The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 1978
Filed:
Oct. 05, 1976
Applicant:
Inventors:
Assignee:
Victor Company of Japan, Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
274 38 ; 361212 ;
Abstract
A stylus for cutting a sound groove on a disc recording medium comprises a diamond body having a groove cutting part, for producing a chip cut from the disc recording medium. The stylus also includes a structure made of a material which does not readily generate static electricity when the chip is in sliding contact therewith. The non static electricity generating material is at a position on the cutting stylus body which is contacted by the chip.