CN111431550A - Interphone and dual-mode full-duplex digital intercom system - Google Patents
Interphone and dual-mode full-duplex digital intercom system Download PDFInfo
- Publication number
- CN111431550A CN111431550A CN202010154962.8A CN202010154962A CN111431550A CN 111431550 A CN111431550 A CN 111431550A CN 202010154962 A CN202010154962 A CN 202010154962A CN 111431550 A CN111431550 A CN 111431550A
- Authority
- CN
- China
- Prior art keywords
- interphone
- module
- digital
- full
- mobile terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Telephone Function (AREA)
Abstract
The invention provides a dual-mode full-duplex digital interphone, which comprises an interphone body, a power supply, a digital interphone module, a pairing module and a terminal communication module, wherein an audio jack is arranged on the surface of the bottom end of the interphone body; the invention enlarges the communication connection distance between the interphone and between the interphone and the mobile terminal, realizes the digital full-duplex encrypted transmission of data receiving and sending, brings convenience to users, ensures the information safety of the users and prevents the interphone from being interfered by the use of external equipment.
Description
Technical Field
The invention relates to the technical field of talkback, in particular to an interphone and a dual-mode full-duplex digital talkback system.
Background
The interphone is a wireless communication tool, can realize communication without any network support, does not generate telephone charge, and is suitable for occasions with relatively fixed and frequent communication. Interphones have three main categories: the full-duplex communication refers to that information can be transmitted in two directions at the same time, and like calling, the analog interphone, the digital interphone and the IP interphone can listen while speaking. The transmitter and the receiver have certain requirements on two different frequencies and two frequency differences, and the duplexer capable of working simultaneously is also called a different-frequency duplexer.
The existing intercom system is based on a half-duplex mechanism, intercom equipment can not receive external signals while sending signals, correspondingly, intercom equipment can not send signals while receiving signals, the use experience of users is reduced to a certain extent, meanwhile, the distances between the intercom and the communication connection between the intercom and the mobile terminal are short, remote intercom is not convenient, the intercom system is easily interfered by the external equipment, and the intercom between the intercom and the intercom has the problems of incapability of encryption and high power consumption.
Disclosure of Invention
The invention aims to provide an interphone and a dual-mode full-duplex digital intercom system which overcome the problems or at least partially solve the problems, and aims to solve the problems that the existing intercom system is based on a half-duplex mechanism, intercom equipment cannot receive external signals while sending signals, correspondingly cannot send signals while receiving the signals, the use experience of users is reduced to a certain extent, meanwhile, the intercom and the interphone are short in communication connection distance, inconvenient for long-distance intercom and easy to be interfered by external equipment, and intercom between the intercom and the interphone cannot be encrypted and is high in power consumption.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides an interphone which comprises an interphone body, a power supply, a digital interphone module, a pairing module and a terminal communication module, wherein an audio jack is formed in the surface of the bottom end of the interphone body;
the terminal communication module comprises a 1.8G/1.9G full-duplex digital communication module, a 2.4G full-duplex digital communication module, an analog-to-digital conversion module and an audio plug, wherein the 1.8G/1.9G full-duplex digital communication module is used for realizing the wireless communication connection between an interphone and a mobile terminal, and the 2.4G full-duplex digital communication module is used for realizing the wireless communication connection between the interphone and the mobile terminal;
the chip is used for voice processing and voice encryption of the interphone; the analog-to-digital conversion module converts an external digital talkback signal into an analog signal, and the digital talkback module is used for starting the full-duplex communication module.
As a further scheme of the invention, the inner side wall of the interphone body is provided with a bayonet lock, the inner side wall of the bottom plate is correspondingly provided with a clamping groove, and the bottom plate is connected with the interphone body in a clamping way through the bayonet lock matched with the clamping groove.
As a further scheme of the invention, the pairing module realizes the pairing between the interphone and the interphone or the pairing between the interphone and the mobile terminal through the 1.8G/1.9G full-duplex digital communication module or the 2.4G full-duplex digital communication module.
As a further scheme of the present invention, the 2.4G full-duplex digital communication module is one of a bluetooth communication module, an infrared communication module, a near field communication module, a limited area communication module, and a WiFi communication module.
A dual mode full duplex digital intercom system comprising a mobile terminal, a 1.8G/1.9G module, a 2.4G module, and the intercom of any of claims 1-4,
the 1.8G/1.9G module is used for communication connection between an interphone and the interphone, and the 2.4G module is used for communication connection between the interphone and the mobile terminal;
the full-duplex communication module comprises a sending module and a receiving module which are sequentially exchanged and circulated, the interphone is arranged on the receiving module on a downlink and used for receiving an external digital talkback signal, the external digital talkback signal is processed by the analog-to-digital conversion module and then sent to the mobile terminal, and the interphone receives the digital talkback signal to be sent from the mobile terminal on the uplink and is sent out by the sending module after being processed by the analog-to-digital conversion module;
the mobile terminal is used for playing external digital talkback information from the interphone, receiving user voice, generating the digital talkback signal to be sent and transmitting the digital talkback signal to the interphone.
As a further proposal of the invention, the device also comprises a reminding module and a control module, wherein,
the reminding module is used for reminding a user of selecting a playing mode of the external digital intercom signal through at least one mode of a signal indicator lamp, a loudspeaker and a buzzer, and the playing mode comprises direct playing or playing through the mobile terminal;
the control module is used for receiving and determining the playing mode of the external digital intercom signal according to the selection operation of a user; if the mobile terminal is selected to play, sending the information to the mobile terminal; and if direct playing is selected, performing digital-to-analog conversion processing on the external digital intercom signal to generate a corresponding analog signal, and playing the analog signal through a loudspeaker or an earphone.
As a further aspect of the present invention, the connection between the intercom and the intercom may be one-to-many or one-to-one, and the one-to-many connection is adopted when the conference intercom is used, and the one-to-one connection is adopted when the instruction is transmitted alone.
As a further scheme of the invention, the 1.8G/1.9G module and the 2.4G module realize that the distance range between the interphone and between the interphone and the mobile terminal is 200-300 m, and the 1.8G/1.9G module can expand the distance to 400-600 m in a networking manner.
The invention provides an interphone and a dual-mode full-duplex digital interphone system, which have the beneficial effects that: according to the invention, the 1.8G/1.9G module and the 2.4G module are respectively used for realizing communication connection between the interphone and between the interphone and the mobile terminal, when the interphone is used in a conference, the interphone and the interphone are in a one-to-many connection mode, so that information can be conveniently transmitted to a speaker, meanwhile, the interphone and the interphone can finish independent transmission indication by adopting a one-to-one connection mode, meanwhile, the 1.8G/1.9G module and the 2.4G module can expand the distance between the interphone and the distance between the interphone and the mobile terminal to 300 meters, and the 1.8G/1.9G module can expand the distance to 600 meters, 400 meters and 600 meters in a networking mode, so that the practicability is strong;
the invention realizes the pairing connection between the interphone and the mobile terminal through the pairing module, starts the full duplex communication module, wherein the full duplex communication module comprises a sending module and a receiving module which are sequentially exchanged and circulated, on a downlink, the interphone is arranged at the receiving module and used for receiving an external digital talkback signal, the external digital talkback signal is processed by an analog-to-digital conversion module and then sent to the mobile terminal, on an uplink, the interphone receives the digital talkback signal to be sent from the mobile terminal and sends the digital talkback signal out through the sending module after being processed by the analog-to-digital conversion module, so that a user can realize the talkback function through the interphone matching with the mobile terminal without purchasing intercom equipment, convenience is brought to the user, the full duplex of data transceiving is realized, and the chip is used for the voice processing and the voice encryption of the interphone, so as to realize the digital full encryption transmission of the data transceiving, convenience is brought to users, and the information safety of the users is guaranteed;
through being provided with three group's of glow sticks side by side at intercom body upper end, can be convenient for the user look for and use under night or the darker environment of light, encircle to be provided with the anti-interference ring of round through linking the department at bottom plate and intercom body simultaneously, can prevent external equipment's use effectively from disturbing the intercom.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a flow chart of the present invention.
Fig. 3 is a system block diagram of the communication connection mode of the intercom of the present invention.
Fig. 4 is an internal schematic view of the intercom of the present invention.
Fig. 5 is a system block diagram of communication connection modes of four sets of interphones in the invention.
In the figure: 1. an interphone body; 2. an audio jack; 3. a fluorescent bar; 4. a base plate; 5. an audio antenna; 6. a terminal communication module; 7. an anti-interference ring.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Example one
Referring to fig. 1, an interphone provided by the embodiment of the invention comprises an interphone body 1, a power supply, a digital interphone module, a pairing module and a terminal communication module 6, wherein an audio jack 2 is arranged on the surface of the bottom end of the interphone body 1, three groups of fluorescent rods 3 are arranged in parallel on the surface of the upper end of the interphone body 1 near the upper position, so that a user can conveniently find and use the interphone in a night or dark environment, a bottom plate 4 is arranged at the bottom of the interphone body 1, an audio antenna 5 is arranged at the front end of the bottom plate 4, a ring of anti-interference rings 7 are annularly arranged on the periphery of the joint of the interphone body 1 and the bottom plate 4, so that the interphone can be effectively prevented from being interfered by using external equipment, the terminal communication module 6 is arranged inside the interphone body 1, and a chip is arranged inside the interphone body 1;
the chip is used for voice processing and voice encryption of the interphone, digital full-duplex encrypted transmission of data receiving and sending is achieved, convenience is brought to users, and user information safety is guaranteed.
Example two
Referring to fig. 2-5, a dual mode full duplex digital intercom system comprising a mobile terminal, a 1.8G/1.9G, a 2.4G module, and the intercom of any of claims 1-4,
the full-duplex communication module comprises a sending module and a receiving module which are sequentially exchanged and circulated, the interphone is arranged on the receiving module on a downlink and used for receiving an external digital talkback signal, the external digital talkback signal is processed by the analog-to-digital conversion module and then sent to the mobile terminal, and the interphone receives the digital talkback signal to be sent from the mobile terminal on the uplink and is sent out by the sending module after being processed by the analog-to-digital conversion module;
the terminal communication module 6 comprises a 1.8G/1.9G full-duplex digital communication module, a 2.4G full-duplex digital communication module, an analog-to-digital conversion module and an audio plug, wherein the 1.8G/1.9G full-duplex digital communication module is used for realizing the wireless communication connection between an interphone and a mobile terminal, and the 2.4G full-duplex digital communication module is used for realizing the wireless communication connection between the interphone and the mobile terminal;
the analog-to-digital conversion module converts an external digital talkback signal into an analog signal, and the digital talkback module is used for starting the full-duplex communication module.
The inner side wall of the interphone body 1 is provided with a bayonet lock, the inner side wall of the bottom plate 4 is correspondingly provided with a clamping groove, and the bottom plate 4 is connected with the interphone body 1 in a clamping mode through the bayonet lock matched with the clamping groove.
The pairing module realizes pairing between the interphone and the interphone or between the interphone and the mobile terminal through the 1.8G/1.9G full-duplex digital communication module or the 2.4G full-duplex digital communication module.
The 2.4G full-duplex digital communication is one of a Bluetooth communication module, an infrared communication module, a near field communication module, a limited area communication module and a WiFi communication module;
the mobile terminal is used for playing external digital talkback information from the interphone, receiving user voice, generating the digital talkback signal to be sent and transmitting the digital talkback signal to the interphone;
therefore, the user can realize the talkback function by matching the interphone with the mobile terminal, so that the receiver can realize talkback without purchasing talkback equipment, convenience is brought to the user, and full duplex of data receiving and sending is realized.
EXAMPLE III
Referring to fig. 2-5, the device further comprises a reminding module and a control module, wherein,
the reminding module is used for reminding a user of selecting a playing mode of the external digital intercom signal through at least one mode of a signal indicator lamp, a loudspeaker and a buzzer, and the playing mode comprises direct playing or playing through the mobile terminal;
the control module is used for receiving and determining the playing mode of the external digital intercom signal according to the selection operation of a user; if the mobile terminal is selected to play, sending the information to the mobile terminal; and if direct playing is selected, performing digital-to-analog conversion processing on the external digital intercom signal to generate a corresponding analog signal, and playing the analog signal through a loudspeaker or an earphone.
The connection mode of the interphone and the interphone is one-to-many or one-to-one, if the interphone is used for conference talkback, the one-to-many connection mode is adopted, and if an instruction is transmitted independently, the one-to-one connection mode is adopted.
The 1.8G/1.9G module is used for communication connection between an interphone and the interphone, and the 2.4G module is used for communication connection between the interphone and the mobile terminal;
the 1.8G/1.9G module and the 2.4G module realize that the distance range between the interphone and between the interphone and the mobile terminal is 200-300 meters, and the 1.8G/1.9G module can expand the distance to 400-600 meters in a networking manner;
when the conference talkbacks, a one-to-many connection mode is adopted between the interphone and the interphone, so that information can be conveniently transmitted to a speaker, meanwhile, the interphone and the interphone can finish independent transmission indication in a one-to-one connection mode, meanwhile, the 1.8G/1.9G module and the 2.4G module can expand the distance between the interphone and the distance between the interphone and the mobile terminal in communication connection to 200-600 meters, and the 1.8G/1.9G module can expand the distance to 400-600 meters in a networking mode, so that the practicability is high.
A working mode of an interphone and a dual-mode full-duplex digital intercom system is as follows: firstly, the pairing connection between the interphone and the mobile terminal is realized through the pairing module, the full-duplex communication module is started, wherein the full-duplex communication module comprises a sending module and a receiving module which are sequentially exchanged and circulated, on a downlink, the interphone is arranged at the receiving module and is used for receiving an external digital talkback signal, the external digital talkback signal is processed through an analog-to-digital conversion module and then is sent to the mobile terminal, on an uplink, the interphone receives the digital talkback signal to be sent from the mobile terminal and is sent out through the sending module after being processed through the analog-to-digital conversion module, so that a user can realize the talkback function through the cooperation of the interphone and the mobile terminal, the receiver can realize the talkback without purchasing talkback equipment, convenience is brought to the user, the full duplex of data receiving and sending is realized, secondly, the communication connection between the interphone and the mobile terminal is realized through the 1.8G/1.9G module and the, when the conference talkback, the interphone and the interphone are connected in a one-to-many way, which is convenient for the speaker to transmit information, meanwhile, the interphone and the interphone can finish the independent transmission of indication by adopting a one-to-one connection mode, meanwhile, the 1.8G/1.9G module and the 2.4G module can expand the communication connection distance between the interphone and between the interphone and the mobile terminal to 200-300 m, the 1.8G/1.9G module can expand the distance to 400 + 600 meters in a networking mode, the practicability is high, and finally, the user can conveniently find and use at night or in a dark environment by arranging three groups of parallel fluorescent rods 3 at the upper end of the interphone body 1, meanwhile, the anti-interference ring 7 is arranged at the joint of the bottom plate 4 and the interphone body 1 in a surrounding mode, so that the interphone can be effectively prevented from being interfered by the use of external equipment.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. An interphone comprises an interphone body (1), a power supply, a digital interphone module, a pairing module and a terminal communication module (6), and is characterized in that an audio jack (2) is formed in the bottom end surface of the interphone body (1), three groups of fluorescent rods (3) are arranged on the upper end surface of the interphone body (1) close to the upper position in parallel, a bottom plate (4) is installed at the bottom of the interphone body (1), an audio antenna (5) is arranged at the front end of the bottom plate (4), a circle of anti-interference rings (7) are annularly arranged on the periphery of the joint of the interphone body (1) and the bottom plate (4), the terminal communication module (6) is arranged inside the interphone body (1), and a chip is arranged inside the interphone body (1);
the terminal communication module (6) comprises a 1.8G/1.9G full-duplex digital communication module, a 2.4G full-duplex digital communication module, an analog-to-digital conversion module and an audio plug, wherein the 1.8G/1.9G full-duplex digital communication module is used for realizing the wireless communication connection between an interphone and a mobile terminal, and the 2.4G full-duplex digital communication module is used for realizing the wireless communication connection between the interphone and the mobile terminal;
the chip is used for voice processing and voice encryption of the interphone; the analog-to-digital conversion module converts an external digital talkback signal into an analog signal, and the digital talkback module is used for starting the full-duplex communication module.
2. The interphone according to claim 1, wherein a bayonet lock is disposed on an inner side wall of the interphone body (1), a locking groove is correspondingly disposed on an inner side wall of the base plate (4), and the base plate (4) is connected with the interphone body (1) through the bayonet lock cooperating with the locking groove.
3. The interphone of claim 1, wherein the pairing module realizes pairing between interphones or pairing between an interphone and a mobile terminal through a 1.8G/1.9G full-duplex digital communication module or a 2.4G full-duplex digital communication module.
4. The interphone of claim 1, wherein the 2.4G full-duplex digital communication module is one of a Bluetooth communication module, an infrared communication module, a near field communication module, a limited area communication module and a WiFi communication module.
5. A dual mode full duplex digital intercom system comprising a mobile terminal, a 1.8G/1.9G module, a 2.4G module and the intercom of any of claims 1-4,
the 1.8G/1.9G module is used for communication connection between an interphone and the interphone, and the 2.4G module is used for communication connection between the interphone and the mobile terminal;
the full-duplex communication module comprises a sending module and a receiving module which are sequentially exchanged and circulated, the interphone is arranged on the receiving module on a downlink and used for receiving an external digital talkback signal, the external digital talkback signal is processed by the analog-to-digital conversion module and then sent to the mobile terminal, and the interphone receives the digital talkback signal to be sent from the mobile terminal on the uplink and is sent out by the sending module after being processed by the analog-to-digital conversion module;
the mobile terminal is used for playing external digital talkback information from the interphone, receiving user voice, generating the digital talkback signal to be sent and transmitting the digital talkback signal to the interphone.
6. The dual-mode full-duplex digital intercom system of claim 5, further comprising a reminder module and a control module, wherein,
the reminding module is used for reminding a user of selecting a playing mode of the external digital intercom signal through at least one mode of a signal indicator lamp, a loudspeaker and a buzzer, and the playing mode comprises direct playing or playing through the mobile terminal;
the control module is used for receiving and determining the playing mode of the external digital intercom signal according to the selection operation of a user; if the mobile terminal is selected to play, sending the information to the mobile terminal; and if direct playing is selected, performing digital-to-analog conversion processing on the external digital intercom signal to generate a corresponding analog signal, and playing the analog signal through a loudspeaker or an earphone.
7. The dual-mode full-duplex digital intercom system according to claim 5, wherein said intercom is connected to the intercom in a one-to-many or one-to-one manner, wherein a one-to-many connection is used if the conference is intercom, and wherein a one-to-one connection is used if the indication is conveyed alone.
8. The dual-mode full-duplex digital intercom system according to claim 5, wherein the 1.8G/1.9G module and the 2.4G module realize that the range of the distances between the intercom and the intercom, and between the intercom and the mobile terminal is 200-300 m, and the distance between the 1.8G/1.9G module can be expanded to 400-600 m through networking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154962.8A CN111431550A (en) | 2020-03-09 | 2020-03-09 | Interphone and dual-mode full-duplex digital intercom system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154962.8A CN111431550A (en) | 2020-03-09 | 2020-03-09 | Interphone and dual-mode full-duplex digital intercom system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111431550A true CN111431550A (en) | 2020-07-17 |
Family
ID=71546177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010154962.8A Pending CN111431550A (en) | 2020-03-09 | 2020-03-09 | Interphone and dual-mode full-duplex digital intercom system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111431550A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148956A (en) * | 2011-03-30 | 2011-08-10 | 游振德 | Dual-band digital visible talkback doorbell |
| CN203135856U (en) * | 2012-12-16 | 2013-08-14 | 王智 | Multifunctional interphone |
| CN204014406U (en) * | 2014-07-23 | 2014-12-10 | 国电南瑞南京控制系统有限公司 | A kind of microcomputer based relay protective device |
| CN107231582A (en) * | 2017-04-21 | 2017-10-03 | 深圳市海恒通科技有限公司 | Full duplex digital intercom method, intercommunication accessory and full duplex digital intecommunication system |
| CN110856123A (en) * | 2018-08-01 | 2020-02-28 | 珠海市名剑电器科技有限公司 | Novel portable intercom system of bluetooth and WIFI full duplex |
-
2020
- 2020-03-09 CN CN202010154962.8A patent/CN111431550A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148956A (en) * | 2011-03-30 | 2011-08-10 | 游振德 | Dual-band digital visible talkback doorbell |
| CN203135856U (en) * | 2012-12-16 | 2013-08-14 | 王智 | Multifunctional interphone |
| CN204014406U (en) * | 2014-07-23 | 2014-12-10 | 国电南瑞南京控制系统有限公司 | A kind of microcomputer based relay protective device |
| CN107231582A (en) * | 2017-04-21 | 2017-10-03 | 深圳市海恒通科技有限公司 | Full duplex digital intercom method, intercommunication accessory and full duplex digital intecommunication system |
| CN110856123A (en) * | 2018-08-01 | 2020-02-28 | 珠海市名剑电器科技有限公司 | Novel portable intercom system of bluetooth and WIFI full duplex |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7818037B2 (en) | Techniques for wirelessly controlling push-to-talk operation of half-duplex wireless device | |
| US7818036B2 (en) | Techniques for wirelessly controlling push-to-talk operation of half-duplex wireless device | |
| KR100484466B1 (en) | Cellular telephone with simultaneous radio and cellular communication | |
| JP2503906B2 (en) | Portable radio | |
| KR101436593B1 (en) | Radio Transmitting/Receiving Apparatus Using RF Dual Band | |
| KR101106767B1 (en) | Bluetooth Multi-user Dongle | |
| CN106210190A (en) | Intercom function accessory based on mobile phone | |
| US6230008B1 (en) | Dual fixed/mobile communications system | |
| EP3678356A1 (en) | Smart phone and bluetooth earset having digital two-way radio function | |
| KR101047518B1 (en) | Wireless shoulder microphone using Bluetooth and wireless shoulder microphone communication system using same | |
| CN105338194A (en) | Mobile phone talkback partner | |
| CN111431550A (en) | Interphone and dual-mode full-duplex digital intercom system | |
| WO2009128274A1 (en) | Intercom system, portable talking device, and led illuminating device | |
| KR100915839B1 (en) | Multilateral wireless communication system | |
| KR102216839B1 (en) | Communication system for mechanized vehicle using wireless communication | |
| CN205377996U (en) | Cell -phone companion that talkbacks | |
| KR101774842B1 (en) | The alone listening remocon having hands-free function | |
| KR20040106786A (en) | Wireless receive-send system using bluetooth and mehod thereof | |
| CN106100671A (en) | A kind of army and police communication transmitter receiver of anti-eavesdrop | |
| CN217824964U (en) | Follow-on hanging intercom of ring | |
| US20070270181A1 (en) | Hybrid telephone system | |
| KR100371449B1 (en) | Wireless exchanging phone having the earphone and the mic of wireless | |
| CN212278386U (en) | Two intercom systems and intercom | |
| KR100540567B1 (en) | Massive storage data wireless receive-send system and method thereof | |
| CN101359922A (en) | Mobile phone Bluetooth or infrared relay antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200717 |
|
| RJ01 | Rejection of invention patent application after publication |