Diversified form development brought by touch screen technology

The popularity of touch screen applications has successfully opened the door to the era of human-computer interaction. As a simple, convenient and natural way of human-computer interaction, it has been widely used in many fields, such as public information inquiry, industrial control, military command, Multimedia teaching has become an important tool for people's daily life information acquisition. The rapid expansion of the application market has directly driven the enthusiasm of manufacturers, and new technologies and new trends are emerging.

With the increasing awareness of the concept of human-computer interaction in the market, the application of the touch screen no longer satisfies the primary touch and slide, and the more intuitive and more stunning use effect has become the target of technology research and development of the touch screen enterprise.

KONWHAI-Horizontal Touch Query Machine 

Analysis of the diversified form development brought by touch screen technology:

1.3D haptic feedback screen

Microsoft developed in 2013 for medical and gaming, which combines LCD flat display screens with force sensors and robotic arms that move the screen back and forth to simulate the shape and weight of objects on the screen by controlling the resistance to the user's fingertips. By adjusting the position of the screen to match the contour of the virtual object, the shape of the object is felt. Then, the computer adjusts the size and angle of the image on the screen to form a 3D effect, and the user obtains a stereoscopic effect through the special glasses.

2. Touch screen projected on water vapor

Russian research and development, launched in 2013, environmentally friendly and low energy consumption, the principle is to display images by air humidification, which can respond to the interactive gestures read by the sensors in the display, and the user can transparently penetrate through gestures. The touch screen operates to complete the image processing, and the screen pre-configuration can use the format application. Moreover, humidified air is good for the skin.

3. Dual touch technology

The technology was launched by Hanwang, which can realize the third-generation electromagnetic pen and finger dual operation, which makes up for the blank of the previous E-INK screen finger touch technology, and meets the needs of users to turn pages and turn pages with pens. Bring a more humane interactive experience.

KONWHAI-Horizontal Touch Query Machine

4. Floating touch screen

Sony R&D launched control freedom in 2012. It can detect the commands issued when the finger touches the screen, and can also recognize the action that is suspended above the screen. As long as the finger is suspended within 20 mm above the user interface, you can realize various contents of the screen display without touching the screen. operating. It is worth mentioning that this screen can sense non-conductive cloth fabric, even if you wear gloves in winter, you can still control it freely.

5. Somatosensory interaction

Implement page turning, sliding, confirmation, etc. Somatosensory interaction is to sense the viewer standing in front of the window through hardware interactive devices, somatosensory interactive system software and three-dimensional digital content. When the viewer's movement changes, the screen displayed by the window changes at the same time. In practice, the operator can control the system through his own limbs to achieve page turning, sliding, confirmation and other operations.

6. Double-sided touch screen technology

Developed by the Korea Institute of Science and Technology, it meets the needs of multiple simultaneous touch operations. The touch screen is named Transwall, and the screen is similar in shape to a transparent whiteboard. It is fixed by a T-shaped frame. An infrared touch sensor is added to the frame to detect the touch operation from the user. The information detected by the sensor is then sent to a The computer processes the data and projects the operation back to the screen through a projector mounted on the frame to achieve double-sided touch.

KONWHAI-Horizontal Touch Query Machine


7. Haptic feedback technology

The haptic feedback technology was developed by Disney. With this technology, the user can truly feel the display object in the touch screen. The basic principle of this technology is that when the user's finger swipes over the image of the touch screen, the mechanical friction sensitive point on the skin will detect the real-time change of the image surface, and then the frictional change between the finger and the touch image will Let the user feel the touch of the real thing.

8.UltraHaptics system

Unlike traditional touch systems, the UltraHaptics system allows users to perform touch operations without actually touching the touch screen. Essentially, it is a force field that allows for touch feedback with interactive technology, relying primarily on acoustic radiation, which allows the user to stay in the air and feel the touch through the vibration of the ultrasound.

In essence, the emergence of touch technology is to better meet the needs of people's human-computer interaction experience, so that the screen display can be changed from single-line communication to two-way interaction to achieve a more intelligent application experience. It is precisely because of this, with the continuous advancement of technology and the continuous improvement of people's human-computer interaction requirements, touch technology is constantly being upgraded, and its form is becoming more diversified.

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