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2. Digital Linear Tape - Wikipedia

   en.wikipedia.org/wiki/Digital_Linear_Tape

   This is important for newer tape media, which have very thin, dense data tracks; 256, 384 and 768 data tracks on a 1 ⁄ 2-inch-wide (13 mm) tape are available. DLT7000 and 8000 tilt the head forward and backward to reduce crosstalk between adjacent tracks through azimuth ; this is called Symmetric Phase Recording .

3. Ampex 2-inch helical VTR - Wikipedia

   en.wikipedia.org/wiki/Ampex_2-inch_helical_VTR

   The 2-inch-wide video tape used was one mil (0.001 in or 0.0254 mm) thick. The VTRs were mostly used by industrial companies, educational institutions, and a few for in-flight entertainment . The capstan tape speed is 3.7 inches per second, which provided a long record time of up to five hours on large reels.

4. Type C videotape - Wikipedia

   en.wikipedia.org/wiki/Type_C_videotape

   1-inch Type C Helical Scan or SMPTE C is a professional reel-to-reel analog recording helical scan videotape format co-developed and introduced by Ampex and Sony in 1976. It became the replacement in the professional video and broadcast television industries for the then-incumbent 2-inch quadruplex videotape (2-inch Quad for short) open-reel format.

5. Tape dispenser - Wikipedia

   en.wikipedia.org/wiki/Tape_dispenser

   Prior to the development of the tape dispenser, 3M's standard clear scotch tape was sold as a roll, and had to be carefully peeled from the end and cut with scissors. To make the product more useful, the scotch tape sales manager at 3M, John Borden, designed the first tape dispenser in 1932, which had a built-in cutting mechanism and would hold the cut end of the tape until its next use.

6. Digital Audio Stationary Head - Wikipedia

   en.wikipedia.org/wiki/Digital_Audio_Stationary_Head

   DASH is capable of recording two channels of audio on a quarter-inch tape, and 24 or 48 tracks on 1 ⁄ 2-inch-wide (13 mm) tape [1] [2] [3] on open reels of up to 14 inches. The data is recorded on the tape linearly, [ 4 ] with a stationary recording head , [ 5 ] as opposed to the DAT format, where data is recorded helically with a rotating ...

7. Video tape recorder - Wikipedia

   en.wikipedia.org/wiki/Video_tape_recorder

   AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide The first portable VTR, the suitcase-sized 1967 AMPEX quadruplex VR-3000 1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness. However, only one reel is ...