touchscreen
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AI overview
A touchscreen is a display that responds to touch, allowing you to control a device by pressing or swiping directly on the screen rather than using buttons or a keyboard. Touchscreens are now common in everyday devices like smartphones, tablets, and thermostats, making technology easier and more intuitive to use.
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66 sectionsContents
- History
- 1946: Direct light pen
- 1960s
- 1962: Optical
- 1963: Indirect light pen
- 1965: Finger driven touchscreen
- Mid-60s: Ultrasonic Curtain
- 1968: ATC
- 1970s
- 1972
- 1973: Multi-Touch Capacitance
- 1977: Resistive
- 1980s
- 1982: Multi-touch Camera
- 1983: HP-150
- 1983: Multi-touch force sensing touchscreen
- Up to 1984: Capacitance
- 1984: Touchpad
- 1986: Graphic Touchpad
- Early 80s: Evaluation for Aircraft
- Early 80s: Evaluation for Cars
- 1985: Graphic Tablet
- 1985: Multi-Touch Tablet
- 1985: Used for Point-of-sale
- 1987: Capacitance Touch Keys
- 1988: Select on "Lift-Off"
- 1988 World Expo
- 1990s
- 1990: Single and multi-touch gestures
- 1990: Touchscreen slider and toggle switches
- 1991: Inertial control
- 1993: Capacative mouse/keypad
- 1993: First touchscreen phone
- Early 90s: Abandoned game controller
- 2000s and beyond
- 2004: Mobile multi-touch capacitance patent
- 2004: Video games with touchscreens
- 2007: Mobile phone with capacitive touchscreen
- 2015: Force-sensing touchscreens
- Technologies
- Resistive
- Surface acoustic wave
- Capacitive touchscreen
- Surface capacitance
- Mutual capacitance
- Self-capacitance
- Use of stylus on capacitive screens
- Fingerprint sensing
- Infrared grid
- Infrared acrylic projection
- Optical imaging
- Dispersive signal technology
- Acoustic pulse recognition
- Development
- Ergonomics and usage
- Touchscreen enable
- Hand position, digit used and switching
- Combined with haptics
- Customer service
- "Gorilla arm"
- Fingerprints
- Glove touch
- See also
- References
- Sources
- External links
thumb|A user operating a touchscreen thumb|Smart thermostat with touchscreen
A touchscreen (or touch screen) is a type of display that can detect touch input from a user to do a specific task . It consists of both an input device (a touch panel) and an output device (a visual display). The touch panel is typically layered on the top of the electronic visual display of a device. Touchscreens are commonly found in smartphones, tablets, laptops, and other electronic devices. The display is often an LCD, AMOLED or OLED display.