发明名称 |
Picture-in-picture television receiver with separate channel display |
摘要 |
A picture-in-picture type television receiver in which a sub-picture screen is inset within a main picture screen to allow the same or different pictures to be simultaneously displayed and which includes a circuit for separately displaying the channel numbers of both the main and sub-picture screens momentarily whenever the picture content of the sub-picture screen is changed and whenever the picture content of the main picture is changed if the sub-picture is display.
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申请公布号 |
US4746983(A) |
申请公布日期 |
1988.05.24 |
申请号 |
US19860944660 |
申请日期 |
1986.12.19 |
申请人 |
SONY CORPORATION |
发明人 |
HAKAMADA, KUNIO |
分类号 |
H04N5/45;(IPC1-7):H04N9/64;H04N5/262 |
主分类号 |
H04N5/45 |
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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