A sixteen-segment display (SISD) is a type of display based on sixteen segments that can be turned on or off to produce a graphic pattern. It is an extension of the more common seven-segment display, adding four diagonal and two vertical segments and splitting the three horizontal segments in half. Other variants include the fourteen-segment display which does not split the top or bottom horizontal segments, and the twenty-two-segment display[1] that allows lower-case characters with descenders.
Often a character generator is used to translate 7-bit ASCII character codes to the 16 bits that indicate which of the 16 segments to turn on or off.[2]
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Low Compromise 16 Segment Alphanumerical Hexadecimal Display Concept V1
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16 Segment Display
Transcription
Applications
Sixteen-segment displays were originally designed to display alphanumeric characters (Latin letters and Arabic digits). Later they were used to display Thai numerals[3] and Persian characters.[4] Non-electronic displays using this pattern existed as early as 1902.[5]
Before the advent of inexpensive dot-matrix displays, sixteen and fourteen-segment displays were used to produce alphanumeric characters on calculators and other embedded systems. Later they were used on videocassette recorders (VCR), DVD players, microwave ovens, car stereos, telephone Caller ID displays, and slot machines.
Sixteen-segment displays may be based on one of several technologies, the three most common optoelectronics types being LED, LCD and VFD. The LED variant is typically manufactured in single or dual character packages, to be combined as needed into text line displays of a suitable length for the application in question; they can also be stacked to build multiline displays.
As with seven and fourteen-segment displays, a decimal point and/or comma may be present as an additional segment, or pair of segments; the comma (used for triple-digit groupings or as a decimal separator in many regions) is commonly formed by combining the decimal point with a closely 'attached' leftwards-descending arc-shaped segment. This way, a point or comma may be displayed between character positions instead of occupying a whole position by itself, which would be the case if employing the bottom middle vertical segment as a point and the bottom left diagonal segment as a comma. Such displays were very common on pinball machines for displaying the score and other information, before the widespread use of dot-matrix display panels.
Examples
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A sixteen-segment display on a Beatmania IIDX arcade machine -
![An eighteen-segment vacuum fluorescent display. Two extra segments are used for lower elements of Cyrillic letters Д, Ц.[6]](/wikipedia/commons/thumb/d/de/%D0%98%D0%BD%D0%B4%D0%B8%D0%BA%D0%B0%D1%82%D0%BE%D1%80_%D0%98%D0%92-4.JPG/120px-%D0%98%D0%BD%D0%B4%D0%B8%D0%BA%D0%B0%D1%82%D0%BE%D1%80_%D0%98%D0%92-4.JPG)
An eighteen-segment vacuum fluorescent display. Two extra segments are used for lower elements of Cyrillic letters Д, Ц.[6] -
A sixteen-segment display on an AIM-65
See also
- Seven-segment display
- Eight-segment display
- Nine-segment display
- Fourteen-segment display
- Dot-matrix display
- Nixie tube display
- Vacuum fluorescent display
References
- ^ "DL-3422 4-digit 22-segment alphanumeric Intelligent Display™ preliminary data sheet". Internet Archive. Litronix 1982 Optoelectronics Catalog. p. 82. Retrieved 3 September 2016.
- ^ Application Note 3212: Driving 16-Segment Displays Archived 2014-03-28 at the Wayback Machine, Maxim Integrated, 2004.
- ^ Standard sixteen segmented display for Thai numerals Archived 2015-02-22 at the Wayback Machine, IEEE Transactions on Consumer Electronics, Volume 35 Issue 4 1989
- ^ Alphanumeric Persian characters using standard 16-segment displays Archived 2015-02-22 at the Wayback Machine, IEEE Transactions on Consumer Electronics Volume 37 No. 1, 1991
- ^ Means for controlling illuminated announcement and display signals Archived 2016-12-21 at the Wayback Machine, US Patent 744,923 filed 1902-08-15
- ^ "Лампа ИВ-4 (Индикатор) Datasheet" (in Russian). Archived from the original on 2024-01-17. Retrieved 2024-01-17.
External links
- View and create sixteen-segment display characters - Editable SVG-Font, Open Font License
- Sixteen Segment Display with the HTML5 Canvas
- Web App to design segment-display
- Spinning segment display
- TwentyfourSixteen — CC0 sixteen segment TTF font based on the HP/Siemens/Litronix DL-2416 character set
This page was last edited on 13 April 2024, at 14:50