Title:
READ CIRCUIT OF DOUBLE FREQUENCY RECORDING SYSTEM
Document Type and Number:
Japanese Patent JPS5320912
Kind Code:
A
Abstract:
PURPOSE: To increase stability and eliminate the need for adjustment by using a window system by a control circuit using a high-accuracy crystal oscillator.
Inventors:
SENOO KOUICHI
Application Number:
JP9584476A
Publication Date:
February 25, 1978
Filing Date:
August 11, 1976
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H03M5/10; G11B5/09; G11B20/14; (IPC1-7): G11B5/09