CN118025928A - Elevator one-key dialing intercom system and method for using same - Google Patents
Elevator one-key dialing intercom system and method for using same Download PDFInfo
- Publication number
- CN118025928A CN118025928A CN202211395463.3A CN202211395463A CN118025928A CN 118025928 A CN118025928 A CN 118025928A CN 202211395463 A CN202211395463 A CN 202211395463A CN 118025928 A CN118025928 A CN 118025928A
- Authority
- CN
- China
- Prior art keywords
- telephone number
- communication
- main control
- elevator
- module
- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 135
- 230000001413 cellular effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention relates to an elevator one-key dialing intercom system and a method for utilizing the same. The one-key dialing intercom system of the elevator comprises a calling button and a calling button, wherein the calling button is arranged on an operation box panel of an elevator car and receives intercom requests of users; the intercom, it sets up in the inside of the control box of elevator car, the memory module of intercom is configured to have stored at least one telephone number in advance, the main control module of intercom is configured to obtain at least one telephone number of storing in advance in the memory module, when receiving user's intercom request through the call button, send the at least one telephone number that obtains to communication module in order, communication module of intercom is configured to carry out corresponding call communication in order based on received telephone number, until call communication is successful or the calling of all received telephone numbers has been accomplished. The invention can improve the possibility of successful call communication of the trapped elevator user.
Description
Technical Field
The invention relates to the technical field of elevator safety, in particular to an elevator one-key dialing intercom system and a method for utilizing the same.
Background
With economic development and social progress, buildings have a trend of increasing height, and the van type elevator is widely used as a vertical transportation means in a high-rise building. Accordingly, the situation that the elevator fails or the power failure happens frequently, when the elevator fails or fails, the elevator is in a closed space, and the danger of hypoxia choking possibly occurs, at the moment, the elevator is timely contacted with the outside and is timely rescued, and life and property losses can be timely saved.
Because the van-type elevator belongs to airtight space, has certain shielding mobile phone signal's function, can appear mobile phone signal weak even no signal and can't with the condition of external connection, consequently all can install the intercom in every van-type elevator, when personnel need with external connection in the elevator, communicate with relevant safety control mechanism, property, security etc. through the intercom, because only can communicate with the person on duty of above-mentioned department through the intercom, the circumstances that exists the person on duty of above-mentioned department temporarily is not on duty because of individual reason, can appear stranded personnel in the van-type elevator can not get contact with external connection for a long time and produce negative emotion even appear the danger of stifling to bring life and property loss.
Therefore, there is a need for an elevator one-touch dial intercom system that greatly increases the likelihood of successful call communication, thereby enabling elevator users to be rescued from malfunctioning or a powered-off elevator as soon as possible.
The above description of the background is only for the purpose of facilitating a thorough understanding of the present invention's aspects (in terms of the means of technology used, the technical problems solved, and the technical effects produced, etc.) and should not be taken as an acknowledgement or any form of suggestion that this message constitutes prior art that is already known to a person skilled in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an elevator one-key dialing intercom system and a method for utilizing the same, which are used for storing telephone numbers in advance, and can sequentially carry out corresponding call communication based on the telephone numbers when an intercom request of a user is received, thereby improving the possibility of successful call communication.
According to an embodiment of the present invention, there is provided an elevator one-touch dial intercom system including: a call button which is arranged on an operation box panel of the elevator car and receives an intercom request of a user; the intercom, it sets up in the inside of the control box of elevator car, the intercom includes main control module, communication module and storage module, main control module is connected with communication module, storage module and call button electricity respectively, storage module is configured to have stored at least one telephone number in advance, main control module is configured to obtain at least one telephone number of storing in advance in storage module, when receiving user's intercom request through call button, send the at least one telephone number that obtains to communication module in proper order, communication module is configured to carry out corresponding call communication in proper order based on received telephone number, until call communication is successful or the calling of all received telephone numbers has been accomplished.
Preferably, the storage module stores at least one telephone number in advance in the form of a list.
Preferably, the main control module is configured to: acquiring a telephone number list stored in a storage module in advance, and when a talkback request of a user is received through a call button, transmitting one telephone number in the telephone number list to a communication module based on the sequence of the telephone numbers in the telephone number list, and determining whether call communication of the communication module is successful; when the call communication of the communication module is not successful, determining whether all the telephone numbers in the telephone number list are sent out; when the fact that all the telephone numbers in the telephone number list are not sent is determined, the next telephone number is sent to the communication module based on the sequence of the telephone numbers in the telephone number list, and whether calling communication of the communication module is successful or not is determined; and stopping sending the telephone numbers in the telephone number list when the call communication of the communication module is successful or all the telephone numbers in the telephone number list are sent out.
Preferably, the storage module is electrically connectable to an external device configured to pre-store the telephone number to the storage module.
Preferably, the external device is an external handheld keyboard.
Preferably, the communication module comprises a telephone line for accessing analog telephone service, a subscriber identification card of a digital cellular mobile phone.
Preferably, a speaker and a microphone are further arranged on the operation box panel of the elevator car; the loudspeaker and the microphone are respectively and electrically connected with the communication module of the interphone; the speaker and microphone are configured to play and collect speech, respectively, when the intercom call communication is successful.
According to another embodiment of the present invention, there is provided a method of using an elevator one-touch dial intercom system including a call button provided to an operation box panel of an elevator car and an intercom provided inside the operation box of the elevator car, the intercom including a main control module, a communication module, and a storage module, the method of using the elevator one-touch dial intercom system including: receiving a talkback request of a user by a call button; pre-storing at least one telephone number by a storage module; the method comprises the steps that a main control module obtains at least one telephone number stored in a storage module in advance, and when the main control module receives an intercom request of a user through a call button, the main control module sequentially sends the obtained at least one telephone number to a communication module; the corresponding call communication is sequentially conducted by the communication module based on the received telephone numbers until the call communication is successful or the call of all the received telephone numbers has been completed.
Preferably, the method further comprises: the storage module is used for storing at least one telephone number in a list form in advance, and the main control module is used for acquiring a telephone number list stored in the storage module in advance; when the main control module receives an intercom request of a user through a call button, the main control module sends one telephone number in the telephone number list to the communication module based on the sequence of the telephone numbers in the telephone number list; determining whether the call communication of the communication module is successful or not by the main control module; when the main control module determines that the call communication of the communication module is unsuccessful, the main control module determines whether all the telephone numbers in the telephone number list are sent out; when the main control module determines that all the telephone numbers in the telephone number list are not transmitted, the main control module transmits the next telephone number to the communication module based on the sequence of the telephone numbers in the telephone number list, and the main control module determines whether the call communication of the communication module is successful; and stopping sending the telephone numbers in the telephone number list when the main control module determines that the call communication of the communication module is successful or the telephone numbers in the telephone number list are completely sent.
According to another embodiment of the invention, there is provided an elevator provided with the elevator one-touch dial intercom system described above.
The invention adopts the technical scheme that the invention has the following beneficial effects:
The intercom stores the appropriate telephone number in advance and can improve the possibility of successful call communication, in addition, the intercom uses two or more telephone numbers to execute the call communication sequentially, the problem of no one answering when only one contact mode exists can be avoided, the possibility of successful call communication is greatly improved, and therefore elevator users can be saved from the fault or power failure elevator as soon as possible.
In addition, elevator maintainer can be connected handheld keyboard to the intercom and update prestored telephone number for the latest telephone number is stored in the intercom, thereby reduces the possibility that the system does not get the timely call communication failure that updates because of telephone number changes, has further improved the possibility that call communication was successful.
Drawings
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. For clarity, the same elements in different figures are shown with the same reference numerals. It is noted that the figures are for illustrative purposes only and are not necessarily drawn to scale. In these figures:
fig. 1 is a schematic structural view of an elevator one-touch dial intercom system according to an embodiment of the present invention mounted to an elevator car.
Fig. 2 is a block diagram of a configuration of an elevator push-to-dial intercom system according to an embodiment of the present invention.
Fig. 3 is a flow chart of a method of utilizing an elevator push-to-dial intercom system according to an embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in detail, and the embodiments and specific operation procedures are given on the premise of the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
Fig. 1 is a schematic structural view of an elevator one-touch dial intercom system according to an embodiment of the present invention mounted to an elevator car. As shown in fig. 1, a car operating box (car operating panel, COP) 30 is installed in a side wall of the elevator car for passengers to operate opening and closing of elevator doors, select floors to be reached, and the like. Specifically, the console box 30 may include a console box panel 31 and a console box body 32. An elevator one-touch dial intercom system according to an embodiment of the present invention may include a call button 10 and an intercom 20. The call button 10 may be provided to an operation box panel 31 of the elevator car, and the interphone 20 may be provided inside an operation box 30 of the elevator car, i.e., accommodated in an operation box body 32. The interphone 20 is electrically connected to the call button 10 through a connection line 40.
Fig. 2 is a block diagram of a configuration of an elevator push-to-dial intercom system according to an embodiment of the present invention. As shown in fig. 2, the one-touch dial-up intercom system of an elevator according to an embodiment of the present invention may include a call button 10 and an intercom 20. The interphone 20 may include a main control module 21, a communication module 22, and a storage module 23. The main control module 21 is electrically connected with the communication module 22, the storage module 23 and the call button 10, respectively.
The call button 10 may receive a user's intercom request. In the case that the elevator encounters a malfunction or a power failure, the user of the elevator needs to contact with the outside, the user may press the call button 10, the call button 10 may receive an intercom request of the user, and the received intercom request of the user may be transmitted to the main control module 21 of the intercom 20.
The storage module 23 of the interphone 20 may store at least one telephone number in advance. The main control module 21 of the interphone 20 can acquire at least one telephone number stored in advance in the storage module 23.
When the main control module 21 receives an intercom request by the user by pressing the call button 10, the main control module 21 may sequentially transmit the acquired at least one phone number to the communication module 22. The communication module 22 of the intercom 20 may sequentially make the corresponding call communication based on the received telephone numbers until the call communication is successful or the call for all the received telephone numbers has been completed.
As an example, the communication module 22 may include a telephone line for accessing analog telephone service, a subscriber identification card of a digital cellular mobile phone, but the present invention is not limited thereto.
According to an embodiment of the present invention, the interphone 20 stores at least one telephone number in advance, and is capable of sequentially performing corresponding call communication based on the at least one telephone number upon receiving an intercom request of the user. Pre-storing the appropriate telephone number may increase the likelihood of successful call communications. In addition, the two or more telephone numbers are used for carrying out the sequential call communication, so that the problem of no answer when only one contact mode exists can be avoided, the possibility of successful call communication is greatly improved, and an elevator user can be saved from an elevator with faults or power failure as soon as possible.
According to an exemplary embodiment of the present invention, the storage module 23 may store at least one phone number in advance in the form of a list. Accordingly, the main control module 21 may acquire a telephone number list stored in the storage module in advance. When the main control module 21 receives an intercom request by the user by pressing the call button 10, the main control module 21 transmits one of the telephone numbers in the telephone number list to the communication module 22 based on the order of the telephone numbers in the telephone number list. The communication module 22 may conduct a corresponding call communication based on the received telephone number.
The main control module 21 can determine whether the call communication of the communication module 22 is successful. When it is determined that the call communication of the communication module 22 is unsuccessful, i.e., no one answers, the main control module 21 may determine whether all of the phone numbers in the phone number list are transmitted, and when the main control module 21 determines that all of the phone numbers in the phone number list are not transmitted, the main control module 21 transmits the next phone number to the communication module 22 based on the order of the phone numbers in the phone number list. The communication module 22 may conduct a corresponding call communication based on the received telephone number. The main control module 21 may again determine whether the call communication of the communication module is successful. When the main control module 21 determines that the call communication of the communication module 22 is successful, i.e. a person answers, the sending of the telephone numbers in the telephone number list is stopped. Or when the main control module 21 determines that all the telephone numbers in the telephone number list are transmitted, that is, all the telephones are called, the main control module 21 stops transmitting the telephone numbers in the telephone number list.
According to an embodiment of the present invention, the storage module 23 can be electrically connected to an external device, which can previously store a phone number to the storage module. Preferably, the external device is an external handheld keyboard. Therefore, the elevator maintainer can connect the handheld keyboard to the interphone to update the prestored telephone number, so that the latest telephone number is stored in the interphone, the possibility of call communication failure caused by timely updating of the system due to telephone number change is reduced, and the possibility of call communication success is further improved.
Preferably, a speaker (not shown) and a microphone (not shown) are further provided on the operation box panel 31 of the elevator car, and the speaker and the microphone are electrically connected to the communication module 22 of the intercom 20, respectively. When the intercom 20 calls and communicates successfully, the loudspeaker plays the voice, and the microphone can collect the voice, so that the clarity of the conversation process of the user can be ensured.
In addition, the embodiment of the invention also provides an elevator, which is provided with the elevator one-key dialing intercom system of the embodiment, can realize the call communication between an elevator user and the outside when the elevator encounters a fault or a power failure, and can greatly improve the possibility of successful call communication, thereby being capable of rescuing the elevator user from the fault or the power failure as soon as possible.
Fig. 3 is a flowchart illustrating a method of using an elevator push-to-dial intercom system according to an embodiment of the present invention. The elevator one-key dialing intercom system comprises a calling button arranged on an operation box panel of the elevator car and an intercom arranged in the operation box of the elevator car, wherein the intercom comprises a main control module, a communication module and a storage module.
When the elevator encounters a fault or a power failure, and the elevator user needs to contact with the outside, the user can press a call button, and the call button receives an intercom request of the user (S10).
At least one telephone number is stored in advance by a memory module of the interphone. Preferably, the storage module may prestore at least one telephone number in the form of a list (S11). At least one telephone number pre-stored in the storage module is acquired by the main control module, i.e., a telephone number list pre-stored in the storage module is acquired (S12).
When the main control module receives the intercom request of the user through the call button (S13), the main control module sequentially transmits the acquired at least one telephone number to the communication module. The corresponding call communication is sequentially conducted by the communication module based on the received telephone numbers until the call communication is successful or the call of all the received telephone numbers has been completed.
Specifically, the main control module transmits one phone number in the phone number list to the communication module based on the order of the phone numbers in the phone number list (S14), the communication module performs corresponding call communication based on the received phone number (S15), and the main control module determines whether the call communication of the communication module is successful (S16).
When the main control module determines that the call communication of the communication module is successful (yes at S16), the main control module stops transmitting the telephone numbers in the telephone number list (S17).
When the main control module determines that the call communication of the communication module is not successful (no in S16), the main control module determines whether all the telephone numbers in the telephone number list are transmitted (S18), and when it is determined that the main control module transmits all the telephone numbers in the telephone number list (yes in S18), the main control module stops transmitting the telephone numbers in the telephone number list (S17).
When it is determined that the main control module has not completely transmitted all the telephone numbers in the telephone number list (no in S18), the main control module transmits the next telephone number to the communication module based on the order of the telephone numbers in the telephone number list (S19), and the communication module performs corresponding call communication based on the received telephone numbers (S15), and the process is circulated until the main control module determines that the call communication of the communication module is successful (yes in S16) or the main control module completely transmits all the telephone numbers in the telephone number list (yes in S18), the main control module stops transmitting the telephone numbers in the telephone number list (S17).
The elevator one-touch dial intercom system and the method using the same according to the embodiment of the present invention have the following effects.
According to the embodiment of the invention, the interphone stores proper telephone numbers in advance, so that the possibility of successful call communication can be improved, in addition, the interphone uses two or more telephone numbers to perform sequential call communication, the problem of unmanned answering when only one contact mode exists can be avoided, the possibility of successful call communication is greatly improved, and thus elevator users can be saved from faulty or power-off elevators as soon as possible.
According to the embodiment of the invention, the elevator maintainer can connect the handheld keyboard to the interphone to update the prestored telephone number, so that the latest telephone number is stored in the interphone, thereby reducing the possibility of call communication failure caused by the fact that the system is not updated in time due to the change of the telephone number, and further improving the possibility of call communication success.
The various embodiments of the invention are not an exhaustive list of all possible combinations, but are intended to describe representative aspects of the invention and the disclosure described in the various embodiments can be applied separately or in combinations of two or more.
The description of the exemplary embodiments presented above is merely illustrative of the technical solution of the present invention and is not intended to be exhaustive or to limit the invention to the precise form described. Obviously, many modifications and variations are possible in light of the above teaching to those of ordinary skill in the art. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable others skilled in the art to understand, make and utilize the invention in various exemplary embodiments and with various alternatives and modifications. It is intended that the scope of the invention be defined by the following claims and their equivalents.
Claims (10)
1. An elevator one-touch dial intercom system, characterized in that the elevator one-touch dial intercom system comprises:
a call button which is arranged on an operation box panel of the elevator car and receives an intercom request of a user;
The interphone is arranged in the operation box of the elevator car and comprises a main control module, a communication module and a storage module, wherein the main control module is respectively and electrically connected with the communication module, the storage module and a call button,
The memory module is configured to pre-store at least one telephone number,
The main control module is configured to acquire at least one telephone number stored in the storage module in advance, sequentially transmit the acquired at least one telephone number to the communication module when receiving a talkback request of a user through the call button,
The communication module is configured to sequentially conduct corresponding call communications based on the received telephone numbers until the call communications are successful or the calls for all of the received telephone numbers have been completed.
2. The one-touch dial-up intercom system of claim 1, wherein said storage module pre-stores at least one telephone number in a list.
3. The elevator one-touch dial-up intercom system of claim 2, wherein the master control module is configured to:
Acquiring a telephone number list stored in a storage module in advance, and when a talkback request of a user is received through a call button, transmitting one telephone number in the telephone number list to a communication module based on the sequence of the telephone numbers in the telephone number list, and determining whether call communication of the communication module is successful;
when the call communication of the communication module is not successful, determining whether all the telephone numbers in the telephone number list are sent out;
When the fact that all the telephone numbers in the telephone number list are not sent is determined, the next telephone number is sent to the communication module based on the sequence of the telephone numbers in the telephone number list, and whether calling communication of the communication module is successful or not is determined;
And stopping sending the telephone numbers in the telephone number list when the call communication of the communication module is successful or all the telephone numbers in the telephone number list are sent out.
4. The one-touch dial-up intercom system of claim 1, wherein the storage module is electrically connectable to an external device configured to pre-store the telephone number to the storage module.
5. The elevator one-touch dial intercom system of claim 4, wherein said external device is an external handheld keypad.
6. The elevator push-to-talk intercom system of claim 1, wherein the communication module comprises a telephone line for accessing analog telephone services, a subscriber identification card of a digital cellular telephone.
7. The elevator push-to-dial intercom system of claim 1, wherein,
A loudspeaker and a microphone are further arranged on the operation box panel of the elevator car;
The loudspeaker and the microphone are respectively and electrically connected with the communication module of the interphone;
the speaker and microphone are configured to play and collect speech, respectively, when the intercom call communication is successful.
8. The method for dialing intercom system by one key of elevator is characterized in that the one key of elevator dialing intercom system comprises a calling button arranged on an operation box panel of an elevator car and an intercom arranged inside the operation box of the elevator car, wherein the intercom comprises a main control module, a communication module and a storage module, and the method comprises the following steps:
Receiving a talkback request of a user by a call button;
Pre-storing at least one telephone number by a storage module;
The method comprises the steps that a main control module obtains at least one telephone number stored in a storage module in advance, and when the main control module receives an intercom request of a user through a call button, the main control module sequentially sends the obtained at least one telephone number to a communication module;
The corresponding call communication is sequentially conducted by the communication module based on the received telephone numbers until the call communication is successful or the call of all the received telephone numbers has been completed.
9. The method of utilizing an elevator push-to-dial intercom system of claim 8, further comprising:
the storage module is used for storing at least one telephone number in a list form in advance, and the main control module is used for acquiring a telephone number list stored in the storage module in advance;
When the main control module receives an intercom request of a user through a call button, the main control module sends one telephone number in the telephone number list to the communication module based on the sequence of the telephone numbers in the telephone number list;
Determining whether the call communication of the communication module is successful or not by the main control module;
When the main control module determines that the call communication of the communication module is unsuccessful, the main control module determines whether all the telephone numbers in the telephone number list are sent out;
when the main control module determines that all the telephone numbers in the telephone number list are not transmitted, the main control module transmits the next telephone number to the communication module based on the sequence of the telephone numbers in the telephone number list, and the main control module determines whether the call communication of the communication module is successful;
And stopping sending the telephone numbers in the telephone number list when the main control module determines that the call communication of the communication module is successful or the telephone numbers in the telephone number list are completely sent.
10. Elevator, characterized in that it is provided with an elevator one-touch dial intercom system according to any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211395463.3A CN118025928A (en) | 2022-11-07 | 2022-11-07 | Elevator one-key dialing intercom system and method for using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211395463.3A CN118025928A (en) | 2022-11-07 | 2022-11-07 | Elevator one-key dialing intercom system and method for using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118025928A true CN118025928A (en) | 2024-05-14 |
Family
ID=90997323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211395463.3A Pending CN118025928A (en) | 2022-11-07 | 2022-11-07 | Elevator one-key dialing intercom system and method for using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118025928A (en) |
-
2022
- 2022-11-07 CN CN202211395463.3A patent/CN118025928A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102982597B (en) | The communication means of visual talk back entrance guard system | |
| CN101836427A (en) | On-vehicle hands-free apparatus | |
| US3904834A (en) | Handsfree loudspeaking key telephone set and a switching circuit for use in a microphone and loudspeaker equipped key telephone | |
| CN105118114A (en) | Intelligent visitor system and method | |
| CN202976266U (en) | Visual intercom access control system and multifunctional terminal thereof | |
| KR101650357B1 (en) | Emergency call device and method including radio access unit for emergency call | |
| CN102724358B (en) | A kind of implementation method of gate access inter-speaking, mobile terminal and door control interphone | |
| CN102137508A (en) | Method, system and device for communicating between trunking communication system and conventional wireless system | |
| CN219098424U (en) | Elevator one-key dialing intercom system and elevator comprising same | |
| CN106953993A (en) | A kind of intelligent security guard realization method and system | |
| KR101855364B1 (en) | Emergency calling apparatus for elevator | |
| CN101729700A (en) | Comprehensive internal communication system and communication method for voice control | |
| CN118025928A (en) | Elevator one-key dialing intercom system and method for using same | |
| JP2006341938A (en) | Elevator emergency communication system | |
| CN101370181A (en) | Server, terminal and its scene mode sharing method | |
| KR940006519B1 (en) | Absent subscriber service method and circuit | |
| CN107381264A (en) | A kind of vertical lift car wireless automatic alarming rescue system | |
| KR0157710B1 (en) | Method of making a phone call between absentee and visitor | |
| KR20060018569A (en) | The control device of automatic connection system for doorphone and interphone | |
| KR20150060148A (en) | Wire and wireless hybrid type emergency call system of elevator and the control method thereof | |
| JP3029261B2 (en) | Communications system | |
| CN112441487A (en) | Elevator help seeking method and device, storage medium and electronic equipment | |
| JPH0750708A (en) | Cordless network system | |
| CN1824595B (en) | Elevator outside coupling system | |
| US20060148417A1 (en) | Telecommunications terminal and telecommunications assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |