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Binary tapes used odd parity (709 manual, p. 20). Aluminum strips were glued several feet from the ends of the tape to serve as physical beginning and end of tape markers. Write protection was provided by a removable plastic ring in the back of the tape reel. A 3/4 inch gap between records allowed the mechanism enough time to stop the tape.
Carriage control tape on an IBM 1403 printer. One channel punch is visible in this photo. A carriage control tape was a loop of punched tape that was used to synchronize rapid vertical page movement in most IBM and many other line printers from unit record days through the 1960s. The tape loop was as long as the length of a single page.
The TX-2 Tape System is the direct ancestor of LINCtape, including the use of two redundant sets of five tracks and a direct drive tape transport, but it uses a physically incompatible tape format (½-inch tape on 10-inch reels, where LINC tape and DECtape used ¾-inch tape on 4-inch reels).
Threaded tape of an open Compact Cassette in the tape drive. The capstan is a rotating spindle used to move recording tape through the mechanism of a tape recorder.The tape is threaded between the capstan and one or more rubber-covered wheels, called pinch rollers, which press against the capstan, thus providing friction necessary for the capstan to pull the tape.
It was developed in the early 1990s, weighs about 4 lb (1.8 kg), and was designed to be fully compatible with future INFOSEC equipment meeting DS-101 signaling and benign fill standards. It will eventually replace the legacy family of CFDs, including the KYK-13, KYX-15 electronic storage devices, and the KOI-18 paper tape reader.
The tape is passed through an inner ring of loose tape reel, where the recording is stored, and looped back through the outer ring of the reel. Initially, this mechanism was to be implemented in a reel-to-reel audio tape recorder. [3] [4] Later, Cousino developed a plastic case that could be hung up on some existing tape recorders. [5]
Loop recording is the process of recording audio continuously to an endless tape (if magnetic tape is used) or to computer memory, or recording video feeds (such as from video surveillance or camera signals) on a video server. [1]
Digital Data Storage (DDS) is a computer data storage technology that is based upon the Digital Audio Tape (DAT) format that was developed during the 1980s. DDS is primarily intended for use as off-line storage, especially for generating backup copies of working data.