CN210836252U - Fingerprint lock and fingerprint lock control system - Google Patents
Fingerprint lock and fingerprint lock control system Download PDFInfo
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- CN210836252U CN210836252U CN201922082649.3U CN201922082649U CN210836252U CN 210836252 U CN210836252 U CN 210836252U CN 201922082649 U CN201922082649 U CN 201922082649U CN 210836252 U CN210836252 U CN 210836252U
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Abstract
The utility model provides a fingerprint lock and a fingerprint lock control system, wherein the fingerprint lock comprises a communication circuit, a control circuit and an infrared emission circuit, and the control circuit is respectively connected with the communication circuit and the infrared emission circuit; the control circuit is in wireless connection with the intelligent terminal through the communication circuit and receives a control instruction sent by the intelligent terminal, wherein the control instruction comprises a distance control instruction and an induction time control instruction; the control circuit sends PWM signals with corresponding duty ratios to the infrared transmitting circuit according to the control instructions so as to control the infrared transmitting circuit to adjust the working current of the infrared transmitting tube and change the detection distance and the induction time of the fingerprint lock. The utility model discloses can adjust the detection range of fingerprint lock, improve and detect the precision, reduce the alert probability of wrong report appearance to the utilization has reduced the consumption of fingerprint lock to induction time's regulation, has prolonged fingerprint lock operating time, has satisfied the user demand.
Description
Technical Field
The utility model relates to an intelligence house field especially relates to a fingerprint lock and fingerprint lock control system.
Background
Along with the improvement of scientific technology and living standard, the security consciousness of people is also continuously improved, and the traditional mechanical lock can not meet the requirements of people on protecting the security of units and family property. With the development of large scale integrated circuit technology, the replacement of mechanical locks by smart locks has been a trend of current development.
In prior art, the intelligence lock often only possesses the function of unblanking according to personnel's instruction or password, can not carry out initiative detection to the outside, even there is the intelligence lock of initiative detection function also can only detect the target of fixed range, is difficult to adjust the detection range, appears the wrong report alert easily, can't adjust the check-out time moreover, and the consumption is big, causes fingerprint lock operating time short, is difficult to satisfy the demand that the user worked to the fingerprint lock for a long time.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art not enough, the utility model provides a fingerprint lock and fingerprint lock control system, send control command to the fingerprint lock through intelligent terminal, control circuit sends the PWM signal of corresponding duty cycle according to this control command, thereby it realizes fingerprint lock detection range to utilize this PWM signal to adjust infrared transmitting tube's operating current, can adjust the detection range of fingerprint lock, improve and detect the precision, reduce the probability that wrong report is alert, and utilize the regulation to induction time to reduce the consumption of fingerprint lock, fingerprint lock operating time has been prolonged, user demand has been satisfied.
In order to solve the above problem, the utility model discloses a technical scheme do: a fingerprint lock comprises a communication circuit, a control circuit and an infrared emission circuit, wherein the control circuit is respectively connected with the communication circuit and the infrared emission circuit; the control circuit is in wireless connection with the intelligent terminal through the communication circuit and receives a control instruction sent by the intelligent terminal, wherein the control instruction comprises a distance control instruction and an induction time control instruction; and the control circuit sends PWM signals with corresponding duty ratios to the infrared emission circuit according to the control instructions so as to control the infrared emission circuit to adjust the working current of the infrared emission tube and change the detection distance and the induction time of the fingerprint lock.
Furthermore, the fingerprint lock further comprises an infrared receiving circuit, the control circuit is connected with the infrared receiving circuit, the infrared receiving circuit receives the reflected infrared light signals, and the preset target is identified according to the infrared light signals.
Furthermore, the infrared receiving circuit comprises a first infrared receiving head, a third port of the first infrared receiving head is connected with the anode of a battery of the fingerprint lock, a second port of the first infrared receiving head is grounded, and the first port is connected with the control circuit and sends reflected infrared light signals to the control circuit through the first port.
Furthermore, the infrared receiving circuit comprises a first capacitor, a second capacitor and a third capacitor, wherein the first end of the first capacitor and the first end of the third capacitor are connected with the third port, the second end of the first capacitor and the second end of the third capacitor are grounded, the first end of the second capacitor is connected with the first port, and the second end of the second capacitor is grounded.
Furthermore, the infrared receiving circuit further comprises a second resistor, a third resistor and a fourth resistor, wherein the first end of the second resistor and the first end of the third resistor are connected with the anode of the battery, the second end of the third resistor is connected with the third port of the first infrared receiving head, the second end of the second resistor is connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the control circuit.
Further, the infrared receiving circuit comprises a second switch tube, a third resistor, a sixth resistor and an eighth resistor, wherein the first end of the sixth resistor is connected with the anode of the battery, the second end of the sixth resistor is connected with the first end of the eighth resistor, the second end of the eighth resistor is connected with the control circuit, the grid electrode of the second switch tube is connected with the second end of the sixth resistor, the source electrode of the second switch tube is connected with the anode of the battery, and the drain electrode of the second switch tube is connected with the first end of the third resistor.
Further, the fingerprint lock further comprises an alarm circuit, the alarm circuit is connected with the control circuit, when the control circuit identifies a preset target according to the infrared light signal, the alarm circuit gives an alarm, and the communication circuit is used for sending alarm information to the intelligent terminal.
Furthermore, the infrared transmitting circuit comprises an infrared transmitting tube and a first switch tube, wherein the anode of the infrared transmitting tube is connected with the anode of a battery of the fingerprint lock, the cathode of the infrared transmitting tube is connected with the drain electrode of the first switch tube, the source electrode of the first switch tube is grounded, the grid electrode of the first switch tube is connected with the control circuit, and the PWM signal sent by the control circuit is received through the grid electrode.
Furthermore, the infrared transmitting circuit further comprises a first resistor, a fifth resistor and a seventh resistor, wherein the first end of the first resistor is connected with the anode of the battery, the second end of the first resistor is connected with the anode of the infrared transmitting tube, the first end of the fifth resistor is connected with the grid electrode of the first switch tube, the second end of the fifth resistor is connected with the control circuit, the first end of the seventh resistor is connected with the second end of the fifth resistor, and the second end of the seventh resistor is grounded.
Based on the same inventive concept, the utility model also provides a fingerprint lock control system, which comprises an intelligent terminal and a fingerprint lock; the intelligent terminal is connected with the fingerprint lock and sends a control instruction to the fingerprint lock through the intelligent terminal; the fingerprint lock comprises a fingerprint lock as described in any of the above.
Compared with the prior art, the beneficial effects of the utility model reside in that: control command is sent to the fingerprint lock through intelligent terminal, and control circuit sends the PWM signal of corresponding duty cycle according to this control command, thereby utilizes this PWM signal to adjust infrared transmitting tube's operating current to realize the fingerprint lock detection range, can adjust the detection range of fingerprint lock, improves and detects the precision, reduces the probability that the wrong report is alert appearing, and utilize the regulation to induction time to reduce the consumption of fingerprint lock, has prolonged fingerprint lock operating time, has satisfied user's demand.
Drawings
FIG. 1 is a diagram of a fingerprint lock according to an embodiment of the present invention;
fig. 2 is a circuit diagram of an embodiment of an infrared receiving circuit and an infrared transmitting circuit of the fingerprint lock of the present invention;
fig. 3 is an information transmission diagram of the fingerprint lock according to an embodiment of the present invention;
fig. 4 is a structural diagram of an embodiment of the fingerprint lock control system of the present invention.
In the figure: 1. a communication circuit; 2. an infrared emission circuit; 3. a control circuit; 4. an infrared receiving circuit; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; q1, a first switch tube; q2, second switch tube; c1, a first capacitance; c2, a second capacitor; c3, a third capacitance; IR1, infrared emitting tube; REC1, first infrared receiving head.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Referring to fig. 1-3, fig. 1 is a diagram illustrating an embodiment of a fingerprint lock according to the present invention; fig. 2 is a circuit diagram of an embodiment of an infrared receiving circuit and an infrared transmitting circuit of the fingerprint lock of the present invention; fig. 3 is an information transmission diagram of the fingerprint lock according to an embodiment of the present invention. The fingerprint lock of the present invention will be described in detail with reference to the accompanying drawings 1-3.
In this embodiment, the fingerprint lock includes a communication circuit 1, a control circuit 3, and an infrared emission circuit 2, where the control circuit 3 is connected to the communication circuit 1 and the infrared emission circuit 2, respectively; the control circuit 3 is in wireless connection with the intelligent terminal through the communication circuit 1 and receives control instructions sent by the intelligent terminal, wherein the control instructions comprise distance control instructions and induction time control instructions; the control circuit 3 sends PWM signals with corresponding duty ratios to the infrared transmitting circuit 2 according to the control instructions to control the infrared transmitting circuit 2 to adjust the working current of the infrared transmitting tube IR1, and the detection distance and the induction time of the fingerprint lock are changed.
In this embodiment, the communication circuit 1 is a WiFi circuit, and in other embodiments, the communication circuit 1 may also be a bluetooth circuit, an NFC circuit, or other wireless communication circuits 1.
In a specific embodiment, the control circuit 3 is an MCU controller, an IO of the MCU controller outputs a PWM signal with a corresponding duty ratio according to a received control instruction, and in other embodiments, the control circuit may also be an SOC, a single chip, a CPU, or other intelligent chips.
In this embodiment, the intelligent terminal is a mobile phone, and in other embodiments, the intelligent terminal may also be a computer, a tablet computer, a smart watch, or other intelligent devices capable of wirelessly connecting with the fingerprint lock and transmitting information.
In this embodiment, the intelligent terminal receives an input fingerprint control instruction through an application installed on the intelligent terminal, and transmits the control instruction to the fingerprint lock. In other embodiments, the intelligent terminal may also receive the fingerprint control instruction transmitted by another intelligent terminal, convert the fingerprint control instruction into a control instruction that can be recognized by the fingerprint lock, and transmit the control instruction to the fingerprint lock.
In the present embodiment, the infrared transmitting circuit 2 includes a first resistor R1, a first switch tube Q1, an infrared transmitting tube IR1, a fifth resistor R5, and a seventh resistor R7. The first end of the first resistor R1 is connected with the positive pole of the battery of the fingerprint lock, and the second end is connected with the positive pole of the infrared emission tube IR 1. The cathode of the infrared emission tube IR1 is connected to the drain of the first switch tube Q1, the source of the first switch tube Q1 is grounded, and the gate is connected to the first end of the fifth resistor R5 and the first end of the seventh resistor R7. The second terminal of the fifth resistor R5 is grounded, and the second terminal of the seventh resistor R7 is connected to the control circuit 3. The control circuit 3 inputs a PWM signal to the infrared transmitting circuit 2 through the fifth resistor R5 to control the magnitude of the operating current of the infrared transmitting tube IR 1.
In this embodiment, the fingerprint lock further includes an infrared receiving circuit 4, and the control circuit 3 is connected to the infrared receiving circuit 4, and receives the reflected infrared light signal through the infrared receiving circuit 4, and identifies the preset target according to the infrared light signal.
In this embodiment, the infrared receiving circuit 4 includes a sixth resistor R6, an eighth resistor R8, a second switch Q2, a third resistor R3, a first infrared receiving head REC1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth resistor R4, and a second resistor R2. The first end of the sixth resistor R6 is connected to the positive electrode of the battery, the second end is connected to the first end of the eighth resistor R8, the gate of the second switch Q2 is connected to the first end of the eighth resistor R8, and the source is connected to the positive electrode of the battery. A first end of the third resistor R3 is connected to the drain of the second switch Q2, and a second end is connected to the third port of the first infrared receiver REC 1. The first capacitor C1 and the third capacitor C3 are connected in parallel, and first ends of the first capacitor C1 and the third capacitor C3 are grounded, and a second end is connected with a second end of the third resistor R3. The second port of the first infrared receiving head REC1 is grounded, the first port is connected with the first end of the second capacitor C2, and the second end of the second capacitor C2 is grounded. The first end of the second resistor R2 is connected to the first end of the third resistor R3, and the second end is connected to the first end of the second capacitor C2. A first end of the fourth resistor R4 is connected to a second end of the second resistor R2, and a second end is connected to the control circuit 3. The received infrared light signal is sent to the control circuit 3 through the fourth resistor R4. The second end of the eighth resistor R8 is connected to the infrared light signal control port of the control circuit 3, and the control circuit 3 controls the magnitude of the transmitted infrared light signal through the eighth resistor R8.
In the above embodiment, the battery voltage of the fingerprint lock is 3.3V, the first switch Q1 is an N-channel fet, and the second switch Q2 is a P-channel fet.
In this embodiment, the fingerprint lock further comprises an alarm circuit, the alarm circuit is connected with the control circuit 3, when the control circuit 3 identifies a preset target according to the infrared light signal, the alarm circuit gives an alarm, and the communication circuit 1 is used for sending alarm information to the intelligent terminal.
In this embodiment, the alarm may be a speaker, an alarm bell, a flashlight, or other alarm device.
The fingerprint lock of the present application is further described below by way of its operation.
In a specific embodiment, the intelligent terminal is a mobile phone, the communication circuit 1 is a WiFi module, the control circuit 3 is an MCU controller, and the alarm circuit is an alarm module. The user sets the distance and the induction time that the fingerprint lock detected through APP by the cell-phone. The set control instruction is transmitted to the MCU controller through the WIFI module, the MCU controller outputs the current of the PWM signal control infrared transmitting tube IR1 with the corresponding duty ratio according to the received control instruction, the larger the PWM duty ratio is, the larger the infrared transmitting current is, the higher the induction sensitivity is, and the farther the detection distance is, so that the infrared detection distance is accurately controlled, and the probability of false triggering alarm is reduced.
The method for accurately controlling the infrared detection distance is flexible and convenient, and a user can set the sensitivity and the sensing time of infrared detection according to the use scene of the user. The mobile phone APP is provided with three-gear sensitivity which can be set, namely low, medium and high; when APP sets up infrared detection for low-grade sensitivity, after the MCU controller received the instruction through the WIFI module, the frequency of output all the way was 38KHz, and the duty cycle was the conducting state that the first switch tube Q1 was removed to the PWM signal of 30% to control infrared emission tube IR 1's operating current and maintain about 10 mA. Infrared detection distance is about 10cm this moment, and when someone stood in the door in 10cm, infrared light signal hit on the human body and reflect back the lock and be received by first infrared receiving head, and the MCU controller reads alarm instruction to alarm module after infrared receiving circuit 4's signal, and the alarm sounds, and the MCU controller sends alarm information to cell-phone APP through the WIFI module simultaneously and informs the user.
Similarly, when the APP sets the infrared detection to be the middle-level sensitivity, the MCU controller outputs a PWM signal with a frequency of 38KHz and a duty ratio of 60% to control the conduction state of the first switch tube Q1 after receiving an instruction through the WIFI module, so that the working current of the infrared transmitting tube IR1 is controlled to be maintained at about 15mA, and the infrared detection distance is about 20 cm; similarly, when APP sets up infrared detection for high-grade sensitivity, the MCU controller receives the instruction back through the WIFI module, and the frequency of output all the way is 38KHz, and the duty cycle is 90% PWM signal and goes to control the on-state of first switch tube Q1 to control infrared emission tube IR 1's operating current and maintain about 20mA, infrared detection distance is about 30cm this moment.
In addition, the user can also set up the opening and closing state of fingerprint lock infrared initiative detection through cell-phone APP, and the infrared induction time under the simultaneous opening state can be set up from 30s to 10 minutes. The user can flexibly set the on-off state, the sensitivity and the induction time of the infrared detection according to the own use scene. For example when the user waits at home for a long time, the user can close infrared initiative detection function to reduce the consumption of intelligent lock, when the user is not at home, can open infrared initiative detection function, can set up infrared detection's sensitivity and induction time according to specific time quantum simultaneously, can accurate control infrared detection distance like this, improve infrared detection's accuracy, reduce the probability of false trigger warning, can also reduce the complete machine consumption of intelligent lock simultaneously, thereby the duration of battery has been improved.
In the above embodiment, the control circuit 3 may further determine whether to start the active detection function according to a connection state with the smart terminal, and if the connection state with the smart terminal is possible, not start the active detection or set the sensitivity detection to the low level. If the connection cannot be carried out, the active detection is started, and the sensitivity is set to be in a middle-grade or a high-grade.
Has the advantages that: the utility model discloses a control command is sent to the fingerprint lock through intelligent terminal to the fingerprint lock, control circuit sends the PWM signal of corresponding duty cycle according to this control command, thereby the operating current who utilizes this PWM signal to adjust infrared transmitting tube realizes fingerprint lock detection range, can adjust the detection range of fingerprint lock, improve the detection precision, reduce the probability that the wrong report is alert appears, and utilize the consumption that has reduced the fingerprint lock to induction time's regulation, fingerprint lock operating time has been prolonged, user demand has been satisfied.
Based on the same inventive concept, the present invention further provides a fingerprint lock control system, please refer to fig. 4, where fig. 4 is a structural diagram of an embodiment of the fingerprint lock control system of the present invention. The fingerprint lock control system of the present invention will be specifically described with reference to fig. 4.
In this embodiment, the fingerprint lock control system includes an intelligent terminal and a fingerprint lock; the intelligent terminal is connected with the fingerprint lock and sends a control instruction to the fingerprint lock through the intelligent terminal; the fingerprint lock comprises the fingerprint lock according to the embodiment.
In this embodiment, the intelligent terminal may be a mobile phone, a tablet computer, a computer, or other devices capable of wirelessly connecting with the fingerprint lock and transmitting instructions.
Has the advantages that: the utility model discloses a fingerprint lock control system sends control command to the fingerprint lock through intelligent terminal, control circuit sends the PWM signal of corresponding duty cycle according to this control command, thereby utilize this PWM signal to adjust infrared transmitting tube's operating current to realize fingerprint lock detection range, can adjust the detection range of fingerprint lock, improve the detection precision, reduce the alert probability of wrong report, and utilize the consumption that has reduced the fingerprint lock to induction time's regulation, fingerprint lock operating time has been prolonged, user demand has been satisfied.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed devices, modules, and circuits may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the modules or partitions described are merely one logical division, and other divisions may be realized in practice, for example, multiple modules or modules may be combined or integrated with another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, devices or indirect coupling or communication connection, and may be in an electrical, mechanical or other form.
The components described as separate parts may or may not be physically separate, and the components shown may or may not be physically separate, may be located in one place, or may be distributed in a plurality of places. Some or all of them can be selected according to actual needs to achieve the purpose of the embodiment.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A fingerprint lock is characterized by comprising a communication circuit, a control circuit and an infrared emission circuit, wherein the control circuit is respectively connected with the communication circuit and the infrared emission circuit;
the control circuit is in wireless connection with the intelligent terminal through the communication circuit and receives a control instruction sent by the intelligent terminal, wherein the control instruction comprises a distance control instruction and an induction time control instruction;
and the control circuit sends PWM signals with corresponding duty ratios to the infrared emission circuit according to the control instructions so as to control the infrared emission circuit to adjust the working current of the infrared emission tube and change the detection distance and the induction time of the fingerprint lock.
2. The fingerprint lock of claim 1, further comprising an infrared receiving circuit, wherein the control circuit is connected to the infrared receiving circuit, receives the reflected infrared light signal through the infrared receiving circuit, and identifies the predetermined target according to the infrared light signal.
3. The fingerprint lock of claim 2, wherein the infrared receiving circuit comprises a first infrared receiving head, a third port of the first infrared receiving head is connected with a positive electrode of a battery of the fingerprint lock, a second port of the first infrared receiving head is connected with a ground, and the first port is connected with the control circuit and sends the reflected infrared light signal to the control circuit through the first port.
4. The fingerprint lock of claim 3, wherein the infrared receiving circuit comprises a first capacitor, a second capacitor, and a third capacitor, wherein a first terminal of the first capacitor and a first terminal of the third capacitor are connected to the third port, a second terminal of the first capacitor and a second terminal of the third capacitor are grounded, a first terminal of the second capacitor is connected to the first port, and a second terminal of the second capacitor is grounded.
5. The fingerprint lock of claim 4, wherein the infrared receiving circuit further comprises a second resistor, a third resistor, and a fourth resistor, wherein a first end of the second resistor and a first end of the third resistor are connected to the positive electrode of the battery, a second end of the third resistor is connected to the third port of the first infrared receiving head, a second end of the second resistor is connected to a first end of the fourth resistor, and a second end of the fourth resistor is connected to the control circuit.
6. The fingerprint lock according to claim 5, wherein the infrared receiving circuit comprises a second switch tube, a third resistor, a sixth resistor and an eighth resistor, a first end of the sixth resistor is connected with the positive pole of the battery, a second end of the sixth resistor is connected with a first end of the eighth resistor, a second end of the eighth resistor is connected with the control circuit, a gate of the second switch tube is connected with a second end of the sixth resistor, a source of the second switch tube is connected with the positive pole of the battery, and a drain of the second switch tube is connected with a first end of the third resistor.
7. The fingerprint lock of claim 2, further comprising an alarm circuit, wherein the alarm circuit is connected to the control circuit, and when the control circuit recognizes a preset target according to the infrared light signal, the control circuit alarms through the alarm circuit and sends alarm information to an intelligent terminal by using the communication circuit.
8. The fingerprint lock of claim 1, wherein the infrared transmitting circuit comprises an infrared transmitting tube and a first switch tube, an anode of the infrared transmitting tube is connected with an anode of a battery of the fingerprint lock, a cathode of the infrared transmitting tube is connected with a drain of the first switch tube, a source of the first switch tube is grounded, a gate of the first switch tube is connected with the control circuit, and the gate receives the PWM signal sent by the control circuit.
9. The fingerprint lock according to claim 8, wherein said infrared emission circuit further comprises a first resistor, a fifth resistor, and a seventh resistor, wherein a first end of said first resistor is connected to the positive terminal of said battery, a second end of said first resistor is connected to the positive terminal of said infrared emission tube, a first end of said fifth resistor is connected to the gate of said first switch tube, a second end of said fifth resistor is connected to said control circuit, a first end of said seventh resistor is connected to a second end of said fifth resistor, and a second end of said seventh resistor is grounded.
10. A fingerprint lock control system is characterized by comprising an intelligent terminal and a fingerprint lock;
the intelligent terminal is connected with the fingerprint lock and sends a control instruction to the fingerprint lock through the intelligent terminal;
the fingerprint lock comprises the fingerprint lock of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082649.3U CN210836252U (en) | 2019-11-26 | 2019-11-26 | Fingerprint lock and fingerprint lock control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082649.3U CN210836252U (en) | 2019-11-26 | 2019-11-26 | Fingerprint lock and fingerprint lock control system |
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| Publication Number | Publication Date |
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| CN210836252U true CN210836252U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922082649.3U Active CN210836252U (en) | 2019-11-26 | 2019-11-26 | Fingerprint lock and fingerprint lock control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114821863A (en) * | 2022-04-14 | 2022-07-29 | 杭州遁甲科技有限公司 | Intelligent door lock unlocking method and device |
-
2019
- 2019-11-26 CN CN201922082649.3U patent/CN210836252U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114821863A (en) * | 2022-04-14 | 2022-07-29 | 杭州遁甲科技有限公司 | Intelligent door lock unlocking method and device |
| CN114821863B (en) * | 2022-04-14 | 2023-10-17 | 杭州遁甲科技有限公司 | Intelligent door lock unlocking method and device |
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Address after: 511434 No.1 and No.2, Shihua Road, Hualong Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangdong haomadame smart home Co.,Ltd. Address before: No.1, No.2 highway, No.2, Panyu, Guangzhou Patentee before: GUANGDONG KELAINI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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