CN102720407A - Infrared light-operated coded lock - Google Patents
Infrared light-operated coded lock Download PDFInfo
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- CN102720407A CN102720407A CN2012102397365A CN201210239736A CN102720407A CN 102720407 A CN102720407 A CN 102720407A CN 2012102397365 A CN2012102397365 A CN 2012102397365A CN 201210239736 A CN201210239736 A CN 201210239736A CN 102720407 A CN102720407 A CN 102720407A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 71
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a lockset, in particular to an infrared light-operated coded lock. The infrared light-operated coded lock comprises a single-headed infrared light-operated emitter, a single-headed light-operated lock front plate, a single-headed light-operated lock rear plate and a single-headed light-operated lockset, wherein the invisible light beam emitted by the single-headed infrared light-operated emitter is transmitted to the single-headed light-operated lock front plate, and an interval with width equal to the thickness of an installing door is left between the single-headed light-operated lock front plate and the single-headed light-operated lock rear plate. The infrared light-operated coded lock has the beneficial effects of conducting data transmission by adopting optical fiber through a serial mode, improving the secrecy and damage prevention capability of the lock as the data receiving exposed part of the locket is extremely less, enhancing the data unpredictability and having extremely high security by adopting 24 non-repeated random cipher digits. In addition, more or less single-headed infrared light-operated emitters can be allowed to be operated, and the specific number is determined by memory capacity, so that the application range and purposes of the lock are expanded.
Description
Technical field
The present invention relates to a kind of lockset, relate in particular to a kind of infrared light control coded lock.
Background technology
Present more advanced in the world lockset; Like Fingerprint Lock, coded lock, cornea intelligence lock etc.; But all there is defective in the lock of above type: these locksets all have part internal organ (parts) to expose, at the outdoor electronic original part that just can touch above lockset; As long as and can just be damaged easily from the electronic original part lockset of direct contact lockset, destroyed the most important safety of lockset.This is on the market external, and coded lock generally needs the user to pass through button input password, and each key switch connects a device; But because the restriction of lockset size, often the number of password can not surpass 16, and password has been determined; Have only the unique correct password of input just can open lock; And password can not be changed, conversion, and still along with the raising of technology, this type of coded lock has satisfied not demand.
Summary of the invention
The present invention overcomes above-mentioned weak point; Purpose is to provide a kind of optical coded lock, and the control device of this optical coded lock has been implemented preferable embodiment, uses an optical fiber data receiver mouth; Thereby avoided from the possibility of outdoor destruction lockset internal organ; And adopt up to 24 unduplicated random cipher data, multiple unlocking cipher is provided, improved safety and range of application greatly.
The present invention achieves the above object through following technical scheme: the infrared light control coded lock comprises: single head infrared light control transmitter, the light-operated lock header board of single head, the light-operated lock of single head back plate, the light-operated lock lockset of single head; The invisible light beam of described single head infrared light control transmitter emission reaches the light-operated lock header board of single head; The light-operated lock header board of single head is connected through the front and rear panel communication cable with the light-operated lock of single head back plate, and the light-operated lock of single head back plate is connected through the lockset stube cable with the light-operated lock lockset of single head.There is the spacing that thickness gate is installed wide between the plate of the light-operated lock of light-operated lock header board of described single head and single head back.The code signal of described single head infrared light control transmitter emission is received by the light-operated lock header board of single head; The light-operated lock header board of single head is transferred to the light-operated lock of single head back plate with code signal and carries out the data contrast; According to the data comparing result, control the switch of the light-operated lock lockset of single head by the light-operated lock of single head back buttress.
Described single head infrared light control transmitter comprises: emitter data processor, emission control, infrared emission circuit, transmitter LED light circuit.Described emitter data processor is connected with emission control, infrared emission circuit, transmitter LED light circuit.Described emission control sends the signal of telecommunication and gives the emitter data processor, and emitter data processor control infrared emission circuit is through serial mode output password signal, the transmit mode of transmitter LED light circuit display password signal.
Described single head infrared light control transmitter also comprises: adapt decoding circuit, DLL, transmitter reset circuit.Described decoding circuit, DLL, the transmitter reset circuit adapted all is connected with the emitter data processor.Press adapt in the decoding circuit adapt code switch after, one group of new code signal is chosen, stored to the emitter data processor automatically, former door-opening password lost efficacy immediately.
The light-operated lock header board of described single head comprises: infrared receiving circuit, header board data microprocessor, header board connectivity port, buzzer control circuit, outer power supply circuits, filter circuit, header board reset circuit, header board output microprocessor programming port.Described header board data microprocessor is connected with infrared receiving circuit, header board connectivity port, buzzer control circuit, outer power supply circuits, filter circuit, header board reset circuit, header board output microprocessor programming port.Described infrared receiving circuit receives code signal, and passes to header board data microprocessor, and code signal passes to the light-operated lock of single head back plate through the header board connectivity port.
The light-operated lock header board of described single head also comprises TM card input circuit, and TM card input circuit is connected with header board data microprocessor.Described TM card input circuit reads the TM fixing has coding; With intrinsic coding transmission to header board data microprocessor; Header board data microprocessor is sent to the light-operated lock of single head back plate with coded data and carries out the data contrast; According to the data comparing result, control the switch of the light-operated lock lockset of single head by the light-operated lock of single head back buttress.
The light-operated lock of described single head back plate comprises: plate connectivity port, back, back plate data microprocessor, lockset motor-drive circuit, power circuit, speaker interface, battery voltage detection circuit, back sheet reset circuit, outer extension memory circuit, DLL circuit, voice operating circuit, control key circuit, LED display control circuit.Described back plate data microprocessor is connected with plate connectivity port, back, lockset motor-drive circuit, power circuit, speaker interface, battery voltage detection circuit, back sheet reset circuit, outer extension memory circuit, DLL circuit, voice operating circuit, control key circuit, LED display control circuit.Described power circuit is connected with speaker interface, lockset motor-drive circuit, battery voltage detection circuit, plate connectivity port, back.After plate connectivity port, described back received code signal, back plate data microprocessor compared the code signal that receives and all data groups that are stored in the outer extension memory circuit, according to the switch of the light-operated lock lockset of data comparing result control single head.
Described power circuit provides 6V dc source.
Beneficial effect of the present invention is: the present invention adopts optical fiber to carry out transfer of data through serial mode, and it is few that the data of lockset receive exposed parts, has improved the confidentiality and the survivability of lock; And adopt 24 unduplicated random ciphers numerals, what make data can not the property guessed enhancing, has high safety.In addition, the number of the single head infrared light control transmitter that the present invention allows to operate is the amount doesn't matter, and concrete quantity is determined by memory size, has enlarged the range of application and the purposes of lock.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of single head infrared light control transmitter;
Fig. 3 is the structural representation of the light-operated lock header board of single head;
Fig. 4 is the structural representation of the light-operated lock of single head back plate;
Fig. 5 is the circuit theory diagrams of Fig. 2;
Fig. 6 is the circuit theory diagrams of Fig. 3;
Fig. 7 is the circuit theory diagrams of Fig. 4;
Among the figure: 1, adapt decoding circuit; 2, DLL; 3, transmitter reset circuit; 4, emitter data processor; 5, infrared emission circuit; 6, emission control; 7, transmitter LED light circuit; 8, TM card input circuit; 9, buzzer control circuit; 10, infrared receiving circuit; 11, header board data microprocessor; 12, header board connectivity port; 13, outer power supply circuits; 14, filter circuit; 15, header board reset circuit; 16, header board output microprocessor programming port; 17, power circuit; 18, speaker interface; 19, lockset motor-drive circuit; 20, battery voltage detection circuit; 21, plate connectivity port, back; 22, back plate data microprocessor; 23, back sheet reset circuit; 24, outer extension memory circuit; 25, DLL circuit; 26, voice operating circuit; 27, control key circuit; 28, LED display control circuit.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Embodiment 1: as shown in the figure, the infrared light control coded lock comprises: single head infrared light control transmitter, the light-operated lock header board of single head, the light-operated lock of single head back plate, the light-operated lock lockset of single head; The invisible light beam of described single head infrared light control transmitter emission reaches the light-operated lock header board of single head; The light-operated lock header board of single head is connected through the front and rear panel communication cable with the light-operated lock of single head back plate, and the light-operated lock of single head back plate is connected through the lockset stube cable with the light-operated lock lockset of single head.There is the spacing that thickness gate is installed wide between the plate of the light-operated lock of light-operated lock header board of described single head and single head back.The code signal of described single head infrared light control transmitter emission is received by the light-operated lock header board of single head; The light-operated lock header board of single head is transferred to the light-operated lock of single head back plate with code signal and carries out the data contrast; The one group data interior with being stored in the light-operated lock of single head back plate as if code signal are identical; Then the light-operated lock lockset of single head receives the enabling signal of the light-operated lock of single head back plate and opens the door, if all inequality with all data groups, the light-operated lock lockset of single head receives and keeps closing gate signal and keep closing the door action.
Described single head infrared light control transmitter comprises: adapt decoding circuit 1, DLL 2, transmitter reset circuit 3, emitter data processor 4, emission control 6, infrared emission circuit 5, transmitter LED light circuit 7.Described emitter data processor 4 with adapt decoding circuit 1, DLL 2, transmitter reset circuit 3, emission control 6, infrared emission circuit 5, transmitter LED light circuit 7 is connected.
The light-operated lock header board of described single head comprises: infrared receiving circuit 10, header board data microprocessor 11, header board connectivity port 12, TM card input circuit 8, buzzer control circuit 9, outer power supply circuits 13, filter circuit 14, header board reset circuit 15, header board output microprocessor programming port 16.Described header board data microprocessor 11 is connected with infrared receiving circuit 10, header board connectivity port 12, TM card input circuit 8, buzzer control circuit 9, outer power supply circuits 13, filter circuit 14, header board reset circuit 15, header board output microprocessor programming port 16.
The light-operated lock of described single head back plate comprises: plate connectivity port, back 21, back plate data microprocessor 22, lockset motor-drive circuit 19, power circuit 17, speaker interface 18, battery voltage detection circuit 20, back sheet reset circuit 23, outer extension memory circuit 24, DLL circuit 25, voice operating circuit 26, control key circuit 27, LED display control circuit 28.Described back plate data microprocessor 22 is connected with plate connectivity port, back 21, lockset motor-drive circuit 19, power circuit 17, speaker interface 18, battery voltage detection circuit 20, back sheet reset circuit 23, outer extension memory circuit 24, DLL circuit 25, voice operating circuit 26, control key circuit 27, LED display control circuit 28.Described power circuit 17 is connected with speaker interface 18, lockset motor-drive circuit 19, battery voltage detection circuit 20, plate connectivity port, back 21.
Concrete operating principle:
1. adapt decoding circuit: after pressing emission key, press and change a yard key, emitter data processor 4 will be selected 1 group of door-opening password at random, and the door-opening password of originally selecting at random will lose efficacy immediately.
2. DLL: this interface is the SCM program programmer writes an interface from programming code to emitter data processor 4.
3. transmitter reset circuit: emitter data processor 4 electrify restoration circuits.
4. emitter data processor: this circuit is the processing center of single head infrared light control transmitter input and output data.
5. infrared emission circuit: the door-opening password circuit are sent in 4 controls of emitter data processor.
6. emission control: activate infrared emission circuit 5.
7. transmitter LED light control circuit: the indicator light circuit of this circuit when revising door-opening password, in changing yard process, to extinguish after the LED flicker for several times, expression is revised door-opening password and is accomplished.
8. TM card input circuit: subsequent use TM card data input circuit.
9. buzzer control circuit: this circuit is the light-operated input door-opening password prompting phonation circuit that finishes.
10. infrared receiving circuit: optically-controlled signal input and signal changing voltage passage.
11. header board data microprocessor: this circuit is the processing center of header board data.
12. header board connectivity port: this port is forward and backward plate power supply, signal connection end mouth.
13. outer power supply circuits; After infrared light control coded lock internal electric source lost efficacy, the interface circuit of external power source is provided.
14. filter circuit: header board power filter and anti-high-frequency interferencing circuit.
15. header board reset circuit; Header board data microprocessor 11 electrification resets and emergency reset circuit.
16. header board data microprocessor programming port: header board data microprocessor 11 writes the control program external-connected port.
17. power circuit: forward and backward plate power circuit.
18. speaker interface: external loudspeaker connectivity port.
19. lockset motor-drive circuit: the drive circuit of the light-operated lock lockset of single head.
20. battery voltage detection circuit: the operational voltage value of monitoring current lockset battery.
21. back plate connectivity port: forward and backward plate power supply, signal connect.
22. back plate data microprocessor: the processing center of back plate data.
23. back sheet reset circuit: back plate data microprocessor 22 electrification resets.
24. outer extension memory circuit: preserve light-operated lock door-opening password input data.
25. DLL circuit: back plate data microprocessor 22 write operation program ports.
26. voice operating circuit: infrared light control coded lock duty voice suggestion control.
27. control key circuit: the infrared light control coded lock automatically/semi-automatic, add door-opening password, initialization key control.
28. LCD display control circuit: the duty and the signal controlling that show the infrared light control coded lock.
Workflow:
1) single head infrared light control transmitter is aimed at the monochromatic light hole receive path built-in fiber in the infrared receiving circuit 5, press emission control 6, the power supply of single head infrared light control transmitter is connected transmitter circuit board, and emitter data processor 4 brings into operation.Plug-in will be stored in 24 door-opening password taking-ups that the user in emitter data processor 4 memory storage has chosen; The luminous tube that uses the serial mode big-endian to control successively in the transmitter LED light circuit 7 is luminous; And through infrared emission circuit 5 output door-opening password, the infrared receiving circuit of the light-operated lock header board of single head 5 receives door-opening password.
2) after header board data microprocessor 11 receives the leading instruction of door-opening password through the header board photosensitive receiving tube in the infrared receiving circuit 10; Begin to receive 24 door-opening password that single head infrared light control transmitter sends; 24 door-opening password information that will receive through the front and rear panel communication cable send back plate data microprocessor 22 to, so that make further data.
3) after the light-operated lock back of single head plate receives the door-opening password data that the light-operated lock header board of single head sends, all door-opening password that also have been kept in the outer extension memory circuit 24 that 24 door-opening password that back plate data microprocessor 22 will receive and user have chosen are compared by turn.If 24 door-opening password of input all are identical with every the password that is stored in one group of door-opening password in all door-opening password in the outer extension memory circuit 24; Back plate data microprocessor 22 will be controlled lockset switch gate control motor 19 and make the action of opening the door; And control voice operating circuit 26 sends " opening the door " voice, the liquid crystal display of LED display control circuit 28 demonstration simultaneously: " opening the door ";
4) if the door-opening password of input be kept at password comparison in the outer extension memory circuit 24 neither one as a result be identical; Back plate data microprocessor 22 will be controlled lockset switch gate control motor 12 and keep the state of closing the door; And control voice operating circuit 26 sends " mistake " voice suggestion, the liquid crystal display of LED display control circuit 28 demonstration simultaneously: " mistake ".
The user can also change unlock code through single head infrared light control transmitter: that presses single head infrared light control transmitter afterbody adapts decoding circuit more than 12 seconds, adapts decoding circuit 1 work that is activated, and just can change the door-opening password of single head infrared light control transmitter.After the unlocking cipher change; This moment is if press the initialization key of control in the key circuit 27 after 5 seconds; The light-operated lock of single head back plate system will get into init state automatically, will change the single head infrared light control transmitter of password this moment and aim at infrared receiving circuit 10, press emission control 6 again; Password after back plate data microprocessor 22 can will be changed is kept in the outer extension memory circuit 24, as the comparison other of door-opening password next time.After this, add Password Operations as no longer carrying out other, the light-operated lock of single head back plate system delay will withdraw from init state after 15 seconds automatically, promptly accomplish the preservation operation of new password.
When accident takes place, header board data microprocessor 11 is disturbed and can't operate as normal the time, presses reset key and activate transmitter reset circuit 3, handles the 11 temporary disablers of header board data microprocessor, makes it recover operate as normal.
If the power supply low pressure of infrared light control coded lock is low excessively, can cause can't normal door, and this moment, outer power supply circuits 13 provided interim power supply, support infrared light control coded lock normal door.
In addition; The TM card input circuit 8 of setting of the present invention reads the intrinsic coding (64) in the TM card; And send intrinsic coding to header board data microprocessor 11; Header board data microprocessor 11 is sent to back plate data microprocessor 22 processings of comparing through the front and rear panel communication cable with intrinsic coding, fixes to have and encodes identically if the TM of input fixes coding being arranged and be stored in certain 1 TM in the outer extension memory circuit 24, and the light-operated lock lockset of single head carries out opening door operation; If comparison result does not have identical TM to fix coding is arranged, then the light-operated lock lockset of single head will not carry out opening door operation.
Above said be specific embodiment of the present invention and the know-why used, if the change of doing according to conception of the present invention, when the function that it produced does not exceed spiritual that manual and accompanying drawing contain yet, must belong to protection scope of the present invention.
Claims (7)
1. the infrared light control coded lock is characterized in that comprising: single head infrared light control transmitter, the light-operated lock header board of single head, the light-operated lock of single head back plate, the light-operated lock lockset of single head; The invisible light beam of described single head infrared light control transmitter emission reaches the light-operated lock header board of single head; The light-operated lock header board of single head is connected through the front and rear panel communication cable with the light-operated lock of single head back plate, and the light-operated lock of single head back plate is connected through the lockset stube cable with the light-operated lock lockset of single head; There is the spacing that thickness gate is installed wide between the plate of the light-operated lock of light-operated lock header board of described single head and single head back; The code signal of described single head infrared light control transmitter emission is received by the light-operated lock header board of single head; The light-operated lock header board of single head is transferred to the light-operated lock of single head back plate with code signal and carries out the data contrast; According to the data comparing result, control the switch of the light-operated lock lockset of single head by the light-operated lock of single head back buttress.
2. infrared light control coded lock according to claim 1 is characterized in that described single head infrared light control transmitter comprises: emitter data processor (4), emission control (6), infrared emission circuit (5), transmitter LED light circuit (7); Described emitter data processor (4) is connected with emission control (6), infrared emission circuit (5), transmitter LED light circuit (7); Described emission control (6) sends the signal of telecommunication and gives emitter data processor (4); Emitter data processor (4) control infrared emission circuit (5) is through serial mode output password signal, the transmit mode of transmitter LED light circuit (7) display password signal.
3. infrared light control coded lock according to claim 2 is characterized in that described single head infrared light control transmitter also comprises: adapt decoding circuit (1), DLL (2), transmitter reset circuit (3); Described decoding circuit (1), DLL (2), the transmitter reset circuit (3) adapted all is connected with emitter data processor (4); Press described adapt in the decoding circuit (1) adapt code switch after, one group of new code signal is chosen, stored to emitter data processor (4) automatically, former door-opening password lost efficacy immediately.
4. according to claim 1 or 3 described infrared light control coded locks, it is characterized in that the light-operated lock header board of described single head comprises: infrared receiving circuit (10), header board data microprocessor (11), header board connectivity port (12), buzzer control circuit (9), outer power supply circuits (13), filter circuit (14), header board reset circuit (15), header board output microprocessor programming port (16); Described header board data microprocessor (11) is connected with infrared receiving circuit (10), header board connectivity port (12), buzzer control circuit (9), outer power supply circuits (13), filter circuit (14), header board reset circuit (15), header board output microprocessor programming port (16); Described infrared receiving circuit (10) receives code signal, and passes to header board data microprocessor (11), and code signal passes to the light-operated lock of single head back plate through header board connectivity port (12).
5. infrared light control coded lock according to claim 4 is characterized in that the light-operated lock header board of described single head also comprises TM card input circuit (8), and TM card input circuit (8) is connected with header board data microprocessor (11); Described TM card input circuit (8) reads the TM fixing has coding; With intrinsic coding transmission to header board data microprocessors (11); Header board data microprocessor (11) is sent to the light-operated lock of single head back plate with intrinsic coding and carries out the data contrast; According to the data comparing result, control the switch of the light-operated lock lockset of single head by the light-operated lock of single head back buttress.
6. according to claim 1 or 5 described infrared light control coded locks, it is characterized in that the light-operated lock of described single head back plate comprises: plate connectivity port (21), back, back plate data microprocessors (22), lockset motor-drive circuit (19), power circuit (17), speaker interface (18), battery voltage detection circuit (20), back sheet reset circuit (23), outer extension memory circuit (24), DLL circuit (25), voice operating circuit (26), control key circuit (27), LED display control circuit (28); Described back plate data microprocessors (22) are connected with plate connectivity port (21), back, lockset motor-drive circuit (19), power circuit (17), speaker interface (18), battery voltage detection circuit (20), back sheet reset circuit (23), outer extension memory circuit (24), DLL circuit (25), voice operating circuit (26), control key circuit (27), LED display control circuit (28); Described power circuit (17) is connected with speaker interface (18), lockset motor-drive circuit (19), battery voltage detection circuit (20), plate connectivity port, back (21); After described plate connectivity port, back (21) receives code signal; Back plate data microprocessor (22) compares the code signal that receives and all data groups that are stored in the outer extension memory circuit (24), according to the switch of the light-operated lock lockset of data comparing result control single head.
7. infrared light control coded lock according to claim 6 is characterized in that described power circuit (17) provides 6V dc source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210239736.5A CN102720407B (en) | 2012-07-12 | 2012-07-12 | Infrared light-operated coded lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210239736.5A CN102720407B (en) | 2012-07-12 | 2012-07-12 | Infrared light-operated coded lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720407A true CN102720407A (en) | 2012-10-10 |
| CN102720407B CN102720407B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210239736.5A Expired - Fee Related CN102720407B (en) | 2012-07-12 | 2012-07-12 | Infrared light-operated coded lock |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310512A (en) * | 2013-05-31 | 2013-09-18 | 苏州市职业大学 | Infrared remote control coded lock based on STC89C52 single chip microprocessor control |
| CN106204831A (en) * | 2016-07-04 | 2016-12-07 | 昆明理工大学 | A kind of electronic door lock system |
| CN107784716A (en) * | 2016-08-31 | 2018-03-09 | 江苏邦融微电子有限公司 | Electric lockset pick-proof protection circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04336185A (en) * | 1991-05-13 | 1992-11-24 | Alps Electric Co Ltd | Transmitter receiver |
| CN102052007A (en) * | 2010-12-02 | 2011-05-11 | 吴斐 | An electronic door lock automatic power connection device |
| CN102080474A (en) * | 2011-01-13 | 2011-06-01 | 南昌大学 | Intelligent door lock switch |
| CN202324876U (en) * | 2011-11-11 | 2012-07-11 | 栗疏桐 | Door lock capable of being remotely controlled |
-
2012
- 2012-07-12 CN CN201210239736.5A patent/CN102720407B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04336185A (en) * | 1991-05-13 | 1992-11-24 | Alps Electric Co Ltd | Transmitter receiver |
| CN102052007A (en) * | 2010-12-02 | 2011-05-11 | 吴斐 | An electronic door lock automatic power connection device |
| CN102080474A (en) * | 2011-01-13 | 2011-06-01 | 南昌大学 | Intelligent door lock switch |
| CN202324876U (en) * | 2011-11-11 | 2012-07-11 | 栗疏桐 | Door lock capable of being remotely controlled |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310512A (en) * | 2013-05-31 | 2013-09-18 | 苏州市职业大学 | Infrared remote control coded lock based on STC89C52 single chip microprocessor control |
| CN106204831A (en) * | 2016-07-04 | 2016-12-07 | 昆明理工大学 | A kind of electronic door lock system |
| CN107784716A (en) * | 2016-08-31 | 2018-03-09 | 江苏邦融微电子有限公司 | Electric lockset pick-proof protection circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102720407B (en) | 2014-08-06 |
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