JP2003089320A - Display control method in display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display control method characterized by preventing a display device from performing a display when a user drives an automobile in an equipped state of the display device, in the display device for visually recognizing characters and images on the same visual axis as the outside scene, like a head up display. SOLUTION: When the connection of the display device like the head up display and portable type electronic equipment for inputting data, etc., by a cable, etc., receiving of a signal from communication equipment installed in the automobile by communication equipment equipped on the display device, and seating on a driver's seat and driving of the user equipping the display device are recognized, the driving is prevented from being hindered by a display not related to the driving during the driving and the display device is not required to be removed for the driving by preventing the display in the display device and switching to sound information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a user with an electronic device equipped with a head-mounted display type display device as a display device, and the vehicle body of an automobile or the like as a means of transportation. The present invention relates to a display control method of the display display device when driving.

[0002]

2. Description of the Related Art Generally, in a wearable type portable electronic device, a head mounted display (HMD) or a face mounted display which is worn on the head in the form of headphones or glasses as a display device for displaying data and images. (FMD) and head-up display (HUD).

When using a portable electronic device equipped with these display devices, image information such as data is displayed on the same line of sight as the outside world, so that the portable electronic device main body can be placed on a desk or by hand. It is possible to obtain information from the display device while carrying out standing work or walking without holding.

[0004]

However, it is conceivable to drive a vehicle such as an automobile as a moving means with the display device mounted, but information unrelated to the driving is suddenly visible. When the vehicle appears, the image data is constantly scrolled on the line of sight, or the image data is displayed in the full field of view, it is impossible to concentrate on driving the vehicle or the view in the traveling direction is blocked. May cause an accident in the worst case.

As a method of preventing the situation described above, the power supply of the portable electronic device main body is turned off before getting on the vehicle body or during driving so that the display device does not display anything. However, it is necessary to remove the attached display device, and the function as a wearable type portable electronic device, which is intended to be worn at all times, is reduced.

[0006]

The present invention has been made in view of the above-mentioned problems, and in order to solve this problem, a display device such as a head-up display for driving a vehicle such as an automobile of the present invention. The image display control method is provided with the following configuration.

In the first aspect of the invention, display output means for converting information such as data into an image and projecting the image in a certain direction, and a scene in front of the user's line of sight and in front of the user can be visually recognized. In addition to being made of transparent material,
A display device having a function of reflecting an image projected by the display output means in a direction that can be visually recognized by an operator, and a vehicle body such as an automobile for the purpose of movement, are provided with information on a driver's seat of the vehicle body. A vehicle-mounted communication device that communicates with the display device or an electronic device connected to the display device communicates with the vehicle-side communication device by a communication unit that allows a user wearing the display device to drive the vehicle body. The display control method is characterized in that no display is made on the display device when the user is seated.

According to a second aspect of the present invention, in the display control method according to the first aspect, the display device includes information input means, a printer, etc., and is configured to be connectable to an electronic device for generating display data. It is a thing.

According to a third aspect of the present invention, in the display control method according to the first aspect, there is provided a means for converting character information to be displayed into voice information, a speaker for outputting the voice information, and the like. When the user wearing the display device is located in the driver's seat of the vehicle body, not displaying on the display device and outputting character information to be displayed as voice information. Display control method.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 shows a head-up display type display device according to a first embodiment of the present invention, a vehicle as a moving means, and a user equipped with a portable electronic device connected to the display device. It is a figure showing composition and a physical relationship.

In the figure, reference numeral 1 denotes a vehicle as a moving means, and in the present embodiment, an automobile is shown as shown in FIG. 2 is a head-mounted display type equipped on the user's head and equipped with a function that allows the user to see the visual field information of the outside world as well as the image information transmitted from the portable electronic device body on the same line of sight. Display device, 3
Is a communication device that is provided in the display device 2 and communicates with a communication device that is provided inside the vehicle 1 that is a means of transportation. In this embodiment, an infrared communication device (IRD) is used.
A module).

4 is connected to the display device 2,
Reference numeral 5 denotes a portable electronic device main body that controls display of image information, data such as characters, and the like, and controls for performing communication by the infrared communication device 3. Reference numeral 5 denotes the portable electronic device 4 equipped with the display device 2. The infrared communication device 6 is installed in the vehicle body of the vehicle 1 and is installed in the display device 2 having directivity so that it can communicate only with the space located in the driver's seat. 3 is an infrared communication device installed in a vehicle for communicating with the vehicle.

FIG. 2 shows the first embodiment of the present invention.
The external appearance of the display device 2 is shown, and 10 is made of a transparent material so that the user can recognize the front scene when the user equips it, and the image is projected by the information projection device provided in the display device. Reference numeral 11 denotes a transmissive image information reflection plate having a function of reflecting an image of character information or the like in a direction visible to a user, and 11 is an image information projection for projecting characters, image information, or the like onto the image information reflection plate It is a device.

Reference numeral 12 is image data projected by the image information projection device 11 and reflected by the image reflection plate so that it can be visually recognized by the user. Reference numeral 13 is provided in the display device 2 to provide voice information and the like to the user. And a speaker 14 for transmitting data to the portable electronic device main body 4 for controlling display data and display control for the display device 2 with an input device and a printer for inputting data. Yes, 15 is a connector for connecting the cable 14 and the display device main body 2.

FIG. 3 shows the system configuration of the display device of the present invention and the body of the portable electronic device.
Reference numeral 1 denotes a system unit of the display device, 22 denotes a communication control device for controlling the infrared communication device, and 2
Reference numeral 3 is an audio output device composed of an amplifier or the like for driving the speaker, and 24 is for driving a backlight provided inside the image information projection device 11 to control the adjustment of brightness. It is a backlight drive device, 2
Reference numeral 5 denotes an LCD controller for driving a transmissive LCD panel provided inside the image information projection device 11.

Reference numeral 26 is a backlight, 27 is a transmissive LCD panel for displaying characters and images, and 28
Is illuminated by a backlight 26 that serves as a light source, and is transmitted through a LC
It is a lens for enlarging / reducing the image display light beam passing through the D panel 27 to an appropriate size.

Reference numeral 29 is an image display light beam emitted from the image information projection device 11, 30 is an external light beam containing image information of an external scene, and 31 is the image display light beam 29 of the transmissive type. The light ray reflected by the image information reflection plate 10 and the external light ray 30 are the light rays that are transmitted through the transmissive image reflection plate 10, and the user sees this light ray 31 and Both the external scene and the image information such as characters transmitted from the portable electronic device body can be visually recognized on the same line of sight.

Reference numeral 32 denotes a system section in the body of the portable electronic device, and 33 is a CPU for controlling the electronic device system.
(Central processing unit), 34 is a main storage device that stores application programs and data, 35 is an auxiliary storage device that can read and write files such as a hard disk and a memory card, 36 is a printer for printing numerical results, etc. Reference numeral 37 is an input device equipped with a keyboard and a touch panel for inputting characters and data, and 38 is an appropriate voltage and current for supplying power supplied from a battery to the system unit 32 of the electronic device main body and the system unit 21 of the display device. Reference numeral 39 is a power supply circuit section for supplying power, 39 is a main battery for supplying power to the power supply section, and 40 is an on / off switch for turning on / off the portable electronic device.

Reference numeral 41 is a bus line composed of data signal lines and control signals, which is connected to the CPU 33 and is connected to the main controller 34, the printer 36, and the LCD controller 25 in the display device and the communication controller 22 through the cable 14. 42 is the cable 14 from the power supply circuit section
A display device power supply line for supplying power to the display device through, and 43 an electronic device body power supply line for supplying power from the power supply circuit unit to the portable electronic device body.

FIG. 4 shows an installation in a vehicle for informing the portable electronic device that a user equipped with the display device and the portable electronic device is in the driver's seat and is driving the vehicle. FIG. 3 is a block diagram showing the configuration of an infrared communication device for mobile use.

In the first embodiment, the vehicle serving as the moving means is an automobile, and the infrared communication device 6 for installation in the automobile is installed in the interior of the automobile.

Reference numeral 50 is a CP for generating data indicating that it is transmission data from the infrared communication device 6 installed in the vehicle.
It is U, and a storage device for storing programs and the like is built in the CPU 50. Reference numeral 51 is a communication control device for controlling a protocol for performing communication and driving an infrared communication device, 52 is an infrared communication device controlled by the communication control device, and the infrared communication device 52
It is assumed that the infrared rays emitted from the vehicle have directivity so that the infrared rays are emitted only to the space located in the driver's seat in the vehicle. 5
Reference numeral 3 is an engine start key equipped on the vehicle, 54 is an engine control unit for receiving an engine start signal from the key 53 to start the engine and perform control.
Reference numeral 5 is an engine controlled by the engine control unit, and 55 is an identification signal for notifying the engine control unit infrared communication device for vehicle installation whether or not the engine is operating. Is.

With the above-mentioned configuration, the in-vehicle infrared communication device considers that the engine 55 is operating and transmits a specific identification signal to the driver's seat. In the first embodiment, the identification signal is always transmitted while the engine 55 is operating.

Hereinafter, C in the portable electronic device 4 for generating display data for the display device of FIG. 5 will be described.
The display control method according to the first aspect of the present invention will be described with reference to the flowchart showing the operation relating to the display control of the PU 33.

It is assumed that the program according to this flowchart is stored in the storage device built in the portable electronic device 4.

First, in step S1, a subprogram for performing display control of the display device in the first embodiment is started, and in step S2, the communication control device 22 for controlling the infrared communication device 3 is set to the reception mode. Then, it is determined whether or not there is received data in step S3. If there is received data, the process proceeds to step S4, and if there is no received data, the process proceeds to step S9.

In step S4, the received data is collated, and in step S5 it is determined whether or not the signal is transmitted from the in-vehicle installed infrared communication device 6, and if it is the signal from the in-vehicle installed infrared communication device 6. Goes to step S6, and if the signal is not from the infrared communication device 6 for installation in the vehicle, the process goes to step S9.

In step S6, the user considers that the vehicle is being driven, and the LCD controller 25 receives L
Control not to display images on the CD panel 27,
In step S7, the backlight drive device 24 is controlled not to turn on the backlight 26,
In step S8, the subprogram for display control in the first embodiment is terminated.

If it is determined in step S3 and step S5 that the user is not driving the vehicle, the process proceeds to step S9, and in step S9, an image is displayed on the LCD panel 27 with respect to the LCD controller 25. In step S10, the backlight drive device 24 is controlled to turn on the backlight 26, and the process proceeds to step S8 to end the present subprogram.

It is assumed that the program according to the above-mentioned flow chart is a kind of timer interrupt processing program that operates at fixed time intervals.

As described above, the program according to the flowchart shown in FIG. 5 is stored in the main storage device 3 of the portable electronic device 4.
4 and by being operated by the CPU 33,
The display control method of the first aspect of the present invention can be realized.

(Second Embodiment) In the first embodiment described above, when the user wearing the display device is located in the driver's seat of the vehicle body, no display is made on the display device. However, in the second embodiment, when the user wearing the display device is located in the driver's seat of the vehicle body, the display device displays a display. In this embodiment, character information or the like that should not be displayed is output as voice information from a speaker or the like.

The head-up display type display device in the second embodiment, the vehicle as the moving means, and the configuration and positional relationship of the user equipped with the portable electronic device connected to the display device will be described. The same as FIG. 1 in the above-mentioned first embodiment.

The appearance of the display device 2 in the second embodiment is the same as that in FIG. 2 in the first embodiment.

The system configuration of the display device and the main body of the portable electronic device in the second embodiment is the same as that in FIG. 3 in the first embodiment.

The user equipped with the display device and the portable electronic device according to the second embodiment notifies the portable electronic device that the user is seated in the driver's seat and is driving the vehicle. The block diagram showing the configuration of the infrared communication device for installation in the vehicle for this purpose is the same as that of FIG. 4 in the above-mentioned first embodiment.

Referring to the flow chart showing the operation relating to the display control of the CPU 33 inside the portable electronic device 4 for generating the display data for the display device of FIG. 6 in the second embodiment, A display control method according to the first aspect of the present invention will be described.

Steps S1 to S7 are the same as those in FIG. 5 in the above-mentioned first embodiment.

In step S11, the user considers that the vehicle is driving, converts the character information to be displayed on the display device into voice information, and shifts to the mode in which the speaker 13 outputs the voice information through the voice output device 23. In the second embodiment, only the character information is converted and output as the voice information, and when the above-mentioned voice output mode is entered, the information to be newly displayed is generated. Further, the CPU 33 converts the character information into voice information and outputs it from the speaker 13.

In step S12, the subprogram for display control in the second embodiment is ended.

When it is determined in step S3 and step S5 that the user is not driving the vehicle, the process proceeds to step S9 and step S10 to perform the same control as that of FIG. 5 in the first embodiment. , Step S
13, the character information to be displayed on the display device is converted into the voice information and is output from the speaker 13 through the voice output device 23, and the display mode is set to the normal display device. Step S8
Go to and end this subprogram.

It is assumed that the program according to the above-mentioned flow chart is a kind of timer interrupt processing program which operates at fixed time intervals.

As described above, the program according to the flowchart shown in FIG. 6 is stored in the main storage device 3 of the portable electronic device 4.
4 and by being operated by the CPU 33,
The display control method of the second invention can be realized.

[0045]

As described above, according to the present invention, display output means for converting information such as data into an image and projecting it in a fixed direction, and a display output means located in front of the user's line of sight and in front of the user's line of sight. A display device, which is made of a transparent material so that a user can visually recognize a certain scene, and has a function of reflecting an image projected by the display output means in a direction in which the operator can visually recognize, The vehicle body side communication device, which is provided in a vehicle body of an intended vehicle or the like and communicates information with a driver's seat of the vehicle body, and the display device or an electronic device connected to the display device, is the vehicle body side communication device. A display equipped with a communication unit capable of communicating with the display device, and when the user wearing the display device is located in the driver's seat of the vehicle body, the display device does not display. When driving a vehicle such as an automobile as a means of transportation with the display device attached, information that is not related to driving suddenly appears in the field of view, or image data etc. are constantly on the line of sight. Since there is no need to scroll with, or image data is displayed in the full field of view, you can concentrate on driving the vehicle, which enables safe driving.

Further, the power supply of the portable electronic device main body is turned off so that the display device does not display anything before the vehicle is loaded into the vehicle body or during transmission, or the mounted electronic device is mounted. A wearable wearer that aims to always be worn without the need to remove the display device.
The characteristics of this type of portable electronic device can be fully utilized.

Further, by providing means for converting character information to be displayed into voice information and a speaker for outputting the voice information, a user wearing the display device can be installed in the driver's seat of the vehicle body. If located,
By the display control method, which does not perform display on the display device, and outputs character information to be displayed as voice information, a display device such as an automobile as a moving means with the display device attached. When driving a vehicle, information that is not related to driving does not suddenly appear in the field of view, image data etc. constantly scrolls on the line of sight, or image data is not displayed in the full field of view. Therefore, by being able to concentrate on driving the vehicle, safe driving is possible, and since the information that should be originally displayed is output as voice information, it is continuously displayed on the display device even while the vehicle is driving. It is possible to grasp the information that should be used.

[Brief description of drawings]

FIG. 1 is a diagram showing a positional relationship between a display device and a portable electronic device according to a first embodiment and a vehicle that is a moving unit.

FIG. 2 is a diagram showing the shape and appearance of a display device according to the first embodiment.

FIG. 3 is a block diagram showing internal configurations of a display device and a portable electronic device according to a first embodiment.

FIG. 4 is a block diagram showing an internal configuration of an in-vehicle infrared communication device according to the first embodiment.

FIG. 5 C in the portable electronic device according to the first embodiment
Flowchart showing an example of operation procedure regarding display of PU by display device

FIG. 6 C in the portable electronic device according to the second embodiment
Flowchart showing an example of operation procedure regarding display of PU by display device

[Explanation of symbols]

Vehicles such as 1 car 2 display devices 3 infrared communication device 4 Portable electronic devices 5 Transmission type image reflector 6 In-vehicle infrared communication device 11 Image information projection device 12 image projection screen 13 speakers 14 Connection cable 15 Connector

Claims (3)

[Claims] 1. A display output means for converting information such as data into an image and projecting it in a certain direction, and a display position which is located in front of the user's line of sight and which allows a user to visually recognize a scene in front of the user. A display device having a function of reflecting an image projected by the display output means in a direction visible to an operator, and a vehicle body intended for movement, A communication device for communicating information in the direction of the driver's seat of the vehicle body, and the display device or an electronic device connected to the display device, by means of communication means capable of communicating with the vehicle body side communication device, the display device. A display control method, wherein when the user wearing the vehicle is located in the driver's seat of the vehicle body, no display is made on the display device. 2. The display control method according to claim 1, wherein the display device includes an information input unit, a printer, and the like, and includes a form connectable to an electronic device for generating display data. Display control method. 3. The display control method according to claim 1, wherein a user wearing the display device includes a unit for converting character information to be displayed into voice information and a unit for outputting the voice information. When the vehicle is located at the driver's seat, no display is made on the display device, and character information to be displayed is output as voice information.