发明名称 TWO-WAY BROADCAST SYSTEM AND RECEIVER FOR TWO-WAY BROADCAST
摘要 PURPOSE: To attain audience rate with high accuracy quickly by receiving multiple broadcast including return destination information and sending a channel selection history to a reply destination in response to a transmission trigger. CONSTITUTION: A receiver system 20 of a TV system receiving multiple broadcast including reply information destination from a system 10 of a broadcast station and having an adaptor 22 and a TV receiver 21 or the like separates and decodes reply destination information and a telephone set 24 is connected to the system 10 via a telephone line 31 via a telephone set system 30. Then a channel selection history collected by the reply of each system 20 is sent via a line 31 to the system 10 in response to the transmission trigger of a channel selection history transmission request from the system 10. Thus, an audience rate is made by the broadcast station with high accuracy quickly.
申请公布号 JPH08163538(A) 申请公布日期 1996.06.21
申请号 JP19940332017 申请日期 1994.12.12
申请人 SONY CORP 发明人 YOSHINOBU HITOSHI
分类号 H04H20/28;H04H20/81;H04H20/93;H04H60/31;H04H60/94;H04N7/173;H04N21/235;H04N21/435;H04N21/45 主分类号 H04H20/28
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