CN216719184U - Digital television remote monitoring alarm system - Google Patents
Digital television remote monitoring alarm system Download PDFInfo
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- CN216719184U CN216719184U CN202123299731.5U CN202123299731U CN216719184U CN 216719184 U CN216719184 U CN 216719184U CN 202123299731 U CN202123299731 U CN 202123299731U CN 216719184 U CN216719184 U CN 216719184U
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Abstract
The application relates to a digital television remote monitoring alarm system, which comprises a control device, a remote monitoring alarm device and a remote monitoring alarm device, wherein the control device is used for outputting an opening control instruction and controlling a banknote door motor to drive a banknote door to move towards the direction of opening the banknote door and open the banknote door; can export and close control command, control paper money door motor drive paper money door to the direction motion of closing the paper money door and close, still include: the acquisition module comprises a switch detection module and is used for detecting the opening and closing state of the cash door and outputting a real-time state signal representing the opening and closing state of the cash door; the control module is connected with the switch detection module, receives the real-time state signal, is connected with the control device, and is used for receiving the opening control instruction or the closing control instruction, judging whether the real-time state signal is the same as the received state signal or not based on the real-time state signal, and outputting an alarm signal if the real-time state signal is not the same as the received state signal; and the display module is connected with the control module, receives the alarm signal and displays the alarm signal. This application has the effect of in time reporting to the police when the not normal switch of paper money door.
Description
Technical Field
The application relates to the field of financial monitoring systems, in particular to a digital television remote monitoring alarm system.
Background
In daily life, people often use the ATM to carry out the operation of deposit and withdrawal of money, can refer to the outer paper money door protector that publication number is CN207068164U, the device includes the paper money door, paper money door motor and paper money door guide rail, paper money door motor is connected with the paper money door, the paper money door sets up to the arc and sets up on paper money door guide rail, when the paper money door is opened or is closed, through paper money door motor control paper money door along the motion of paper money door guide rail direction and then realize the switching of paper money door, when the paper money door is opened, the resident places the money of being about to the access or takes the money of taking out in to the paper money door space of ATM.
At present, lawless persons can not normally open the cash door when the masses take money by destroying the structure of the cash door of the ATM, blocking the cash door by using tiny objects or blocking the cash door by using glue and the like, and then the lawless persons can not illegally separate and steal money by using special tools after the masses mistakenly think that the machine fails to leave, so that the masses can damage the money. In the current ATM monitoring system, the behavior of the lawbreaker is mostly prevented by using monitoring methods such as a camera and the like.
However, it is difficult to observe and prevent the banknote door from the video detected by the camera in response to the act of plugging the banknote door with a tiny object or plugging the banknote door with glue.
SUMMERY OF THE UTILITY MODEL
In order to facilitate finding the illegal action of plugging the banknote door by a lawless person, the application provides a digital television remote monitoring alarm system.
The application provides a digital television remote monitoring alarm system, adopts following technical scheme:
a digital television remote monitoring alarm system comprises a control device, a remote monitoring alarm device and a remote monitoring alarm device, wherein the control device is used for outputting an opening control instruction and controlling a banknote door motor to drive a banknote door to move towards the direction of opening the banknote door and open the banknote door; can export and close control command, control paper money door motor drive paper money door to the direction motion of closing the paper money door and close, still include:
the acquisition module comprises a switch detection module and is used for detecting the opening and closing state of the cash door and outputting a real-time state signal representing the opening and closing state of the cash door;
the control module is connected with the switch detection module, receives the real-time state signal, is connected with the control device, and is used for receiving the opening control instruction or the closing control instruction, judging whether the real-time state signal is the same as the received state signal or not based on the real-time state signal, and outputting an alarm signal if the real-time state signal is not the same as the received state signal;
and the display module is connected with the control module, receives the alarm signal and displays the alarm signal.
By adopting the technical scheme, the switch detection module is used for detecting the current opening and closing state of the banknote door, the control module judges whether the current banknote door is opened or not according to the real-time state signal after receiving the opening control instruction, and if the real-time state signal represents that the current banknote door is opened, the control module judges that the current banknote door executes the opening control instruction; if the real-time state signal represents that the current banknote door is closed, the control module judges that the current banknote door does not execute an opening control instruction, outputs an alarm signal at the moment and starts to alarm; after receiving a closing control instruction, the control module judges whether the current banknote door is closed according to the real-time state signal; if the real-time state signal represents that the current banknote door is in a closed state, the control module judges that the current banknote door executes the operation of a closing control instruction, if the real-time state signal represents that the current banknote door is in an open state, the control module judges that the current banknote door does not execute the closing action and is abnormal, an alarm signal is displayed in the display module, and a worker is reminded to check and check; the staff of being convenient for in time discovers the problem, judges the abnormal conditions, when having reduced because lawless persons destroys the paper money door and leads to the unable normal switching of paper money door, causes loss of property's probability to the masses.
Optionally, the switch detection module includes a travel switch, an optical coupler, a first resistor R1, and a second resistor R2;
one end of the travel switch is connected with a power supply, the other end of the travel switch is connected with an anode of the optical coupler, a cathode of the optical coupler is grounded, an emitter of the optical coupler is grounded, a collector of the optical coupler is connected with one end of a first resistor R1, and the other end of the first resistor R1 is connected with the power supply; and the collector of the optocoupler is also connected with the input end of the control module.
By adopting the technical scheme, when the bill door is opened, the travel switch is switched off, and the optical coupler outputs high level to be received by the control module; when the cash door is closed, the travel switch is closed, the optical coupler outputs low level to be received by the control module, and the control module judges the opening and closing states of the cash door according to the difference of the high and low levels of the real-time state signal.
Optionally, a transmission module is connected between the acquisition module and the control module;
the transmission module comprises a signal converter, a first wireless transceiver and a second wireless transceiver;
the signal converter is connected with the acquisition module and is used for converting the real-time state signal into a digital signal from an electric signal;
the first wireless transceiver is connected with the signal converter and is used for converting the real-time state signal in a digital form into a real-time distance signal in an electromagnetic wave form;
the first wireless transceiver is in wireless connection with the second wireless transceiver and is used for transmitting the real-time state signal of the electromagnetic wave signal to the second wireless transceiver in a wireless remote mode;
the second wireless transceiver is connected with the control module and used for outputting the real-time state signal of the received electromagnetic wave signal to the control module.
By adopting the technical scheme, the real-time information collected by the collection module is remotely forwarded to the control module by utilizing the signal converter, the first wireless transceiver and the second wireless transceiver, so that remote data transmission is realized, and the working personnel can conveniently manage a plurality of scattered ATM machines.
Optionally, the display module is a digital television.
By adopting the technical scheme, the information can be displayed to the staff more intuitively by utilizing the digital television.
Optionally, the control module is further connected to a delay module, and is configured to output a delay signal while outputting the alarm signal, and the delay module responds to the delay signal and controls the connection line between the control module and the display module to be closed after a preset delay time.
By adopting the technical scheme, the alarm is not carried out in the reaction time of the opening and closing of the cash door by utilizing the time delay module, so that the probability of carrying out false alarm in the reaction time is reduced.
Optionally, the first wireless transceiver and the second wireless transceiver both use nRF24L01 transceiver chips.
By adopting the technical scheme, bidirectional data transmission can be realized by utilizing the nRF24L01 transceiver chip.
Optionally, the monitoring alarm system is further provided with an alarm module;
the alarm module is connected with the signal converter;
the control module is used for outputting an alarm signal and simultaneously outputting a warning signal and remotely transmitting the warning signal to the signal converter through the transmission module;
and the alarm module receives the warning signal and gives an alarm.
By adopting the technical scheme, when the control module outputs the alarm signal, the alarm signal is output and is remotely transmitted to the alarm module by the transmission module, and personnel in the preset range of the ATM are prompted.
To sum up, the application comprises the following beneficial technical effects:
the switch detection module is used for detecting the opening and closing state of the current banknote door, the control module judges whether the current banknote door is opened or not according to the real-time state signal after receiving the opening control instruction, and if the real-time state signal represents that the current banknote door is opened, the control module judges that the current banknote door executes the opening control instruction; if the real-time state signal represents that the current banknote door is closed, the control module judges that the current banknote door does not execute an opening control instruction, outputs an alarm signal at the moment and starts to alarm; after receiving a closing control instruction, the control module judges whether the current banknote door is closed according to the real-time state signal; if the real-time state signal represents that the current banknote door is in a closed state, the control module judges that the current banknote door executes the operation of a closing control instruction, if the real-time state signal represents that the current banknote door is in an open state, the control module judges that the current banknote door does not execute the closing action and is abnormal, an alarm signal is displayed in the display module, and a worker is reminded to check and check; the staff of being convenient for in time discovers the problem, judges the abnormal conditions, has reduced when leading to the unable normal switching of paper money door because lawless persons destroys the paper money door, causes the probability of loss of property to the masses.
Drawings
FIG. 1 is a block diagram of a digital television remote monitoring alarm system according to an embodiment of the present application;
FIG. 2 is a circuit diagram of a switch detection module of a digital television remote monitoring alarm system according to an embodiment of the present application;
fig. 3 is a circuit diagram of a delay module of a digital television remote monitoring alarm system according to an embodiment of the present application;
description of the reference numerals: 1. an acquisition module; 11. a switch detection module; 12. a video module; 2. a transmission module; 21. a signal converter; 22. a first wireless transceiver; 23. a second wireless transceiver; 3. a control module; 4. a display module; 5. an alarm module; 6. and a time delay module.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The control method or the device for controlling the opening and closing of the cash door of the ATM can refer to the invention patent with the publication number of CN108846947A, in the invention patent, a method and a device for closing the cash door are disclosed, a control device is utilized to start a cash door motor and drive the cash door to move towards the direction of closing the cash door, a first sensor and a second sensor are arranged at the closing position of the cash door, and the first sensor and the second sensor are utilized to detect whether the hand of a user leaves the closing position of the cash door; during the closing process of the bill door, if the user is detected to leave the bill door closing position, the control device controls the bill door to close; when detecting that the user does not leave the banknote door, the control device is used for controlling the banknote door motor to retreat for a set distance, and a part of banknote door is opened, so that the probability of clamping the user hand is reduced.
When the banknote door is opened, the control device outputs an opening control instruction, the banknote door motor is controlled to drive the banknote door to move towards the direction of opening the banknote door, when the banknote door is closed, the control device outputs a closing control instruction, the banknote door motor is driven to move towards the direction of closing the banknote door, whether a user leaves the closed state of the banknote door motor driven banknote door is controlled by the banknote door motor or not is detected by using a sensor arranged at the position where the banknote door is closed, and if the user leaves, the banknote door is normally closed.
The embodiment of the application discloses a digital television remote monitoring alarm system, and referring to fig. 1, the digital television remote monitoring alarm system comprises an acquisition module 1, a transmission module 2, a control module 3 and a display module 4; the control module 3 is connected with the control device and used for judging whether the current state of the banknote door is matched with the control instruction or not when the control device outputs the control instruction.
Specifically, collection module 1 includes switch detection module 11, and switch detection module 11 is connected with control module 3 for detect the on-off state of paper money door, and the real-time status information that the output representation paper money door actually closed or opened, control module 3 receives real-time status information, and based on real-time status signal, judges whether the state of present paper money door matches with opening instruction signal or closing instruction signal, if mismatch then output alarm signal.
Referring to fig. 2, the switch detection module 11 includes an optical coupler, a travel switch, a first resistor R1 and a second resistor R2, the travel switch is disposed on a side wall of the banknote door, and when the banknote door is closed, the travel switch is impacted, and the switch of the travel switch is closed; when the banknote door is opened, the spring inside the travel switch disconnects the switch of the travel switch.
Specifically, referring to fig. 2, one end of the travel switch is connected to the power supply, the other end of the travel switch is connected to one end of a first resistor R1, the other end of the first resistor R1 is connected to the anode of the optocoupler, the cathode of the optocoupler is grounded, the emitter of the optocoupler is grounded, the collector of the optocoupler is connected to one end of a second resistor R2, the other end of the second resistor R2 is connected to the power supply, and the collector of the optocoupler is further connected to the control module 3.
When the banknote door is in a closed state, the travel switch is closed, and the light emitter of the optical coupler is electrified to emit a light signal; the light signal is received to the photic ware of opto-coupler, with light signal with convert the electrical signal output into, the projecting pole of opto-coupler switches on with the collecting electrode of opto-coupler, and switch detection module 11 output representation is present the real-time status signal that the paper money door was closed, and the real-time status signal of output is a high level signal when the paper money door was closed in essence.
When the banknote door is in an opening state, the travel switch is switched off, the light emitter of the optical coupler is not electrified, the emitting electrode of the optical coupler is not conducted with the collecting electrode, the switch detection module 11 outputs a real-time state signal representing the opening of the current banknote door, and the real-time state signal output when the banknote door is opened is a low level signal substantially. The switching detection module 11 outputs a real-time state signal with alternating high and low levels by integrating the on-off condition of the cash door.
In addition, in another embodiment, the switch detection module 11 may also adopt sensors such as an infrared sensor, a photoelectric sensor, and an ultrasonic sensor, and the infrared sensor is taken as an example in the embodiment of the present application for description.
The switch detection module 11 comprises an infrared sensor and a controller, wherein the infrared sensor is arranged at a preset position above a cash door on the ATM, and can measure the distance between the preset position and the cash door of the ATM and output a distance signal; the controller is connected with the infrared sensor, receives the distance signal, judges whether the distance signal is greater than a preset reference distance or not, and outputs a real-time state signal representing that the cash door is closed or opened; if the current state is greater than the preset value, outputting a real-time state signal representing the opening of the cash door; and if the current value is less than the preset value, outputting a real-time state signal representing that the cash door is closed.
Specifically, the infrared sensor comprises a receiving tube and a transmitting tube, the transmitting tube transmits infrared light, the infrared light transmitted by the transmitting tube can scan and detect the closed position of the banknote door, the infrared light is reflected back and received by the receiving tube after touching an object, the infrared sensor can detect the distance between the position of the infrared sensor and the object below the preset position according to the distance length of the infrared light transmitted and received, and the controller can judge whether the banknote door is closed or not according to the distance; when the banknote door is opened, the distance detected by the infrared sensor is the distance between the infrared sensor and the bottom of the banknote door; when the bill door is closed, the distance detected by the infrared sensor is the distance between the infrared sensor and the upper surface of the bill door when the bill door is closed; when the banknote door is opened, the value of the distance signal is greater than that when the banknote door is closed, and when the distance signal received by the controller is greater than the reference distance, the current banknote door is represented to be in an open state; when the distance signal received by the controller is smaller than the reference distance, the current banknote door is represented to be in a closed state, and therefore the opening and closing state of the current banknote door can be judged according to the value of the received distance signal; the controller is connected with the control module 3 and outputs a real-time state signal representing the actual opening and closing state of the current cash door.
The control module 3 receives the real-time state signal, judges whether the opening state corresponding to the real-time state signal and the control instruction is consistent or not based on the real-time state signal and the received control instruction, and outputs an alarm signal if the opening state corresponding to the real-time state signal and the control instruction is not consistent.
Specifically, when the received control instruction is an opening control instruction, the control module 3 judges whether the real-time state signal corresponds to an opening state, and if not, outputs an alarm signal; when the received control instruction is a closing control instruction, the control module 3 judges whether the real-time state signal corresponds to a closing state, and if not, outputs an alarm signal.
The display module 4 is a digital television which is connected with the control module 3, responds to the alarm signal and displays the abnormal alarm information of the banknote door.
The acquisition module 1 and the control module 3 can transmit real-time information in a wireless transmission mode.
Specifically, the transmission module 2 includes a signal converter 21, a first wireless transceiver 22, and a second wireless transceiver 23. The acquisition module 1 is connected with the signal converter 21, processes the electric signal output by the acquisition module 1, and converts the electric signal into an electromagnetic wave signal for output; the signal converter 21 is connected to the first wireless transceiver 22, and outputs the electromagnetic wave signal by using the first wireless transceiver 22, the second wireless transceiver 23 wirelessly transmits information with the first wireless transceiver 22, the second wireless transceiver 23 receives the electromagnetic wave signal, the control module 3 is connected to the second wireless transceiver 23, decodes and processes the electromagnetic wave signal, and finally outputs the digital signal to the display module 4 for displaying in the display module 4.
The first wireless transceiver 22 and the second wireless transceiver 23 may employ nRF24L01 transceiver chips, and the nRF24L01 transceiver chips are single-frequency transceiver chips, so as to implement a bidirectional data transmission function of transmission and reception.
Wherein, the data input end and the data output end of the first wireless transceiver 22 are connected with the signal converter 21 through a bus; the data input end comprises a CE pin, a CSN pin, an SCK pin and an MOSI pin, and the data output end comprises a MISO pin and an IRQ pin; configuring the first wireless transceiver 22 in a transmit mode when information is communicated by the acquisition module 1 to the control module 3; when the control module 3 transfers information to the acquisition module 1, the first wireless transceiver 22 is configured to be in a receiving mode, and information transmitted by the second wireless transceiver 23 is received.
The data input end and the data output end of the second wireless transceiver 23 are connected with the control module 3, and when the acquisition module 1 transmits information to the control module 3, the second wireless transceiver 23 is configured to be in a receiving mode to receive the information sent by the first wireless transceiver 22; when the control module 3 communicates information to the acquisition module 1, the second wireless transceiver 23 is configured in a transmit mode, sending information to the first wireless transceiver 22.
Further, the acquisition module 1 further comprises a video module 12, the video module 12 comprises at least one camera, wherein the camera is installed at a preset position of the ATM and is used for acquiring an environment image within a preset range of the ATM and outputting real-time image information representing the environment condition within the preset range of the ATM, the transmission module 2 encodes and transmits the real-time image information and remotely transmits the encoded real-time image information to the control module 3, the control module 3 decodes the decoded real-time image information and converts the decoded real-time image information into a digital signal to be output to the display module 4 for display, a worker can remotely check the field condition in real time according to the video image and the warning slogan displayed in the display module 4, and the field condition can be conveniently judged before the work such as troubleshooting, maintenance and the like of the ATM.
Furthermore, the banknote door needs reaction time for executing opening or closing actions, misjudgment is easily formed when the control module 3 judges whether the banknote door executes corresponding actions within the reaction time, and in order to reduce the misjudgment probability of the control module 3, referring to fig. 3, the banknote door control system is further provided with a delay module 6 which is connected with the control module 3 and the display module 4.
The delay module 6 comprises a third resistor R3, a fourth resistor R4, a first capacitor C1, a first triode Q1, a second triode Q2, a first relay K1 and a second relay K2; one end of a third resistor R3 is connected with the control module 3, the other end of the third resistor R3 is connected with the base of a first triode Q1, the emitter of the first triode Q1 is grounded, the collector of the first triode Q1 is connected with one end of a coil of a first relay K1, the other end of the coil of the first relay K1 is connected with a power supply, one end of a switch of the first relay K1 is connected with VCC, the other end of the switch of the first relay K1 is connected with one end of a fourth resistor R4, the other end of the fourth resistor R4 is connected with one end of a first capacitor C1, the other end of a first capacitor C1 is grounded, the ungrounded end of the first capacitor C1 is connected with the base of a second triode Q2, the emitter of the second triode Q2 is grounded, the collector of the second triode Q2 is connected with one end of a coil of a second relay K2, the other end of the coil of the second relay K2 is connected with the power supply, and the switch control module 3 of the second relay K2 is connected between the display module 4.
When the control module 3 outputs an alarm signal, a delay signal is simultaneously output, the delay signal is a high level signal substantially, the first triode Q1 and the second triode Q2 are NPN-type triodes, after the first triode Q1 is turned on, the switch of the first relay K1 is closed, after a RC delay circuit composed of the fourth resistor R4 and the first capacitor C1 experiences a preset delay time, the second triode Q2 is turned on, the coil of the second relay K2 is energized, the switch of the second relay K2 is closed, and the connection line for transmitting the alarm signal to the digital television by the control module 3 normally transmits the alarm signal for alarming after the preset delay time.
The preset delay time is adjusted according to the resistance value of the second resistor R2 and the capacitance value of the first capacitor C1, and the delay time is matched with the reaction time of the banknote door for opening or closing, so that the control module 3 does not give an alarm in the reaction time, and the probability of false alarm is reduced.
Further, in order to remind citizens within the preset position range of the ATM under the condition of abnormal banknote discharging, the automatic banknote discharging device is further provided with an alarm module 5 which is arranged on the ATM and connected with the signal converter 21.
The alarm module 5 may take the form of a light alarm, for example, an indicator light is provided, the indicator light is provided at a preset position on the ATM, the light alarm can be observed by a person using the ATM, and the user can know that the current ATM has a fault according to the prompt of the alarm module 5.
Specifically, the control module 3 outputs an alarm signal and also outputs a warning signal; meanwhile, the second wireless transceiver 23 is configured to transmit mode, and transmits the warning signal to the first wireless transceiver 22; the first wireless transceiver 22 is configured in a receive mode to receive the alert signal; the signal converter 21 converts the form of the transmitted warning signal into the form of a digital signal, and the alarm module 5 is connected with the signal converter 21, responds to the digital signal type warning signal and gives an alarm to indicate the field personnel of the ATM.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A digital television remote monitoring alarm system comprises a control device, a remote monitoring alarm device and a remote monitoring alarm device, wherein the control device is used for outputting an opening control instruction and controlling a banknote door motor to drive a banknote door to move towards the direction of opening the banknote door and open the banknote door; can export and close control command, control paper money door motor drive paper money door to the direction motion of closing the paper money door and close its characterized in that still includes:
the cash door control system comprises an acquisition module (1), wherein the acquisition module (1) comprises a switch detection module (11) for detecting the opening and closing state of a cash door and outputting a real-time state signal representing the opening and closing state of the cash door;
the control module (3) is connected with the switch detection module (11), receives the real-time state signal, is connected with the control device, and is used for receiving the opening control instruction or the closing control instruction, judging whether the real-time state signal is the same as the received state signal or not based on the real-time state signal, and outputting an alarm signal if the real-time state signal is not the same as the received state signal;
and the display module (4) is connected with the control module (3), receives the alarm signal and displays the alarm signal.
2. The digital television remote monitoring alarm system according to claim 1, wherein the switch detection module (11) comprises a travel switch, an optical coupler, a first resistor R1 and a second resistor R2;
one end of the travel switch is connected with a power supply, the other end of the travel switch is connected with an anode of the optical coupler, a cathode of the optical coupler is grounded, an emitter of the optical coupler is grounded, a collector of the optical coupler is connected with one end of a first resistor R1, and the other end of the first resistor R1 is connected with the power supply; and the collector of the optocoupler is also connected with the input end of the control module (3).
3. The digital television remote monitoring alarm system according to claim 1, wherein a transmission module (2) is connected between the acquisition module (1) and the control module (3);
the transmission module (2) comprises a signal converter (21), a first wireless transceiver (22) and a second wireless transceiver (23);
the signal converter (21) is connected with the acquisition module (1) and is used for converting the real-time state signal into a digital signal from an electric signal;
the first wireless transceiver (22) is connected with the signal converter (21) and is used for converting the real-time state signal in a digital form into a real-time distance signal in an electromagnetic wave form;
the first wireless transceiver (22) is wirelessly connected with the second wireless transceiver (23) and is used for wirelessly and remotely transmitting the real-time state signal of the electromagnetic wave signal to the second wireless transceiver (23);
the second wireless transceiver (23) is connected with the control module (3) and is used for outputting the real-time state signal of the received electromagnetic wave signal to the control module (3).
4. The digital television remote monitoring alarm system according to claim 1, wherein the display module (4) is a digital television.
5. The digital television remote monitoring alarm system according to claim 1, wherein the control module (3) is further connected with a delay module (6) for outputting a delay signal while outputting an alarm signal, and the delay module (6) responds to the delay signal and controls a connection line between the control module (3) and the display module (4) to be closed after a preset delay time.
6. The digital television remote monitoring alarm system according to claim 3, wherein the first wireless transceiver (22) and the second wireless transceiver (23) both employ nRF24L01 transceiver chips.
7. The digital television remote monitoring alarm system according to claim 3, characterized in that the monitoring alarm system is further provided with an alarm module (5);
the alarm module (5) is connected with the signal converter (21);
the control module (3) is used for outputting an alarm signal and simultaneously outputting a warning signal and remotely transmitting the warning signal to the signal converter (21) through the transmission module (2);
and the alarm module (5) receives the warning signal and gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299731.5U CN216719184U (en) | 2021-12-24 | 2021-12-24 | Digital television remote monitoring alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299731.5U CN216719184U (en) | 2021-12-24 | 2021-12-24 | Digital television remote monitoring alarm system |
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| Publication Number | Publication Date |
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| CN216719184U true CN216719184U (en) | 2022-06-10 |
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| CN202123299731.5U Active CN216719184U (en) | 2021-12-24 | 2021-12-24 | Digital television remote monitoring alarm system |
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