Deriving key signal for chroma key mixing,申请号GB19900021101-传众专利搜索

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发明名称	Deriving key signal for chroma key mixing
摘要
申请公布号	GB2239574(A)	申请公布日期	1991.07.03
申请号	GB19900021101	申请日期	1990.09.28
申请人	* BTS BROADCAST TELEVISION SYSTEMS GMBH	发明人	KLAUS-DIETER * MULLER
分类号	H04N5/275;H04N9/75	主分类号	H04N5/275
代理机构		代理人
主权项
地址

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