CN101519173B - Ultra thin type elevator calling box - Google Patents
Ultra thin type elevator calling box Download PDFInfo
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- CN101519173B CN101519173B CN2009100972093A CN200910097209A CN101519173B CN 101519173 B CN101519173 B CN 101519173B CN 2009100972093 A CN2009100972093 A CN 2009100972093A CN 200910097209 A CN200910097209 A CN 200910097209A CN 101519173 B CN101519173 B CN 101519173B
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Abstract
The invention relates to an ultra thin type elevator calling box and a button circuit thereof, which comprise buttons and an encloser of a display device, wherein the encloser is provided with a display window and button through holes, the display window corresponds to a display window of a shell, the button through holes are respectively used for the buttons to penetrate through and extend; a display module is arranged on the front face of a printed circuit board (PCB), the PCB is fixedly connected with the encloser, and the display module corresponds to the display window of the encloser andthe display window of the shell when the PCB is arranged in a containing zone of the shell; and an electric component and a button contact device are arranged under the front face of the PCB. The ele vator calling box performs ultra thin design to the display device, and thins the display device because the prior electric component is moved to the front face of the circuit board from the back faceof the circuit board and is downwards moved into the original vacant space, thereby solving the thickness problem of the elevator non-bottom calling box. The invention integrates the button device in to the display device, simplifies the button structure and also solves the problems of space, thickness, resilience hand feeling and cost of the button.
Description
Technical field
The invention belongs to elevator spare parts manufacture technical field, particularly a kind of ultra thin type elevator calling box and button circuit thereof.
Background technology
In the elevator building, each floor all need assemble at least one elevator calling box, and it is used to call the up and descending of elevator.Present elevator does not have the structure of end hall buttons referring to Fig. 1-5, and it comprises housing 1, demonstration cover plate 2, pushbutton unit 3, the read out instrument 4 at the no end.Read out instrument 4 generally includes display module 41, PCB wiring board 42 and 43 three parts of electronics unit's device, and shown in Fig. 4,5, display module 41 is superimposed upon the front surface of PCB wiring board 42,43 back sides that are superimposed upon PCB wiring board 42 of electronic devices and components.Referring to Fig. 5, the gross thickness of read out instrument 4 is the thickness t 1 of display module 41, the thickness t 2 of PCB wiring board 42, thickness t 3 three's sums of electronic devices and components 43.And in order to hold read out instrument 4, the thickness of housing 1 must be greater than t1, t2, t3 sum, thereby causes the general thickness of elevator calling box thicker.
Secondly, the pushbutton unit 3 of traditional elevator hall buttons adopts stand-alone configuration, and referring to Fig. 3, it comprises button activity main body 31, button answer part (as spring or metal plate spring) 32, button housing 33, wiring board 34, button anchor 35.The drawback that existing free-standing button exists: at first, parts are more, and complex structure be not easy to install, and cost is also high; Secondly, button is replied part and is adopted spring or metal plate spring usually, and these answer parts are all followed Hook's law, thereby makes button that different return forces be arranged when different stroke, causes feel poor, and spring or metal plate spring fatiguability, and service life is short.
Need to realize the transmission of signal between button and display module by button circuit.Existing button circuit is shown in Fig. 6,7: wherein the circuit of Fig. 6 is integrated in the PCB wiring board, and the circuit of Fig. 7 then is assemblied on the button, electrically connects by socket P1 and four leads of P2 butt joint between two circuit.
The button power supply is taken from control housing, and VDD is DC24V-DC32V.When the passenger exhales ladder, button S1 adhesive, at this moment, P1-1 and P1-3 conducting, the in termination is gone into an input port of control chip, when detecting a high level signal, thinks that then this button has calling signal, control chip is transferred to master controller with calling signal, controller response back passback exhales terraced modulating signal for one of control chip, after control chip receives signal, makes aerotron N1 conducting by control Out end, thereby the voltage of P1-2 end is added between P2-2 and the P2-4, lights Push-button lamp LED1.
For intermediate floor, exhale ladder up and exhale terraced descending function, each telltale all must comprise two corresponding Fig. 6,7 to cooperate circuit because must possess simultaneously.
The defective that above-mentioned button circuit exists is:
1, must carry out the signal transmission by at least 3 cables between button and the PCB wiring board, and elevator calling box all needs at least 1 of configuration in each floor of building, so just need a lot of cables, has increased cost; And, need be connected and a lot of cables of dismounting when installing with maintenance, be not easy to installation and maintenance.
2, button input and button signal lamp out-put supply are all taken from the DC24V-DC32V that control housing directly comes out, if voltage instability perhaps has high pressure to seal in, are easy to damage the button signal lamp, even puncture the CPU input port.
Summary of the invention
The invention discloses a kind of ultra thin type elevator calling box and button circuit thereof, it has solved, and existing elevator calling box exists that thickness is thicker, the technical matters of complex structure, cost height and troublesome maintenance.
For solving the technical matters of above-mentioned existence, the technical solution used in the present invention is as follows: a kind of ultra thin type elevator calling box, housing (5), first button (71), second button (72) and the read out instrument (9), the button touch device (10) that comprise the no end, housing (5) has the district of holding, housing (5) has first display window (56) and first button pass through hole (57), second button pass through hole (58), and first display window (56) is by cover plate (6) capping; Read out instrument (9) comprises display module (91), PCB wiring board (92) and electronic devices and components (93), elevator calling box also comprises the case (8) of button and read out instrument, case (8) has second display window (83) and the 3rd button pass through hole (84), the 4th button pass through hole (85), second display window (83) is corresponding with first display window (56) of housing (5), and the 3rd button pass through hole (84), the 4th button pass through hole (85) are corresponding with first button pass through hole (57), second button pass through hole (58) of housing (5) respectively; First button (71), second button (72) are respectively charged into first button pass through hole (57) and the 3rd button pass through hole (84), second button pass through hole (58) and the 4th button pass through hole (85), and first button (71), second button (72) can move with the 4th button pass through hole (85) along first button pass through hole (57) and the 3rd button pass through hole (84), second button pass through hole (58) respectively; Display module (91) is installed in the positive top of PCB wiring board (92), PCB wiring board (92) and case (8) be fixedly linked and insert housing (5) hold the district time, display module (91) is corresponding to second display window (83) of case (8) and first display window (56) of housing (5); Electronic devices and components (93) and button touch device (10) are installed in the positive below of PCB wiring board (92); Button touch device (10) comprises replys pad (101), first conducting film (102), dielectric film (103) and second conducting film (104), reply three button pass through hole (84) of pad (101) by case (8), the 4th button pass through hole (85) back is over against first button (71), second button (72), reply pad (101) back side and be close to first conducting film (102), dielectric film (103) is close at the back side of first conducting film (102), dielectric film (103) and first button (71), the opposite position of second button (72) is perforated, and second conducting film (104) is close at dielectric film (103) back side; After first button (71), second button (72) are pressed, promote to reply pad (101) extruding first conducting film (102), and the conductive cladding that makes first conducting film (102) contacts after by the perforation of dielectric film (103) with the conductive cladding of second conducting film (104).
Described ultra thin type elevator calling box, display module (91) carries contact pin, and contact pin injects reservation pin holes and the welding on the PCB wiring board (92).
Described ultra thin type elevator calling box, display module (91) is drawn flat cable (912), and flat cable (912) connects the socket (913) that is welded on the PCB wiring board (92).
Described ultra thin type elevator calling box, housing (5), case (8) and PCB wiring board (92) are spirally connected by several nails (51).
Described ultra thin type elevator calling box, case (8) links to each other with the PCB wiring board (92) of read out instrument (9) by grab (86).
Described ultra thin type elevator calling box, display module (91) adopts LED charactron, LCD or OLED.
A kind of button circuit of elevator calling box, button circuit transfers to elevator control cabinet by CPU and communication module with signal, CPU is by the level signal of feedback, the order of decoding elevator control cabinet, the signal of handling through CPU shows elevator operation information by display module, CPU, display module and button circuit are installed on the positive below of PCB wiring board (92), apportion two-way after first resistance (R5) of 5V power supply and button circuit links, the first via is by the input port of up switch (S2) and second resistance (R6) back access CPU, and the second the tunnel by inserting another input port of CPU behind downing switch (S3) and the 3rd resistance (R7); Two delivery ports of CPU connect fourth, fifth resistance (R10, R11) of button circuit respectively, the 4th resistance (R10) is connected in series first aerotron (N2), first diode (LED3) and the 6th resistance (R9) successively, and the 5th resistance (R11) is connected in series second aerotron (N3), second diode (LED2) and the 7th resistance (R8) successively.
The button circuit of described elevator calling box, communication module connects CPU by a differential amplifier circuit.
The button circuit of described elevator calling box, CPU is back to elevator control cabinet with signal by communication module by the break-make of an aerotron of control (N5).
Elevator calling box of the present invention carries out ultrathin design to read out instrument, it moves to existing electronic devices and components part the front of wiring board from the back side of wiring board, and be displaced downwardly in the former clearance spaces, referring to Figure 15, the gross thickness of read out instrument is the thickness t 3 of electronic devices and components, because of t3 greater than the thickness t 2 of the thickness t 1 of display module and wiring board each, therefore, read out instrument thickness of the present invention has directly reduced t1 and t2 sum.The present invention utilizes clearance spaces dexterously, with its effective utilization, attenuate the thickness of read out instrument, solved the thickness problem that elevator does not have end hall buttons indirectly.
In addition, the present invention is directed to the shortcoming of existing free-standing button, pushbutton unit is incorporated in the read out instrument, and carry out integral type design, substitute original micro-switch by film assembly, substitute the answer part by replying pad, and cancelled button housing and button anchor, simplify press-button structure, solved space, thickness, the feel of resilience and the problem of cost of button simultaneously.
Button circuit of the present invention is integrated on the wiring board, has not only improved the reliability of transmission, has also reduced a large amount of cables simultaneously, has saved cost, installs and safeguard also to make things convenient for.
Button of the present invention input and Push-button lamp are exported and are all taken from after the display power supply resume module+the 5V power supply, have improved the reliability of button.
Description of drawings
Fig. 1 is the side perspective view of existing elevator calling box.
Fig. 2 is the three-dimensional exploded view of existing elevator calling box.
Fig. 3 is the three-dimensional exploded view of the pushbutton unit of existing elevator calling box.
Fig. 4 is the three-dimensional exploded view of the read out instrument of existing elevator calling box.
Fig. 5 is the stack thickness relationship figure of the read out instrument of existing elevator calling box.
Fig. 6 is the button circuit figure that existing elevator calling box is integrated in the wiring board part.
Fig. 7 is the circuit diagram that existing elevator calling box is assemblied in part on the button.
Fig. 8 is the back view of elevator calling box of the present invention.
Fig. 9 is the A-A view of Fig. 8.
Figure 10 is the B-B view of Fig. 8.
Figure 11 is the C-C view of Fig. 8.
Figure 12 is the STRUCTURE DECOMPOSITION figure of elevator calling box of the present invention.
Figure 13 is the three-dimensional exploded view of elevator calling box of the present invention.
Figure 14 is the three-dimensional exploded view of the read out instrument of elevator calling box of the present invention.
Figure 15 is the stack thickness relationship figure of the read out instrument of elevator calling box of the present invention.
Figure 16 is the contact pin interconnection system block diagram of read out instrument of the present invention.
Figure 17 is the other direction block diagram of the contact pin interconnection system of read out instrument of the present invention.
Figure 18 is the I portion enlarged drawing of Figure 15.
Figure 19 is the three-dimensional exploded view of button touch device of the present invention.
Figure 20 is button touch device action pre-structure figure.
Figure 21 is a button touch device action back constructional drawing.
Figure 22 is the functional block diagram of elevator calling box of the present invention.
Figure 23 A, 23B are button circuit schematic diagrams of the present invention.
Figure 24 is the difference channel schematic diagram that the present invention adopts.
Figure 25 be control chip of the present invention with elevator control cabinet between the circuit diagram that connects.
Figure 26 is the winding displacement interconnection system block diagram of another embodiment read out instrument.
Figure 27 is the other direction block diagram of the winding displacement interconnection system of another embodiment read out instrument.
Figure 28 is the II portion enlarged drawing of Figure 27.
Specific implementation method
The present invention elaborates below in conjunction with description of drawings.
Embodiment one: shown in Fig. 8-13, elevator calling box of the present invention comprises case 8, read out instrument 9, the button touch device 10 of housing 5, button 71,72, button and the read out instrument at the no end.
Insulating materials such as the case 8 employing plastics of button and read out instrument are made, and carry out ultrathin design, be mainly used in button 71,72 and read out instrument 9 are installed.
Two grabs 86 are respectively established, grab 86 and read out instrument 9 snappings in two long limits of case 8.
Shown in Figure 14,16,17,18, read out instrument 9 comprises display module 91, PCB wiring board 92 and electronic devices and components 93, and display module 91 can adopt LED charactron, LCD or OLED, and it is used to show the information of elevator operation.The shape of PCB wiring board 92, big or small similar to case 8, it is used to install display module 91, electronic devices and components 93 and button touch device 10, electronic devices and components such as power module, signal processing module, driver module etc.Have six through holes 921 on the PCB wiring board 92, these six through holes 921 are corresponding with the through hole 82 of the nail 51 of housing 5, case 8 respectively.When housing 5 with case 8, when read out instrument 9 is assembled into one, the nail 51 of housing 5 is screwed by nut 11 after passing the through hole 921 of the through hole 82 of case 8 and PCB wiring board 92.
The read out instrument of elevator calling box of the present invention has changed traditional stacked system, strengthened PCB wiring board 92, its the first half is used to install display module 91, to show that simultaneously needed electronic devices and components 93 move on to positive the latter half of PCB wiring board 92 from the back side of PCB wiring board 92, promptly the electronic devices and components 93 of read out instrument are moved to hall buttons Central Plains button area, thereby attenuate the stack gross thickness of read out instrument of elevator calling box, indirectly attenuate the thickness of hall buttons of the no end.
Shown in Figure 19-21, button touch device 10 comprises that answer pad 101, first conducting film 102, dielectric film 103 and second conducting film, 104, the first conducting films 102, dielectric film 103, second conducting film 104 are the film assembly of one group of 3-tier architecture.Reply on pad 101 fronts two projectioies 1011,1012 by behind the through hole of case 8 over against the lug boss 711,721 of button 71,72, reply pad 101 back sides and be close to first conducting film 102, the back side of first conducting film 102 is dielectric film 103, the opposite position of dielectric film 103 and two button projection portions 711,721 is perforated, and dielectric film 103 back sides are second conducting film 104.First conducting film 102, second conducting film 104 are corresponding to having conductive cladding on the guide pillar position of replying pad 101, and dielectric film 103 is non-conductive layer.Be 10 actions of button touch device under off working state before, dielectric film 103 is isolated first conducting film 102 and second conducting film 104 with the thickness of self.After button is pressed, promote to reply the guide pillar of pad 101, guide pillar pushes first conducting film 102, make 102 deformation of first conducting film, and the conductive cladding that makes first conducting film 102 contacts with the conductive cladding of second conducting film 104 after by the perforation of dielectric film 103, and realize that button touches, and makes elevator calling box show corresponding state.
After button loses pressure, reply pad 101 and make the button resilience, thus pressing button once more.This is replied pad 101 and adopts non-linear resilience design, makes button evenly stressed in the process of pushing with resilience, has good force feedback action.
The present invention carries out the integral type design to button 71,72 and read out instrument 9, substitute original micro-switch by film assembly, substitute the answer part by replying pad, and button housing and button anchor have been cancelled, simplify press-button structure, solved space, thickness, the feel of resilience and the problem of cost of button simultaneously.
Corrosion-resistant steel elevator calling box of the present invention has that good looking appearance is generous, the intensity advantages of higher.
As shown in figure 22, power module: elevator control cabinet output DC24V-DC32V voltage, after switch power module is handled, export stable 5V voltage, for control chip CPU and other each module provide operating voltage.
Communication module: control chip CPU sends push-button switch signal, toggle switch address by communication module to elevator control cabinet.Elevator control cabinet is exhaled terraced response signal by communication module to control chip CPU transmission, as elevator current place floor and service direction information.
Display module: can adopt the LED charactron, also can adopt LCD display or OLD read-out and driving circuit to form, under the effect of control chip CPU, show the current floor character and the service direction of elevator operation.
Toggle switch: 6 toggle switch, corresponding address 0-63, corresponding floor address, each toggle switch address.
Button switch: be used for the passenger and exhale ladder, general interlayer all has two button switchs up and down.
Exhale terraced modulating signal: exhale ladder response indicator lamp, corresponding one an of button switch is exhaled terraced lamp.
When elevator was worked, control chip CPU at first inquired about the address of toggle switch, and this address is sent to elevator control cabinet by communication module; Then inquire about upper and lower on off state of exhaling button, it is sent to elevator control cabinet by communication module.After elevator control cabinet receives the upstream or downstream calling signal of a certain address, response signal is returned to control chip CPU by communication module, after control chip CPU received this signal, the output control signal was lighted the terraced lamp of exhaling of response.When arriving a certain floor, elevator control cabinet will show that by communication module number of floor levels and service direction signal send to control chip CPU, show by display module.When this numerical value will remain to next display data arrival.
Shown in Figure 23 A, 23B, the button circuit principle of elevator calling box of the present invention: up-downgoing hall buttons circuit is integrated on the circuit card, and connects with the display module circuit by golden finger.The button power supply is taken from the 5V power supply after power module is handled.
Apportion two-way after the resistance R 5 of 5V power supply and button circuit links, the first via is by the input port of up switch S 2 and resistance R 6 back access CPU, the second tunnel another input port by access CPU after downing switch S3 and the resistance R 7; Two delivery ports of CPU connect resistance R 10, the R11 of button circuit respectively, and resistance R 10 is connected in series aerotron N2, diode (LED) 3 and resistance R 9 successively, and resistance R 11 is connected in series aerotron N3, diode (LED) 2 and resistance R 8 successively.
When the passenger exhales ladder, button S2 (exhaling terraced up) or S3 (exhaling terraced descending) adhesive, in1 or in2 termination are gone into two input ports of control chip CPU, when detecting a high level signal, think that then this button has calling signal, control chip CPU is transferred to elevator control cabinet with calling signal, elevator control cabinet response back passback exhales terraced modulating signal for control chip CPU, after control chip CPU receives signal, make aerotron N2 or N3 conducting by control out1 or out2 end, thereby light Push-button lamp LED2 or LED3.Wherein, in1, in2, out1, out2 and+5V and display module circuit electrically connect.
Electrically connect by 4 leads between display module and the elevator control cabinet, connecting relation sees the following form:
| 1 | 2 | 3 | 4 |
| L1 | L2 | GND | VDD |
Wherein, the voltage range of VDD is DC24V～DC40V.
L1 and L2 are the difference from elevator control cabinet, synchronous, serial signal, through LM393 modular circuit DA, CK after difference is amplified, insert CPU.Be difference channel as shown in figure 24, control chip CPU is by judging the level signal of DA, CK end, and the order and the signal of decoding elevator control cabinet transfer to circuit such as button display module after treatment and show.
As shown in figure 25, control chip CPU links to each other with the DO end of this circuit, by the high-low level of control DO end, controls the break-make of aerotron N5, and gives elevator control cabinet with signal by the passback of L1 end.
CPU is according to the pressure reduction of L1 and L2, and the logic level of judging communication signal is for " 0 " or be " 1 ", differentiating method such as following table:
| Voltage?difference | DI | Ck |
| (L1-L2)＞0.8V | ‘1’ | ‘0’ |
| 0.8V≥(L1-L2)≥0.3V | undefined | ‘0’ |
| 0.3V＞(L1-L2)＞-0.3V | ‘0’ | ‘0’ |
| -0.3V≥(L1-L2)≥-0.8V | ‘0’ | undefined |
| -0.8＞(L1-L2) | ‘0’ | ‘1’ |
Realize signal transmission judgement.
Embodiment two: shown in Figure 26-28, display module 91 is drawn flat cable 912, is connected to by flat cable 912 on the socket 913 that is welded on the PCB wiring board 92, and display module 91 is connected with PCB wiring board 92.
Other content of present embodiment is identical with embodiment one.
Above-mentioned just to explaining that the embodiment of the invention is done, and be not to its restriction.Those of ordinary skill in the art will be appreciated that, anyly all will fall into protection scope of the present invention to the equivalents that the present invention did.
Claims (6)
1. ultra thin type elevator calling box, housing (5), first button (71), second button (72) and the read out instrument (9), the button touch device (10) that comprise the no end, housing (5) has the district of holding, housing (5) has first display window (56) and first button pass through hole (57), second button pass through hole (58), and first display window (56) is by cover plate (6) capping; Read out instrument (9) comprises display module (91), PCB wiring board (92) and electronic devices and components (93), it is characterized in that: described elevator calling box also comprises the case (8) of button and read out instrument, case (8) has second display window (83) and the 3rd button pass through hole (84), the 4th button pass through hole (85), second display window (83) is corresponding with first display window (56) of housing (5), and the 3rd button pass through hole (84), the 4th button pass through hole (85) are corresponding with first button pass through hole (57), second button pass through hole (58) of housing (5) respectively; First button (71), second button (72) are respectively charged into first button pass through hole (57) and the 3rd button pass through hole (84), second button pass through hole (58) and the 4th button pass through hole (85), and first button (71), second button (72) can move with the 4th button pass through hole (85) along first button pass through hole (57) and the 3rd button pass through hole (84), second button pass through hole (58) respectively;
Display module (91) is installed in the positive top of described PCB wiring board (92), PCB wiring board (92) and case (8) be fixedly linked and insert housing (5) hold the district time, display module (91) is corresponding to second display window (83) of case (8) and first display window (56) of housing (5); Electronic devices and components (93) and button touch device (10) are installed in the positive below of PCB wiring board (92);
Described button touch device (10) comprises replys pad (101), first conducting film (102), dielectric film (103) and second conducting film (104), reply three button pass through hole (84) of pad (101) by case (8), the 4th button pass through hole (85) back is over against first button (71), second button (72), reply pad (101) back side and be close to first conducting film (102), dielectric film (103) is close at the back side of first conducting film (102), dielectric film (103) and first button (71), the opposite position of second button (72) is perforated, and second conducting film (104) is close at dielectric film (103) back side; After first button (71), second button (72) are pressed, promote to reply pad (101) extruding first conducting film (102), and the conductive cladding that makes first conducting film (102) contacts after by the perforation of dielectric film (103) with the conductive cladding of second conducting film (104).
2. ultra thin type elevator calling box according to claim 1 is characterized in that: described display module (91) carries contact pin, and contact pin injects reservation pin holes and the welding on the PCB wiring board (92).
3. ultra thin type elevator calling box according to claim 1 is characterized in that: described display module (91) is drawn flat cable (912), and flat cable (912) connects the socket (913) that is welded on the PCB wiring board (92).
4. ultra thin type elevator calling box according to claim 1 is characterized in that: described housing (5), case (8) and PCB wiring board (92) are spirally connected by several nails (51).
5. ultra thin type elevator calling box according to claim 4 is characterized in that: described case (8) links to each other with the PCB wiring board (92) of read out instrument (9) by grab (86).
6. according to each described ultra thin type elevator calling box of claim 1-3, it is characterized in that: described display module (91) adopts LED charactron, LCD or OLED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100972093A CN101519173B (en) | 2009-03-30 | 2009-03-30 | Ultra thin type elevator calling box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100972093A CN101519173B (en) | 2009-03-30 | 2009-03-30 | Ultra thin type elevator calling box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101519173A CN101519173A (en) | 2009-09-02 |
| CN101519173B true CN101519173B (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100972093A Active CN101519173B (en) | 2009-03-30 | 2009-03-30 | Ultra thin type elevator calling box |
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| CN (1) | CN101519173B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5595418B2 (en) * | 2009-12-02 | 2014-09-24 | 三菱電機株式会社 | Elevator operation indicator |
| CN103420236A (en) * | 2013-08-15 | 2013-12-04 | 沈阳博林特电梯股份有限公司 | Self-positioning elevator landing call box |
| CN103686492A (en) * | 2013-11-29 | 2014-03-26 | 谢虹 | Bluetooth voice box |
| CN104724564A (en) * | 2015-03-26 | 2015-06-24 | 江苏莘翔机电有限公司 | Lift direction lamp display device |
| CN108750847A (en) * | 2018-04-28 | 2018-11-06 | 江苏威尔曼科技有限公司 | A kind of elevator outer calling device of application screen fingerprint technique |
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2009
- 2009-03-30 CN CN2009100972093A patent/CN101519173B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101519173A (en) | 2009-09-02 |
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Effective date of registration: 20201229 Address after: No. 168, Hongda Road, Yuhang Economic Development Zone, Hangzhou, Zhejiang 311103 Patentee after: HANGZHOU XO-LIFT Co.,Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 1181 Patentee before: HANGZHOU OPTIMAX TECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A ultra-thin elevator call box Granted publication date: 20110504 Pledgee: Zhejiang Commercial Bank Co.,Ltd. Hangzhou Linping Branch Pledgor: HANGZHOU XO-LIFT Co.,Ltd. Registration number: Y2024980001764 |