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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.
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 ...
VTR Weight: 11 lb. Monitor Weight: 3.5 lb. [ 1 ] The Akai X500-VT is perhaps the oddest of the Akai format machines in as much as it is both a stereo reel to reel audio recorder of 3.3/4 and 7.5 inch per sec tape speed having an auto reverse function, as well as a video recorder combined in the same machine.
The Sony 9-Pin Protocol or P1 protocol is a two-way communications protocol to control advanced video recorders. Sony introduced this protocol to control reel-to-reel type C video tape recorders (VTR) as well as videocassette recorders (VCR).
IVC 2 inch Helical scan was a high-end broadcast quality helical scan analog recording VTR format developed by International Video Corporation (IVC), and introduced in 1975. . Previously, IVC had made a number of 1 inch Helical
International Video Corporation, or IVC, was a California company with large European operations that manufactured a number of models of middle to high-end video tape recorders, or VTRs, for industrial and professional use in the US, alongside a range of digital video Time Base Correctors and Special Effects units designed and manufactured in the UK.
If the user made any errors in doing this, the machine would malfunction and the tape could become damaged. So, another version, EIAJ-2, was released later on that used a single-reel cartridge (with the take-up reel being built into the VTR) instead of an open take up reel. Otherwise, the recording specifications were exactly the same.
Helical scan is a method of recording high-frequency signals on magnetic tape, used in open-reel video tape recorders, video cassette recorders, digital audio tape recorders, and some computer tape drives.