发明名称 |
Composite image display apparatus |
摘要 |
An image display apparatus has an: image signal receiver for simultaneously receiving two different image signals, a first image signal and a second image signal; a memory for writing therein the second image signal; controlling means for controlling the writing position, writing frequency, writing sequence, reading-out sequence, reading-out frequency and start-timing of reading-out of the second image signal; a display for displaying full picture information or partial picture information of the second image signal a part of a displayed picture of the first image signal by selectively reading-out the second image signal under the control of the controller; and zoom-up device for stepwisely or continuously varying the writing position and reading-out position of the second image signal controlled by the controller so as to zoomwisely display the full or partial picture of the second image signal on the picture of the first image signal.
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申请公布号 |
US4249211(A) |
申请公布日期 |
1981.02.03 |
申请号 |
US19790009731 |
申请日期 |
1979.02.05 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
BABA, TAKAAKI;KITANI, TERUO;NAKAZAWA, MASAO;YOSHINO, HIROKAZU;FUJITA, TATSUO;TSUBOKA, EIICHI |
分类号 |
H04N5/45;(IPC1-7):H04N5/22 |
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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