Title:
BROADCAST FACT AUTOMATIC CONFIRMATION SYSTEM
Document Type and Number:
Japanese Patent JPS5232618
Kind Code:
A
Abstract:
PURPOSE: The discrimination code combining start signal with aural signal of different frequency is recorded to the magnetic recording medium on which the broadcast fact is recorded, and the discrimination code is sampled using the start signal as the starting point at the receiver side. In this way, an easy and and secured confirmation of broadcast fact can be performed.
Inventors:
OOSAWA TAKASHI
KARITA MICHIAKI
KARITA MICHIAKI
Application Number:
JP10851275A
Publication Date:
March 12, 1977
Filing Date:
September 09, 1975
Export Citation:
Assignee:
OSAWA TAKASHI
KARITA MICHIAKI
KARITA MICHIAKI
International Classes:
C23C14/14; H04H20/14; H04H20/31; H04N7/00; H04N17/00; H04H1/00; (IPC1-7): H04H9/00; H04N7/00