CN206949773U - A kind of intelligent key collecting apparatus - Google Patents
A kind of intelligent key collecting apparatus Download PDFInfo
- Publication number
- CN206949773U CN206949773U CN201720947817.9U CN201720947817U CN206949773U CN 206949773 U CN206949773 U CN 206949773U CN 201720947817 U CN201720947817 U CN 201720947817U CN 206949773 U CN206949773 U CN 206949773U
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- key
- movement
- touching formula
- slide block
- casing
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Abstract
The utility model discloses a kind of intelligent key collecting apparatus, the equipment includes casing and is installed on the movement of casing internal；The casing is provided with axial slideway and the radial direction slideway perpendicular with axial slideway, bottom of shell are provided with battery compartment；The slide block device that can be radially slided is provided with the movement, key is installed on slide block device, and key is pointed at the top of movement；Rotary slider is provided with the top of the movement, after slide block device moves to rotary slider, is rotated together with rotary slider；It is symmetrical above and below in the middle part of movement to be provided with the spacing detecting system of touching formula being provided with first, second spacing beam for detecting the key direction of motion and run duration, it is connected with single-chip microcomputer in the spacing detecting system of touching formula.Memory function can be incorporated to key collecting apparatus, and by recording the time of ON/OFF door lock, realize that distal end is transferred and check, the particular problem whether door locks is suspected after solving foregoing go out, saved time and resource.
Description
Technical field
It the utility model is related to daily living article technical field, more particularly to a kind of intelligent key collecting apparatus.
Background technology
A puzzlement can be usually run into people's daily life, that is, always suspects whether door locks after going out, this
Kind suspect and to belong to a kind of common type of anxiety disorder, generally with sudden and uncertain, people is often remote during generation
From the position where door, it is necessary to confirm that inspection can only be turned back in person or call the friend around that seeks help, some is turned from side to side can
Give up suspecting, hence it is imperative that a kind of solution of reply.
At present, there is extremely least a portion of intelligent smartgate system that distal end can be supported to check door lock state, but the process that changes the outfit needs
Change original lockset type, doorframe structure and distribution line etc., and change the outfit cost and later stage operating cost it is too high, if only pin
To solving above-mentioned puzzlement, it is clear that cost performance is too low, is unfavorable for large-scale promotion application.
Utility model content
For drawbacks described above or deficiency, the purpose of this utility model is that providing a kind of intelligent key simple in construction receives
Receive equipment.
The technical solution of the utility model is：
A kind of intelligent key collecting apparatus, including casing and the movement for being installed on casing internal；
The casing is provided with axial slideway and the radial direction slideway perpendicular with axial slideway, bottom of shell are provided with electricity
Chi Cang；
The slide block device that can be radially slided is provided with the movement, key is installed on slide block device, and key points to
At the top of movement；Rotary slider is provided with the top of the movement, after slide block device moves to rotary slider, is turned together with rotary slider
It is dynamic；It is symmetrical above and below in the middle part of movement to be provided with first, second spacing beam, it is provided with first, second spacing beam for detecting key
The spacing detecting system of touching formula of the direction of motion and run duration, monolithic is connected with the spacing detecting system of touching formula
Machine.
Display is provided with the casing.
The movement is rectangular parallelepiped structure, offers chute in the long side of movement both sides, and chute opens up rotary slider
In the long side of both sides, slide block device is installed in chute；Chute both ends be respectively arranged with first, second locating slot, slide block device
Bottom is provided with the positioner being engaged with the first locating slot or the second locating slot, and slide block device end is installed with key
Sleeve, key are installed on key handle cover.
The positioner includes being installed on the positioning bead of slide block device bottom, and positioning bead is determined with the first locating slot or second
Position groove is engaged, and is fastened at the top of slide block device and is provided with pressing driving lever, and pressing driving lever is connected with positioning bead, is pressed the pressing and is dialled
During bar, positioning bead is retracted, and releases sliding block constrained state.
The spacing detecting system of touching formula includes：First spacing beam one end is provided with the first touching formula reset switch, the
Two spacing beam one end are provided with the second touching formula reset switch.
The movement bottom is provided with the bolt mutually fixed with casing, and LED is provided with rotary slider, is set on casing
There is LED switch.
The casing is cylinder, and two axial slideways and radial direction slideway are symmetrically arranged with cylinder；The movement
For rectangular parallelepiped structure, chute is respectively offered in the long side of the movement both sides, and slide block device is provided with each chute, it is sliding
Block assembly includes the sliding block of structure identical first and the second sliding block.
The spacing detecting system of touching formula also includes：The 3rd touching formula being symmetrically installed with the first touching formula reset switch
Reset switch, and the 4th touching formula reset switch being symmetrically installed with the second touching formula reset switch.
Compared with the prior art, the beneficial effects of the utility model are：
The utility model provides a kind of intelligent key collecting apparatus, and memory function can be incorporated to key storage and set
It is standby, and by recording the time of ON/OFF door lock, realize that distal end is transferred and check, suspect whether door locks after solving foregoing go out
Particular problem, saved time and resource, deepened operative memory during ON/OFF door lock, be easy to assist to recall, simultaneously for key
The storage of spoon is properly proper, and protectiveness is strong.The utility model can be additionally used in other occasions for possessing mechanical key, the scope of application
Extensively, while its memory function can do simple work attendance and be used, and the utility model dismounting is easy to assembly, and member replacing is easy, can
Used under conditions of intensity of illumination deficiency, using effect is good.
Brief description of the drawings
Fig. 1 is the utility model intellectuality key collecting apparatus shell mechanism schematic diagram；
Fig. 2 is the utility model intellectuality key collecting apparatus cassette mechanism structure schematic diagram；
Fig. 3 is the utility model intellectuality key collecting apparatus accumulating method circuit diagram；
Fig. 4 is the utility model intellectuality key collecting apparatus accumulating method schematic flow sheet.
In figure, 1 is casing, and 2 be movement, and 1-1 is axial slideway, and 1-2 is radial direction slideway, and 1-3 is display, and 1-4 is
LED switchs, and 1-5 is battery compartment, and 1-6 is frenulum, and 2-1 is chute, and 2-2 is the first locating slot, and 2-3 is the first sliding block, and 2-4 is
Second sliding block, 2-5 are the first key handle cover, and 2-6 is the second key handle cover, and 2-7 is the first key, and 2-8 is the second key, 2-9
For the first pressing driving lever, 2-10 is the second pressing driving lever, and 2-11 is the first spacing beam, and 2-12 is the second spacing beam, 2-13 the
One touching formula reset switch, 2-14 are the second touching formula reset switch, and 2-15 is the 4th touching formula reset switch, and 2-16 is the 3rd
Touching formula reset switch, 2-17 are rotary slider, and 2-18 is the second chute, and 2-19 is the second locating slot, and 2-20 is LED, 2-
21 be bolt, and 2-22 is single-chip microcomputer 2-22.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing, it is clear that described embodiment is only this practicality
New part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to protection model of the present utility model
Enclose.
As shown in Figure 1, 2, the utility model provides a kind of intelligent key collecting apparatus, including casing 1 and installation
Movement 2 inside casing 1；Wherein,
The casing 1 is provided with the axial slideway 1-1 and radial direction slideway 1-2 perpendicular with axial slideway 1-1, casing 1
Bottom is provided with battery compartment 1-5；The casing 1 is cylinder-like structure, and left end is closed, and right-hand member opens wide；The upper surface of the casing 1
Embedded to be connected with battery compartment 1-5 provided with display 1-3 and LED switch 1-4, blind end, it is straight that the battery compartment 1-5 can provide 5V
Stream power supply, afterbody are connected with frenulum 1-6, are easy to hang and wear.
The slide block device that can be radially slided is provided with the movement 2, key 2-7 is installed on slide block device, and key
2-7 points to the top of movement 2；The top of movement 2 is provided with rotary slider 2-17, and slide block device moves to rotary slider 2-17
Afterwards, rotated with together with rotary slider 2-17；The middle part of movement 2 is symmetrical above and below to be provided with first, second spacing beam 2-11,2-12, the
First, it is provided with second spacing beam 2-11,2-12 spacing for the touching formula that detects the key 2-7 directions of motion and run duration
Detecting system, single-chip microcomputer 2-22 is connected with the spacing detecting system of touching formula, the bottom of movement 2 is provided with and casing 1
LED 2-20 is installed on mutually fixed bolt 2-21, rotary slider 2-17, LED switch 1-4 is provided with casing 1, is used for
Illumination in the case of intensity of illumination deficiency.
In order to increase the wearing quantity of key, the utility model is provided with two key memory systems：
As shown in Fig. 2 the casing 1 is cylinder, two axial slideway 1-1 and radial direction are symmetrically arranged with cylinder
Slideway 1-2；The movement 2 is rectangular parallelepiped structure, and symmetric design, cross section is rectangle, and top and bottom are long side；The machine
Chute 2-1 is respectively offered in the long side of the both sides of core 2, and slide block device is provided with each chute 2-1, slide block device includes knot
Structure identical the first sliding block 2-3 and the second sliding block 2-4；The symmetrical long side position in the both sides of movement 2 center, which is set, offers chute 2-1,
And chute 2-1 is opened up in the long side of rotary slider 2-17 both sides, slide block device is installed in chute 2-1；Chute 2-1 both ends point
First, second locating slot 2-2,2-19 is not provided with, and slide block device bottom is provided with and the first locating slot 2-2 or the second locating slot
The positioner that 2-19 is engaged, the first sliding block 2-3 ends are installed with the first key handle cover 2-5, the first key 2-7 installation
In on the first key handle cover 2-5；Second sliding block 2-4 ends are installed with the second key handle cover 2-6, the second key 2-8 installation
In on the second key handle cover 2-6.It is screwed and ensures the first key 2-7 and the second key 2-8 insertion end water
It is flat to be designed with a series of differences according to different key types towards the right side, the first key handle cover 2-5 and the second key handle cover 2-6
The accessory of size, corresponding choose to install can be carried out.
The positioner includes being installed on the positioning bead of slide block device bottom, positioning bead and the first locating slot 2-2 or the
Two locating slot 2-19 are engaged, and are fastened at the top of the first sliding block 2-3 and are provided with the first pressing driving lever 2-9；It is tight at the top of second sliding block 2-4
Equipped with the second pressing driving lever 2-10, first presses the pressings of driving lever 2-9 second driving lever 2-10 is connected with positioning bead, presses institute for Guan County
When stating pressing driving lever, positioning bead is retracted, and releases sliding block constrained state.The ejecting card when positioning bead is slipped into the first locating slot 2-2
Firmly, now the first sliding block 2-3 and the second sliding block 2-4 enters slip constrained state, and position is fixed, by described in vertical pressing
First sliding block 2-3 and the second sliding block 2-4, the positioning bead retraction that is connected can be made, then carry out slide to release slip constrained state；
Accordingly, the spacing detecting system of touching formula includes：First spacing beam 2-11 one end is provided with the first touching formula
Reset switch 2-13, second spacing beam 2-12 one end are provided with the second touching formula reset switch 2-14；Resetted with the first touching formula
The 3rd touching formula reset switch 2-16 that switch 2-13 is symmetrically installed, and be symmetrically installed with the second touching formula reset switch 2-14
The 4th touching formula reset switch 2-15.
The left end of movement 2 center is provided with the bolt 2-21 tightened, is tightened by the screw thread in the blind end of casing 1
Afterwards, both combination can be achieved, the size of the casing 1 can accommodate the movement 2, and ensure the first sliding block 2-3 and the
After two sliding block 2-4 enter rotary slider 2-17 fixations, the insertion end of the connected key is completely exposed, and described first presses
The pressing driving levers of pressure driving lever 2-9 and second 2-10 end is exposed to the axial slideway 1-1 and radial direction slideway 1-2, is easy to control
The sliding block and connected components are slided according to the groove position of design and rotation.
The utility model additionally provides a kind of accumulating method of intelligent key collecting apparatus, including：
1) sliding slider device, vertically slideway 1-1 slide block device sliding is located to radial direction slideway 1-2, slide block device
On rotary slider 2-17；
2) key on slide block device is inserted in keyhole, inverse/turn clockwise casing 1, slide block device is radially slided
Road 1-2 moves to the second spacing Liang2-12Chu, and is connected after being contacted with the spacing detecting system of touching formula；
3) continue it is inverse/turn clockwise casing 1, drive rotary slider 2-17 together inverse/suitable by the second spacing beam 2-12
Hour hands rotate, key complete it is inverse/open clockwise, lock operation；
4) touch formula spacing detecting system and timing is carried out by single-chip microcomputer level change, and be according to the spacing detection of touching formula
The change in location of system contact point, records/door opening state of locking a door, transfers data to user terminal.
After the spacing detecting system of touching formula is connected, single-chip microcomputer level is changed into 5V high level from input 0V low levels.
As shown in Figure 3,4, circuit of the present utility model includes memory circuit and lighting circuit two parts；The memory circuit
By the described first touching formula reset switch 2-13, the second touching formula reset switch 2-14, the 3rd touching formula reset switch 2-15, the
Four touching formula reset switch 2-16 form four with the single-chip microcomputer 2-22, display 1-3 and battery compartment 1-5 and in parallel returned respectively
Road；The lighting circuit is in series by the LED 2-20, LED switch 1-4 and battery compartment 1-5；The single-chip microcomputer 2-22
The level value of memory circuit and timing accordingly can be detected, is parsed by data storage and by software, is output to the display screen
Transfer and check, realize the memory function of key.
As shown in Figure 3 and Figure 4, operation principle of the present utility model is：
The installation of equipment：First key 2-7 of required record and the second key 22-8 are respectively charged into corresponding suitable the
One key handle cover 2-5 and the second the shank of the key set 2-6 in, tighten fixed screw fix it is appropriate, ensure insertion end level towards the right side, slide respectively
At dynamic first sliding block 2-3 and the second sliding block 2-4 to the first locating slot 2-2, into constrained state, afterwards by movement 2 by tightening
Bolt 2-21 be fixed in casing 1, finally via axial slideway 1-1 space in the first key handle cover 2-5 and the second key
Installed additional respectively on sleeve 2-6 and slide driving lever, be screwed and tighten, that is, complete the installation of equipment.
The use of equipment：According to operation object, when door lock corresponding to the first key 2-7 is opened in selection, the first pressing driving lever
2-9, the positioning bead for making to be connected on the first sliding block 2-3 are retracted, and sliding to the right can release constrained state, slideway 1-1 slidings vertically
First presses driving lever 2-9 and then enters radial direction slideway 1-2, the second cunning that now the first sliding block 2-3 enters on rotary slider 2-17
Groove 2-18, and enter constrained state at the second locating slot 2-19, the insertion end for the first key 2-7 that is connected are completely exposed, by the
In one key 2-7 insertion end insertion lockhole, rotate counterclockwise casing 1, now rotary slider 2-17 and connected components keep quiet
Only, 2 and second spacing beam 2-12 of movement is rotated counterclockwise, and the first pressing driving lever 2-9 is slided in radial direction slideway 1-2, when second
The second touching formula reset switch 2-14 on spacing beam 2-12 is connected after being contacted with the first sliding block 2-3, now continues rotation counterclockwise
Favourable turn shell 1, because the second spacing beam 2-12 effect will drive rotary slider 2-17 and connected components together rotate counterclockwise, this
When the first key 2-7 complete unlocking operation counterclockwise；When similarly, for locking door lock corresponding to the first lock key 2-7, in repetition
Step is stated, by the first key 2-7 insertion end insertion lockhole, rotates clockwise casing 1, now rotary slider 2-17 and is connected
Part remains stationary, 2 and first spacing beam 2-11 of movement are rotated clockwise, and the first pressing driving lever 2-9 is sliding in radial direction slideway 1-2
It is dynamic, connect after the first touching formula reset switch 2-13 on the first spacing beam 2-11 contacts with the first sliding block 2-3, now continue
Turn clockwise casing 1, because the first spacing beam 2-11 effect will drive rotary slider 2-17 and connected components together up time
Pin rotates, and now the first key 2-7 completes to lock operation clockwise；Open/lock and the first key 2-7 is extracted after operation terminates, lead to
The first pressing driving lever 2-9 adjustment rotary slider 2-17 position is crossed, makes the first pressing driving lever 2-9 in radial direction slideway 1-2 and axle
Alignd to slideway 1-1, now press the first pressing driving lever 2-9, the positioning bead for making to be connected on the first sliding block 2-3 is retracted, pushed away to the left
Cunning can release constrained state, connected first sliding block 2-3 is backed into the first chute 2-1, it is fixed second to continue sliding to the left
Enter constrained state at the groove 2-19 of position, the key storage fixation that is connected finishes；Similar with said process, opening/closing second is beaten in selection
Corresponding to key 2-8 during door lock, the pressing driving lever of operation second 2-10 repeats similar operations, and difference is the second sliding block 2-4
The touching formula reset switch connected after contact is different, connects the 4th touching formula reset switch 2-16 during door lock, is connected when locking
3rd touches formula reset switch 2-15；In illumination condition deficiency, LED switch 1-4, rotary slider 2-17 right-hand members center can be opened
LED 2-20 operating illuminations, be easy to key smoothly to insert key hole.
The memory function of equipment：That is the time record of ON/OFF door lock relies primarily on four touching formula reset switches 2-13,2-
14th, the memory circuit of 2-15,2-16, single-chip microcomputer 2-22, display 1-3 and battery compartment 1-5 compositions is completed, and formulas are touched when four
In reset switch 2-13,2-14,2-15,2-16 any one connection when, export 5V high level, and when four touching formulas reset
When switching the equal access failure of 2-13,2-14,2-15,2-16,0V low levels are exported, detects and records via single-chip microcomputer 2-22, work as detection
During to 5V level, start timing, when detecting 0V level, stop timing, data parse via software, according to foregoing first key
The difference of touching switch when 2-7 and the second key 22-8 performs switch door lock, connected with the second touching formula reset switch 2-14
Opening time of the time as the first key 2-7, the time connected using the first touching formula reset switch 2-13 are used as the first key
2-7's locks a door the time, opening time of the time that the 4th touching formula reset switch 2-16 is connected as the second key 2-8, with the
Time the locking a door the time as the second key 2-8 that three touching formula reset switch 2-15 are connected, analysis result is exported to display
1-3, it is easy to call at any time and checks, while data can be uploaded to terminal device by the I/O interfaces on single-chip microcomputer 2-22, such as
Mobile phone etc., realizes data sharing.
The utility model has advantages below compared with prior art：
1st, memory function is incorporated key collecting apparatus by the utility model, by recording the time of ON/OFF door lock, is realized remote
End, which is transferred, to be checked, is suspected the particular problem whether door locks after solving foregoing go out, has been saved time and resource.
2nd, the utility model sets about designing from the key carried with, and thinking is novel, do not change original lockset type,
Doorframe structure and distribution line etc., machinery and circuit structure are reasonable, and simple for production, cost is low, easy to utilize.
3rd, the utility model is simple to operate has interest concurrently, has deepened operative memory during ON/OFF door lock, has been easy to assist back
Recall, the storage simultaneously for key is properly proper, and protectiveness is strong.
4th, the utility model is in addition to suitable for door lock, it may also be used for other occasions for possessing mechanical key, it is applied widely,
Its memory function can do simple work attendance and be used simultaneously.
5th, the utility model dismounting is easy to assembly, and member replacing is easy, can use, make under conditions of intensity of illumination deficiency
It is good with effect.
It is obvious to a person skilled in the art that it will appreciate that above-mentioned Concrete facts example is of the present utility model preferred
Scheme, therefore improvement, the variation that those skilled in the art may make to some parts in the utility model, embodiment
It is still principle of the present utility model, realization is still the purpose of this utility model, belongs to the scope that the utility model is protected.
Claims (8)
1. a kind of intelligent key collecting apparatus, it is characterised in that the equipment includes casing (1) and is installed in casing (1)
The movement (2) in portion；
The casing (1) is provided with axial slideway (1-1) and the radial direction slideway (1-2) perpendicular with axial slideway (1-1), machine
Shell (1) bottom is provided with battery compartment (1-5)；
The slide block device that can be radially slided is provided with the movement (2), key (2-7) is installed on slide block device, and key
(2-7) is pointed at the top of movement (2)；Rotary slider (2-17) is provided with the top of the movement (2), slide block device moves to rotation and slided
After block (2-17), rotated together with rotary slider (2-17)；It is symmetrical above and below in the middle part of movement (2) to be provided with first, second spacing beam
(2-11,2-12), it is provided with first, second spacing beam (2-11,2-12) for detecting key (2-7) direction of motion and fortune
The spacing detecting system of touching formula of time is moved, single-chip microcomputer (2-22) is connected with the spacing detecting system of touching formula.
2. intelligent key collecting apparatus according to claim 1, it is characterised in that be provided with the casing (1) aobvious
Show device (1-3).
3. intelligent key collecting apparatus according to claim 1, it is characterised in that the movement (2) is cuboid knot
Structure, chute (2-1) is offered in the long side of movement (2) both sides, and chute (2-1) opens up the length of rotary slider (2-17) both sides
Bian Shang, slide block device are installed in chute (2-1)；Chute (2-1) both ends are respectively arranged with first, second locating slot (2-2,2-
19), slide block device bottom is provided with the positioner being engaged with the first locating slot (2-2) or the second locating slot (2-19), sliding
Block assembly end is installed with key handle cover, and key is installed on key handle cover.
4. intelligent key collecting apparatus according to claim 3, it is characterised in that the positioner includes being installed on
The positioning bead of slide block device bottom, positioning bead are engaged with the first locating slot (2-2) or the second locating slot (2-19), slide block device
Top fastening is provided with pressing driving lever, and pressing driving lever is connected with positioning bead, and when pressing the pressing driving lever, positioning bead is retracted, solution
Except sliding block (2-3) constrained state.
5. intelligent key collecting apparatus according to claim 1, it is characterised in that the spacing detecting system of touching formula
Including：First spacing beam (2-11) one end is provided with the first touching formula reset switch (2-13), second spacing beam (2-12) one end
Second touching formula reset switch (2-14) is installed.
6. intelligent key collecting apparatus according to claim 1, it is characterised in that movement (2) bottom is provided with
With casing (1) mutually fixed bolt (2-21), LED (2-20) is installed on rotary slider (2-17), casing is provided with (1)
LED switchs (1-4).
7. intelligent key collecting apparatus according to claim 1, it is characterised in that the casing (1) is cylinder, circle
Two axial slideways (1-1) and radial direction slideway (1-2) are symmetrically arranged with cylinder；The movement (2) is rectangular parallelepiped structure, institute
State and chute (2-1) is respectively offered in the long side of movement (2) both sides, and slide block device, sliding block are provided with each chute (2-1)
Device includes the sliding block of structure identical first (2-3) and the second sliding block (2-4).
8. intelligent key collecting apparatus according to claim 7, it is characterised in that the spacing detecting system of touching formula
Also include：The 3rd touching formula reset switch (2-16) being symmetrically installed with the first touching formula reset switch (2-13), and with the
The 4th touching formula reset switch (2-15) that two touching formula reset switches (2-14) are symmetrically installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947817.9U CN206949773U (en) | 2017-08-01 | 2017-08-01 | A kind of intelligent key collecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947817.9U CN206949773U (en) | 2017-08-01 | 2017-08-01 | A kind of intelligent key collecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206949773U true CN206949773U (en) | 2018-02-02 |
Family
ID=61381835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720947817.9U Expired - Fee Related CN206949773U (en) | 2017-08-01 | 2017-08-01 | A kind of intelligent key collecting apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN206949773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107296357A (en) * | 2017-08-01 | 2017-10-27 | 宝鸡文理学院 | A kind of key storage device and its accumulating method with memory function |
-
2017
- 2017-08-01 CN CN201720947817.9U patent/CN206949773U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107296357A (en) * | 2017-08-01 | 2017-10-27 | 宝鸡文理学院 | A kind of key storage device and its accumulating method with memory function |
| CN107296357B (en) * | 2017-08-01 | 2023-04-21 | 宝鸡文理学院 | Key storage device with memory function and memory method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20180801 |