Motionless-image display with auto-adjusting light system and the method for forming the same
First Claim
Patent Images
1. An auto-adjusting light apparatus of a digital photo-album comprising:
- an inputting sub-circuit that is coupled to receive a setting value;
a photosensitive sub-circuit that is coupled with the output terminal of said inputting sub-circuit to form a node, wherein said photosensitive sub-circuit can generate a plurality of variation values according to the various light source in the background;
a controlling sub-circuit whose the input terminal is coupled with said node to receive said plurality of variation values and said setting value, wherein the output terminal of said controlling sub-circuit is coupled with said output node to feed back said plurality of variation values in order, and said controlling sub-circuit can perform a compared action to generate a plurality of controlling signals according to the difference between said plurality of variation values and said setting value and the difference between said plurality of variation values from each other;
an inverter whose the input terminal is coupled with the controlling sub-circuit to receive the plurality of controlling signals, wherein the inverter can generate a plurality of starting voltages according to the plurality of controlling signals; and
a liquid crystal displaying sub-circuit whose the input terminal is coupled with the output terminal of said inverter to receive said plurality of starting voltages, so as to lighten the light with various contrasts and brightness.
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Abstract
An auto-adjusting light system includes an inputting sub-circuit, a photosensitive sub-circuit, a controlling sub-circuit, a starting sub-circuit, and a display. The inputting sub-circuit is used to input a setting value. The photosensitive sub-circuit is used to catch variations of the light source in the background. The controlling sub-circuit is coupled with the inputting sub-circuit and the photosensitive sub-circuit to receive the setting value and the variation value and generates a controlling signal. The starting sub-circuit is coupled with the controlling sub-circuit to receive the controlling signal and generates a starting voltage. The display is coupled with the starting sub-circuit to receive the starting voltage lightening the display.
21 Citations
6 Claims
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1. An auto-adjusting light apparatus of a digital photo-album comprising:
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an inputting sub-circuit that is coupled to receive a setting value; a photosensitive sub-circuit that is coupled with the output terminal of said inputting sub-circuit to form a node, wherein said photosensitive sub-circuit can generate a plurality of variation values according to the various light source in the background; a controlling sub-circuit whose the input terminal is coupled with said node to receive said plurality of variation values and said setting value, wherein the output terminal of said controlling sub-circuit is coupled with said output node to feed back said plurality of variation values in order, and said controlling sub-circuit can perform a compared action to generate a plurality of controlling signals according to the difference between said plurality of variation values and said setting value and the difference between said plurality of variation values from each other; an inverter whose the input terminal is coupled with the controlling sub-circuit to receive the plurality of controlling signals, wherein the inverter can generate a plurality of starting voltages according to the plurality of controlling signals; and a liquid crystal displaying sub-circuit whose the input terminal is coupled with the output terminal of said inverter to receive said plurality of starting voltages, so as to lighten the light with various contrasts and brightness. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification
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Current AssigneeSanJet Technology Corp.
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Original AssigneeAiptek International Incorporated (Aiptek Incorporated)
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InventorsChen, Huang-Tsun
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Primary Examiner(s)Shalwala, Bipin
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Assistant Examiner(s)DHARIA, PRABODH M
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Application NumberUS09/990,353Publication NumberTime in Patent Office1,572 DaysField of Search345/87, 345/8, 345/107, 345/211, 345/95, 345/97, 348/220.1, 348/302, 348/745, 315/307, 358/113, 358/335, 354/441, 359/55, 340/781, 349/42US Class Current345/87CPC Class CodesG09G 2320/0606 Manual adjustmentG09G 2320/0626 for control of overall brig...G09G 2320/066 for control of contrastG09G 2360/145 the light originating from ...G09G 3/3406 Control of illumination sou...
