Haptic technology
Haptic technology, also known as kinesthetic communication or 3D touch, refers to any technology that can generate sensory sensations by applying force, vibration, or movement to the user. These techniques can be used to create virtual objects in computer modeling,control virtual objects, and improve the remote control of machines and equipment (remote robots). The hapticdevice may include a touch sensor that measures theforce acting on the user interface. The word "touch" comesfrom the Greek word πτικός (haptikos), which means"touch related to the sense of touch". Simple tactiledevices in the form of game controllers, joysticks, and steering wheels are common. Haptic technology makes iteasier to explore the working principle of human touch by creating controllable tactile virtual objects. The researchers distinguished three sensory systems related to human touch: skin, kinesthesia, and touch. Allperceptions are mediated by them. Sensitivity is calledtactile perception. Haptics can be divided into passive and active. The term "touch" is usually associated with active touch to communicate or recognize objects.
APPLICATIONS
Tactile electronic displays
A tactile electronic displays is a display device that provides text and graphic information through touch. This type of device has been developed to help the blind or deaf by providing visual or auditory alternatives.
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Mobile phones
Tactile feedback from mobile phones is common. In most cases, this takes the form of a vibration response to touch.Alpine Electronics uses PulseTouch haptic feedback technology in many of its navigation devices and touch screen stereo speakers. Nexus One supports hapticfeedback based on your requirements. [50] Samsung first introduced a tactile phone in 2007. The tactile surfacesensation refers to the variable force generated on theuser's finger when the user interacts with a surface such as a touch screen.Tanvas uses electrostatic technology to control the force of the fingertip on the aircraft, as a programmable fingertip function. The TPaD tablet projectuses ultrasonic technology to adjust the apparent sliding of the glass touch screen. In 2013, Apple Inc. won a patent award for a tactile feedback system suitable for multi-touch surfaces. The user contacts the device. In particular,the patent stipulates that one actuator causes feedback oscillations, while at least one other actuator uses its oscillations to position the tactile sensation, therebypreventing the first set of oscillations from propagating to other La patent areas. An example of a "virtual keyboard" is given, but it is also pointed out that the present inventioncan be applied to any multi-touch interface.
Virtual reality
Virtual reality haptics has been widely recognized as animportant part of the virtual reality system, and provides a sense of touch for the previously only visualinterface.Systems that use haptic interfaces for 3D modeling and design are being developed, including systems that allow you to view and feel holograms. Several companies produce full-body or torso tactile vests or tactile suits for immersive virtual reality, making users feel like explosions and bullet hits,
Medicine and dentistry
Haptic technology has promoted the development of telepresence surgery, which enables skilled surgeons to operate on patients remotely. When the surgeon cuts theincision, he will feel tactile and resistance feedback, as if he was working directly with the patient. [71] Haptictechnology can also provide sensory feedback to improveage-related imbalances. Control and prevent falls in the elderly and balance problems.
Aviation
Force feedback can be used to improve compliance withsafe flight conditions, thereby reducing the risk of pilots exceeding the operating limits of dangerous flight conditions, while maintaining the ultimate power of the pilots and improving their situational awareness.
Automotive
In the vehicle dashboard, haptic feedback technology is used to verify touch commands without having to look away from the road. ] For example, other contact surfaces such as the steering wheel or seat can also provide the driver with tactile information. , Warning vibration beat

