Title:
SOUND TRACK DISK IN WHICH RELATION BETWEEN STYLUS AND SOUND TRACK IS RATIONALIZED
Document Type and Number:
Japanese Patent JP2004222215
Kind Code:
A
Abstract:
To provide a sound track disk (so called a record) in which the relation between a stylus and sound tracks is rationalized and its player by considering why the sound track disk has been failed.
In the sound track disk (so called record), the number of revolution of the sound track disk and thickness of the tip of the stylus are determined so that relation that a numeric value of curvature diameter of the tip of the stylus of a cartridge of the player of the sound track disk becomes smaller than a numeric value obtained by dividing travel distance par one second of the innermost swirl of the sound tracks by twofold of the highest frequency of a recording electric signal is established.
Inventors:
NAGAI MASAYA
Application Number:
JP2003038998A
Publication Date:
August 05, 2004
Filing Date:
January 10, 2003
Export Citation:
Assignee:
NAGAI MASAYA
OGAWA KUMIKO
OGAWA HARUHIKO
OGAWA SHINTARO
OGAWA KUMIKO
OGAWA HARUHIKO
OGAWA SHINTARO
International Classes:
H04R1/00; H04R11/08; (IPC1-7): H04R1/00; H04R11/08