale parameter is set to, for example, a 10 m scale map.

(S17) If the information processing apparatus 11 determines that the navigation body 10 is not attached to the charging stand 22 and has been detached when the power is turned off first in the above processing (S15), Then, a map when the power is turned off is displayed on the display unit 15 (for the map information, see FIG.
reference). In this case, the navigation body 10 is not mounted on the charging stand 22 both when the power is turned off and when the power is turned on, and the control in the outside mode is continued. Also in this case, the map may be displayed centering on the current position instead of the map when the power is turned off.

(S18) The above processes (S11) through (S
17) is the initial process when the power is turned on.
The information processing device 11 determines whether the navigation body 10
It is determined whether or not is mounted on the charging stand 22.

(S19) If the information processing apparatus 11 determines that the navigation body 10 is mounted on the charging stand 22 in the above processing (S18), then the information processing apparatus 11 moves the navigation body 10 from the charging stand 22 Determine if you have been withdrawn.

(S20) If the information processing apparatus 11 determines that the navigation body 10 has separated from the charging stand 22 in the above processing (S19), it switches the control from the in-vehicle mode to the out-of-vehicle mode and changes the current position. A detailed map is displayed on the display unit 15 at the center.

(S21) If the information processing apparatus 11 determines that the navigation main body 10 has separated from the charging stand 22 in the above processing (S18), then the navigation main body 10 separates from the charging stand 22. Determine if it was done. (S22) The information processing apparatus 11 performs the above processing (S21)
When it is determined that the navigation body 10 is mounted on the charging stand 22, the control is switched from the outside mode to the inside mode to display a wide area map centering on the current position.

As described above, the processes (S11) to (S17) are performed when the power is turned on, and thereafter the process (S1) is performed.
8) to (S22) are repeated to display a detailed map when the mode changes from the in-vehicle mode to the out-of-vehicle mode, and to display a wide area map when the mode changes from the out-of-vehicle mode to the in-vehicle mode. In addition, the display corresponding to the user is made to improve the usability of the user.

FIG. 3 is a flowchart of the arithmetic processing of the information processing apparatus 11 when the power of the navigation body 10 is turned off. (S31) When the power is turned off by operating the operation unit 13, the information processing unit 11 stores various end states in the storage unit 14.
To save. The state at this time is, for example, the display unit 15
, And the scale parameter thereof. The map information and the scale parameter are used in the processing (S13) and (S17) in FIG. (S32) The information processing device 11 detects the state of attachment (attachment or detachment) of the navigation body 10 to the charging stand 22 based on the detection signal from the charging stand detection device 20, and stores it in the storage unit 14. This attachment state (attachment or detachment) is used in the processes (S12) and (S15) of FIG. (S33) The information processing device 11 causes the display unit 15 to display an end screen. (S34) Then, the main power supply is turned off.

In this embodiment, the operation when the control is switched from the outside mode to the inside mode and when the control is switched from the outside mode to the inside mode are described. In each of the inside mode and the outside mode,
It goes without saying that the scale parameter can be arbitrarily changed by operating the operation unit 13. Also,
When the mode changes from the outside mode to the inside mode or vice versa as described above, not only the scale parameter,
Other elements can be arbitrarily changed together. For example, in the outside-of-vehicle mode, the direction of the map displayed on the display unit 15 is fixed (for example, north) or displayed on the display unit 15.
, The scrolling speed of the GPS receiver 12 is made slower than that in the in-vehicle mode, the time interval of the measurement processing of the GPS receiver 12 is made larger than the time interval of the measurement processing in the in-vehicle mode,
The frequency of the drive clock of the PS receiver is made lower than the frequency of the drive clock in the in-vehicle mode, or the brightness of the backlight 18 is made darker than that in the in-vehicle mode, so that it is compatible with personal use. Appropriate operation is obtained.

[0028]

As described above, according to the present invention, whether or not the navigation body is mounted on the vehicle is detected, and the control of the display unit is performed depending on whether the navigation body is mounted on the vehicle or not. Since the scale of the map is changed by switching between the (in-vehicle mode and the out-of-vehicle mode), the navigation device can be appropriately used for both on-vehicle use and personal use.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a navigation device according to a first embodiment of the present invention.

FIG. 2 is a flowchart of a calculation process of the information processing apparatus when changing the scale of the map when the navigation body of FIG. 1 is mounted on a vehicle and when it is not mounted on the vehicle.

FIG. 3 is a flowchart of a calculation process of the information processing apparatus when the power of the navigation main unit of FIG. 1 is turned off.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Navigation apparatus 10 Navigation main body 11 Information processing apparatus 12 GPS receiver 13 Operation part 14 Storage part 15 Display part 17 Backlight control circuit 18 Backlight 19 Charge control circuit 20 Charge stand detection circuit 21 Storage battery

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kenichiro Yajima 3-3-5 Yamato, Suwa-shi, Nagano Seiko Epson Corporation (72) Inventor Yasuyuki Kobayashi 3-3-5, Yamato, Suwa-shi, Nagano Seiko-Epson In-house F term (reference) 2C032 HC08 HC11 HC24 2F029 AA02 AA07 AB07 AC02 AC06 AD07 5H180 AA01 AA21 BB08 CC12 FF05 FF22 FF27 FF33

Claims (9)

[Claims] 1. A GPS receiver, a display unit, a detecting unit for detecting whether a navigation body is mounted on a vehicle, and an information processing unit for switching control of the display unit based on an output of the detecting unit. The information processing means, based on the output of the detection means,
A navigation device, wherein a scale of a map displayed on the display unit is changed. 2. The apparatus according to claim 1, wherein the detection unit detects whether the navigation body is mounted on a vehicle based on whether the navigation body is mounted on a charging stand. Navigation device. 3. The information processing means changes a scale of a map to be displayed on the display unit when an output of the detection means changes from a state where the navigation body is mounted on the vehicle to a state where it is not mounted on the vehicle. 3. The navigation device according to claim 1, wherein a detailed map is displayed. 4. The information processing means changes a scale of a map to be displayed on the display unit when an output of the detection means changes from a state where the navigation body is not mounted on the vehicle to a state where the navigation body is mounted on the vehicle. The navigation device according to any one of claims 1 to 3, wherein a wide area map is displayed. 5. The information processing means according to claim 1, wherein, when a power-off operation is performed, scale information of a map displayed on a display unit at that time and an output of said detection means are stored. The navigation device according to any one of claims 1 to 4. 6. The information processing means sets a scale of a map to be displayed on the display unit based on an output of the detection means at that time and an output of the detection means when the power is turned off, when a power-on operation is performed. The navigation device according to claim 5, wherein 7. The information processing means, when the output of the power-on detection means and the output of the power-off detection means match, based on the scale information stored when the power is off. 7. A map is displayed on the display unit.
A navigation device as described. 8. The information processing means, wherein the output of the power-on detection means indicates a state in which the navigation body is mounted on the vehicle, and the output of the power-off detection means indicates that the navigation body is The navigation device according to claim 6, wherein when a state in which the vehicle is not mounted on a vehicle is displayed, a scale of a map displayed on the display unit is changed to display a wide area map. 9. The information processing means according to claim 1, wherein an output of said power-on detection means indicates a state in which said navigation body is not mounted on a vehicle, and an output of said power-off detection means indicates that said navigation body is The navigation according to any one of claims 6 to 8, wherein when displaying a state of being mounted on the vehicle, a scale of a map displayed on the display unit is changed to display a detailed map. apparatus.