CN103079118A - Multi-function field interphone - Google Patents
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Abstract
The invention discloses a multi-function field interphone, which comprises a keyboard, a liquid crystal display screen, a microphone, an earphone, a baseband module and a radio frequency module, wherein the baseband module and the radio frequency module can in both-way communication; the baseband module comprises a single chip microcomputer, a temperature and humidity sensor, a digital interphone baseband signal processing module, a first coder and decoder, a second coder and decoder and a communication module; and the radio frequency module comprises a radio frequency transceiver chip, a surface acoustic wave filter, a radio frequency power amplification chip, a voltage-controlled temperature-compensated crystal oscillator, a frequency modulation demodulation chip and an antenna. The single chip microcomputer in the baseband module provides a good external connection function, the radio frequency transceiver chip and the radio frequency power amplification chip in the radio frequency module modulate and amplify a signal and then the signal is transmitted through the antenna, and therefore the purposes of good expansibility and far transmission distance are achieved. The multi-function field interphone is suitable for the field environment, has far transmission distance and high ratio of bandwidth utilization, integrates conversation, pulse monitoring, temperature and humidity measurement, positioning and emergency phone, and can set up an emergency network by one key so as to be convenient for rescue.
Description
Technical field
The present invention relates to signal transmission apparatus, particularly, relate to a kind of Multifunctional outdoor intercom.
Background technology
In recent years, donkey friend self-service trip Frequent Accidents even there are many missing accident rescue personnels to arrive in the accurate location that also can't obtain the party site of an accident, thereby causes the difficulty of rescue.In the lowered in field environment, a lot of local cover without the mobile network, mobile phone is lack scope for their abilities, and the intercom carried of donkey friend plays a part vital pass-along message in this case.
Similarly situation is almost completely paralysed at the regional mobile base station facility that suffers disasters such as earthquake or tsunami, and intercom also becomes the means of communication of the personnel's indispensability of speedily carrying out rescue work.Surveillance center need to go to understand the information of each personnel's that speedily carry out rescue work position, local environment and the personnel's that try to be the first life situation in real time, and traditional intercom can't transmit these data.
At present, intercom common on the market belongs to analog-interphone, and the voice signal after being about to gather directly is modulated to high frequency and transmits.Although technology maturation, its shortcoming is also apparent: existing intercom limited coverage area, function singleness, function are difficult to expansion, more can't satisfy the specific demand under the case of emergency.Especially under emergency environmental, traditional intercom can't transmit the vital sign such as the party, residing environmental information and these parameters of geographical position accurately, and traditional non-relay function of intercom terminal, and the coverage of communication is restricted.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of Multifunctional outdoor intercom, to realize the advantage of favorable expandability, long transmission distance.
For achieving the above object, the technical solution used in the present invention is:
A kind of Multifunctional outdoor intercom, comprise keyboard, LCDs, microphone and earphone, also comprise baseband module and radio-frequency module, but described baseband module and radio-frequency module two-way communication, described baseband module comprises single-chip microcomputer, Temperature Humidity Sensor, the digital handset baseband signal processing module, the first coder, the second coder, and communication module, described single-chip microcomputer is by bus control figure intercom baseband signal processing module, transmit specific control command word, control simultaneously and read the input of Temperature Humidity Sensor and keyboard, and the result of current operation is being exported on the LCDs; After the voice signal of described microphone input is processed by the first coder and digital handset baseband signal processing module coding, being modulated to baseband signal sends by the second coder coding is rear, signal from radio-frequency module transfers to the digital handset baseband signal processing module after the decoding of the second coder, described digital handset baseband signal processing module is after the decoded signal reduction that will receive under the control of single-chip microcomputer is processed, by earphone output, described communication module is connected electrically on the single-chip microcomputer behind the first coder;
Described radio-frequency module comprises rf chip, SAW (Surface Acoustic Wave) filter, radio-frequency (RF) power amplification chip, temperature complement voltage-control oscillator, fm demodulation chip and antenna, the signal of described baseband module output is sent to through rf chip and exports by antenna after the radio-frequency (RF) power amplification chip carries out power amplification after the compensation of temperature complement voltage-control oscillator error; The signal of described antenna reception transfers to the fm demodulation chip after SAW (Surface Acoustic Wave) filter filtering is by rf chip, described fm demodulation chip is sent to baseband module after to filtered signal frequency modulation.
According to a preferred embodiment of the invention, described rf chip is programmable, it is controlled by three line modes by the single-chip microcomputer of above-mentioned baseband module, and rf chip transceiver mode and working frequency points are arranged.
According to a preferred embodiment of the invention, described single-chip microcomputer is connected the HPI bus and connects with the digital handset baseband signal processing module.
According to a preferred embodiment of the invention, described communication module comprises bluetooth module and GPS module.
According to a preferred embodiment of the invention, described radio-frequency module is modulated to high frequency by transmitting terminal with the baseband signal of 4FSK and exports antenna to after by power amplification; Receiving terminal obtains 4FSK modulation signal after the source baseband modulation by the mode of double conversion, and the 4FSK modulation signal after will modulating is sent to above-mentioned baseband module and carried out the demodulation code.
According to a preferred embodiment of the invention, also comprise the wrist pulse Acquisition Circuit, the signal of described wrist pulse Acquisition Circuit collection transfers to single-chip microcomputer through above-mentioned bluetooth module.
According to a preferred embodiment of the invention, described radio-frequency module adopts clean culture, broadcasting and three kinds of transmission modes of relaying.
According to a preferred embodiment of the invention, described intercom has a key SOS function, and a described key SOS function is transmitted by repeater mode.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention is by baseband module and radio-frequency module, provide good external connecting function by the single-chip microcomputer in the baseband module, and after rf chip and radio-frequency (RF) power amplification chip amplify the signal modulation in the radio-frequency module by antenna transmission, thereby reached the purpose of favorable expandability, long transmission distance.The disclosed intercom of technical solution of the present invention is applicable to wild environment simultaneously, its long transmission distance, band efficiency is high, under the prerequisite that does not increase bandwidth cost, reasonably expanded the function of existing intercom product, collection conversation, pulse monitoring, temperature and humidity measurement, location, the SOS function is, under the SOS pattern, can set up emergency network by a key, make things convenient for the rescue personnel to sue and labour, save missing crew's life.On the other hand, be fit to the rescue and relief work personnel and carry, in time feed back the environment in disaster area and rescue and relief work officers and men's particular location and health.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structured flowchart of the described Multifunctional outdoor intercom of the embodiment of the invention;
Fig. 2 is the structured flowchart of baseband module in the described Multifunctional outdoor intercom of the embodiment of the invention;
Fig. 3 is the structured flowchart of radio-frequency module in the described Multifunctional outdoor intercom of the embodiment of the invention;
Fig. 4 is the described Multifunctional outdoor intercom of embodiment of the invention workflow diagram;
Fig. 5 is the flow chart of the described Multifunctional outdoor intercom of embodiment of the invention option program;
Fig. 6 a and Fig. 6 b are the interweave schematic diagram of transmission means of the character-oriented software of the described Multifunctional outdoor intercom of the embodiment of the invention;
Fig. 7 is the schematic diagram of pulse counting circuit in the described Multifunctional outdoor intercom of the embodiment of the invention;
Fig. 8 is the work schematic diagram of key SOS pattern in the described Multifunctional outdoor intercom of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
A kind of Multifunctional outdoor intercom, comprise keyboard, LCDs, microphone and earphone, baseband module and radio-frequency module, but baseband module and radio-frequency module two-way communication, baseband module comprises single-chip microcomputer, Temperature Humidity Sensor, the digital handset baseband signal processing module, the first coder, the second coder, and communication module, single-chip microcomputer is by bus control figure intercom baseband signal processing module, transmit specific control command word, control simultaneously and read the input of Temperature Humidity Sensor and keyboard, and the result of current operation is being exported on the LCDs; After the voice signal of microphone input is processed by the first coder and digital handset baseband signal processing module coding, being modulated to baseband signal sends by the second coder coding is rear, signal from radio-frequency module transfers to the digital handset baseband signal processing module after the decoding of the second coder, the digital handset baseband signal processing module is after the decoded signal reduction that will receive under the control of single-chip microcomputer is processed, by earphone output, communication module is connected electrically on the single-chip microcomputer behind the first coder;
Radio-frequency module comprises rf chip, SAW (Surface Acoustic Wave) filter, radio-frequency (RF) power amplification chip, temperature complement voltage-control oscillator, fm demodulation chip and antenna, the signal of baseband module output is sent to through rf chip and exports by antenna after the radio-frequency (RF) power amplification chip carries out power amplification after the compensation of temperature complement voltage-control oscillator error; The signal of antenna reception transfers to the fm demodulation chip after SAW (Surface Acoustic Wave) filter filtering is by rf chip, the fm demodulation chip is sent to baseband module after to filtered signal frequency modulation.
Wherein, rf chip is programmable, it is controlled by three line modes by the single-chip microcomputer of baseband module, and rf chip transceiver mode and working frequency points are arranged.Single-chip microcomputer is connected the HPI bus and connects with the digital handset baseband signal processing module.Communication module comprises bluetooth module and GPS module.Radio-frequency module is modulated to high frequency by transmitting terminal with the baseband signal of 4FSK and exports antenna to after by power amplification; Receiving terminal obtains 4FSK modulation signal after the source baseband modulation by the mode of double conversion, and the 4FSK modulation signal after will modulating is sent to above-mentioned baseband module and carried out the demodulation code.The Multifunctional outdoor intercom also connects the wrist pulse Acquisition Circuit, and the signal of wrist pulse Acquisition Circuit collection transfers to single-chip microcomputer through above-mentioned bluetooth module.Radio-frequency module adopts clean culture, broadcasting and three kinds of transmission modes of relaying.Intercom has a key SOS function, and a key SOS function is transmitted by repeater mode.
As shown in Figure 1, a kind of Multifunctional outdoor intercom, comprise baseband module and radio-frequency module, wherein TX1 and TX2 are the modulated signals after raw baseband signal is modulated through 4FSK, its amplitude is different, and the RX signal is the modulated signal of the source that receives, and control signal is used for single-chip microcomputer to the programming Control of radio-frequency (RF) receiving and transmission module, its operating state comprises radio-frequency transmissions state, radio frequency reception state and holding state, and this basic work requirement with baseband module is consistent.
As shown in Figure 2, single-chip microcomputer in the baseband module is the C8051F120 of Silicon company, the digital handset baseband signal processing module, hereinafter referred is baseband signal processing module, baseband signal processing module is the SCT3252 of Sicomm company, the codec chip of the first coder and the second coder is the WM8758B of Wolfson company, and that Temperature Humidity Sensor adopts is the SHT10 of Sensirion company.Single-chip microcomputer by the HPI bus, transmits specific control command word to the control of baseband signal processing module, the input of controlling simultaneously and reading Temperature Humidity Sensor and keyboard, and the result of current operation exported in LCDs.Utilize the powerful encoding and decoding speech function of codec chip and baseband signal processing module, from the voice signal of microphone input through the advanced multi-band excitation of AMBE() after coding processed, finally all input signals were modulated to the baseband signal of 4FSK.Vice versa, 4FSK modulated baseband signal after baseband module reduces from the radio-frequency module frequency discrimination from the acquisition of RX end, carry out frame reduction processing through sending into baseband signal processing module after the demodulation of 4FSK first, put into the buffering area buffer memory for the signal of data type, for being reduced into analog signal through the codec chip from loudspeaker or the output of earphone mouth after the signal demand AMBE decoding of sound-type.
As shown in Figure 3, rf chip is the SRT3500 of Sicomm company, and the fm demodulation chip is the SRT3300 of Sicomm company, and the radio-frequency (RF) power amplification chip is the SRT3602 of Sicomm company equally.Wherein, rf chip is programmable, it is controlled by three line modes by the single-chip microcomputer of baseband module, and the programming Control content mainly comprises: the setting of transceiver mode and working frequency points.For sending mode, what radio-frequency module adopted is 2 modulation systems, namely send into the temperature complement voltage-control oscillator of chip internal from the TX1 signal of baseband module output, the temperature complement voltage-control oscillator is sent into as the error compensation input of phase discriminator from the TX2 signal of baseband module output in another road, obtain radiofrequency signal after the frequency multiplication after phase-locked loop is stable and send into the radio-frequency (RF) power amplification chip and carry out after the power amplification by antenna output, the rf frequency that present embodiment adopts is 446MHz.For receiving mode, adopt rf chip with the intermediate-freuqncy signal of the poor 21.7MHz of going out of radiofrequency signal, through sending into again the second intermediate-freuqncy signal of the poor 450KHz of getting of fm demodulation chip behind the intermediate frequency filtering, last frequency discrimination obtains required baseband signal.
As shown in Figure 4, single-chip microcomputer will load to baseband signal processing module first the bootloader of 1K byte, receive initialized configuration effort by the HPI bus to baseband signal processing module thereupon, then dispose the mode of operation of rf chip, make it to be operated in listen mode.Enter afterwards main program, main program mainly checks reception data buffer and keyboard flag bit, if receive Frame in the reception data buffer, judge data type (speech data, sensing data according to its frame head, postamble designation data or emergency data) and enter corresponding processing function and be further processed, if emergency data frame head, then the machine enters repeater mode, being about to the follow-up data of receiving intactly transmits, until receive the frame that emergency data finishes, then return normal mode of operation, return main program; If current in the reception buffer zone do not have a Frame, then enter next step, check the keyboard flag bit, process corresponding event according to the key assignments that keyboard scan is returned, so circulation.As shown in Figure 5, automatically operate in listen mode after the start, automatically enter speech pattern if receive voice call request, if receive that finishing voice call request then interrupts the current speech link, then automatically show the humiture data that remote terminal sends, GPS locator data if receive data call request.
As shown in Figure 5, employing be the matrix keyboard of 4*4 size, according to its scanning after different key assignments enter corresponding event.Comprise audio call (Voicecall), data call (Datacommunication2), end of calling (CallEnd), measure humiture, sleep pattern, the GPS station-keeping mode, pulse monitoring pattern and a key SOS pattern be totally 8 kinds of events, and the workflow of every kind of event as shown in Figure 5.
Audio call: the basic function of intercom, initiate voice call request to matching terminal, the PTT button in the similar analog-interphone, but by once conversing, do not need long by; Audio call has clean culture and two kinds of patterns of broadcasting, and unicast mode needs matching unit ID, and broadcast mode does not need matching unit ID.
Data call: the numerical data that sends the data buffer zone can be sent transmission Atmosphere And Humidity degrees of data, the Pulse Rate of current longitude and latitude and human body per minute; Similarly, data call also has dividing of clean culture and broadcast mode.
End of calling: indicating call finishes, and interrupts this session, and similar analog-interphone breaks the operation of PTT button;
Measure humiture: single-chip microcomputer sends acquisition instructions to Temperature Humidity Sensor, obtains the Atmosphere temp.and RH value under the current environment;
Sleep pattern: switch the operating state of embodiment, enter low power consumpting state, until manually wake up;
The GPS station-keeping mode: single-chip microcomputer obtains the current location information of GPS module, and instant playback.
The pulse monitoring pattern: single-chip microcomputer obtains the Pulse Rate of per minute and instant playback by bluetooth module.
One key SOS pattern: remeasure humiture, geographical position and Pulse Rate, add the emergency data frame head and by radio-frequency module packet is intactly sent.All receive that the intercom equipment of emergency data frame head automatically enters repeater mode and transmits this data.
For accuracy and the error free transmission that guarantees data content, the CRC check of the bottom data that provides except the baseband processing chip of baseband signal processing module, in the software to having added especially the character-oriented soft transfer function that interweaves in the data transmission procedure, interweaving of its soft non-bottom bit that interweaves, but character-oriented interweaving, this scheme is easy and simple to handle, its working method is shown in Fig. 6 a and Fig. 6 b, continuous transverse sends the identical data content of 5 frames (such as " 12345 ") when namely sending, from data buffer area, vertically extract during reception, extract the content of each data in the number transmission character according to the large principle of probability of occurrence, abandon idle character (representing with * among Fig. 6), utilize the mode of the above-mentioned soft transmission that interweaves, even exist and also can reduce as much as possible original data content in the situation of a small amount of frame losing or bad frame, improved accuracy and the reliability of the present invention's transfer of data under more abominable communication environment.
As shown in Figure 7, this circuit by bluetooth as communication medium, what the data acquisition end was used is that piezoelectric ceramic piece is as transducer, back-end circuit is amplification, shaping and the filter circuit of signal, and counting and bluetooth module, circuit production makes things convenient for the user to carry in special wrister, the 1 minute last look by bluetooth transmission start-stop counter in every interval, and the receiving terminal of data is integrated in the baseband module.
Fig. 8 is the work schematic diagram of a key SOS pattern.After certain calls for help node transmission SOS calling for help Frame, neighbor node in its broadcast domain becomes via node automatically, transmit it and call for help parameter, mainly comprise (Atmosphere temp.and RH, human pulse number and GPS positional information), through which floor relaying, final data arrives at emergent monitored base stations, and this link will be recorded and keep always, is cancelled until call for help the calling for help request of node.
Baseband module adopts single-chip microcomputer and baseband signal processing module to form, be responsible for the integrated scheduling of external interface and system resource by single-chip microcomputer, baseband signal processing module is controlled by single-chip microcomputer, can finish encoding and decoding speech, compression and the functions such as baseband modulation and demodulation, and the two links to each other by the HPI bus.
For the external interface of baseband module, the multichannel external input signal is arranged.The first via is voice signal, is encoded, is compressed by the digital handset special chip after processing via the codec chip; The second the tunnel is sensor signal, because the output of Temperature Humidity Sensor is serial data, single-chip microcomputer can directly read and process its data; Third Road is gps signal, and constantly to single-chip microcomputer issue locating information, its numerical value is regularly inquired about and processed to single-chip microcomputer to the GPS module; The four the tunnel is the pulse counting signal from bluetooth module, by serial ports numerical value is sent into single-chip microcomputer equally and processes; At last, the voice signal behind the coding and each circuit-switched data signal are all sent into radio-frequency module by minute two-way TX1 and TX2 after the 4FSK modulation;
Radio-frequency module is comprised of rf chip, fm demodulation chip and high frequency power amplification chip.The mode that adopts 2 modulation at transmitting terminal is modulated to high frequency with the baseband signal of 4FSK and exports antenna to after by power amplification; Receiving terminal obtains 4FSK modulation signal after the source baseband modulation by the mode of double conversion, send back to baseband module and carry out the demodulation code, single-chip microcomputer is judged data type according to the data frame head, and the voice signal after the decoding reduction is by loudspeaker or ear port output the most at last, and humiture information, GPS position and sphygmometer numerical value that the distance sensor after the reduction is obtained are in the liquid crystal display screen display.
Under repeater mode, finish the data retransmission function, namely radio-frequency module is sent into baseband module after with the primary signal demodulation that receives, and baseband module does not add any processing and sends into radio-frequency module again and send.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. Multifunctional outdoor intercom, comprise keyboard, LCDs, microphone and earphone, it is characterized in that, also comprise baseband module and radio-frequency module, but described baseband module and radio-frequency module two-way communication, described baseband module comprises single-chip microcomputer, Temperature Humidity Sensor, the digital handset baseband signal processing module, the first coder, the second coder, and communication module, described single-chip microcomputer is by bus control figure intercom baseband signal processing module, transmit specific control command word, control simultaneously and read the input of Temperature Humidity Sensor and keyboard, and the result of current operation is being exported on the LCDs; After the voice signal of described microphone input is processed by the first coder and digital handset baseband signal processing module coding, being modulated to baseband signal sends by the second coder coding is rear, signal from radio-frequency module transfers to the digital handset baseband signal processing module after the decoding of the second coder, described digital handset baseband signal processing module is after the decoded signal reduction that will receive under the control of single-chip microcomputer is processed, by earphone output, described communication module is connected electrically on the single-chip microcomputer behind the first coder;
Described radio-frequency module comprises rf chip, SAW (Surface Acoustic Wave) filter, radio-frequency (RF) power amplification chip, temperature complement voltage-control oscillator, fm demodulation chip and antenna, the signal of described baseband module output is sent to through rf chip and exports by antenna after the radio-frequency (RF) power amplification chip carries out power amplification after the compensation of temperature complement voltage-control oscillator error; The signal of described antenna reception transfers to the fm demodulation chip after SAW (Surface Acoustic Wave) filter filtering is by rf chip, described fm demodulation chip is sent to baseband module after to filtered signal frequency modulation.
2. Multifunctional outdoor intercom according to claim 1, it is characterized in that, described rf chip is programmable, it is controlled by three line modes by the single-chip microcomputer of above-mentioned baseband module, and rf chip transceiver mode and working frequency points are arranged.
3. Multifunctional outdoor intercom according to claim 1 and 2 is characterized in that, described single-chip microcomputer is connected the HPI bus and connects with the digital handset baseband signal processing module.
4. Multifunctional outdoor intercom according to claim 3 is characterized in that, described communication module comprises bluetooth module and GPS module.
5. Multifunctional outdoor intercom according to claim 3 is characterized in that, described radio-frequency module is modulated to high frequency by transmitting terminal with the baseband signal of 4FSK and exports antenna to after by power amplification; Receiving terminal obtains 4FSK modulation signal after the source baseband modulation by the mode of double conversion, and the 4FSK modulation signal after will modulating is sent to above-mentioned baseband module and carried out the demodulation code.
6. Multifunctional outdoor intercom according to claim 4 is characterized in that, also comprises the wrist pulse Acquisition Circuit, and the signal of described wrist pulse Acquisition Circuit collection transfers to single-chip microcomputer through above-mentioned bluetooth module.
7. Multifunctional outdoor intercom according to claim 4 is characterized in that, described radio-frequency module adopts clean culture, broadcasting and three kinds of transmission modes of relaying.
8. Multifunctional outdoor intercom according to claim 4 is characterized in that, described intercom has a key SOS function, and a described key SOS function is transmitted by repeater mode.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103859677A (en) * | 2014-01-01 | 2014-06-18 | 钱启林 | Interphone traveling cap |
| CN103944600A (en) * | 2014-04-18 | 2014-07-23 | 天津七一二通信广播有限公司 | Terminal based on ISM communication frequency band |
| CN106330233A (en) * | 2016-08-16 | 2017-01-11 | 北京天狼讯业信息技术有限公司 | Intelligent wireless communication terminal |
| CN106685457A (en) * | 2016-08-29 | 2017-05-17 | 苏州倍声声学技术有限公司 | Walkie talkie long in transmission distance |
| CN108279427A (en) * | 2018-02-08 | 2018-07-13 | 福建省万华电子科技有限公司 | A kind of multistage positioning system and its localization method for intercom |
| CN110380753A (en) * | 2019-07-05 | 2019-10-25 | 浙江大华技术股份有限公司 | A kind of intercom and intercom system |
| CN110867064A (en) * | 2019-12-13 | 2020-03-06 | 苏州华芯微电子股份有限公司 | Remote controller and protection system |
| CN111083806A (en) * | 2018-10-18 | 2020-04-28 | 力同科技股份有限公司 | Method and device for realizing data transmission based on DMR standard |
| CN111343517A (en) * | 2018-12-19 | 2020-06-26 | 成都鼎桥通信技术有限公司 | Communication method and device of intercom equipment |
| CN113747322A (en) * | 2021-09-02 | 2021-12-03 | 声佗医疗科技（上海）有限公司 | Pickup, communication device and communication equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854936Y (en) * | 2005-11-29 | 2007-01-03 | 李铁顺 | Gas monitoring intercom |
| CN101524271A (en) * | 2009-04-01 | 2009-09-09 | 成都途筏达科技有限公司 | Electrocardio cellphone monitoring method without base station or satellite signal |
| CN101616499A (en) * | 2008-06-24 | 2009-12-30 | 英华达股份有限公司 | Wireless communication device and method of operation thereof |
| CN102421036A (en) * | 2011-11-24 | 2012-04-18 | 厦门市普星电子科技有限公司 | Digital interphone |
-
2013
- 2013-01-18 CN CN2013100204998A patent/CN103079118A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854936Y (en) * | 2005-11-29 | 2007-01-03 | 李铁顺 | Gas monitoring intercom |
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Application publication date: 20130501 |