JPH0516745A - On-vehicle information processing device - Google Patents

Abstract

PURPOSE:To provide an on-vehicle information processing device which is used by being mounted on a vehicle so as to carry out information display processing in order to support travel in the vehicle or to carry out various operations, for example, such as a route calculation up to destination. CONSTITUTION:A fellow occupant detecting means 10 detects a fellow occupant in an assistant driver's seat. On the other hand, a CPU4 judges whether or not a vehicle is put under a reference travel condition according to output of a vehicle speed sensor 2. In the case when the fellow occupant is detected, or in the case when the vehicle is put under the reference travel condition, a display control unit 7 allows input from a console 8 or a touch panel 9. Furthermore, in the case when the fellow occupant is in the assistant driver's seat, the input is received even if the vehicle is not put under the reference travel condition, so that desired information processing can be carried out without losing safety in vehicle travel.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mounted on a vehicle and used to display information for supporting traveling on the vehicle and to perform various calculations such as route calculation to a destination. The present invention relates to a computer information processing device.

[0002]

2. Description of the Related Art Conventionally, in order to support the traveling of a vehicle on an unfamiliar land or the like, a navigation device which displays a current position of the vehicle together with a road map on a display device such as a CRT or a liquid crystal display device. Is used by being installed in a vehicle. Recently, in such a navigation device, various functions such as a guidance function for displaying guidance information such as leisure land and golf courses on a display device, and a route guidance function for calculating an optimal route to a destination to guide the route. Are being prepared. Instructions for selecting these functions are input by a key input operation from a console provided in association with the display device or an input operation from a touch panel provided on the display surface of the display device.

Input from such a console is
In consideration of safety in running the vehicle, it is prohibited while the vehicle is running. For example, various instruction inputs are accepted by the navigation device only when the vehicle is stopped. Whether the vehicle is traveling can be detected, for example, by monitoring the output of a vehicle speed sensor for measuring the traveling distance.

[0004]

However, in the conventional navigation device, when the vehicle is traveling, even if there is a passenger in the passenger seat, input from the console or touch panel cannot be accepted. There is. That is, when the passenger in the passenger seat operates the console or the like, the input is not accepted although the problem of lack of safety in running the vehicle does not occur. For this reason, for example, when the guide information is to be displayed on the display device, the vehicle must be stopped once, and it is difficult to obtain desired information. Even if you want to obtain information from so-called roadside beacons that are placed on the roadside and emit various kinds of guidance information such as detailed map information around it and congestion status of the road, you can change the operation mode of the navigation device while the vehicle is running. There is also a problem that the information from the roadside beacon cannot be effectively used because it cannot be changed.

Therefore, an object of the present invention is to solve the above-mentioned technical problem and to accept an input from the input means even when the passenger is in the passenger seat even when the vehicle is not in the standard traveling state. Thus, it is an object of the present invention to provide an in-vehicle information processing device capable of performing desired information processing without impairing the safety of vehicle traveling.

[0006]

An on-vehicle information processing apparatus of the present invention for achieving the above object is mounted on a vehicle and used for information processing, and input means for performing various input operations. An in-vehicle information processing device having: a traveling state detecting means for detecting a reference traveling state of the vehicle; and a means for prohibiting an input from the input means when the traveling state detecting means does not detect the reference traveling state. At
When the passenger detection means for detecting the passenger in the passenger seat of the vehicle and the passenger detection means detect the passenger, regardless of whether or not the traveling state detecting means detects the reference traveling state. , And means for permitting acceptance of an input from the input means.

The passenger detecting means detects a seat belt switch for detecting the fastening of the seat belt of the passenger seat, a pressure switch for detecting that the passenger is seated in the passenger seat, or a presence / absence of a passenger in the passenger seat. It can be configured by an optical sensor for detecting.

[0008]

According to the above construction, when the passenger detecting means detects the passenger in the passenger seat, the input from the input means can be made even when the vehicle is in a traveling state other than the reference traveling state. Will be accepted. Accordingly, even when the vehicle is in a traveling state other than the reference traveling state, the passenger in the passenger seat can give various instructions to the information processing apparatus by operating the input means.

On the other hand, when the passenger in the passenger seat is not detected by the passenger detecting means, acceptance of the input from the input means is prohibited unless the reference traveling state is detected. Therefore, the driver can input an instruction to the device only when the vehicle is in the reference traveling state. As a result, safety in running the vehicle is also ensured.

[0010]

Embodiments will be described in detail below with reference to the accompanying drawings showing embodiments. FIG. 1 is a block diagram showing the basic configuration of a vehicle-mounted navigation device which is an embodiment of the vehicle-mounted information processing device of the present invention. This navigation device is installed in a vehicle and is used to support traveling in the vehicle, and the current position of the vehicle detected based on the outputs of the azimuth sensor 1 and the vehicle speed sensor 2 which is the traveling state detecting means is detected in the vicinity of the current position. The basic function is to display the information together with the road map on the display unit 3 composed of a CRT or a liquid crystal display device. In addition to the basic functions described above, this navigation device is provided with, for example, a guidance function for displaying guidance information on leisure land, golf course, hotel, parking lot, and the like, and a route guidance function for guiding a route to a destination. ing.

Outputs of the direction sensor 1 and the vehicle speed sensor 2 are given to a CPU (central processing unit) 4. CP
At U4, the output of the vehicle speed sensor 2 is integrated over a predetermined time period, and thereby the moving distance of the vehicle is calculated. Therefore, for example, if the accurate position of the vehicle before starting the vehicle is given, the position of the vehicle thereafter can be detected at the predetermined time intervals.

Based on the current position detected in this way, the CPU 4 causes the CD-R to pass through the memory drive 5.
A road map near the current position is read from the map memory 6 configured by OM or the like. The read road map is given to the display control unit 7 that controls the display unit 3, and the current position of the vehicle is displayed on the display unit 3 together with the road map. With respect to the display unit 3, a console 8 is provided for giving an instruction to the device to select various functions, and a touch panel 9 is provided on the display surface of the display unit 3. In this embodiment, the console 8 and the touch panel 9 serve as input means.

A passenger detector 10 for detecting a passenger in the passenger seat is connected to the CPU 4. The passenger detector 10 includes, for example, a seatbelt switch that detects fastening of a seatbelt in the passenger seat, a pressure switch that detects that the passenger is seated in the passenger seat, and the presence / absence of a passenger in the passenger seat. It can be configured by an optical sensor or the like for detecting. The seat belt switch is automatically turned on when the seat belt of the passenger seat is set, and is automatically turned off when the seat belt is removed. Also, when the pressure switch is used, the pressure switch is arranged on the seat or back of the passenger seat. Further, as the optical sensor, an infrared output sensor or the like provided on the console in the passenger seat can be used.

With such a configuration, the operator can perform an input operation from the console 8 or the touch panel 9 to
It is possible to change the scale of the road map, select and display guidance information, and set a destination for route guidance. In the present embodiment, the instruction input operation from the console 8 or the touch panel 9 as described above is allowed only when the vehicle is in the reference traveling state or the fellow passenger detector 10 detects a fellow passenger, In other states, acceptance of instruction input is prohibited. That is, under the control of the CPU 4, the display control unit 7 turns on / off an input switch (not shown) for acquiring signals from the console 8 and the touch panel 9. The standard traveling state means, for example, a state in which the vehicle is stopped or a state in which the vehicle speed is a predetermined value (for example, 5 km / h) or less.

In order to realize such an operation, the CPU
At 4, the processing shown in FIG. 2 is performed. In step n1,
The presence or absence of a passenger in the passenger seat is detected by referring to the output of the passenger detector 4. Based on this detection result, step n2
Then, it is determined whether or not there is a passenger in the passenger seat, and when there is a passenger, in step n6, the input switch of the display control unit 7 is turned on, and reception of an input from the console 8 and the touch panel 9 is permitted. Becomes
The subsequent process returns to step n1.

When it is determined in step n2 that there is no passenger, it is determined in step n3 whether or not the vehicle is in the reference traveling state by referring to the output of the vehicle speed sensor 1. Based on this detection result, in step n4, it is determined whether or not the vehicle is in the reference traveling state. When the vehicle is in the reference traveling state,
Go to step n6. In cases other than the standard traveling state, in step n5, the input switch of the display control unit 7 is turned off, and the reception of the input from the console 8 or the touch panel 9 is prohibited. The subsequent process returns to step n1.

Through such processing, the input from the console 8 and the touch panel 9 is accepted only when the vehicle is in the standard traveling state or when there is a passenger in the passenger seat. That is, even when the vehicle is traveling at a high speed, such as when the vehicle is not in the standard traveling state, if there is a passenger in the passenger seat, the operation is switched from the console 8 or the touch panel 9 and the function is changed. Can be displayed. Further, even when the vehicle is running, the console 8 or the touch panel 9 can be operated to appropriately acquire the information from the roadside beacon.

On the other hand, when there is no passenger in the passenger seat and the vehicle is not in the standard traveling state, the console 8
Alternatively, the input from the touch panel 9 cannot be accepted.
Therefore, in order to perform an input operation for switching functions, the driver needs to stop the vehicle once. As a result, under the situation where the driver himself / herself needs to operate the console 8 or the touch panel 9, acceptance of an input in a state other than the reference traveling state is prohibited, so that safety in traveling of the vehicle can be ensured.

The present invention is not limited to the above embodiment. For example, in the above embodiments, the navigation device whose main function is to support traveling in the vehicle has been described as an example, but the present invention can be widely applied to various information processing devices that can be mounted in the vehicle. Is something that can be done. In addition, various design changes can be made without changing the gist of the present invention.

[0020]

As described above, according to the on-vehicle information processing apparatus of the present invention, when there is a passenger in the passenger seat, the input means can be operated even when the vehicle is in a traveling state other than the reference traveling state. Is accepted. As a result, even when the vehicle is in a traveling state other than the reference traveling state, a passenger in the passenger seat can give various instructions to the device by operating the input means. As a result, desired information processing can be performed even in cases other than the reference traveling state. When there is no passenger in the passenger seat, the input is accepted only in the standard traveling state, so that safety in traveling of the vehicle can be secured.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of a navigation device that is an embodiment of an in-vehicle information processing device of the present invention.

FIG. 2 is a flowchart for explaining the operation.

[Explanation of symbols]

2 Vehicle speed sensor (running state detection means) 3 Display 4 CPU 7 Display control section 8 consoles (input means) 9 Touch panel (input means) 10 Passenger detector

Claims (4)

[Claims] 1. An input means mounted on a vehicle and used for information processing, for performing various input operations, a running state detecting means for detecting a reference running state of the vehicle, and the running state detecting means. In an in-vehicle information processing device having means for prohibiting reception of an input from the input means when the reference traveling state is not detected, a passenger detection means for detecting a passenger in a passenger seat of the vehicle, and this passenger detection When the means detects a passenger,
An in-vehicle information processing device, comprising: a unit that accepts an input from the input unit regardless of whether the traveling state detecting unit detects the reference traveling state. 2. The in-vehicle information processing apparatus according to claim 1, wherein the fellow passenger detecting means is a seat belt switch for detecting fastening of a seat belt of a passenger seat. 3. The in-vehicle information processing apparatus according to claim 1, wherein the fellow passenger detecting means is a pressure switch for detecting that the fellow passenger is seated in a passenger seat. 4. The in-vehicle information processing apparatus according to claim 1, wherein the passenger detection means is an optical sensor for detecting the presence or absence of a passenger in the passenger seat.