CN1191421A - Remote control device using wireless cipher - Google Patents
Remote control device using wireless cipher Download PDFInfo
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- CN1191421A CN1191421A CN97108831A CN97108831A CN1191421A CN 1191421 A CN1191421 A CN 1191421A CN 97108831 A CN97108831 A CN 97108831A CN 97108831 A CN97108831 A CN 97108831A CN 1191421 A CN1191421 A CN 1191421A
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Abstract
A wireless cipher remote controller is composed of remote-control transmitter, remote-control receiver, execution mechanism and power supply. A stored or typed unlocking DTMF cipher is emitted in FM mode by remote-control transmitter, and then received by high-frequency receiving unit in remote-control receiver where it is decoded in DTMF mode and decoded again. If received cipher is matched with a setting, execution mechanism is driven, or not an alarm is sent. It is suitable for digital cipher locks.
Description
The present invention relates to the electronic security technology, be specifically related to utilize the numerical ciphers remote control of digital coding, wireless transmit-receive technology, more particularly, relate to a kind of wireless remote control that utilizes that can be used for different occasions and realize the remote control device using wireless cipher of cipher memory, transmission, check and control executing mechanism action.
In existing electronic lock technical field, the employing contact control that has is as keying formula, electronics plug-in card key formula; The employing infra-red remote control, the ultra-sonic remote control mode that have are controlled and are opened lockset, but reception is had particular requirement.Regardless of any prior art, mainly contain the defective of following aspect: the fail safe of (1) lockset is not high: the locking device of keying formula, electronics plug-in card key formula, infra-red remote control formula all has component exposed outdoors, and is destroyed easily; (2) the key convenience is not high, and key of present electronic lock can only be driven a lock, when the user has more lock, just needs a plurality of keys, and is unfavorable to conveniently preserving, carry and operating; (3) the key convertibility is poor, and when the user loses key, method is not unblanked temporarily easily, if no standby key, the preparation key is difficulty relatively, and behind the loss key, the secret and safe of this lockset decreases; (4) the password quantity of electronic password lock is big inadequately, and the group/cording quantity of present most coded locks has only millions of kinds, and confidentiality is not high enough; Need key feeding cipher on keyboard when (5) the existing password lock is unblanked, may be spied on other person, level security is greatly affected; (6) present electric control lock device adopts single power supply more, and in the unwarrantable occasion of alternating current, its functional reliability can be affected thereupon; (7) controller that has adopts mechanical switch, and its security reliability is difficult to guarantee.
The object of the present invention is to provide a kind of remote control device using wireless cipher, this remote control device using wireless cipher can overcome the above-mentioned shortcoming of prior art, not to be subjected to wireless (radio frequency) remote control mode control executing mechanism of directivity, ensure that there is higher reliability in actuator, guarantee the flexible and convenience in the use simultaneously, and overcome the deficiency that prior art needs artificial memory's password, remote-controlled transmitter self possesses the function of storage password, can store a plurality of passwords that are set by the user, thereby guarantee its confidentiality, promptly when guaranteeing secret and safe, have good flexibility.
Another object of the present invention is to provide a kind of remote control device using wireless cipher, can when having alternating current, normally not use.
Another object of the present invention is to provide a kind of remote control device using wireless cipher, when receiving bad password, can produce audible alarm.
Another object of the present invention is to provide a kind of remote control device using wireless cipher, described unlocking cipher can and be changed by the keyboard input, thereby has improved the safe handling that remote-controlled transmitter is lost the back system.
Another object of the present invention is to provide a kind of remote control device using wireless cipher, can realize that a remote-controlled transmitter sends the password of a plurality of receivers of remote-control sytem, realize driving many locks as a key.
Another object of the present invention is to provide a kind of remote control device using wireless cipher, it can be used on the electric control lock, and makes lock body do improvement on the basis of traditional structure, and the pick-proof ability is improved greatly.
Another object of the present invention is to provide a kind of remote control device using wireless cipher, adopt electronic switch to drive actuator, switch reliability and action response speed are improved.
The object of the present invention is achieved like this, construct a kind of remote control device using wireless cipher, by remote-controlled transmitter 1, receiver of remote-control sytem 2 and actuator 3 form, it is characterized in that, but the password that described remote-controlled transmitter 1 button input is made up of string number, and can store a plurality of passwords, also can access password being stored and send in the wireless frequency modulation mode, numerical ciphers can be imported and store to described receiver of remote-control sytem 2, and can receive by the code signal of described remote-controlled transmitter 1 transmission and with its decoding, and itself and the password of storing can be compared, when password is consistent, actuator 3 is carried out control actions, described remote-controlled transmitter 1 storage with modulated signals be the digital signal of DTMF form.
According to remote control device using wireless cipher provided by the invention, it is characterized in that: also comprise power unit 4 to described receiver of remote-control sytem 2 and actuator's 3 power supplies, described receiver of remote-control sytem 2 comprises high frequency receiving element 21, input connects the decoding unit 22 of described high frequency receiving element 21 outputs, the secondary decoding unit 23 that secondary is deciphered is carried out in described DTMF decoding unit 22 outputs, input is connected the signal conversion unit 24 of described secondary decoding unit 23 outputs, there is an input to be connected to described signal conversion unit 24 outputs, another input is connected to the password setting comparing unit 27 of keyboard input unit 25 outputs, an output of described password setting comparing unit 27 is connected to the input of audible alarm output unit 26, another output is connected to the input of drive signal output unit 28, and the output of described drive signal output unit 28 is connected to the movement device (as electromagnet or motor) in the described actuator 3.
According to remote control device using wireless cipher provided by the invention, it is characterized in that, described actuator 3 is can be by the electric control lock of receiver of remote-control sytem 2 control unlatchings, this electric control lock 3 comprises the snap close 31 that is installed in the mobile, can cooperate and be installed in the automatically controlled lock body 32 on the fixture with described snap close 31, also be provided with artificial Unlocking knob 33 on the described automatically controlled lock body 32, lock 34 be housed in described snap close 31 sides.
According to remote control device using wireless cipher provided by the invention, it is characterized in that, described remote-controlled transmitter 1 comprises an etwee body 11, be arranged on the key groups 12 on the described etwee body 11 and be located at circuit part in the described etwee body 11, this circuit part comprises the dtmf code unit 13 that is connected with described key groups 12, the wireless frequency modulation transmitter unit 14 that connects described dtmf code unit 13 outputs, and the miniature transmitting antenna 15 that is connected with described frequency modulation transmitter unit 14 outputs, this antenna 15 is made of the chain on the etwee 11, and described dtmf code unit 13 is that 10 or the special-purpose dtmf code IC of odd encoder memory function are more arranged.
According to remote control device using wireless cipher provided by the invention, it is characterized in that, described receiver of remote-control sytem 2 is provided with power supply indicator, the indicator light of unblanking, indicator light when reporting to the police indication and setting code, password setting input small keyboard 25 in the described receiver of remote-control sytem 2 comprise " 1 ", " 2 " ... " 9 ", " 0 ", " K " and buttons such as " M ", the key zone of described keypad 25 also are provided with closeable storehouse lid 201.
According to remote control device using wireless cipher provided by the invention, it is characterized in that, when described power unit 4 comprises the storage battery that when outage uses and civil power is arranged with alternating current and to charge in batteries and when the no civil power circuit part of control use storage battery, described circuit part comprises: step-down transformer T, the whole crossover Br that is connected with transformer secondary output, be connected across the three-terminal voltage regulator LM338 of rectification bridge output end, output at described three-terminal voltage regulator, be formed with three branch roads, first branch road is connected to three-terminal voltage-stabilizing element L7806 pressurizer through diode D4, and obtains the power supply of DC6V at its output; The direct powering load of second branch road; The 3rd branch road comprises and is connected to storage battery and to the diode D3 of its charging, is that the negative pole of the negative pole of diode D3 and diode D4 is also to be connected with diode D5 between the input of three-terminal voltage-stabilizing element in the charging input end of storage battery.
According to remote control device using wireless cipher provided by the invention, it is characterized in that described audible alarm output unit 26 comprises alarm signal generating unit IC8 and amplifying triode Q2 and loud speaker Y.
According to remote control device using wireless cipher provided by the invention, it is characterized in that, described DTMF decoding unit 22 is made up of the DTMF decoding IC2 that the dtmf signal that will demodulate is decoded as tetrad sign indicating number (binary-coded decimal) signal, described secondary decoding unit 23 comprises 4 and latchs/and 4 lines change the decoding IC3 of 16 lines, and described signal conversion unit 24 comprises three electronic switches (IC4-6) that are used for 16 system digital signals are converted to ranks combinatorial matrix input signal.
According to remote control device using wireless cipher provided by the invention, it is characterized in that described password setting comparing unit 27 comprises that one has 1) the keyboard password setting; 2) receive the simulating keyboard input signal; 3) with the analog signal that receives be provided with that password compares and carry out the application-specific integrated circuit 7 of corresponding actions function.
According to remote control device using wireless cipher provided by the invention, it is characterized in that the drive signal output unit 28 of described connection and driving actuator 3 comprises amplifying triode Q3, action indicator LED2, switching tube Q4 etc.
Implement remote control device using wireless cipher provided by the invention, have following outstanding advantage: 1) because remote-controlled transmitter can adopt the dialing integrated circuit, self possess the function of storage password, storage password number can reach 10-15; 2) owing to adopt radio digital communication mode control executing mechanism, unblank, not limited by directivity, and do not have any parts and expose, improved the fail safe of lock outdoors as control; 3) because lock body adopts the anti-structural design of pushing aside, the fail safe that improves lock body with the method for succinct innovation; 4) since remote control 1,000,000,000 groups of passwords are arranged, be set by the user fully, change easy, strong security; 5) password that sends of remote-controlled transmitter (being equivalent to the key of unblanking) is also set by user oneself, and versatility is good, as long as know password, a remote-controlled transmitter (key of unblanking) be may command all use the device of this kind lock; 6) after the user loses key, as long as the user buys key separately, key feeding cipher can be opened lock, and the password of the lock of change loss key can recover this height of devices confidentiality then, needn't be forced to change a whole set of locking device because of losing key; 7) this device power supply adopts dual power supply: exchanging changes direct current and backup battery power supply, use the backup battery power supply when mains failure then automaticallyes switch, battery adopts the suspension charging modes, when cell voltage is not enough, at any time to battery charge, its voltage is supplemented to nominal level; 8) the inner electronic switch that uses of receiver of remote-control sytem, the reliability height, action is fast; 9) password input three times is not right, and promptly output alarm signal improves alert capability.
In conjunction with the accompanying drawings and embodiments, further specify characteristics of the present invention, in the accompanying drawing:
Fig. 1 is the integrally-built schematic diagram of expression remote control device using wireless cipher of the present invention.
Fig. 2 is the circuit theory diagrams of remote-controlled transmitter 1 (key) in the remote control device using wireless cipher of the present invention.
Fig. 3 is the surface structure schematic diagram of remote-controlled transmitter 1 in the remote control device using wireless cipher of the present invention.
Fig. 4 is the circuit theory diagrams of receiver of remote-control sytem in the remote control device using wireless cipher of the present invention.
Fig. 5 is supervisory keyboard and the indicator light circuit theory diagrams partly that are connected with receiver of remote-control sytem circuit among Fig. 4.
Fig. 6 is the structural representation of actuator's 3 lock body parts in the remote control device using wireless cipher of the present invention.
Fig. 7 is the circuit theory diagrams of power unit 4 in the remote control device using wireless cipher of the present invention.
In Fig. 1, an embodiment according to remote control device using wireless cipher provided by the invention comprises: miniature remote controlled transmitter 1 (key), receiver of remote-control sytem 2, actuator 3, power unit 4, wherein, miniature remote controlled transmitter 1 (key) is an independent portable etui, and its function comprises: 1) be provided with and 10 (unblanking or other control actions) passwords of being made up of string number of memory storage; 2) take out a wherein password of storage, and launch, open the lock (being equivalent to actuator) that password is consistent with wireless mode; 3) on-the-spot keyboard is imported password and is launched, thereby opens corresponding lock, and its circuit and outward appearance are seen Fig. 2 and Fig. 3.Receiver of remote-control sytem 2 comprises high frequency receiving element 21, decoding unit 22, secondary decoding unit 23, signal conversion unit 24, keyboard input unit 25, audible alarm output unit 26, password setting comparing unit 27, drive signal output unit 28.Wherein, high frequency receiving element 21 is used for receiving the DTMF radiofrequency signal of being sent by miniature remote controlled transmitter (key) 1 through the frequency modulation modulation by antenna, decoding unit 22 is used for the dtmf signal of receiving element 21 outputs is decoded as digital signal, secondary decoding unit 23, signal conversion unit 24 is used for the digital signal of 16 systems is converted to ranks combinatorial matrix input signal, to be fit to the signal input requirement of password setting comparing unit 27. keyboard input unit 25 is used to receive and is used for the password setting imported from keyboard, audible alarm output unit 26 is used for when the password input error, produce alarm sound, whether password setting comparing unit 27 is used for comparison identical with the password that presets from the numeral of signal conversion unit 24, if password unanimity, export an electric impulse signal to drive signal output unit 28, produce the signal of telecommunication that is enough to drive electromagnet in actuator's electric control lock 3 or motor by this unit, realize the unlatching of door.Said power unit 4 comprises storage battery and uninterrupted power supply two parts.Under normal circumstances, by AC-powered, only when taking place to have a power failure, just by storage battery power supply.
Now, respectively various piece is described as follows: 1. miniature remote controlled transmitter (key) 1 in conjunction with other accompanying drawing
The electrical schematic diagram of miniature remote controlled transmitter 1 (key) is seen Fig. 2, and structure situation is seen Fig. 3.From scheming as seen, it comprises an etwee body 11, is arranged on the key groups 12 on the described etwee body 11 and is located at the interior circuit part of described etwee body, this circuit part comprises the dtmf code unit (IC1) 13 that is connected with described key groups, the radio frequency modulation transmitter unit 14 (IC2) that connects described dtmf code unit 13 outputs, and the miniature transmitting antenna 15 that is connected with described frequency modulation transmitter unit 14 outputs, be equivalent to connect the chain (Fig. 3) of etwee body.Constitute dtmf code unit 13 by dtmf code IC1 (with the function of 10 number storage) and peripheral cell, constitute radio frequency modulation transmitter unit 14 by radio frequency modulation emission IC2 and peripheral cell, antenna 15 is miniature transmitting antenna ATN1, described key groups 12 is matrix button keyboards, control logic respectively by row and column form 4 * 4 matrixes (wherein select 14 keys for use, " * " reach " D " two keys need not).Its operation principle is described as follows: i. whenever presses next button on the keyboard 12 of remote controller, dtmf signal of output pin output of IC1, be coupled to the input of IC2 through C6, IC2 with the dtmf signal that receives modulate, after the various circuit runnings such as amplification, through antenna ATN1 (15) outwards emission by the FM signal of dtmf signal modulation.Ii. after sending key by next one storage on the keyboard 12 of remote controller, antenna ATN1 outwards emission by the FM signal of a string dtmf signal modulation.This minitype portable remote controller is equivalent to a universal electrical key.2. receiver of remote-control sytem
The circuit of receiver of remote-control sytem 2 comprises the part shown in Fig. 4 and Fig. 5.As seen from Figure 4, it comprises reception antenna 20, the radio frequency that is connected with antenna 20 amplifies, demodulating unit 21, the DTMF decoding unit 22 that is connected with these amplification demodulating unit 21 outputs, and be connected with decoding unit 22 outputs and latch/secondary decoding unit 23, be connected the signal conversion unit 24 on described latching/secondary decoding unit 23 outputs, be connected the password setting comparing unit 27 of signal conversion unit 24 outputs, input is connected the drive signal output unit 28 of password setting comparing unit 27 outputs, and described password setting comparing unit 27 also is connected with keyboard input unit 25 and audible alarm output unit 26.Wherein the circuit part of keyboard input unit 25 can be referring to accompanying drawing 5.The output signal of said drive signal output unit 28 is connected to electromagnet or the motor in the automatically controlled lock body 3 of actuator.
The operation principle of receiver of remote-control sytem 2 is summarized as follows: the FM signal of being sent by remote-controlled transmitter (key) 1 that (1) antenna ATN2 (20) receives, be input to the radio frequency amplifying unit 21 that constitutes by IC1 through the C12 coupling, amplification through IC1 inside, various circuit runnings such as demodulation are after the C15 coupling is input to the DTMF decoding unit 22 that is made of DTMF decoder IC2, after the various circuit runnings through IC2 inside, dtmf signal is translated into 42 ary codes (binary-coded decimal), again this signal is sent into by 4 latch/4 lines are changed the secondary decoding unit 23 that 16 line decoder IC3 constitute, and (IC3 has 16 road high level to latch output function, here only with its 12 road output line), after the decoding of IC3 secondary, be assigned to corresponding output through the command signal number, then the command signal on the IC3 output is passed through by isolating diode, corresponding electronic switch (the IC4 of pull down resistor PR conducting, IC5 and IC6) signal conversion unit 24 that constitutes, thus finish of the space transmission of remote controller (electron key) keyboard button to the action of coded lock keyboard button.
(2) emission of the password of above explanation and password receiving circuit are just finished the space transmission of keyboard button instruction, and cipher control circuit (IC7) is only the concrete operating part of unblanking, it has following functional characteristic: (i). and 1,000,000,000 groups of password total amounts are arranged, and the probability of random catching password is atomic; (ii). only allow three passwords of input, the password mistake will be sent 1 minute alarm signal; (iii). the user can be provided with password voluntarily, and the change password is also very convenient, and cipher control IC7 adopts 12 standard telephone keypad.Its operation principle is described as follows:
I. password setting: the user pushes " setting " shelves with toggle switch K2, from keyboard key feeding cipher and storage, then K2 is refuted " normally " grade, has promptly finished password setting.
Ii. remote-control unlocking: cipher control IC7 receives the cipher instruction signal that electronic switch (IC4, IC5, IC6) is sent into, the password that is provided with the user carries out three comparisons, if password is in full accord, IC7 exports the pulse signal of unblanking, deliver to the Q3 amplification through R9 and make the Q4 conducting, it is electric that electromagnet coil SL is got, electromagnetic actuation, and the mechanism action that drives electric control lock is realized unblanking.If password is inconsistent, the IC7 output alarm signal is delivered to warning sounding IC8 by R10 through the Q1 amplification, drives loud speaker Y and sends chimes of doom.3. actuator's (electric control lock) 3
Remote control device using wireless cipher of the present invention can also be applied on the product of other actuator (as switching device etc.) numerical ciphers locks except being applied to.
Claims (10)
1. remote control device using wireless cipher, by remote-controlled transmitter 1, receiver of remote-control sytem 2 and actuator 3 form, it is characterized in that, but the password that described remote-controlled transmitter 1 button input is made up of string number, and can store a plurality of passwords, also can access password being stored and send in the wireless frequency modulation mode, numerical ciphers can be imported and store to described receiver of remote-control sytem 2, and can receive by the code signal of described remote-controlled transmitter 1 transmission and with its decoding, and itself and the password of storing can be compared, when password is consistent, actuator 3 is carried out control actions, described remote-controlled transmitter 1 storage with modulated signals be the digital signal of DTMF form.
2. remote control device using wireless cipher according to claim 1, it is characterized in that: also comprise power unit 4 to described receiver of remote-control sytem 2 and actuator's 3 power supplies, described receiver of remote-control sytem 2 comprises high frequency receiving element 21, input connects the decoding unit 22 of described high frequency receiving element 21 outputs, the secondary decoding unit 23 that secondary is deciphered is carried out in described DTMF decoding unit 22 outputs, input is connected the signal conversion unit 24 of described secondary decoding unit 23 outputs, there is an input to be connected to described signal conversion unit 24 outputs, another input is connected to the password setting comparing unit 27 of keyboard input unit 25 outputs, an output of described password setting comparing unit 27 is connected to the input of audible alarm output unit 26, another output is connected to the input of drive signal output unit 28, and the output of described drive signal output unit 28 is connected to the movement device (as electromagnet or motor) in the described actuator 3.
3. remote control device using wireless cipher according to claim 2, it is characterized in that, described actuator 3 is can be by the electric control lock of receiver of remote-control sytem 2 control unlatchings, this electric control lock 3 comprises the snap close 31 that is installed in the mobile, can cooperate and be installed in the automatically controlled lock body 32 on the fixture with described snap close 31, also be provided with artificial Unlocking knob 33 on the described automatically controlled lock body 32, lock 34 be housed in described snap close 31 sides.
4. remote control device using wireless cipher according to claim 1, it is characterized in that, described remote-controlled transmitter 1 comprises an etwee body 11, be arranged on the key groups 12 on the described etwee body 11 and be located at circuit part in the described etwee body 11, this circuit part comprises the dtmf code unit 13 that is connected with described key groups 12, the wireless frequency modulation transmitter unit 14 that connects described dtmf code unit 13 outputs, and the miniature transmitting antenna 15 that is connected with described frequency modulation transmitter unit 14 outputs, this antenna 15 is made of the chain on the etwee 11, and described dtmf code unit 13 is that 10 or the special-purpose dtmf code IC of odd encoder memory function are more arranged.
5. remote control device using wireless cipher according to claim 2, it is characterized in that, described receiver of remote-control sytem 2 is provided with power supply indicator, the indicator light of unblanking, indicator light when reporting to the police indication and setting code, password setting input small keyboard 25 in the described receiver of remote-control sytem 2 comprise " 1 ", " 2 " ... " 9 ", " 0 ", " K " and buttons such as " M ", the key zone of described keypad 25 also are provided with closeable storehouse lid 201.
6. remote control device using wireless cipher according to claim 2, it is characterized in that, when described power unit 4 comprises the storage battery that when outage uses and civil power is arranged with alternating current and to charge in batteries and when the no civil power circuit part of control use storage battery, described circuit part comprises: step-down transformer T, the whole crossover Br that is connected with transformer secondary output, be connected across the three-terminal voltage regulator LM338 of rectification bridge output end, output at described three-terminal voltage regulator, be formed with three branch roads, first branch road is connected to three-terminal voltage-stabilizing element L7806 pressurizer through diode D4, and obtains the power supply of DC6V at its output; The direct powering load of second branch road; The 3rd branch road comprises and is connected to storage battery and to the diode D3 of its charging, is that the negative pole of the negative pole of diode D3 and diode D4 is also to be connected with diode D5 between the input of three-terminal voltage-stabilizing element in the charging input end of storage battery.
7. remote control device using wireless cipher according to claim 2 is characterized in that, described audible alarm output unit 26 comprises alarm signal generating unit IC8 and amplifying triode Q2 and loud speaker Y.
8. remote control device using wireless cipher according to claim 2, it is characterized in that, described DTMF decoding unit 22 is made up of the DTMF decoding IC2 that the dtmf signal that will demodulate is decoded as tetrad sign indicating number (binary-coded decimal) signal, described secondary decoding unit 23 comprises 4 and latchs/and 4 lines change the decoding IC3 of 16 lines, and described signal conversion unit 24 comprises three electronic switches (IC4-6) that are used for 16 system digital signals are converted to ranks combinatorial matrix input signal.
9. remote control device using wireless cipher according to claim 2 is characterized in that, described password setting comparing unit 27 comprises that one has 1) the keyboard password setting; 2) receive the simulating keyboard input signal; 3) with the analog signal that receives be provided with that password compares and carry out the application-specific integrated circuit 7 of corresponding actions function.
10. remote control device using wireless cipher according to claim 2 is characterized in that, the drive signal output unit 28 of described connection and driving actuator 3 comprises amplifying triode Q3, action indicator LED2, switching tube Q4 etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97108831A CN1191421A (en) | 1997-02-18 | 1997-02-18 | Remote control device using wireless cipher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97108831A CN1191421A (en) | 1997-02-18 | 1997-02-18 | Remote control device using wireless cipher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1191421A true CN1191421A (en) | 1998-08-26 |
Family
ID=5170677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97108831A Pending CN1191421A (en) | 1997-02-18 | 1997-02-18 | Remote control device using wireless cipher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1191421A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007016816A1 (en) * | 2005-08-11 | 2007-02-15 | Jingfen Wu | A combination electronic lock device using one control unit to operate several locks and its application |
| CN100446049C (en) * | 2002-11-30 | 2008-12-24 | 皇家飞利浦电子股份有限公司 | Wireless activation system, method and device |
| WO2015101210A1 (en) * | 2013-12-31 | 2015-07-09 | 马要武 | Keys and locks |
| CN105391882A (en) * | 2015-12-01 | 2016-03-09 | 陈黎平 | Express delivery cabinet with control based on incoming call ringtone identification and method of cabinet |
-
1997
- 1997-02-18 CN CN97108831A patent/CN1191421A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446049C (en) * | 2002-11-30 | 2008-12-24 | 皇家飞利浦电子股份有限公司 | Wireless activation system, method and device |
| WO2007016816A1 (en) * | 2005-08-11 | 2007-02-15 | Jingfen Wu | A combination electronic lock device using one control unit to operate several locks and its application |
| WO2015101210A1 (en) * | 2013-12-31 | 2015-07-09 | 马要武 | Keys and locks |
| US10529161B2 (en) | 2013-12-31 | 2020-01-07 | Yaowu Ma | Keys and locks |
| CN105391882A (en) * | 2015-12-01 | 2016-03-09 | 陈黎平 | Express delivery cabinet with control based on incoming call ringtone identification and method of cabinet |
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