US Patent No: 5,587,631
Number of patents in Portfolio can not be more than 2000
Resistor-matched deflection apparatus for a video display
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Dec 24, 1996
Issued date -
Oct 23, 1992
filing date -
07/965,310
serial no -
In Force
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Importance
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Abstract
In a D.C. coupled vertical deflection circuit, an input sawtooth signal is coupled to an inverting input of a vertical deflection amplifier via a first resistor network. A D.C. voltage is coupled to a second input of the amplifier via a second resistor network for preventing the D.C. signal component from affecting the deflection current. To provide temperature compensation, for every resistor included in the first resistor network, there is included a corresponding resistor of equal value in the second resistor network.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,216,336 Generator for sawtooth signal with selectable retrace slope for a deflection apparatus | 6 | 1992 | |
| 5,220,253 Service switch for video display deflection apparatus | 3 | 1992 | |
| 5,243,263 Service adjustment arrangement for a sawtooth generator of a video display | 4 | 1992 | |
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| 4,686,432 Vertical deflection circuit for electron beams in picture tubes | 16 | 1985 | |
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| 4,277,729 Simplified vertical deflection circuit | 12 | 1979 | |
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| 4,737,691 Television apparatus for generating a phase modulated deflection current | 8 | 1986 | |
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| 4,490,653 Deflection systems and ramp generators therefor | 22 | 1982 | |
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| 5,250,879 Deflection circuit having a controllable sawtooth generator | 8 | 1992 | |
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| 4,314,183 Sawtooth-generating circuit | 7 | 1979 | |