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・ Carrfour Supportive Housing
・ Carrhenes
・ Carrhotus
・ Carrhotus xanthogramma
・ Carri Munden
・ Carriacou
・ Carriacou and Petite Martinique
・ Carriacou Formation
・ Carriage
・ Carriage & Wagon Workshop, Jagadhari
・ Carriage (disambiguation)
・ Carriage bolt
・ Carriage by Air Act 1961
・ Carriage clock
・ Carriage Club, Colorado
Carriage control tape
・ Carriage Crossing
・ Carriage dispute
・ Carriage dog
・ Carriage driving
・ Carriage Hills, Richmond, California
・ Carriage house
・ Carriage House Historic District
・ Carriage House Studios
・ Carriage Museum
・ Carriage Museum (Egypt)
・ Carriage of Goods Act 1979
・ Carriage of Goods by Road Act 1965
・ Carriage of Goods by Sea Act
・ Carriage of Goods by Sea Act 1971


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Carriage control tape : ウィキペディア英語版
Carriage control tape

A carriage control tape was a loop of punched tape that was used to synchronize rapid vertical page movement in most IBM line printers from unit record days through the 1970s. The tape loop was as long as the length of a single page. A pin wheel moved the tape accurately using holes in the center of the tape. A hole punched in one of the other channels represented a particular position on the page. Channel one was typically used to indicate the top of the page and might be the only channel used. Another channel might indicate the summary line on an invoice, enabling rapid skipping to that line. IBM provides a special manual punch that allowed accurate placement of the channel punches. Skipping occurred under computer control, but a form feed switch on the printer control panel allowed a manual skip to the top of the page. The tapes could be easily changed when new, continuously fed forms were loaded into the printer.
==Sources==

* (IBM 407 manual p.129 ff )
* (Excerpt on printing from IBM 1130 manual )
* (Rack for holding carriage tapes at Computer History Museum )
*

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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