发明名称 |
Graphics subsystem bypass method and apparatus |
摘要 |
The present invention provides an on-screen graphics (OSD) subsystem for overlaying OSD graphic images onto analog or digital video source signals. The OSD system has a video graphics bypass path (22) and graphics bypass switch (24) for directing an analog video channel around the OSD subsystem during time intervals when the OSD subsystem is not required to insert graphics into the source signal. |
申请公布号 |
GB2370444(B) |
申请公布日期 |
2003.10.08 |
申请号 |
GB20020007050 |
申请日期 |
1999.09.27 |
申请人 |
* GENERAL INSTRUMENT CORPORATION |
发明人 |
DAVID E * ZEIDLER;ROBERT M * SIMONS;JOSEPH A * PETRY |
分类号 |
H04N5/445;H04N5/46 |
主分类号 |
H04N5/445 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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