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WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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Helical scan
Videos
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 dr
The head drum of a Hi-Fi NTSC VHS VCR; three of the six heads face the reader. The helical path of the tape around the drum can clearly be seen.
The head drum of a Hi-Fi NTSC VHS VCR; three of the six heads face the reader. The helical path of the tape around the drum can clearly be seen.
The same head drum with the rotating portion elevated for clarity
The same head drum with the rotating portion elevated for clarity
The rotating portion of the head drum showing the rotary transformer and three of the six tape heads used in this particular VCR
The rotating portion of the head drum showing the rotary transformer and three of the six tape heads used in this particular VCR
Type B videotape video scanner head
Type B videotape video scanner head
Video tape recorder
Videos
A video tape recorder is a tape recorder designed to record and play back video and audio material from magnetic tape. The early VTRs were open-reel devices that record on individual reels of 2-inch-w
Helical scan
…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. With this technique, magnetic tape heads (or head chips) are…
AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide
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
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 shown here.
1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness. However, only one reel is shown here.
Sony Betacam SP BVW-65 player
Sony Betacam SP BVW-65 player