LETTERBOX TELEVISION SIGNAL WITH CHROMINANCE HELPER SIGNAL,申请号GB19920025825-传众专利搜索

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发明名称	LETTERBOX TELEVISION SIGNAL WITH CHROMINANCE HELPER SIGNAL
摘要
申请公布号	GB2262859(A)	申请公布日期	1993.06.30
申请号	GB19920025825	申请日期	1992.12.10
申请人	* BRITISH BROADCASTING CORPORATION	发明人	MICHAEL GEORGE * CROLL;JAMES EDWARD * EASTERBROOK
分类号	H04N7/00;H04N11/16	主分类号	H04N7/00
代理机构		代理人
主权项
地址

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