Title:
ROTARY DETECTION SYSTEM FOR MAGNETIC RECORDING/REPRODUCING UNIT
Document Type and Number:
Japanese Patent JPS538515
Kind Code:
A
Abstract:
PURPOSE: To improve the jitter by detecting independently the revolution direction of a recording medium and the revolution error caused by an uneven rotation in the axis-shift direction.
Inventors:
SUGIYAMA HIROYUKI
Application Number:
JP8254476A
Publication Date:
January 26, 1978
Filing Date:
July 13, 1976
Export Citation:
Assignee:
VICTOR COMPANY OF JAPAN
International Classes:
H04N5/781; G01P3/44; G11B19/02; G11B19/28; H04N5/78; (IPC1-7): G11B19/02; H04N5/78
Next Patent: CONTROL SIGNAL RECORDING SYSTEM