Universal Phonograph Styli
作者:
John D. Reid,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1949)
卷期:
Volume 21,
issue 6
页码: 590-592
ISSN:0001-4966
年代: 1949
DOI:10.1121/1.1906554
出版商: Acoustical Society of America
数据来源: AIP
摘要:
The advent of “slow‐speed” records with fine grooves has resulted in the introduction of 3‐speed phonographs which are unduly complex in operation. A great simplification in their mechanical complexity and in turn in the operating procedure can be obtained if the problem of changing the needle for the various types of records is eliminated. With a universal stylus, the phonograph may be designed with one‐tone arm, one cartridge and the only additional operation required of the user is the selection of the correct speed. Several solutions to the problem of a universal stylus will be presented.
点击下载:
PDF
(374KB)
返 回