Switching apparatus for horizontal driving pulse
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Oct 16, 2000
filing date -
Oct 15, 1999
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Expired
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Abstract
In a horizontal deflection circuit, a waveform response of a horizontal output pulse must be adequately taken into account before and after a switching of the horizontal output pulse so that the waveform does not lack in shape and does not lose continuity at the switching. A switching apparatus for a horizontal driving apparatus includes (a) a horizontal driving pulse generator which generates a horizontal driving pulse from a horizontal synchronization signal, (b) an alternative signal generator which outputs an alternative signal different from the horizontal driving pulse, (c) a horizontal output control device which determines a timing to switch between the horizontal driving pulse and the alternative signal, and (d) a switching device which switches an output pulse with a control signal which is output from the horizontal output control device. The switching device switches only when both the output signal from the horizontal driving pulse generator and the output signal from the alternative signal generator change from a low level to a high level at the same time.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ando, Hiroshi | Osaka, JP | 176 | 2665 |
Moribe, Hiroshi | Osaka, JP | 14 | 121 |
Morita, Hisao | Osaka, JP | 11 | 42 |
Shibutani, Ryuichi | Osaka, JP | 13 | 73 |
Takeshima, Masahiro | Osaka, JP | 20 | 539 |
Taketani, Nobuo | Hyogo, JP | 14 | 56 |
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