CN203166896U

CN203166896U - Interphone

Info

Publication number: CN203166896U
Application number: CN2013201229254U
Authority: CN
Inventors: 杨金钰
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-18
Filing date: 2013-03-18
Publication date: 2013-08-28
Anticipated expiration: 2023-03-18

Abstract

The utility model provides an interphone, which comprises a microphone, a loudspeaker, an audio coding and decoding module, a wireless communication module, a button and a processor, wherein the microphone and the loudspeaker are respectively connected with the audio coding and decoding module, and the audio coding and decoding module, the wireless communication module and the button are respectively connected with the processor. The interphone provided by the utility model transmits audio signals via wireless network, and intercommunication is not limited by conversation distance.

Description

A kind of intercom

Technical field

The utility model relates to electronic equipment, relates in particular to a kind of intercom.

Background technology

Intercom is a kind of portable two-way radio transceiver, and main feature is half-duplex channel (at every turn can only finish accept or transmit wherein one) and presses the button just and can transmit.

Traditional intercom mainly comprises radiating portion and receiving unit, wherein, radiating portion adopts phase-locked loop and voltage controlled oscillator to produce the radio-frequency carrier signal of emission, amplify through buffering, excitation is amplified, power amplifier, produces specified radio-frequency power, through the antenna low pass filter, suppress harmonic components, launch by antenna then; Receiving unit carries out the radio frequency amplification with the signal of antenna input after receiving and dispatching change-over circuit and band pass filter, enter mixing through band pass filter again, will from the amplifying signal of radio frequency with from first local oscillation signal of phase-locked loop frequency synthesizer circuit in the first frequency mixer place mixing and generate first intermediate-freuqncy signal, first intermediate-freuqncy signal is further eliminated the noise signal of neighboring trace by crystal filter, filtered first intermediate-freuqncy signal enters the intermediate frequency process chip, with second local oscillation signal again mixing generate second intermediate-freuqncy signal, after second intermediate-freuqncy signal is passed through a useless spurious signal of ceramic filter filtering, be exaggerated and frequency discrimination, produce audio signal.Audio signal enters volume control circuit and power amplifier and amplifies by amplification, band pass filter, circuit such as postemphasis, and drives loud speaker, obtains the required information of people.

Traditional intercom just can be conversed under the situation of network support, does not have telephone expenses to produce, and is applicable to the occasion of relative fixed and frequent conversation.Yet the distance between two intercoms is separated by far away, has in the middle of perhaps under the situation that high-lager building or high mountain stop, conversation can be subjected to very big influence.

The utility model content

The utility model proposes a kind of new intercom, can eliminate traditional intercom to the restriction of speech range.

The utility model proposes a kind of intercom, comprising: microphone, loud speaker, audio coding decoding module, wireless communication module, button and processor; Wherein, described microphone, loud speaker link to each other with described audio coding decoding module respectively, and described audio coding decoding module, wireless communication module, button link to each other with described processor respectively.

The intercom that the utility model proposes transmits audio signal by wireless network, intercommunication does not have the restriction of speech range.

Preferred as technique scheme, described wireless communication module comprises mobile communication module and WIFI communication module.Multiple wireless transmission method is provided.

Preferred as technique scheme, described intercom also comprises display, described display links to each other with described processor.Therefore, intercom can also have the function of demonstration information.

Preferred as technique scheme, described display is touching-type monitor.Be convenient to user's operation more.

Preferred as technique scheme, described intercom also comprises keyboard, described keyboard links to each other with described processor.Therefore, intercom can also be imported information.

Preferred as technique scheme, described intercom also comprises the GPS module, described GPS module links to each other with described processor, allows intercom realization positioning function.

Preferred as technique scheme, described intercom also comprises picture pick-up device and image processing module, and described picture pick-up device connects described image processing module, and described image processing module links to each other with described processor, make intercom not only have intercommunication function, can also carry out video and exchange with picture.

Preferred as technique scheme, described intercom also comprises bluetooth module, described bluetooth module links to each other with described processor.

Preferred as technique scheme, described intercom also comprises card reader module, described card reader module links to each other with described processor, makes intercom to read data from the outside.

Preferred as technique scheme, described intercom also comprises the intercommunication module, described intercom module links to each other with described processor, makes intercom carry out intercommunication by traditional intercommunication pattern when wireless communication module is unavailable.

The further feature of the utility model embodiment and advantage will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.

Below by drawings and Examples, the technical scheme of the utility model embodiment is described in further detail.

Description of drawings

Accompanying drawing is used to provide the further understanding to the utility model embodiment, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, does not constitute the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is the primary structure schematic diagram of intercom among the utility model embodiment;

Fig. 2 is the concrete structure schematic diagram of intercom among the utility model embodiment.

Embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model embodiment, and be not used in restriction the utility model embodiment.

As shown in Figure 1, the utility model proposes a kind of intercom, comprising: microphone 101, loud speaker 102, audio coding decoding module 103, wireless communication module 104, processor 105 and button 106; Wherein,

Microphone 101 links to each other with audio coding decoding module 103 respectively with loud speaker 102, and audio coding decoding module 103, wireless communication module 104 and button 106 link to each other with processor 105 respectively.When button 106 is pressed, the voice signal that processor 105 control audio coding decoding modules 103 are gathered microphone 101 carries out encoding compression processing, when button 106 was released, processor 105 control wireless communication modules 104 sent the voice data after the encoding compression processing.Processor 105 is also controlled audio coding decoding module 103 and will be decoded and decompress from the voice data that wireless communication module 104 receives, and through loud speaker 102 audio frequency that receives is play.Wherein, button 106 can be mechanical key, also can be virtual key.

Preferably, wireless communication module 104 can comprise mobile communication module and WIFI (Wireless Fidelity, Wireless-Fidelity) module.

Mobile communication module for example can be 2G module (2rd-generation, second generation mobile communication technical specification, CDMA (Code Division Multiple Access for example, code division multiple access), GSM (global system for mobile communications, global system for mobile communications)), 3G module (3rd-generation, the 3G (Third Generation) Moblie technical specification, WCDMA (Wideband Code Division Multiple Access for example, Wideband Code Division Multiple Access (WCDMA)), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA), CDMA2000 (Code Division Multiple Access2000, or 4G module (4th-generation, the 4th third-generation mobile communication technical specification) CDMA 2000)).

Preferably, as shown in Figure 2, intercom can also comprise display 107, and display 107 links to each other with processor 105.Display 107 can be used for showing associated person information, showing the application program that is installed in intercom.Preferably, display 107 is touch screen displays.

Preferably, as shown in Figure 2, intercom can also comprise keyboard 108, and keyboard 108 links to each other with processor 105, is used for input information.

Preferably, as shown in Figure 2, intercom also comprises GPS module 109, and GPS module 109 links to each other with processor 105, and GPS module 109 is used for obtaining the current location of intercom.

Preferably, as shown in Figure 2, intercom also comprises picture pick-up device 110 and image processing module 111, picture pick-up device for example is camera, picture pick-up device 110 connects image processing module 111, image processing module 111 is handled the image of picture pick-up device 110 (for example compressed encoding), and image processing module 111 links to each other with processor 105, and the view data after processor 105 control wireless communication modules 104 are handled image processing module 111 is transmitted.

Preferably, as shown in Figure 2, intercom also comprises bluetooth module 112, and bluetooth module 112 links to each other with processor 105, but is used for connecting the time spent when bluetooth, uses bluetooth module 112 transmission data.

Preferably, as shown in Figure 2, intercom also comprises card reader module 113, and card reader module 113 links to each other with processor 105, is used for reading for example data of SD card storage cards such as (Secure Digital Memory Card).

Preferably, as shown in Figure 2, intercom also comprises intercom module 114, and described intercom module 114 links to each other with processor 105, is used for using intercom module 114 realization intercommunication functions when wireless communication module 104 is unavailable.Intercom module 114 refers to for the electronic component of realizing traditional intercommunication function, the function of intercom module 114 comprises the processing of emission voice signal, modulation, power amplification, the amplification of reception low noise, voice signal demodulation, signal are handled, for example the miniature intercom module of U.S. core only needs to connect processor, microphone and loud speaker and gets final product work.

The intercom that the utility model proposes mainly is made up of audio coding decoding module, wireless communication module, and voice content transmits by wireless network, and intercommunication can not be subjected to the restriction of speech range.

The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims

1. an intercom is characterized in that, comprising: microphone, loud speaker, audio coding decoding module, wireless communication module, button and processor; Wherein,

Described microphone, loud speaker link to each other with described audio coding decoding module respectively, and described audio coding decoding module, wireless communication module, button link to each other with described processor respectively.

2. intercom as claimed in claim 1 is characterized in that, described wireless communication module comprises mobile communication module and WIFI communication module.

3. intercom according to claim 1 is characterized in that, described intercom also comprises display, and described display links to each other with described processor.

4. intercom according to claim 3 is characterized in that, described display is touch screen displays.

5. intercom according to claim 1 is characterized in that, described intercom also comprises keyboard, and described keyboard links to each other with described processor.

6. according to the intercom under the claim 1, it is characterized in that described intercom also comprises the GPS module, described GPS module links to each other with described processor.

7. intercom according to claim 1 is characterized in that, described intercom also comprises picture pick-up device and image processing module, and described picture pick-up device connects described image processing module, and described image processing module links to each other with described processor.

8. intercom according to claim 1 is characterized in that, described intercom also comprises bluetooth module, and described bluetooth module links to each other with described processor.

9. intercom according to claim 1 is characterized in that, described intercom also comprises card reader module, and described card reader module links to each other with described processor.

10. intercom according to claim 1 is characterized in that, described intercom also comprises the intercom module, and described intercom module links to each other with described processor.