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Recording head

A recording head is the physical interface between a recording apparatus and a moving recording medium. Recording heads are generally classified according to the physical principle that allows them to impress their data upon their medium. A recording head is often mechanically paired with a playback head, which, though proximal to, is often discrete from the record head.

The two most common forms of recording head are:

Note that Magneto-optical recording, though using optics and heat, should properly be considered a magnetic process, since the data stored on magneto-optical media is stored magnetically.

Earlier systems, such as phonograph records, used mechanical heads known as styli to physically cut grooves in the recording medium, in a configuration (of size, width, depth and position) recoverable as sound.

Photo gallery

Image:D6-VTR-Scanner.jpg | D6 HDTV VTR Scanner and video head, removed Image:D6-VTR-Tape Deck-inside.jpg | Inside a D6 HDTV VTR Tape Deck, VTR Scanner and video head in place. Image:Bcn-scanner-head.jpg|Type B videotape video Scanner Head Image:BCN-20-VTR-CLOSEUP.jpg|Type B VTR, BCN 20 Tape Desk and video Scanner Image:Ampex-quad-video-head.jpg|Quadruplex videotape Ampex AVR-2 Video Head Image:Sony U-Matic VO-5850 Video head - slip-ring flying head pickup with dust cover.JPG | Sony U-Matic Video head Image:Ampex recorder internals.jpg |Ampex audio recorder Image:VHS diagram.svg | VHS heads Image:NAGRA--TYPE3---PL-GR.jpg |Nagra audio heads: erase, record and play

See also

External links

cs:Hlava (z znamov technika) it:Testina






Source: Wikipedia | The above article is available under the GNU FDL. | Edit this article



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