JP2001100861A - Display system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display system capable of reducing load on a user, improving durability of a computer and improving work efficiency when displaying an image corresponding to a display signal sent from the computer on a display device mounted on the body. SOLUTION: An image signal is outputted from a portable computer 3 via a transmitting means 4 onto a display device 2 mounted on the body. That computer 3 is provided with an installing member 3b for installing the computer 3 around the display device 2, without having to wear it directly on the body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various operations such as maintenance and operation of various equipment and devices, medical operations such as surgery, operations related to various services in commercial spaces and public facilities, and material handling for distribution and the like. The present invention relates to a display system that can be used to provide information on a task when the task is performed.

[0002]

2. Description of the Related Art When a worker performs a task, it may be necessary to confirm information according to the content of the task. For example, electronic manuals for equipment maintenance and operation, data such as X-ray MRI images and electrocardiographs for medical care, inventory data for commercial space, various databases for public services, and pickup information for logistics sites Information.

In order to provide such information to an operator, a wearable computer and a body-mounted display device mounted on a head or the like are used. Such a wearable computer is effective when the worker always moves and works, and a computer equipped with a pointing device for selecting display information, inputting operation confirmation, etc. is placed around the worker's waist. It is configured to be mounted via a belt or the like, and furthermore, it is possible to connect to a network by incorporating communication means such as a wireless modem into the computer.

[0004]

For example, in the case of maintenance work of installed equipment, the work range is a limited range around the maintenance target, and in the work of checking the status of the maintenance target, replacing parts, adjusting, etc. In general, people rarely move around. Also, even in medical practice, doctors and the like stick to the periphery of the patient and work, so they hardly move around. In this way, the posture of the worker changes, but when the spatial range in which the work is performed is limited, it is necessary to attach the display device to the body and obtain hands-free information at the time of the work, including the battery. Heavy computers do not have to be worn on the body.
Rather, when the computer is worn on the body, work is performed under conditions that are disadvantageous for a CPU that generates a large amount of heat when the operation speed is high, a hard disk that is inferior in vibration resistance, and the like. In addition, wearing a computer on the body may interfere with the carrying of other equipment required for other tasks,
For example, the number and types of tools to be carried via a waist belt or the like in maintenance work are limited. In addition, if a worker's body is subjected to a load due to heat or weight of a computer in a medical procedure or the like that requires a delicate operation, the delicate operation may be hindered.

An object of the present invention is to provide a display system that can solve the above-mentioned problem.

[0006]

A display system according to the present invention comprises a display device worn on the body, a portable computer for outputting an image signal, and means for transmitting the image signal from the computer to the display device. The computer is provided with an installation tool for installing the computer around the display device without wearing the computer on the body. According to the present invention, a computer that outputs an image signal to a display device is installed around the display device without being worn by a person who wears the display device. The burden due to weight and heat generation can be eliminated. In addition, it is possible to reduce a failure due to a movement such as a vibration of the computer and improve durability. Further, since the person who wears the display device does not need to wear the computer, the user can afford to carry other necessary work tools and the like on the waist belt, chest pocket, and the like, thereby improving workability.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. A display system 1 shown in FIG. 1 includes a head-mounted display device 2 mounted on a head of an operator 10, a portable computer 3 for outputting image signals, and a head-mounted display device from the computer 3. 2 and a cable 4 for transmitting an image signal.

As shown in FIG. 2, the head-mounted display device 2 includes a holding unit 11 mounted on the head of an operator 10,
And a display unit 12 held by the holding unit 11. The holding unit 11 is attached to a helmet 13 mounted on the head of the worker 10 via a clip or the like, but the form is not limited as long as the display unit 12 can be mounted on the head of the worker 10. It may be a headband shape, a headset shape, or a hat shape that can be directly worn on the head of the device 10, or a clip shape that can be attached to and detached from the glasses worn by the worker 10. Further, a display device worn on a body other than the head, for example, an arm, may be used instead of the head-mounted display device 2.

In the present embodiment, the display section 12 allows the image to be visually recognized only by one eye of the worker 10, but may be configured to allow both eyes to visually recognize the image. The display unit 12 includes a display unit 12a that emits image display light, an optical system 12b that changes an optical path of the image display light and guides the image display light to a field of view of the observer 10, and includes the display unit 12a and the optical system 12b. And an arm 12c to be connected. The display unit 12a is configured by, for example, a liquid crystal display device with a backlight, and emits image display light corresponding to an image signal sent from the computer 3. The optical system 12b is connected to the display unit 12
The light path is changed by reflecting or diffracting the image display light emitted from a and guided to the eyes of the worker 10. The optical system 1
2b may be configured by a combiner such as a half mirror or a hologram element that transmits light from the front, may be configured by a total reflection mirror, and may further include a lens system.

The computer 3 has a case 3a, a CPU, a memory, a hard disk, an input / output interface, a battery, and the like built in the case 3a, and a known internal structure can be adopted. The battery is preferably a battery that can be removed from the computer 3. Both ends of a flexible belt 3b as an installation tool are connected to the case 3a. By hooking the computer 3 on the protruding portion via the belt 3b, the computer 3 can be installed around the head-mounted display device 2.

In the present embodiment, one end of the cable 4 is integrally connected to the display unit 12a of the head-mounted display device 2, and the other end is detachable from the computer 3 via the connector 3c.

A camera 9 is mounted on the worker 10 via the helmet 13, and a video signal of an image taken by the camera 9 is transmitted to the computer 3 via the cable 4.

In this embodiment, the device 21 to be maintained by the worker 10 is a storage device 21a storing its own maintenance history, usage history, maintenance procedure, and the like.
The other end of the cable 22 whose one end is connected to the connector 21a 'of the storage device 21a is connected to the computer 3
Is removably connected via the connector 3d to the
The data stored in the storage device 21a can be read by the computer 3. The computer 3
An image signal corresponding to the storage content read from the storage device 21a can be transmitted to the head-mounted display device 2, whereby the worker 10 can maintain the maintenance history, use history, and maintenance procedure of the device 21 to be maintained. Etc. can be obtained as video information. Further, an input device (not shown) such as a keyboard connected to the computer 3 may be used to update the data stored in the storage device 21a and store the maintenance work result in the storage device 21a. The storage device 21a
A signal may be transmitted between the computer 3 and the computer 3 by a wireless device using radio waves or light instead of a cable.

According to the above configuration, the computer 3 brought in by the worker 10 wearing the head-mounted display device 2 at the work site such as a maintenance work is connected to the work target device 21 as shown in FIG. Door handle 21
By being hooked and hung on a protruding portion such as b, it is installed around the head-mounted display device 2 without being worn on the body of the worker 10 and is positioned near the worker 10. The image signal can be transmitted from the computer 3 to the head-mounted display device 2 by connecting the cable 4 connected to the head-mounted display device 2 to the computer 3 via the connector 3c. An image corresponding to the image signal is displayed by the head-mounted display device 2. At this time, since it is not necessary to attach the computer 3 to the body,
The burden on the operator 10 due to the weight and heat generation of the computer 3 can be eliminated. In addition, it is possible to reduce the failure due to the vibration of the computer 3 and to improve the durability. Further, the worker 10
It is not necessary to attach the computer 3, so that, for example, as shown in the figure, there is room for attaching various tools 5 to the belt 6 around the waist, the breast pocket, etc. so that the tool 5 can be easily handled, and the workability can be improved. .

The present invention is not limited to the above embodiment. For example, as shown in a first modification of FIG. 3, a rubber support leg 11 is attached to the bottom surface of the case 3a of the computer 3 as an installation tool, or as shown in a second modification of FIG.
The computer 3 may be placed on the floor so that the computer 3 can be placed on the floor so that the computer 3 can be placed around the head-mounted display 2. The computer may be provided with an installation tool that is held by a dedicated holding tool provided at a work site or the like. In addition, a microphone for inputting sound to the computer 3 and an earphone for outputting a sound signal sent from the computer 3 are attached to the body of the worker 10 via, for example, the holding unit 11 of the head-mounted display device 2. The microphone and the earphone may be connected to the computer 3 via the cable 4 so that the sound signal can be transmitted. Further, in the above embodiment, the display device and the computer are connected by wire using a cable, but signals are transmitted by radio device between the computer and the display device, the microphone, and the earphone using radio waves and light. Is also good. Further, a communication device with another computer may be connected to the computer so that a plurality of workers can communicate with each other using a display device, a camera, a microphone, and an earphone.

[0016]

According to the present invention, when an image corresponding to a display signal sent from a computer is displayed on a display device worn on the body, the burden on the user is reduced, and the durability of the computer is improved. A display system that can improve workability can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a display system according to an embodiment of the present invention.

FIG. 2 is a front view of a display device of the display system according to the embodiment of the present invention.

FIG. 3 is a perspective view of a computer according to a first modification of the present invention.

FIG. 4 is a perspective view of a computer according to a second modification of the present invention.

[Explanation of symbols]

 2 Head-mounted display device 3 Computer 3b Belt (installation tool) 4 Cable 11 Support leg (installation tool) 13 Stand (installation tool)

Claims (1)

[Claims] 1. A display device mounted on a body, a portable computer outputting an image signal, and means for transmitting an image signal from the computer to the display device, wherein the computer is mounted on the body. A display system, wherein an installation tool for installing the display device around the display device without the computer is provided in the computer.