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Novel LED key dimming technology

A button and dimming technology, which is applied in the field of new LED button dimming technology, can solve the problems of complex design and high cost, and achieve the effect of low cost and good substitution

Inactive Publication Date: 2019-03-12
钱志强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing LED button dimming technology mainly selects different lamp beads to emit light through the button distributor, and adjusts the brightness by emitting light from different numbers of lamp beads. This kind of LED button dimming technology has problems such as high cost and complicated design.

Method used

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  • Novel LED key dimming technology

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with specific examples.

[0009] Such as figure 1 As shown, a new LED button dimming technology includes an integrated circuit, and the integrated circuit is equipped with a clamp diode, an undervoltage protection module), an oscillator module, a delayer, a dimming control module, and a power-on reset module. , the integrated circuit is externally connected with bypass capacitors and LED modules.

[0010] In the normal working state, this module does not work, and the voltage of the bypass capacitor is clamped at a fixed voltage by the clamping diode. When the external switch enters the off state, the terminal voltage begins to drop, and when it drops to the threshold point of the undervoltage protection voltage , the undervoltage protection logic flips, the oscillator starts to work, the delay timer starts counting, and the delay time is set internally as T. If the switch is turned on again in a sho...

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Abstract

The invention discloses a novel LED key dimming technology. The novel LED key dimming technology is characterized by comprising an integrated circuit, wherein a clamping diode, an under-voltage protection module, an oscillator module, a delayer, a dimming control module and a power-on reset module are arranged in the integrated circuit, and the integrated circuit is externally connected to a bypass capacitor and an LED module.

Description

technical field [0001] The invention relates to LED button dimming technology, in particular to a novel LED button dimming technology. Background technique [0002] The existing LED button dimming technology mainly selects different lamp beads to emit light through the button distributor, and adjusts the brightness by emitting light from different numbers of lamp beads. This kind of LED button dimming technology has problems such as high cost and complicated design. . Contents of the invention [0003] The invention aims at the deficiencies in the prior art, and provides a novel LED button dimming technology. [0004] The present invention is realized through the following technical solutions: a novel LED button dimming technology, including an integrated circuit, the integrated circuit is provided with a clamping diode, an undervoltage protection module), an oscillator module, a delayer, a dimming Light control module, power-on reset module, bypass capacitor and LED mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/10Y02B20/30
Inventor 钱志强
Owner 钱志强
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