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Electronic equipment and mother board thereof

A technology for electronic equipment and motherboards, which is applied in TVs, electrical components, color TVs, etc., and can solve problems such as poor shared performance of motherboards

Inactive Publication Date: 2011-03-30
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the sharing performance of the motherboard is poor.

Method used

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  • Electronic equipment and mother board thereof
  • Electronic equipment and mother board thereof

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Experimental program
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Embodiment Construction

[0009] Please refer to figure 1 , the electronic device 100 of the present invention includes a main board 1 and a sub-board connected to the main board 1 such as an induction circuit board 2 . In this embodiment, the electronic device 100 is a network camera.

[0010] The sensing circuit board 2 includes an electronic component such as a sensor 20 and two ID pins 23 and 24 for identifying the type of the daughter board and outputting an ID (identity, identity) signal. The sensor 20 may be a CMOS (Complementary Metal-Oxide-Semiconductor Transistor, Complementary Metal-Oxide Semiconductor) mode sensor, and the main board 1 provides an appropriate voltage to the sensing circuit according to the type of the sensing circuit board 2 The corresponding sensor 20 of board 2

[0011] The motherboard 1 includes a voltage converter 10 , a resistor regulator 20 , a demultiplexer 30 , a first capacitor C1 , a second capacitor C2 , a power terminal 40 and a first resistor R1 . The voltag...

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PUM

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Abstract

The invention relates to electronic equipment. The electronic equipment comprises a mother board and a daughter board, wherein the daughter board comprises an electronic element and a plurality of identification (ID) pins used for identifying daughter board types; the mother board comprises a voltage converter, a resistance regulator, a demultiplexer and a resistor; the voltage converter comprises a voltage input end used for receiving a voltage, a voltage output end used for supplying a voltage required by the electronic element and a reference end; the reference end is connected with the resistance regulator; a first resistor is connected between the voltage output end and the reference end of the voltage converter; and the demultiplexer selectively outputs a control signal to the resistance regulator according to received ID signals for regulating a resistance value between the reference end of the voltage converter and ground, so that the voltage converter outputs the voltage required by the electronic element. The electronic equipment improves the interoperability of the mother board.

Description

technical field [0001] The invention relates to an electronic device and its main board. Background technique [0002] The network camera includes a main board and a sensing circuit board. After the sensing circuit board is plugged into the main board, the main board provides system voltage for the sensing circuit board and voltage for sensors on the sensing circuit board, and communicates with the sensing circuit board. Since the voltage on the induction circuit board is provided by the main board, and the CMOS (Complementary Metal-Oxide-Semiconductor Transistor, Complementary Metal-Oxide Semiconductor) mode sensor or CCD (Charge Coupled Device, Charge Coupled Device) on the induction circuit board The sensor of the mode will have different voltage requirements due to different designs. When replacing the sensing circuit board to meet the needs of the client, it is necessary to modify the voltage provided by the motherboard to the sensor of the sensing circuit board. In t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/225
CPCH04N5/225H02M3/00G06F1/26
Inventor 谢明志
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD