helical scan


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helical scan

n
(Electronics) (modifier) denoting a recording technique used with video tapes in which the recorded tracks on the tape are segments of a helix: a helical-scan tape.
References in periodicals archive ?
His recent achievements include: providing the first physical explanation for the role of a prominent flap seen in mammalian ears in 2004; discovery of a novel helical scan in the ear directivity of a bat in 2006; discovery of frequency-selective beam-forming by virtue of resonances in noseleaf furrows of a bat, an entirely new bioacoustic paradigm in 2006; establishing the first immediate and quantitative characterization of the spatial information created by a mammal's outer ear in 2007; and now uncovering the acoustic effect of non-rigid ear deformations in bats.
AIT is a helical scan technology with a 1" per second transfer speed, while linear tape format specifies a very high transfer rate of 295" per second.
5-inch form factor, the tape drives use helical scan technology to increase recording density for lower media costs and increased efficiency.
VXA is a helical scan technology like those used by Exabyte Corp and Sony Corp, but is the only media not to be read by a streamer, Beavers explained.
Sony's SuperAIT helical scan half-inch technology has yet to make a break-through against LTO and SDLT with fewer than 1000 drives shipped in 2004.
Until now, the underlying drives supported by VSM were either standard Timberline drives or Redwood helical scan drives.
With the Aquilion ONE's 160-detector row ultra helical scan mode, the entire chest, abdomen and pelvis can be imaged in fewer than five seconds, 2.
The gantry houses custom components including an X-ray tube, 32-slice helical scan detector array, high-voltage generator, air-cooling system and built-in battery pack.
Media used in helical scan SAIT drives are data-certified versions of those used in professional broadcast applications.
The drives will be the first use of magneto-resistive heads in a helical scan tape mechanism, said Sony, and will use advanced metal evaporated media.
Combining ASiR and Snapshot* Pulse with Adaptive Gating technology, patient dose may be reduced compared to traditional helical scan techniques.