A volume controlling system of a vehicle-mounted device

A technology of volume control and vehicle equipment, applied in the electronic field, to achieve the effect of comfortable calling experience and omitting settings

Inactive Publication Date: 2014-12-10
QINGDAO SHENGJIA INFORMATION TECH
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention proposes a vehicle-mounted equipment volume control system, which solves the problem in the prior art of realizing volume adjustment by pressing buttons

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A volume controlling system of a vehicle-mounted device
  • A volume controlling system of a vehicle-mounted device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] Such as figure 1 As shown, the vehicle volume control system of the present invention includes: an audio input device 100, the audio input device 100 is connected to a speaker 800 through an audio amplifier circuit 700, and the speaker 800 outputs the received voice signal of another terminal device to the user , the audio input device 100 is also connected to the first sampling circuit 200, the first sampling circuit 200 collects the volume value of the aud...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention presents a volume controlling system of a vehicle-mounted device. The volume controlling system comprises an audio input means connected to a speaker through an audio amplifying circuit, wherein the speaker outputs a voice signal received from another terminal device to a user; the audio input means is further connected to a first sampling circuit, which collects a volume value of the audio input means and converts the volume value to a first voltage value corresponding thereto; a first comparator is a hysteresis comparator, which compares the first voltage value with a reference voltage value, and outputs a difference voltage to a first compensating circuit in the case that a difference between the first voltage value and the reference voltage value exceeds a preset range; and the first compensating circuit is a switch controller, which outputs a pulse signal having an adjustable duty cycle according to the difference voltage, controls turn-on and turn-off of a switch tube in the audio amplifying circuit, and adjusts power output to the speaker.

Description

technical field [0001] The invention relates to the field of electronics, in particular to a volume control system for vehicle-mounted equipment. Background technique [0002] Looking forward to the development of automotive electronics technology, modern automotive electronics has entered a new stage of substantial improvement from the electronic components used to the architecture of the electronic system in the car. With the development of automotive semiconductor technology, cars will become more and more humanized, and even electrification of all functions will be realized. The operation will be more comfortable, convenient, and environmentally friendly. The needs of automotive safety, environmental protection, and entertainment will promote the rapid development of the automotive sensor market. . [0003] In order to enhance the assisted driving function of the system, an intelligent car voice system technology with voice function has been developed rapidly. Connect ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H03G7/06
Inventor 于秀梅高霞
Owner QINGDAO SHENGJIA INFORMATION TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap