Title:
VALIDATION SYSTEM FOR CHARGEABLE RADIO TV SYSTEM
Document Type and Number:
Japanese Patent JPS5457823
Kind Code:
A
Inventors:
TOMIZAWA AKIMORI
Application Number:
JP12422377A
Publication Date:
May 10, 1979
Filing Date:
October 17, 1977
Export Citation:
Assignee:
CLARION CO LTD
International Classes:
H04N7/16; (IPC1-7): H04N7/16