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CPT Corporation was founded in 1971 by Dea … CPT Corporation was founded in 1971 by Dean Scheff in Minneapolis, Minnesota, with co-founders James Wienhold and Richard Eichhorn. CPT first designed, manufactured, and marketed the CPT 4200, a dual-cassette-tape machine that controlled a modified IBM Selectric typewriter to support text editing and word processing. The CPT 4200 was followed in 1976 by the CPT VM (Visual Memory), a partial-page display-screen dual-cassette-tape unit, and shortly thereafter by the CPT 8000, a full-page display dual-diskette desktop microcomputer that drove stand-alone daisy wheel printers. Subsequent products included (1) variants on the 8000 series; (2) the CPT 6000 series, which had a lower capacity, smaller screen, and was less expensive; (3) the CPT 9000 series, which had a larger capacity and could run IBM personal computer software; (4) the CPT Phoenix series, which had a graphical capabilities; (5) CPT PT, a software-only reduced version that ran on IBM personal computers and clones; and (6) other related products. The CPT logo—originally three letters chosen to sound well together—began to be taken as an acronym for "cassette powered typewriting," and subsequently for "computer processed text," and numerous other variants. Major competition was IBM, Wang, Lanier, Xerox, and other word processing vendors. CPT Corporation was fifth in size among Minnesota-based top high-tech companies, after 3M, Honeywell, Control Data, and Medtronic. Corporate revenues grew to approximately a quarter-billion dollars per year in the mid-1980s, then declined with the proliferation of personal computers. CPT ultimately ceased major manufacturing late in the 20th century.or manufacturing late in the 20th century.
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Discontinued operations in the mid 1990s
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1971
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http://dbpedia.org/resource/Word_processing +
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2000
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2.0E8
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http://commons.wikimedia.org/wiki/Special:FilePath/CPT_Corporation_wordmark.svg?width=300 +
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14052985
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23778
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1117466733
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left
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Closeup of the CPT-8000 display screen
, CPT-8100 self-contained desktop machine.
, CPT-Phoenix graphics screen and keyboard
, CPT-PT screen image
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World wide
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Figure 5. CPT screen: Closeup photograph o … Figure 5. CPT screen: Closeup photograph of the CPT 8000-series display screen. This screen introduced the fast white phosphor P104 in 1976, which was intended to allow rapid scrolling without blurring. That phosphor subsequently became a standard in the word processing industry and elsewhere.he word processing industry and elsewhere.
, 8.0
, Figure 7. CPT PT screen: The screen fit th … Figure 7. CPT PT screen: The screen fit the 80-character-wide by 25-line-high screen of the IBM-PC. A blue "margin scale" divides the upper and lower editing windows. The black area at the top of the upper window is outside the bounds of the paper. File name, line and column numbers, and other codes are light blue at the far top. The typing area remains above the blue margin scale, while the white page-area slides up and down, adjusting the black area as it moves.own, adjusting the black area as it moves.
, Figure 4. CPT 8000 series: Dual floppy dis … Figure 4. CPT 8000 series: Dual floppy diskette drives are to the right of a full-page cathode ray tube display screen. The broad horizontal bar on the screen is an after-image of the lower editing window, which almost always contained text and which after years of editing left an impression on the screen's luminescent phosphors. A daisy-wheel printer was a separate cable-connected device, not shown.eparate cable-connected device, not shown.
, Figure 3. The CPT 4200 console control keys
, Figure 1. CPT 4200 system console
, Figure 2. Cassette used for non-volatile storage of characters typed via an IBM Selectric typewriter keyboard into a CPT 4200 word processing system
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vertical
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1990.0
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| http://dbpedia.org/property/foundation
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1971
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| http://dbpedia.org/property/founder
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Dean Scheff
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CPT 4200 console buttons.jpg
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Word Processing
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Factories in USA and Ireland
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Eden Prairie, Minnesota
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United States
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CPT Corporation wordmark.svg
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CPT Corporation
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2000
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Stand-alone word processing machines
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$200,000,000 annually max
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CPTC, National Over the Counter
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CPT Corporation was founded in 1971 by Dea … CPT Corporation was founded in 1971 by Dean Scheff in Minneapolis, Minnesota, with co-founders James Wienhold and Richard Eichhorn. CPT first designed, manufactured, and marketed the CPT 4200, a dual-cassette-tape machine that controlled a modified IBM Selectric typewriter to support text editing and word processing. The CPT 4200 was followed in 1976 by the CPT VM (Visual Memory), a partial-page display-screen dual-cassette-tape unit, and shortly thereafter by the CPT 8000, a full-page display dual-diskette desktop microcomputer that drove stand-alone daisy wheel printers.at drove stand-alone daisy wheel printers.
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CPT Corporation
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