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Steering wheel key function learning system

A learning system, steering wheel technology, applied in the field of vehicle systems, can solve problems such as mismatching steering wheel buttons

Inactive Publication Date: 2014-04-23
DONGGUAN CITY YESSUN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For many in-vehicle systems, due to different car manufacturers and different model designs, there will be differences in the steering wheel button circuit, because in the process of installing the in-vehicle system, there will often be problems that do not match the original car steering wheel buttons

Method used

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  • Steering wheel key function learning system
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Embodiment Construction

[0028]

[0029] 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.

[0030] Such as figure 1 As shown, the steering wheel button function learning system of the present invention includes a control module 1, a button input port 2, a pull-up resistor matching module 3, an A / D conversion module 4 and an I / O interface 5, and the control module 1 serves as The core of the whole system is connected with the processor of the on-board system, and receives the learning request sent by the facility processor, so as to provide the pull-up resistance value matched with the steering wheel of different models, and the learning of the key function has been completed; the key input port 2 , corresponding to AUX-KEY3 in the figure, as the resistance value input when different keys of the original car steering wheel are pressed.

[0031]...

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PUM

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Abstract

The invention discloses a steering wheel key function learning system in one embodiment. The steering wheel key function learning system comprises a control module for providing pull-up resistance values matched with the steering wheels of different vehicle models, a key input port for inputting resistance values generated when different keys of the steering wheel of the original vehicle are pressed down, a pull-up resistance matching module for a control module to provide different pull-up resistance values according to the corresponding resistance values input by the key input port, an A / D conversion module for collecting voltage values when the pull-up resistance matching module provides the different pull-up resistance values, converting the voltage values into digital signals and transmitting the digital signals to the control module, and an I / O interface for providing the A / D conversion modules with different pull-up control ports. The steering wheel key function learning system is capable of matching the operations of the steering wheel keys of automobiles of different types, and therefore, the compatibility of various vehicle-mounted systems in the use process is greatly improved.

Description

[0001] technical field [0002] The invention relates to a vehicle-mounted system, in particular to a steering wheel button function learning system and a learning method. Background technique [0003] The so-called car system refers to the products that can be used in cars or similar sports tools, which are convenient to use in car sports. The most common ones are car MP3, MP4, GPS, car DVD, car hard disk drive, car power supply, car refrigerator, Car massager, car computer, car TV, car hard disk, etc. The use of these vehicle-mounted products generally needs to be powered by the vehicle-mounted cigarette lighter. Vehicle-mounted products have penetrated into people's daily life and facilitated everyone's life. In addition to the above, the vehicle system also includes vehicle monitoring system, 3G vehicle system, vehicle information system and so on. For many in-vehicle systems, due to different car manufacturers and different model designs, there will be differences i...

Claims

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Application Information

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IPC IPC(8): B60R16/02
Inventor 朱海清
Owner DONGGUAN CITY YESSUN ELECTRONICS
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