CN2636549Y - Indoor apparatus of storied building talk back and information system - Google Patents
Indoor apparatus of storied building talk back and information system Download PDFInfo
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- CN2636549Y CN2636549Y CN 03273413 CN03273413U CN2636549Y CN 2636549 Y CN2636549 Y CN 2636549Y CN 03273413 CN03273413 CN 03273413 CN 03273413 U CN03273413 U CN 03273413U CN 2636549 Y CN2636549 Y CN 2636549Y
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Abstract
The utility model relates to a building dialogue system device, in particular to an indoor interphone device of a building dialogue system suitable for families, office buildings and warehouses, etc. The circuit components comprises a central processing unit, a power supply circuit, a talking circuit, a control circuit, a decoding circuit, a DTMF generating circuit and a voice circuit, etc. The double-audio multi-frequency DTMF signal, the video signal, and the message information input by a gate interphone or a management interphone are respectively decoded, the CPU gathers and controls an audio frequency circuit and a ringing circuit, a display module works, and the unlocking signal, the calling signal and the alarm signal, etc. of the indoor interphone are output through the CPU, the DTMF generating circuit and an audio frequency transmission circuit. The utility model adopts the single-chip microcomputer composed of the central processing unit as the central control unit of the system, the double-audio multi-frequency DTMF signal transmission way is adopted, and a software programming is combined, and the system function is enriched, therefore conforming to the development direction of intellectualization and cyberization of electrical appliances in the future. The utility model can be freely combined according to the need and the possibility, and is widely applied to the building dialogue system of families, shopping malls, office buildings, etc.
Description
Technical field
The utility model relates to the building conversational system device, particularly relates to a kind of indoor set device that is applicable to place building conversational systems such as household, office building, warehouse.
Background technology
Development and the demand of people along with the building construction to living safety and normally associating, the building conversational system technology is also in constantly development and perfect, use more ordinary telephone set formula intercom system, mainly comprise doorway machine and indoor set, equipment is simple, function singleness, its groundwork mode is: when the people downstairs calls out certain resident family by doorway machine, the indoor set ringing of resident family has the people visiting, and resident family receives calls, so that whether decision accepts the visitor.The sound discrimination visitor that this working method is mainly transmitted by phone easily causes erroneous judgement or is difficult to identification, causes unnecessary misunderstanding.For this reason, developed speaker alarm system, visible dialogue system or the like, for example: " the multifunctional household visual alarm system " patented technology (application number 94100458.9) that announce July 26 nineteen ninety-five, provide a kind of by video and infrared night vision circuit, automatic control circuit and entryphone, high-resolution automatic diaphragm lens and high-resolution black and white, colored surveillance, harmony, light, the a kind of of electricity principle combination has a man-hour indoor, the artificial doorbell sound that passes through, make indoor people clearly see outdoor trend from monitor screen, when unexpected situation, accurately report to the police and require assistance, indoor nobody the time automatically monitor by doorbell sound and at any time automatically with outdoor trend recording under, utilize a kind of highly sensitive automatic/hand video intercom warning system that computer stores accurately provides visiting information.Also just like Chinese patent ZL99209117.9 disclosed " CPU building talkback automatic switch-board ", open the door though set up inside and outside two-way password, can call out indoor set and realize that indoor set converses each other, have the function of automatic switch-board.These technology are very easy to the user of intercom system, but still mainly are confined to resident family and visitor's information communication, and equipment is not easy to expanded function, and it is convenient inadequately to safeguard.Along with the development of Property Management of residence and perfect; the bidirectional information of resident family, visitor, estate management or other management organizations is linked up also need be progressively perfect; issue the information such as notice, demand note of cutting off the water and electricity supply such as estate management; be posted in announcement board; regular meeting hurries because of resident family or does not notice that information is not in place.As sending from house to house, can increase the workload of estate management, information situation not in place can appear in particularly large-scale property unavoidably.
Above-mentioned prior art can not provide the information communication that effectively takes into account resident family, visitor, estate management center because of various reasons, brings into play the effect at estate management center to greatest extent." building visual is to the information delivery apparatus of making peace " (application number 01255201.1) that the applicant applies for August calendar year 2001, " doorway machine of building talkback and information issuing system " (application number 01255203.8), " supervisor of building talkback and information issuing system " Chinese patents such as (application numbers 01255204.6) are open in August, 2002, and this technology efficiently solves the problems referred to above.Present patent application is to realize the indoor set part of this building talkback and information delivery apparatus function.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art part, and a kind of building talkback of the information communication that can effectively take into account resident family, visitor, estate management center and the indoor set of information issuing system are provided.
That constructs for achieving the above object is a kind of according to the building talkback of the utility model formation and the indoor set of information system, comprise support and control panel thereof, microphone, loud speaker, power supply, functional circuit, described functional circuit comprises central processor CPU and the voicefrequency circuit that is electrically connected with it thereof, ringing circuit, address encoding circuit, the unlocking signal circuit, by central processor CPU and related chip, module, electronic devices and components are electrically connected and form, it is characterized in that described functional circuit also comprises DTMF touch-tone signal transtation mission circuit U3 and the DTMF decoding circuit U2 that is electrically connected with central processor CPU, doorway machine or supervisor signal are divided into two the tunnel through the voice and the DTMF touch-tone signal of decoder input, one the tunnel decodes the switching circuit that instruction transfers to central processor CPU control through DTMF touch-tone signal decoding circuit U2 makes voicefrequency circuit, ringing circuit work, another road is respectively through triode Q1, audio transmission circuit U10 realizes communication function to microphone;
Described unlocking signal circuit comprises unlock button S2, power supply, central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit, unlock button one end is connected with power supply with central processor CPU, other end ground connection, central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit are linked in sequence, when unlock button is closed, unlocking signal respectively by central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit, triode Q1 sequential delivery to the indoor set signaling interface.
According to the building talkback of the utility model formation and the indoor set of information system, the switching circuit that it is characterized in that the control of described central processor CPU is made up of triode Q1, Q2 and triode Q3, Q4, Q5, the base stage of Q2, Q3 is connected with central processor CPU respectively, controls Q1, ringing circuit U5 respectively and is electrically connected the work of Q4, Q5, ring BELL by Q2, Q3.
According to the building talkback of the utility model formation and the indoor set of information system, it is characterized in that described functional circuit also comprises address encoding circuit, the employing heuristicimal code is set up address code, is electrically connected with central processor CPU by several floor code switch S5 and room number code switch S6 to form.
According to the building talkback of the utility model formation and the indoor set of information system, it is characterized in that described functional circuit also comprises image displaying circuit, the vision signal VD+ of doorway machine or supervisor, VD-are connected with display module DISPLAY-MODEL, the switching circuit control image display DISPLAY-MODEL work of central processor CPU control.
According to the building talkback of the utility model formation and the indoor set of information system, the switching circuit that it is characterized in that described central processor CPU control is made up of triode Q10, Q6, the Q10 base stage is connected with central processor CPU, Q10 emitter, collector electrode are electrically connected with ground, Q6 base stage respectively, and Q6 emitter, collector electrode are electrically connected with power supply, image displaying circuit respectively.
According to the building talkback of the utility model formation and the indoor set of information system, it is characterized in that described functional circuit comprises the supervisory signal circuit, by monitoring key S4, power supply, central processor CPU, monitoring key S4 one end is connected with power supply with central processor CPU, other end ground connection, central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit are linked in sequence, when monitoring key S4 is closed, central processor CPU is gathered this signal, control triode Q10, Q6, power turn-on make display module DISPLAY-MODEL work.
According to the building talkback of the utility model formation and the indoor set of information system, it is characterized in that described functional circuit comprises the call signal circuit, circuit, by call button S3, alarm button S7, power supply, central processor CPU, DTMF touch-tone signal transtation mission circuit U3, audio transmission circuit is electrically connected and forms, call button, alarm button one end is connected with power supply with central processor CPU, other end ground connection, central processor CPU, DTMF touch-tone signal transtation mission circuit U3, audio transmission circuit is linked in sequence, when call button or alarm button were closed, call signal or alarm signal were respectively by central processor CPU, DTMF touch-tone signal transtation mission circuit U3, audio transmission circuit, triode Q1 sequential delivery is to the indoor set signaling interface.
According to the building talkback of the utility model formation and the indoor set of information system, it is characterized in that described functional circuit comprise that the line is busy prompting, leaving message prompt circuit, be electrically connected with central processor CPU respectively by power supply and busy lamp diode D1, message indicator light diode D2, when indoor set conversation is used or when message information is arranged, the end of the busy lamp diode D1 that is electrically connected with central processor CPU, message indicator light diode D2 is in electronegative potential, makes indicator light luminous.
The indoor set of specific implementation building talkback provided by the utility model and information system, can be according to the need and possibility in the interface expanded function of indoor set central processing unit, to realize optimum efficiency or to satisfy particular demands.The utility model compared with prior art has the following advantages and beneficial effect:
1. characteristics such as employing China programme-controlled exchange standard DTMF touch-tone signal transmission system control command has long transmission distance, anti-interference strong, and connection device quantity and kind are all more;
2. employing modularized design, multiple function is selective, and expands simple, easy to maintenance;
3. can be with dynamically being reflected in exactly on the display screen of indoor set before the doorway machine;
4. this indoor set can as required and connect a plurality of indoor units.
Description of drawings
Fig. 1 is the utility model building talkback and information system structured flowchart;
Fig. 1 is the indoor set one circuit structure block diagram of the utility model building talkback and information system;
Fig. 3 is the indoor set one specific embodiment circuit diagram of the utility model building talkback and information system.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Referring to Fig. 1 the utility model building talkback and information system structured flowchart, this system can (be fit to little in the building management center, in, big various cell type or villa district) supervisor is set, one or two central computers (PC) and centrally connected power source, with some indoor set (1-1-1,1-2-1---, n-n-1---), some decoder (1-1,1-2,---n-n), some doorway machine (1,2,---, n) networking, include the intercommunication voicefrequency circuit, video circuit, the liquid crystal dot matrix display circuit, warning circuit, surveillance and gate control system adopt the communication of RS-485 data/address bus system.Doorway machine is arranged on the doorway of each unit, it is indoor that indoor set is arranged on each resident family, include loud speaker, intercommunication microphone and display screen, and infrared night vision circuit detecting head, the high-resolution aperture camera lens of doorway machine setting, high-resolution black and white or colored monitoring arrangement, peripheral facilities such as entrance guard device and electric lock.Every configurable some decoders of doorway machine, every configurable 1 to 8 indoor set extension set of decoder.Each equipment links to each other with data/address bus by the data transmit-receive circuit separately, realizes communicating with each other of supervisor, indoor set and doorway machine; PC is used for the situation before the real-time on-site monitoring doorway machine, and stored sound and image information, and every PC can show 16 width of cloth dynamic image datas simultaneously, as the image of need setting more than 16 width of cloth, must set up PC.Implement to detect and control by control circuit, decoder is decoded.The central processing unit of each equipment adopts single-chip microcomputer; Circuit adopts modularized design more, forms integral system.
By above-mentioned interconnection device, administrative center can issue various public informations to each resident family at any time, for example, the information of cutting off the water and electricity supply, resident family's relevant information issue etc., to finish multiple information service, this is to utilize on the existing equipment facility basis, do not increase any hardware cost, with regard to attainable function.Promptly when administrative center will issue public information, administrative center's PC sends the message signal on bus, after the CPU of decoder receives information, control called resident family MWI and open, in resident family goes back home, see and press pick-up key when leaving message prompt is arranged, decoder sends the instruction fetch data to data/address bus, after administrative center's PC receives instruction, by TV card, sound card public information is sent to resident family, promptly message, the issue of sub-district public information are one of key properties of this device.And the alarm circuit tool is anti-cuts function, but automatic telephone is reported to the police.
Indoor set one routine circuit structure block diagram referring to Fig. 2 the utility model building talkback and information system, this indoor set comprises that central processing unit CPU, audio frequency and ringing circuit and control circuit thereof, DTM decoding circuit, DTMF transtation mission circuit, address code are provided with circuit, image shows module control circuit etc., transmit by DTMF (dual toned circuit), Single-chip Controlling, wherein in the central processing unit CPU according to the program software of function needs typing independent development, therefore, this indoor set function is by system hardware circuit and the common realization of software.
DTMF (Dual Tone Multi Frequency) touch-tone signal decoding circuit is the integrated circuit of extensive use in push-button phone (landline telephone, mobile phone), stored-program control exchange and Wireless Telecom Equipment at present.Touch-tone signal is one group of composite signal that is formed by stacking by high-frequency signal and low frequency signal, it comprises DTMF transmitter and DTMF recipient, the former is mainly used in push-button phone and makes the double-audio signal transmitter, sends one group of touch-tone signal, thereby realizes voice-frequency dialing.
The major function of central control circuit is the control signal that receives DTMF decoded signal and controlled plant, and voice and control signal are carried out addressing operation.Dual tone multi-frequency dtmf signal, vision signal, message information to the input of doorway machine or supervisor decodes respectively, after CPU gathers, signals such as control audio circuit, video circuit work, indoor set are unblanked, called out, warning through CPU, DTMF circuit takes place, audio transmission circuit exports relevant device to.When indoor set conversation is used or when message information is arranged, the end of the busy lamp diode D1 that is electrically connected with central processor CPU, message indicator light diode D2 is in electronegative potential, makes indicator light luminous, gives the user to point out.
Indoor set one specific embodiment circuit diagram referring to Fig. 3 the utility model building talkback and information system, this indoor set is mainly by the DTMF decoding circuit, address code is provided with circuit, the DTMF transtation mission circuit, audio transmission circuit, ringing circuit, the little processing center circuit control of emergency alarm button circuit and CPU, image shows compositions such as module control circuit.Each circuit composition and working method are as follows:
DTMF decoding circuit: transmit dtmf signal by doorway machine or supervisor, through difference channel to U2 (HT9170) 2,3 pin enter decoding circuit decode become binary command after, by CPU U1 (8052) acquisition process, the conducting that little processing center recognition instruction output control corresponding level comes control circuit.
Address code is provided with circuit: be the indoor set of difference different user, the number at each family is all inequality, has all utilized heuristicimal code to set up address code in little processing at each family, and S5 is the floor number, S6 is a room number, the address is set has used binary-coded decimal setting.
DTMF sends and control circuit: single-chip microcomputer can only the recognition machine sign indicating number, and transmission circuit is use the DTMF transfer instruction, and for the CPU that makes doorway machine can recognition instruction, indoor set converts machine code to DTMF and is transferred to doorway machine and realizes instructing and reach an agreement.Binary command is input to U3 (HT92COA) 5,6 pin from 16, the 17 pin transmission of U1, is transferred on the doorway machine from 7 pin output dtmf signal.
Ringing circuit: when doorway machine was called out indoor set, instruction was sent on decoder U2 (HT9170) 2,3 pin of indoor set by dtmf signal, converted binary command to from the output of 11,12,13,14 pin and gave CPU (U1) 2,3,4,5 pin.Make triode Q3 conducting by U1 output control corresponding level again, the 5V power supply is input on 1,8 pin of U5 (0302), make U5 (0302) ding-dong circuit working, the audio signal that produces is through the amplification of triode Q4 and the promotion of Q5, signal is sent to through take-up button S1 on the loud speaker of handle produces ding-dong sound, thereby realize the ring response.
Audio transmission circuit: when doorway machine is called out indoor set, after producing " ding-dong " sound, the indoor set off-hook makes the switch of take-up button S1, get on the SPK for one group, get to ground wire for one group, this group of getting to ground wire produces 26 pin that low level is given CPU (U1), CPU receives that low level instruction back is from 12 pin output control corresponding level, make the Q2 conducting, simultaneously also make the base voltage of Q1 drag down also conducting, the audio signal DTMF that allows doorway machine produce is transferred on 1 pin of U10 (1062), exports from 4 pin through the amplification of U10 (1062) to be transferred to the loud speaker of handle (microphone) HAND-SEND; Indoor set end audio signal MIC through amplifying the back from the output of 1 pin, is transferred to doorway machine through Q1 from 6, the 7 pin input of U10 (1062).Thereby realize the normal communication of indoor set and doorway machine or supervisor.
Emergency alarm button circuit: S7 is the emergency alarm button circuit, and under normal circumstances, the voltage of receiving the CPU25 pin is high level, in case of emergency, press the button and make switch ground connection, level is given dragged down, CPU receives low level instruction back output order, thereby realizes warning function.
Image shows the module control circuit: the display module DISPLAY-MODEL of vision signal VD+, VD-input indoor set, when doorway machine is called out indoor set, call instruction makes CPU (U1) from 13 pin output control corresponding level, thereby make triode Q10 conducting make triode Q6 conducting, the 18V power supply is given through triode Q6 shown the module power supply, make to show module operate as normal display image.
The little processing center circuit of CPU: it all is to be controlled by CPU that the circuit of whole indoor set is realized, diode D1 is a busy lamp, and diode D2 is a MWI, is using when central other user, 11 pin of CPU are exported corresponding level lights the D1 lamp, thereby reminds indoor set to be in the engaged condition; There is message-leaving function in system, when calling party and during the ring unanswered, the visitor can leave a message to the user with doorway machine or supervisor, the 10 pin output control corresponding level of CPU is lighted MWI, and remind the user once the someone visit, when the user wins indoor set by pick-up key, can listen visitor's message.
Indoor set unblank (LOCK), call out (CALL), monitor (MONITOR) function.S2, S3, three buttons of S4 are respectively LOCK (unblanking), CALL (calling), MONITOR (supervision), when pressing unlock key S2, the 6 pin current potentials of CPU are dragged down, the CPU output order is given doorway machine, thereby make doorway machine make corresponding action, the electric control lock of doorway machine is opened.When pressing monitoring key S4, the 7 pin current potentials of CPU drag down, and CPU makes triode Q10, Q6 conducting from 13 pin output control corresponding level, opens the demonstration module.When pressing calling S3 key, the 8 pin current potentials of CPU drag down, and the CPU output order sends on the supervisor, realizes call function.
The utility model does not limit above-mentioned instantiation; for example can carry out the function expansion to input, the output interface of indoor set central processing unit; can also be according to the need and possibility; the doorway machine of building talkback and information issuing system, supervisor, decoder etc. are carried out various combination; therefore; multiple embodiment can be arranged, be protection range of the present utility model.
Claims (9)
1. the indoor set of building talkback and information system, comprise support and control panel thereof, microphone, loud speaker, power supply, functional circuit, described functional circuit comprises central processor CPU and the voicefrequency circuit, ringing circuit, address encoding circuit, the unlocking signal circuit that are electrically connected with it, be electrically connected with related chip, module, electronic devices and components by central processor CPU and form, it is characterized in that:
Described functional circuit also comprises DTMF touch-tone signal transtation mission circuit U3 and the DTMF decoding circuit U2 that is electrically connected with central processor CPU, doorway machine or supervisor signal are divided into two the tunnel through the voice and the DTMF touch-tone signal of decoder input by the indoor set signaling interface, one the tunnel decodes the switching circuit that instruction transfers to central processor CPU control through DTMF touch-tone signal decoding circuit U2 makes voicefrequency circuit, ringing circuit work, another road respectively through triode Q1, audio transmission circuit U10 to microphone, realize communication function;
Described unlocking signal circuit comprises unlock button S2, power supply, central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit, unlock button one end is connected with power supply with central processor CPU, other end ground connection, central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit are linked in sequence, when unlock button is closed, unlocking signal respectively by central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit, triode Q1 sequential delivery to the indoor set signaling interface.
2. the indoor set of building talkback according to claim 1 and information system, the switching circuit that it is characterized in that the control of described central processor CPU is made up of triode Q1, Q2 and triode Q3, Q4, Q5, the base stage of Q2, Q3 is connected with central processor CPU respectively, controls Q1, ringing circuit U5 respectively and is electrically connected the work of Q4, Q5, ring BELL by Q2, Q3.
3. the indoor set of building talkback according to claim 1 and information system, it is characterized in that described functional circuit comprises address encoding circuit, the employing heuristicimal code is set up address code, is electrically connected with central processor CPU by several floor code switch S5 and room number code switch S6 to form.
4. the indoor set of building talkback according to claim 1 and information system, it is characterized in that described functional circuit also comprises image displaying circuit, the vision signal VD+ of doorway machine or supervisor, VD--are connected with display module DISPLAY-MODEL, the switching circuit control image display DISPLAY-MODEL work of central processor CPU control.
5. the indoor set of building talkback according to claim 4 and information system, the switching circuit that it is characterized in that described central processor CPU control is made up of triode Q10, Q6, the Q10 base stage is connected with central processor CPU, Q10 emitter, collector electrode are electrically connected with ground, Q6 base stage respectively, and Q6 emitter, collector electrode are electrically connected with power supply, image displaying circuit respectively.
6. the indoor set of building talkback according to claim 5 and information system, it is characterized in that described functional circuit comprises the supervisory signal circuit, by monitoring key S4, power supply, central processor CPU, monitoring key S4 one end is connected with power supply with central processor CPU, other end ground connection, central processor CPU, DTMF touch-tone signal transtation mission circuit, audio transmission circuit are linked in sequence, when monitoring key S4 is closed, central processor CPU is gathered this signal, control triode Q10, Q6, power turn-on make display module DISPLAY-MODEL work.
7. according to the indoor set of each described building talkback and information system in the claim 1 to 6, it is characterized in that described functional circuit comprises the call signal circuit, circuit, by call button S3, alarm button S7, power supply, central processor CPU, DTMF touch-tone signal transtation mission circuit U3, audio transmission circuit is electrically connected and forms, call button, alarm button one end is connected with power supply with central processor CPU, other end ground connection, central processor CPU, DTMF touch-tone signal transtation mission circuit U3, audio transmission circuit is linked in sequence, when call button or alarm button were closed, call signal or alarm signal were respectively by central processor CPU, DTMF touch-tone signal transtation mission circuit U3, audio transmission circuit, triode Q1 sequential delivery is to the indoor set signaling interface.
8. according to the indoor set of each described building talkback and information system in the claim 1 to 6, it is characterized in that described functional circuit comprise that the line is busy prompting, leaving message prompt circuit, be electrically connected with central processor CPU respectively by power supply and busy lamp diode D1, message indicator light diode D2, when indoor set conversation is used or when message information is arranged, the end of the busy lamp diode D1 that is electrically connected with central processor CPU, message indicator light diode D2 is in electronegative potential, makes indicator light luminous.
9. the indoor set of building talkback according to claim 7 and information system, it is characterized in that described functional circuit comprise that the line is busy prompting, leaving message prompt circuit, be electrically connected with central processor CPU respectively by power supply and busy lamp diode D1, message indicator light diode D2, when indoor set conversation is used or when message information is arranged, the end of the busy lamp diode D1 that is electrically connected with central processor CPU, message indicator light diode D2 is in electronegative potential, makes indicator light luminous.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03273413 CN2636549Y (en) | 2003-08-14 | 2003-08-14 | Indoor apparatus of storied building talk back and information system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03273413 CN2636549Y (en) | 2003-08-14 | 2003-08-14 | Indoor apparatus of storied building talk back and information system |
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| CN2636549Y true CN2636549Y (en) | 2004-08-25 |
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| CN 03273413 Expired - Fee Related CN2636549Y (en) | 2003-08-14 | 2003-08-14 | Indoor apparatus of storied building talk back and information system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424001C (en) * | 2005-10-03 | 2008-10-08 | 深圳市来吉智能科技有限公司 | Intelligent lift managing system |
| CN1791160B (en) * | 2004-12-15 | 2011-04-13 | 松下电工株式会社 | Interphone system of collective residence |
| CN102118609A (en) * | 2011-02-28 | 2011-07-06 | 深圳市泛海三江电子有限公司 | Building visual intercom system |
| CN102547240A (en) * | 2011-12-30 | 2012-07-04 | 福建省冠林科技有限公司 | Visible talk back equipment used by crowds with hearing loss |
| CN104581044A (en) * | 2014-12-03 | 2015-04-29 | 上海伟视清数字技术有限公司 | Information pushing system and method based on building interphone |
| CN105743977A (en) * | 2016-01-28 | 2016-07-06 | 深圳市松本先天下科技发展有限公司 | Wide area Internet of things entrance machine |
| CN107786831A (en) * | 2016-08-29 | 2018-03-09 | 罗杰 | The integrated circuit of video speech electric bell |
| CN110536107A (en) * | 2018-05-25 | 2019-12-03 | 珠海市京澳特电子有限公司 | The method and device of setting room number based on building conversational system |
-
2003
- 2003-08-14 CN CN 03273413 patent/CN2636549Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791160B (en) * | 2004-12-15 | 2011-04-13 | 松下电工株式会社 | Interphone system of collective residence |
| CN100424001C (en) * | 2005-10-03 | 2008-10-08 | 深圳市来吉智能科技有限公司 | Intelligent lift managing system |
| CN102118609A (en) * | 2011-02-28 | 2011-07-06 | 深圳市泛海三江电子有限公司 | Building visual intercom system |
| CN102118609B (en) * | 2011-02-28 | 2012-10-03 | 深圳市泛海三江电子有限公司 | Building visual intercom system |
| CN102547240A (en) * | 2011-12-30 | 2012-07-04 | 福建省冠林科技有限公司 | Visible talk back equipment used by crowds with hearing loss |
| CN102547240B (en) * | 2011-12-30 | 2017-01-25 | 福建省冠林科技有限公司 | Visible talk back equipment used by crowds with hearing loss |
| CN104581044A (en) * | 2014-12-03 | 2015-04-29 | 上海伟视清数字技术有限公司 | Information pushing system and method based on building interphone |
| CN105743977A (en) * | 2016-01-28 | 2016-07-06 | 深圳市松本先天下科技发展有限公司 | Wide area Internet of things entrance machine |
| CN107786831A (en) * | 2016-08-29 | 2018-03-09 | 罗杰 | The integrated circuit of video speech electric bell |
| CN110536107A (en) * | 2018-05-25 | 2019-12-03 | 珠海市京澳特电子有限公司 | The method and device of setting room number based on building conversational system |
| CN110536107B (en) * | 2018-05-25 | 2021-03-19 | 珠海市京澳特电子有限公司 | Building intercom system-based house number setting method and device |
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