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:
Jan. 15, 1980
Filed:
Dec. 12, 1977
Hisayoshi Nakatsuka, Mitaka, JP;
Namiki Precision Jewel Co., Ltd., Tokyo, JP;
Abstract
A pick up lateral pressure detector detachably mountable on the tone arm of a photograph record player, the detector comprising a base detachably mountable with respect to the tone arm, a pivotal member so mounted with respect to the base that the axis of rotation thereof is substantially perpendicular to the surface of the phonograph record, a cantilever so mounted with respect to the pivotal member that it can oscillate with respect to the pivotal member at least in a direction substantially parallel to the phonograph record surface, a reproduction needle mounted on the cantilever adapted to engage the groove of the phonograph record, and indicating means responsive to the rotation of the pivotal member and the cantilever about the axis of rotation of the pivotal member for indicating the lateral pressure of the record groove on the reproduction needle.