发明名称 PAY-BY-VIEW PROGRAM CONTROLLER FOR CATV SYSTEM
摘要 PURPOSE:To check the content of a pay-by-view program service via a CATV system L. CONSTITUTION:The controller is provided with a request switch SW, a number of times limit circuit 11 and a timer 13. The timer 13 is operated by the operation of the request switch SW and allows a charged program free of charge for a predetermined time only through a charging processing unit M3 of a coin timer charging device M and the number of times limit circuit 11 limits number of times (n) of operation of the request switch SW below a setting number of times (no).
申请公布号 JPH07184186(A) 申请公布日期 1995.07.21
申请号 JP19930326888 申请日期 1993.12.24
申请人 HOKURIYOU DENKO KK 发明人 YAO MASAMI
分类号 H04N21/442;H04N21/462 主分类号 H04N21/442
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