magnetic tape head
71Helical scan — is a method of recording high bandwidth signals onto magnetic tape. It is used in video tape recorders, video cassette recorders, digital audio tape recorders, and some computer tape drives. Comparison to linear tape recording In a fixed head… …
72Wire recording — A Peirce 55 B dictation wire recorder from 1945 …
73sound recording — Introduction transcription of vibrations in air that are perceptible as sound onto a storage medium, such as a phonograph disc. In sound reproduction the process is reversed so that the variations stored on the medium are converted back… …
74Stereo 8 — This is an article about the 8 track cartridge. For eight track multitracking, see Multitrack recording. Infobox media name = Stereo 8 caption = An 8 track cartridge of Never Mind the Bollocks, Here s the Sex Pistols type = magnetic tape encoding …
75Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
76Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
77Nakamichi — Corporation Limited Type Subsidiary of Grande Holdings Ltd Industry Electronics Founded Tokyo, Japan (1948) …
78electromagnet — /i lek troh mag nit/, n. a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it. [1815 25; ELECTRO + MAGNET] * * * Device consisting of a core of magnetic material such as iron, surrounded… …
79Computer data storage — 1 GB of SDRAM mounted in a personal computer. An example of primary storage …
80computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …
