microgroove


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microgroove

(ˈmaɪkrəʊˌɡruːv)
n
a. the narrow groove in a long-playing gramophone record
b. (as modifier): a microgroove record.

mi•cro•groove

(ˈmaɪ krəˌgruv)

n.
a very narrow spiral needle groove on a long-playing record.
[1945–50]
Translations

microgroove

[ˈmaɪkrəʊgruːv] Nmicrosurco m
References in periodicals archive ?
1931: Long-playing records (33rpm) were demonstrated in New York by RCA-Victor, but the venture failed because of the high price of the players, and the first real microgroove records did not appear until 1948.
Since the 1930s, l'Oiseau-Lyre produced the following number of recordings: 227 on 10" and 12" 78-rpm discs, 270 microgroove recordings, and additional French and English pressings.
The figure indicates that the microgroove depth increases with [a.
The program is aimed at engineering students, academic researchers and industry professionals who would like to learn more about MicroGroove technology.
The shift to the slower-speed microgroove formats explains the much reduced importance of foreign brands such as Columbia, Philips and HMV and of formerly dominant Thai companies such as Kratai in the Late Period of Thai 78 rpm record production, compared to the Middle Period.
At the same time, positive results can often be obtained through implementing special surface finishing methods that are based on the plastic surface deformation of the surface layers of the part, such as surface vibration burnishing with the creation of a regular microgroove pattern.
The Holland is in perfect working order and the microgroove bore is perfect.
Maybe this man's test rifle didn't have the right kind of twist or rifling type to wring out the best in accuracy with lead-alloy projectiles (Marlin Microgroove are an example.
By 1948, Columbia issued the microgroove disc with 1,000 grooves per inch.
Nigel Cotton, MicroGroove team leader for the Copper Alliance, a trade group, says tubes inside air conditioners have been slimmed down to half a centimeter.
India, June 18 -- For commercial systems, Microgroove Technology has been adopted by many companies such as Daikin, Hitachi, Haier and Fujitsu.
1931: Long-playing records (33rpm) were demonstrated in New York by RCA-Victor, but failed because of the high price of the players: the first real microgroove records did not appear until 1948.