CN2232606Y - Radio remote-controlled communication siren with lock-controlled switch, vebration sensor and encryption - Google Patents
Radio remote-controlled communication siren with lock-controlled switch, vebration sensor and encryption Download PDFInfo
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- CN2232606Y CN2232606Y CN 95205452 CN95205452U CN2232606Y CN 2232606 Y CN2232606 Y CN 2232606Y CN 95205452 CN95205452 CN 95205452 CN 95205452 U CN95205452 U CN 95205452U CN 2232606 Y CN2232606 Y CN 2232606Y
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Abstract
The utility model relates to a radio remote-controlled communication siren with a lock-controlled switch, a vibration sensor and encryption. The utility model is composed of a communication sender and a receiver, and is characterized in that the communication sender adopts the vibration ball sensor and the lock-controlled switch, a circuit has an encryption function, and long distance radio remote-controlled communication siren can be done through vibration sensing. The utility model has the advantages of small size, high sensitivity, convenient and flexible long distance remote-controlled communication siren, and can do theft protection monitoring, which is favorable for hosts to take measures to seize robbers in time. The utility model can be widely used for motorcycles, bicycles and theft protection monitoring for valuable articles, and can also be arranged on household doors and windows to do the theft protection monitoring.
Description
The utility model relates to a kind of vehicle and article anti-theft warning device, particularly a kind of distant news warning device of radio by vibrating sensing.
Existing burglar alarm is of a great variety, and function differs.But generally only having buzz warning effect, thus stealer can only be frightened away, and inconvenience is arrested.Moreover monitored item is single, special-purpose, can not change monitored object at any time, and for example the motorcycle alarm can only be used for motorcycle, and it is then inapplicable to be used for other object or place.The 3rd, existing warning device does not generally have the function of remote distant news transmission signals.
The purpose of this utility model provides a kind of remote distant communication function that has, and can be applicable to the distant news alarm of radio that various article surveillances are reported to the police and are convenient to catch the thief.
The purpose of this utility model is achieved in that it is made up of signalling generator and receiver, and its design feature is, signalling circuit plate, battery and vibration ball sensor are installed in the signalling generator shell, and lock-controlled switch is installed on the housing wall.The signalling generator circuit picks up amplifying circuit, voltage doubling rectifing circuit, delay electronic switch circuit, coding circuit, ultrahigh frequency radiating circuit by power circuit, vibration signal and forms.
Receiver comprises housing and is loaded on housing interior circuit board for receiving, power switch, battery, news Chinese percussion instrument, external electric supply socket is housed on the housing wall.Receiver circuit amplifies news sound circuit by power circuit, receiving demodulation amplifying circuit, pre-amplification circuit, shaping amplification circuit, decoding scheme, decoding output current amplifying circuit, delay amplification circuit, comparison amplifying circuit, electric current and forms.
The utility model can also following manner be realized:
One through hole is arranged on the signalling generator housing; A drawer type support is housed in the housing, circuit board, battery, vibration ball sensor are installed in the drawer type support, drawer type support outer baffle is equipped with lock-controlled switch as the part of housing above it, and Internal baffle is fixed together by screw and housing.
Vibration ball sensor is made up of housing, sensor and steel ball; Sensor is a piezoelectric ceramic piece, and the frame of detaining a box that seals or top opening above it is put a steel ball as sensor housing in the sensor housing.
Signalling generator and receiver circuit structure can be:
(a), signalling generator circuit structure:
Power circuit is by battery E
C, switch S
1With decoupling capacitance C
1, C
5Form; E
CNegative pole connection circuit ground end, positive pole meets S
1An end; S
1The other end be power supply power supply output terminal, C
1, C
5This end of a termination; C
1, C
5Other end ground connection;
Vibration signal picks up amplifying circuit by triode Q
1And sensing element Z, Q
1Collector load resistor R
2, Q
1Base voltage negative feedback biasing resistor R
1Form; Q
1Collector meets R
1, R
2, C
2An end, R
1Another termination Q
1The end of base stage and Z, R
2Another termination power supply side, the other end of Z and Q
1Grounded emitter;
Voltage doubling rectifing circuit is by multiplication of voltage diode and capacitor C
2Form; C
2Meet D
1Positive pole and D
2Negative pole, D
1Negative pole meet R
3And Q
2Base stage, D
2Plus earth;
The delay electronic switch circuit is by triode Q
2, Q
2The negative bias resistance R
3, delay capacitor C
3, resistance R
4, switch triode Q
3Become; Q
2Collector connects power supply side, Q
2Base stage meets R
3An end and D
1Negative pole, R
3Other end ground connection, Q
2Emitter meets C
3And R
4An end, C
3Other end ground connection, R
4Another termination Q
3Base stage, Q
3Grounded emitter, collector with the coding integrated circuit I
C(14) pin connects;
Coding circuit is by the integrated circuit I of coding
C, oscillation resistance R
5, capacitor C
4, clock provides resistance R
6Form; I
C(1--7) pin, (9-10) pin be address input pin, can join with high level, or join, or unsettled with low level; I
C(8), (16) pin ground connection and connect feeder ear respectively; I
C(11,12,13) pin meets R respectively
5, C
4, R
6An end, R
5, C
4, R
6The other end connect mutually; I
C(14) pin enables input end for emission, with Q
3Collector joins, I
C(15) pin is a data output end, meets current-limiting resistance R
7
The ultrahigh frequency radiating circuit is by generator triode Q
4, tuning capacity C
8, inductance L
1, high frequency choke coil L
2, feedback capacity C
7, feedback dividing potential drop capacitor C
6, current-limiting resistance R
7Form; Q
4Collector meets C
8, L
1An end, C
8, L
1The other end and C
7, L
2An end join L
2Another termination power supply side, C
7The other end and Q
4Base stage, C
6, R
7Join C
6The other end and Q
4Grounded emitter;
(b), receiver circuit structure:
Power circuit is by battery E
C, switch S
1, decoupling capacitance C
14, C
15Form; E
CMinus earth, positive pole meets S
1An end; S
1The other end be power supply power supply output terminal, C
14, C
15This end of a termination, other end ground connection;
The receiving demodulation amplifying circuit is by demodulation amplifying triode Q
1And biasing resistor R
3, R
4, temperature compensated diode D
1, Q
1Collector load resistor R
1, tuning capacity C
0, C
1, inductance L
1, feedback capacity C
2, high-frequency bypass capacitor C
4, C
5, high frequency choke coil L
2, Q
1Emitter direct current negative feedback resistor R
2, exchange shunt capacitance C
3Form; Q
1Collector meets L
1, C
0, C
1, C
2An end, Q
1Emitter meets C
2The other end and L
2An end, L
2Another termination C
3, R
2An end, C
3, R
2Other end ground connection; Q
1Base stage meets R
3, R
4, C
4, C
5An end, R
4Another termination D
1Positive pole, D
1Negative pole and C
4Other end ground connection, R
3Another termination power supply side, C
5The other end and L
1, C
0, C
1The other end and R
1, R
5An end join R
1Another termination power supply side;
Pre-amplification circuit is by preposition amplifying triode Q
2, demodulation output current limiting resistance R
5, Q
2Collector load resistor R
7, Q
2Base bias negative feedback resistor R
6, coupling capacitance C
6, shunt capacitance C
7, C
8Form; Q
2Base stage meets R
6, C
6, C
7An end, C
7Other end ground connection, C
6Another termination R
5, R
6Another termination Q
2Collector, R
7, C
8The input end of a termination shaping amplification circuit, R
7, C
8The other end connect power supply side and ground connection respectively;
Shaping amplification circuit is by the operational amplifier I that plays the shaping amplification
C1.AWith dividing potential drop time delay resistance R
8, capacitor C
9Form; I
C1.A(4), (8) pin ground connection and power supply side respectively, (3) pin is the shaping amplification circuit input end, meets pre-amplification circuit output terminal and R
8, R
8Another termination I
C1.A(2) pin and C
9An end, C
9Other end ground connection; I
C1.A(1) pin be the shaping amplification circuit output terminal, it and I
C2(9) pin join;
Decoding scheme is by decoder ic I
C2, other timing capacitor C is debated in pulse
10, resistance R
9, delay time is debated other timing capacitor C
11, resistance R
10Form; I
C2Address input pin (1--5) pin, (12--15) pin connect high level, or low level, or unsettled; (8) pin, (16) pin ground connection and connect power supply side respectively, data input pin (9) pin meets shaping amplification circuit output terminal I
C1.A(1) pin, I
C2(6) pin, (7) pin meet R
9Two ends, and (7) pin and C
10An end join C
10Other end ground connection, I
C2(10) pin meets R
10, C
11An end, R
10, C
11Other end ground connection, I
C2Decipher effective output terminal (11) pin and meet current-limiting resistance R
11An end;
Delay amplification circuit is by triode Q
3, Q
4, current-limiting resistance R
11, delay capacitor C
12, resistance R
12, Q
4Collector load resistor R
13Form; Q
3Base stage meets R
11, collector connects power supply side, and emitter meets C
12, R
12An end, C
12Other end ground connection, R
12Another termination Q
4Base stage, Q
4Grounded emitter, collector meets R
13An end and amplifying circuit I relatively
C1.B(6) pin, R
13Another termination power supply side;
Relatively amplifying circuit is by operational amplifier I
C1.B, divider resistance R
14, R
15Form; I
C1.B(5) pin meets R
14, R
15An end, R
14, R
15The other end connect power supply side and ground connection respectively, voltage output end (7) pin meets current-limiting resistance R
16(4) pin, (8) pin ground connection and connect power supply side respectively;
Electric current amplifies news and rings circuit by current-limiting resistance R
16, triode Q
5, news Chinese percussion instrument Y forms; Q
5Base stage meets R
16, grounded emitter, collector connects the end of Y, another termination power supply side of Y.
The utlity model has following advantage and good effect: 1) not only can be antitheft, and be convenient to catch the thief.Because stealer is as long as touch the article of the signalling generator and the supervision of depending on thereof, alerting signal promptly passes on the receiver that owner carries by radiowave, thereby the sound equipment that sends " tick, tick ... " prompting owner, and signalling generator itself is not sounded, thereby stealer and do not know that factum realized by the people, cross sample, owner's stealer of can taking measures to get.2) applied widely.Signalling generator both can be installed on easily stolen article, and as on the lockset of means of transports such as motorcycle, bicycle or on the article such as safety cabinet, case and bag, what can be installed on also that the robber commits theft must be through the place, as positions such as door, windows.3) circuit structure is reasonable, saves electricity, and it is little to consume energy.In addition, adopt lock-controlled switch,, have characteristics convenient, flexible, quick insurance with key operated or shut-off circuit.
Describe in detail below in conjunction with accompanying drawing:
Fig. 1 signalling generator structural representation
Fig. 2 be Fig. 1 along A-A cut-open view
Fig. 3 is the upward view of Fig. 1
Fig. 4 receiver structure synoptic diagram
Fig. 5 is the upward view of Fig. 4
Fig. 6 is the left pseudosection of Fig. 4
Fig. 7 signalling generator circuit structure diagram
Fig. 8 receiver circuit structural drawing
The utility model is applicable to that the remote monitoring of the static vehicle of parking, article is antitheft, also is suitable for the supervision of stealer the only way which must be passed such as door and window simultaneously.It realizes the monitor alarm function by the micro-receiver of a small-sized signalling generator and article owner being installed carrying on the article that are monitored, a vibration ball sensor is housed in the signalling generator, as long as being monitored article is touched, send encoded radiobeam alerting signal immediately, at this moment, be positioned at the message alerting signal that remote owner promptly obtains the micro-receiver carried, thereby can take measures rapidly, catch the robber.
The utility model is made up of signalling generator and receiver two large divisions.The physical construction of signalling generator is seen Fig. 1, Fig. 2, Fig. 3, and housing 1 is a ghost, internal battery 2, circuit board 3 and vibration ball sensor, and lock control power switch 9 is installed on the shell wall.Housing 1 can adopt the two sides cover-type, base plate cover is box-like or multiple pattern such as drawer formula, as long as circuit board is hidden in wherein, schematic structure is the drawer formula, concrete structure is that a drawer hole is arranged on the housing, circuit board 3 is installed in the drawer type support 8, lock control power switch 9 is installed on the outer baffle of drawer type support, and Internal baffle is fixed together by gib screw 4 and housing.In addition, use the difference of article according to signalling generator, design several be monitored the accessory structure feature that article are connected, open a through hole as housing top, be applicable to motorcycle, bicycle.During use, lock as long as signalling generator is through, the robber must vibrate signalling generator at picking lock or when moving, thereby realizes warning function.And for example have clothes-hook hole or skin ligament on the shell, can be fixed in door and window or other is monitored on the article.
Vibration ball sensor is made up of housing 5, sensor 6 and steel ball 7.Sensor 6 is a piezoelectric ceramic piece, and effect is that mechanical oscillation signal is converted to electric signal.Sensor housing 5 can be the square box of a sealing, also can be the square frame (the square frame upper edge is concordant with drawer type support upper edge) of top opening, and steel ball 7 is placed in square box or the square frame, and effect is when signalling generator is touched, and steel ball rolls, and sends mechanical oscillation signal.
Referring to Fig. 4, Fig. 5, Fig. 6, receiver comprises housing 1 and is loaded on the interior circuit board for receiving 2 of housing, power switch 3, battery 4, news Chinese percussion instrument 6, external electric supply socket 5 is housed on the housing wall, circuit board 2 is fixed on the housing by screw 7, and housing can be designed to the two sides cover-type or base plate cover is box-like and other form.
The utility model circuit structure comprises signalling generator circuit and receiver circuit, referring to Fig. 7, Fig. 8.
Signalling generator principle of work: as lock control power switch S
1When placing out the position of (connection), transistor Q
1Be in little power consumption state, the other parts of circuit are not all worked.When Z detects the external vibration signal, Q
1Signal is amplified, through capacitor C
2, diode D
1, D
2Voltage multiplying rectifier is again by transistor Q
2Amplify, to capacitor C
3Charge, by C
3, R
4, Q
3Form the integrated circuit I of delay electronic switch circuit control coding
CThe input pin (14) that enables be electronegative potential, I
CStartup work by (15) pin outupt coded signal, goes modulation by Q
4The ultrahigh frequency oscillatory circuit of forming is by antenna L
1To aerial emitting radio wave.
The operation of receiver principle: the coded modulation ripple that sends when signalling generator is by antenna L
1Receive after transistor Q
1Reach peripheral cell and detect coded signal, again through transistor Q
2Send operational amplification circuit I after the preposition amplification to
C1.A(3) pin further amplify shaping, send into decoder ic I again from (1) pin output
C2(9) pin, signal judged examines, when really being corresponding signalling generator signal at I
C2(11) pin output high level.This high level is through resistance R
11, transistor Q
3To capacitor C
12Charging, C
12Again through R
12To transistor Q
4The time-delay discharge makes Q
4Conducting.Along with C
12Discharge off, transistor Q
4Conducting becomes and ends.Its collector voltage enters operational amplifier I again between the 6--0 volt
C1.B(6) magnitude of voltage of pin is lower than I
C1.BDuring the reference voltage value that configured, I
C1.B(7) pin become high level and make transistor Q
5Conducting, news Chinese percussion instrument Y promptly sends and ticks, ticks ... sound report to the police.
Whole working: open signalling generator lock control power switch, the through hole that passes the signalling generator shell with lock pin locks motorcycle, and receiver is carried at one's side by owner.When the burglar stole car, signalling generator was subjected to vibration and promptly launches modulation radio ripple (vibrate and launched for 3 seconds).The receiver that carries on one's body away from the owner of motorcycle sends the chimes of doom that ticks (signalling generator vibrates, receiver delayed alarm 10 seconds), and owner can be on the scene immediately and catch the robber, avoids vehicle stolen.
Claims (4)
1, a kind of lock-controlled switch, vibrating sensing, the distant news alarm of coding and decoding radio are made up of signalling generator and receiver, it is characterized in that:
Signalling circuit plate, battery and vibration ball sensor are installed in the signalling generator housing, lock-controlled switch is installed on the housing wall;
The signalling generator circuit picks up amplifying circuit, voltage doubling rectifing circuit, delay electronic switch circuit, coding circuit, ultrahigh frequency radiating circuit by power circuit, vibration signal and forms;
Receiver comprises housing and is loaded on housing interior circuit board for receiving, power switch, battery, news Chinese percussion instrument, external electric supply socket is housed on the housing wall;
Receiver circuit amplifies news sound circuit by power circuit, receiving demodulation amplifying circuit, pre-amplification circuit, shaping amplification circuit, decoding scheme, decoding output current amplifying circuit, delay amplification circuit, comparison amplifying circuit, electric current and forms.
2, the distant news alarm of radio according to claim 1 is characterized in that: a through hole is arranged on the signalling generator housing; A drawer type support is housed in the housing, circuit board, battery, vibration ball sensor are installed in the drawer type support, drawer type support outer baffle is equipped with lock-controlled switch as the part of housing above it, and Internal baffle is fixed together by screw and housing.
3, the distant news alarm of radio according to claim 1 and 2 is characterized in that: vibration ball sensor is made up of housing, sensor and steel ball; Sensor is a piezoelectric ceramic piece, and the frame of detaining a box that seals or top opening above it is put a steel ball as sensor housing in the sensor housing.
4, the distant news alarm of radio according to claim 1 is characterized in that:
(a), the signalling generator circuit structure is:
Power circuit is by battery E
C, switch S
1With decoupling capacitance C
1, C
5Form; E
CNegative pole connection circuit ground end, positive pole meets S
1An end; S
1The other end be power supply power supply output terminal, C
1, C
5This end of a termination; C
1, C
5Other end ground connection;
Vibration signal picks up amplifying circuit by triode Q
1And sensing element Z, Q
1Collector load resistor R
2, Q
1Base voltage negative feedback biasing resistor R
1Form; Q
1Collector meets R
1, R
2, C
2An end, R
1Another termination Q
1The end of base stage and z, R
2Another termination power supply side, the other end of Z and Q
1Grounded emitter;
Voltage doubling rectifing circuit is by multiplication of voltage diode and capacitor C
2Form; C
2Meet D
1Positive pole and D
2Negative pole, D
1Negative pole meet R
3And Q
2Base stage, D
2Plus earth;
The delay electronic switch circuit is by triode Q
2, Q
2The negative bias resistance R
3, delay capacitor C
3, resistance R
4, switch triode Q
3Form; Q
2Collector connects power supply side, Q
2Base stage meets R
3An end and D
1Negative pole, R
3Other end ground connection, Q
2Emitter meets C
3And R
4An end, C
3Other end ground connection, R
4Another termination Q
3Base stage, Q
3Grounded emitter, collector with the coding integrated circuit I
C(14) pin connects;
Coding circuit is by the integrated circuit I of coding
C, oscillation resistance R
5, capacitor C
4, clock provides resistance R
6Form; I
C(1--7) pin, (9-10) pin be address input pin, can join with high level, or join, or unsettled with low level; I
C(8), (16) pin ground connection and connect feeder ear respectively; I
C(11,12,13) pin meets R respectively
5, C
4, R
6An end, R
5, C
4, R
6The other end connect mutually; I
C(14) pin enables input end for emission, with Q
3Collector joins, I
C(15) pin is a data output end, meets current-limiting resistance R
7
The ultrahigh frequency radiating circuit is by generator triode Q
4, tuning capacity C
8, inductance L
1, high frequency choke coil L
2, feedback capacity C
7, feedback dividing potential drop capacitor C
6, current-limiting resistance R
7Form; Q
4Collector meets C
8, L
1An end, C
8, L
1The other end and C
7, L
2An end join L
2Another termination power supply side, C
7The other end and Q
4Base stage, C
6, R
7Join C
6The other end and Q
4Grounded emitter;
(b), the receiver circuit structure is:
Power circuit is by battery E
C, switch S
1, decoupling capacitance C
14, C
15Form; E
CMinus earth, positive pole meets S
1An end; S
1The other end be power supply power supply output terminal, C
14, C
15This end of a termination, other end ground connection;
The receiving demodulation amplifying circuit is by demodulation amplifying triode Q
1And biasing resistor R
3, R
4, temperature compensated diode D
1, Q
1Collector load resistor R
1, tuning capacity C
0, C
1, inductance L
1, feedback capacity C
2, high-frequency bypass capacitor C
4, C
5, high frequency choke coil L
2, Q
1Emitter direct current negative feedback resistor R
2, exchange shunt capacitance C
3Form; Q
1Collector meets L
1, C
0, C
1, C
2An end, Q
1Emitter meets C
2The other end and L
2An end, L
2Another termination C
3, R
2An end, C
3, R
2Other end ground connection; Q
1Base stage meets R
3, R
4, C
4, C
5An end, R
4Another termination D
1Positive pole, D
1Negative pole and C
4Other end ground connection, R
3Another termination power supply side, C
5The other end and L
1, C
0, C
1The other end and R
1, R
5An end join R
1Another termination power supply side;
Pre-amplification circuit is by preposition amplifying triode Q
2, demodulation output current limiting resistance R
5, Q
2Collector load resistor R
7, Q
2Base bias negative feedback resistor R
6, coupling capacitance C
6, shunt capacitance C
7, C
8Form; Q
2Base stage meets R
6, C
6, C
7An end, C
7Other end ground connection, C
6Another termination R
5, R
6Another termination Q
2Collector, R
7, C
8The input end of a termination shaping amplification circuit, R
7, C
8The other end connect power supply side and ground connection respectively;
Shaping amplification circuit is by the operational amplifier I that plays the shaping amplification
C1.AWith dividing potential drop time delay resistance R
8, capacitor C
9Form; I
C1.A(4), (8) pin ground connection and power supply side respectively, (3) pin is the shaping amplification circuit input end, meets pre-amplification circuit output terminal and R
8, R
8Another termination I
C1.A(2) pin and C
9An end, C
9Other end ground connection; I
C1.A(1) pin be the shaping amplification circuit output terminal, it and I
C2(9) pin join;
Decoding scheme is by decoder ic I
C2, other timing capacitor C is debated in pulse
10Resistance R
9, delay time is debated other timing capacitor C
11, resistance R
10Form; I
C2Address input pin (1--5) pin, (12--15) pin connect high level, or low level, or unsettled; (8) pin, (16) pin be ground connection and connect power supply side respectively, and data input pin (9) pin meets shaping amplification circuit output terminal I
C1.A(1) pin, I
C2(6) pin, (7) pin meet R
9Two ends, and (7) pin and C
10An end join C
10Other end ground connection, I
C2(10) pin meets R
10, C
11An end, R
10, C
11Other end ground connection, I
C2Decipher effective output terminal (11) pin and meet current-limiting resistance R
11An end;
Delay amplification circuit is by triode Q
3, Q
4, current-limiting resistance R
11, delay capacitor C
12, resistance R
12, Q
4Collector load resistor R
13Form; Q
3Base stage meets R
11, collector connects power supply side, and emitter meets C
12, R
12An end, C
12Other end ground connection, R
12Another termination Q
4Base stage, Q
4Grounded emitter, collector meets R
13An end and amplifying circuit I relatively
C1.B(6) pin, R
13Another termination power supply side;
Relatively amplifying circuit is by operational amplifier I
C1.B, divider resistance R
14, R
15Form; IC
1.B(5) pin meets R
14, R
15An end, R
14, R
15The other end connect power supply side and ground connection respectively, voltage output end (7) pin meets current-limiting resistance R
16(4) pin, (8) pin ground connection and connect power supply side respectively;
Electric current amplifies news and rings circuit by current-limiting resistance R
16, triode Q
5, news Chinese percussion instrument Y forms; Q
5Base stage meets R
16Grounded emitter, collector connect the end of Y, another termination power supply side of Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95205452 CN2232606Y (en) | 1995-03-10 | 1995-03-10 | Radio remote-controlled communication siren with lock-controlled switch, vebration sensor and encryption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95205452 CN2232606Y (en) | 1995-03-10 | 1995-03-10 | Radio remote-controlled communication siren with lock-controlled switch, vebration sensor and encryption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2232606Y true CN2232606Y (en) | 1996-08-07 |
Family
ID=33857684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95205452 Expired - Fee Related CN2232606Y (en) | 1995-03-10 | 1995-03-10 | Radio remote-controlled communication siren with lock-controlled switch, vebration sensor and encryption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2232606Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310566A (en) * | 2013-05-23 | 2013-09-18 | 杭州玄能科技有限公司 | Multi-burglarproof system for battery of electric bicycle |
-
1995
- 1995-03-10 CN CN 95205452 patent/CN2232606Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310566A (en) * | 2013-05-23 | 2013-09-18 | 杭州玄能科技有限公司 | Multi-burglarproof system for battery of electric bicycle |
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