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Intercom circuit, device and system

A technology of circuits and branches, applied in the field of vehicle-mounted devices, can solve problems such as user experience discounts, single functions of hand-held devices or walkie-talkies, etc., and achieve the effect of improving expansion capabilities and expanding the scope of adaptation

Pending Publication Date: 2018-11-06
北京旺马科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] At present, the function of the mobile device or walkie-talkie is single, and it can only be connected to the engine control module (ECM) by pressing the voice button (PTT) to connect to the voice channel and realize voice input, which has a great user experience discount

Method used

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  • Intercom circuit, device and system
  • Intercom circuit, device and system
  • Intercom circuit, device and system

Examples

Experimental program
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Embodiment 1

[0020] figure 1 Provide a kind of vehicle-mounted communication system for this embodiment, this communication system comprises intercom device 1, and this intercom device can be hand-held communication devices such as hand station, hand microphone, this intercom has included voice recording and playing device, and it has included MIC (microphone), speaker, and electronic control unit (Electronic Control Unit, ECU) (not shown in the figure) for processing various commands. The vehicle-mounted communication system may also include a vehicle-mounted device 2, the vehicle-mounted device 2 may include a processor unit, a network communication unit, a display screen and a memory, the memory stores an operating system that can be run by the processor unit, and the network communication unit may include , such as 2G, 3G, 4G, 5G, wireless fidelity (WIreless-Fidelity, Wi-Fi), bluetooth module, the vehicle-mounted device 2 may also include but not limited to front-facing or rear-facing ...

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PUM

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Abstract

The invention provides an intercom circuit, device and system. The intercom circuit comprises: a pickup, a loudspeaker, a push-to-talk PTT switch, a plug connector and at least one voltage division branch; the plug connector is electrically connected with the pickup and the loudspeaker respectively to form a voice input / output loop; the PTT switch is connected in parallel with the pickup in the voice input / output loop; and each of the at least one voltage division branch is connected in parallel with the pickup in the voice input / output loop to provide at least one voltage division signal forthe plug connector.

Description

technical field [0001] The vehicle-mounted device technical field of the present invention, in particular relates to an intercom circuit, device and system. Background technique [0002] At present, as an important wireless communication tool, vehicle-mounted walkie-talkies (also known as mobile phones or microphones) are widely used in transportation, social services, disaster relief, Forest fire prevention, emergency communication and other industries. [0003] At present, the function of the mobile phone device or the walkie-talkie is single, and it can only be connected to the engine control module (ECM) by pressing the voice button (PTT) to connect to the voice channel and realize the voice input. The user experience is great. discount. The information disclosed in the background technology section of the application is only intended to deepen the understanding of the general background technology of the application, and should not be regarded as an acknowledgment or ...

Claims

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Application Information

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IPC IPC(8): H04B1/40H04Q5/24
CPCH04B1/40H04Q5/245
Inventor 钱进
Owner 北京旺马科技有限公司
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