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Detecting and charging integrated device and electric quantity and state detection method

A charging circuit and electric power technology, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve the problems of not integrating charging and detection and identification, high cost of implementation, complex structure, etc., and achieve software and hardware Realize the effect of simplicity, low cost and simple structure

Inactive Publication Date: 2011-06-01
JULONG EDUCATIONAL TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a four-color pen and eraser detection and identification and charging integration device and related detection and identification methods for the existing defects of complex structure, high implementation cost, and non-integration of charging and detection and identification

Method used

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  • Detecting and charging integrated device and electric quantity and state detection method
  • Detecting and charging integrated device and electric quantity and state detection method
  • Detecting and charging integrated device and electric quantity and state detection method

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] The embodiment of the present invention provides an integrated device for detection and charging of four-color pens and erasers, which is used to automatically detect whether one of a plurality of electronic pens and electronic erasers is used (that is, to determine whether a certain electronic pen or electronic eraser is used) removed), and charge multiple electronic pens and electronic erasers at the same time, such as figure 1 As shown, the device includes a main controller 110, and the device also includes a PWM timer 111, an analog channel control switch 112, a pen power detection and c...

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Abstract

The invention relates to an integrated device for detecting, identifying and charging a four-color pen and an eraser, and a related method. The device comprises a main controller, and is characterized by also comprising a pulse width modulation (PWM) timer, an analog channel control switch, a pen electric quantity detecting and charging circuit and analog / digital (A / D) channels which are in signal connection with the main controller respectively. The A / D channels are switched to measure the electric quantity of the pen, the charging of multiple channels and the identification and detection of the pen are combined and integrated, the device has a simple structure and low cost and is reliable, and software and hardware are relatively easy to implement.

Description

technical field [0001] The invention relates to the technical field of electronic whiteboard products, more specifically, to an integrated device for detecting and charging a four-color pen and an eraser, and a method for detecting power and state. Background technique [0002] The current electronic whiteboard writing method provided by the prior art only has a single colorless electromagnetic pen, and does not have the function of automatically identifying multiple pens and multiple colors. When the user needs to write with pens of different colors during the electronic whiteboard writing process, the current The electronic whiteboard writing method cannot meet the requirements. Moreover, the functions of real-time power detection and real-time charging of the pen cannot be achieved. The electronic whiteboard provided by the prior art does not require the traces written by the pens to be stored locally, that is, to be used by a single machine. When the user needs to store...

Claims

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Application Information

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IPC IPC(8): G06F3/041
Inventor 柳国华陈阳荣全兴明
Owner JULONG EDUCATIONAL TECH
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