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Touch Screen Displays Specifications

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Style




   Style:       
   Your choices are...
 
      
 
   Embedded
 
     A touch screen input device that is designed to be integrated or embedded into a larger device. They generally do not have housings as they are housed in the same enclosure as the device they are interfacing. ATM screens are an example of this type of device.
 
   External
 
     A touch screen input device that is designed to operate externally to the device being controlled. They have their own housing and are used to interface to a device over a distance. Touch screen monitors are an example of this type of device.  
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Screen Type




   Screen Type:       
   Your choices are...
 
      
 
   LCD / Flat Panel
 
     An advanced type of computer monitor that uses a flat screen to provide full color images. The screen is based upon Liquid Crystal Display technology, which uses a liquid crystal solution between thin polarizing layers. An electric current passes through the liquid to align the crystals, either blocking light or allowing it to pass, creating an image on the screen. Because they use flat screens, LCD monitors have great space saving advantages over traditional CRT monitors. They also use less power and do not emit harmful radiation.
 
   CRT
 
     A type of computer monitor that uses a large picture tube, similar to a television. This is currently the most common type of PC monitor. The display works by moving an electron beam back and forth across the back of the screen to light up phosphor dots on the inside of the glass tube. By drawing many lines from the top to the bottom of the screen, an entire screen full of images is created.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Sensor Type




   Sensor Type:       
   Your choices are...
 
      
 
   Resistive
 
     Resistive touch technology consists of a glass or acrylic panel that is coated with electrically conductive and resistive layers. The thin layers are separated by invisible separator dots. When operating, an electrical current moves through the screen. When pressure is applied to the screen the layers are pressed together, causing a change in the electrical current and a touch event to be registered.
 
   Capacitive
 
     A capacitive touch screen consists of a glass panel with a capacitive (charge storing) material coating its surface. Circuits located at corners of the screen measure the capacitance of a person touching the overlay. Frequency changes are measured to determine the X and Y coordinates of the touch event.
 
   Infrared
 
     Infrared is similar to resistive, infrared screens project horizontal and vertical beams of infrared light over the surface of the screen. When a finger or other object breaks those beams, the X/Y coordinates are calculated.
 
   Surface Acoustic Wave
 
     Surface Acoustic Wave technology is one of the most advanced touch screen types. It is based on sending acoustic waves across a clear glass panel with a series of transducers and reflectors. When a finger touches the screen, the waves are absorbed, causing a touch event to be detected at that point.
 
   Strain Gauge
 
     The screen is spring mounted on the four corners and strain gauges are used to determine deflection when the screen is touched. This technology can also measure the Z-axis.
 
   Other
 
     Other unlisted or proprietary sensor type.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Performance Specifications




   Pixel Pitch:
 
     Refers to the resolution, may also be called dot pitch. The dot pitch is defined as the distance between the nearest phosphor dots of the same color. The dots are equidistant, so the phosphor dots form an equilateral triangle, with sides of the same length as the dot pitch and with angles of 60ยบ.
 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Image Resolution (In Pixels):      This is a measurement of how sharp the image will appear. The higher the resolution, the sharper the image.
   Your choices are...
 
      
 
   640 x 480
 
      
 
   800 x 600
 
      
 
   1024 x 768
 
      
 
   1152 x 864
 
      
 
   1280 x 1024
 
      
 
   1600 x 1200
 
      
 
   Other
 
     Unlisted, specialized, or proprietary configuration.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Screen Specifications




   Effective Screen Width:
 
     The width of the screen.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Effective Screen Height:
 
     The height of the screen.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Screen Diagonal:
 
     If the screen size is given as only one number this is the diagonal. It is the distance from the top left corner to the bottom right or the top right corner to the bottom left.
 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
External Connections




   External Connections:       
   Your choices are...
 
      
 
   Serial Interface
 
     A port, or interface, that can be used for serial communication, in which only 1 bit is transmitted at a time.  (RS232, RS422, RS485)
 
   Parallel Interface
 
     A channel capable of transferring more than one bit simultaneously.  (PC printer port, Centronics®)
 
   USB
 
     Universal Serial Bus. The standard serial bus for low-to-medium speed peripheral device connections to Personal Computers, including keyboards, mice, modems, printers, joysticks, audio functions, monitor controls, etc.
 
   SCSI
 
     SCSI (Small Computer System Interface) is a parallel interface standard used by Apple Macintosh computers, PCs, and many UNIX systems for attaching peripheral devices to computers.
 
   Mouse Port
 
     The computer socket provided for plugging in a mouse.
 
   Other
 
     Unlisted, specialized, or proprietary configuration.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Mounting Options




   Mounting Options:       
   Your choices are...
 
      
 
   Rack Mount
 
     Mounted in or on a rack.
 
   Panel Mount
 
     Mounted in or on a panel.
 
   Wall Mount
 
     Can be mounted on a wall.
 
   Stand Alone
 
     No mounting required, is a stand-alone unit.
 
   Other
 
     Other mounting option.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
Features




   Software Driver?
 
     Software that runs on a PC to translate hardware events into something that the PC's Operating System can understand. In the case of a touch screen system, the software driver translates touch events into mouse events that the system can understand.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Uses a Stylus?
 
     A pen-like pointing device that can be used with a touch screen system. A stylus usually has a much finer point than a finger and therefore is useful for more precise touch screen operation.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Backlit Screen?
 
     Screen illuminates for use in low light situations.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Speakers Included?
 
     Speakers mounted directly in touch screen module.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Integrated Keypad Interface?
 
     Display has an integrated keyboard or a number pad as an input.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Suitable for Extreme Environment Applications?
 
     Is protected against corrosive elements, high humidity, etc.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
Operating Temperature




   Operating Temperature:
 
     This is the full-required range of ambient operating temperature.
 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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