Undertaking
Patent
1976-07-20
1978-10-17
Phillips, Charles E.
Undertaking
274 39R, G11B 310
Patent
active
041205049
ABSTRACT:
Improved apparatus and methods for tracking a stylus on a rotating disk are disclosed. The apparatus preferably takes the form of an inertially balanced four bar linkage. Also disclosed herein are improved apparatus for supporting a rotating disk, improved apparatus for driving a rotating platter which supports a disk and improved apparatus for following a stylus and supplying power thereto as it crosses the disk.
REFERENCES:
patent: 2106778 (1938-02-01), Volk
patent: 3103364 (1963-09-01), Macks et al.
patent: 3479038 (1969-11-01), Eisner
patent: 3572724 (1971-03-01), Rabinow
patent: 3674278 (1972-07-01), Bowerman
Phillips Charles E.
Quinn Charles N.
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