Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RECORDING AND REPRODUCING UNIT FOR COLOR VIDEO SIGNAL
Document Type and Number:
Japanese Patent JPS5419611
Kind Code:
A
Abstract:

PURPOSE: To surely eliminate the change in hue at color, by holding the frequency of recording stably and by avoiding deterioration of S/N at black and white, through inputting the stable output of the reference chroma subcarrier frequency oscillator to the frequency converter at recording and reproduction.


Inventors:
NAKAGAWA HIMIO
WATAYA YOSHIZUMI
Application Number:
JP8424377A
Publication Date:
February 14, 1979
Filing Date:
July 15, 1977
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI LTD
International Classes:
G11B20/02; G11B5/027; H04N9/83; (IPC1-7): G11B5/027; H04N5/79; H04N9/02