CN204115800U - Direct reading character - Google Patents
Direct reading character Download PDFInfo
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- CN204115800U CN204115800U CN201420522759.1U CN201420522759U CN204115800U CN 204115800 U CN204115800 U CN 204115800U CN 201420522759 U CN201420522759 U CN 201420522759U CN 204115800 U CN204115800 U CN 204115800U
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- character wheel
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- middle character
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- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 239000011521 glass Substances 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a kind of direct reading character, belongs to field of instrumentation technology.It solve existing diaphragm gas meter to there is check meter difficulty, the gas expense of registering one's residence and take over difficult problem.This direct reading character, comprise the character wheel support of rectangular frame-shaped, be arranged in the print wheel shaft on character wheel support and be set in the last position wheel on print wheel shaft successively, middle character wheel and lead-in are taken turns, character wheel support also has the transmission shaft coaxially arranged with print wheel shaft, transmission shaft is arranged with successively take turns with lead-in simultaneously and eight gear wheels one that middle character wheel is in transmission connection with while take turns with middle character wheel and last position eight gear wheels two be in transmission connection, the sidewall of character wheel support is provided with the direct-reading module of the circuit main board for transferring signals to diaphragm gas meter, direct-reading module is connected with the POS for showing numerical value.The utility model has that structure is simple, reading accuracy is high changes and the advantages such as signal transmission accurate quick.
Description
Technical field
The utility model belongs to field of instrumentation technology, relates to a kind of direct reading character, particularly a kind of direct reading character of diaphragm gas meter.
Background technology
Existing diaphragm gas meter generally includes counting mechanism, drive mechanism and burglar-proof mechanism, and wherein counting mechanism has character wheel display reading usually, the display of IC-card liquid crystal display is read, wired remote-transmission shows reading and wireless remote transmission shows reading 4 kinds of modes.The counting mode that character wheel display is read, the display of IC-card liquid crystal display is read needs closely to copy before the gas meter, flow meter of each client to get record, although reliable reading but very inconvenient, generally there is the problem of " difficulty of checking meter of registering one's residence " " gas expense takes over difficulty ", add up bothersome effort, also relate to the privacy of client, safety issue, just progressively by market.
For above problem, the mode that teletransmission is checked meter once was risen, although can effectively avoid above-mentioned situation, but its reliability is not high, add that it installs complicated, maintenance cost is too high, the skyscraper of present rise also limit the development of wired remote-transmission, must look for a kind of new transmission log mode.Therefore, wireless remote transmission counting mechanism arises at the historic moment, and by Wireless Data Transmission, gathers and focuses on, supplier easily can add up customer data, add that it is easy for installation, maintenance cost is cheap, just progressively replace old meter reading method, become the preferred version that house is checked meter.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of reasonable in design, reads direct reading character easily.
The purpose of this utility model realizes by following technical proposal:
This direct reading character, comprise the character wheel support of rectangular frame-shaped, be arranged in the print wheel shaft on character wheel support and be set in the last position wheel on print wheel shaft successively, middle character wheel and lead-in are taken turns, it is characterized in that, described character wheel support also has the transmission shaft coaxially arranged with print wheel shaft, described transmission shaft is arranged with successively take turns with lead-in simultaneously and eight gear wheels one that middle character wheel is in transmission connection with while take turns with middle character wheel and last position eight gear wheels two be in transmission connection, the sidewall of described character wheel support is provided with the direct-reading module of the circuit main board for transferring signals to diaphragm gas meter, described direct-reading module is connected with the POS for showing numerical value.
Direct-reading module is connected with circuit main board by a data lines, for POS provides sampled data, reaches counting object.
In above-mentioned direct reading character, described middle character wheel is six: with lead-in take turns be disposed adjacent in character wheel one, middle character wheel two, middle character wheel three, middle character wheel four, middle character wheel five and with last position take turns be disposed adjacent in character wheel six, eight described gear wheels one are taken turns with lead-in simultaneously and middle character wheel one is in transmission connection, eight described gear wheels two are taken turns with middle character wheel six and last position simultaneously and are in transmission connection, described transmission shaft is also arranged with eight gear wheels three be simultaneously in transmission connection with middle character wheel one and middle character wheel two, eight gear wheels four be simultaneously in transmission connection with middle character wheel two and middle character wheel three, eight gear wheels five be simultaneously in transmission connection with middle character wheel three and middle character wheel four, eight gear wheels six be simultaneously in transmission connection with middle character wheel four and middle character wheel five, eight gear wheels seven be simultaneously in transmission connection with middle character wheel five and middle character wheel six, eight described gear wheels one, eight gear wheels three, eight gear wheels four, eight gear wheels five, eight gear wheels six, eight gear wheel seven and eight gear wheels two set gradually.
In above-mentioned direct reading character, described direct-reading module comprises base plate, be vertical at six side plates stretched in character wheel support on base plate: side plate one, side plate two, side plate three, side plate four, side plate five and side plate six, described side plate one is between middle character wheel two and middle character wheel three, described side plate two is between middle character wheel three and middle character wheel four, described side plate three is between middle character wheel four and middle character wheel five, described side plate four is between middle character wheel five and middle character wheel six, described side plate five is between middle character wheel six and last position are taken turns, described side plate six is arranged in the side of last position wheel principle character wheel six, photoelectric sensor one is provided with between described side plate one and side plate two, photoelectric sensor two is provided with between described side plate two and side plate three, photoelectric sensor three is provided with between described side plate three and side plate four, photoelectric sensor four is provided with between described side plate four and side plate five, photoelectric sensor five is provided with between described side plate five and side plate six.
In above-mentioned direct reading character, described middle character wheel three, middle character wheel four, middle character wheel five, middle character wheel six and last position wheel are also provided with half slot, described photoelectric sensor one comprise be located at five transmitters on side plate one and be located on side plate two with five corresponding five receivers arranged of transmitter, described photoelectric sensor two comprise be located at five transmitters on side plate two and be located on side plate three with five corresponding five receivers arranged of transmitter, described photoelectric sensor three comprise be located at five transmitters on side plate three and be located on side plate four with five corresponding five receivers arranged of transmitter, described photoelectric sensor four comprise be located at five transmitters on side plate four and be located on side plate five with five corresponding five receivers arranged of transmitter, described photoelectric sensor five comprise be located at five transmitters on side plate five and be located on side plate six with five corresponding five receivers arranged of transmitter.Wherein, middle character wheel three, middle character wheel four, middle character wheel five, middle character wheel six are identical with the structure that last position is taken turns.
In above-mentioned direct reading character, five transmitters on described side plate one and print wheel shaft are that center of circle circular array is on side plate one, the sequence size of described transmitter is corresponding with the half slot on middle character wheel three, five transmitters on described side plate two and print wheel shaft are that center of circle circular array is on side plate two, the sequence size of described transmitter is corresponding with the half slot on middle character wheel four, five transmitters on described side plate three and print wheel shaft are that center of circle circular array is on side plate three, the sequence size of described transmitter is corresponding with the half slot on middle character wheel five, five transmitters on described side plate four and print wheel shaft are that center of circle circular array is on side plate four, the sequence size of described transmitter is corresponding with the half slot on middle character wheel six, five transmitters on described side plate five and print wheel shaft are that center of circle circular array is on side plate five, the half slot that the sequence size of described transmitter is taken turns with last position is corresponding.
For the receiver between side plate one and side plate two and transmitter: the receiver on side plate two receives through the half slot on middle character wheel three photosignal that the transmitter on side plate one sends, and photosignal is passed to circuit main board.
In above-mentioned direct reading character, described character wheel support is provided with glass cover-plate.
Concrete principle of work is as follows: taken turns by last position wheel, middle character wheel and lead-in and rotate, photoelectric sensor in direct-reading module can start sampling work, the receiver now having varying number receives the photosignal of character wheel opposite side transmitter transmitting through the half slot that middle character wheel and last position are taken turns, produce different composite signals and be transferred to circuit main board, finally character wheel accuracy of reading is reflected to supply and demand side record in POS and uses.
Compared with prior art, this direct reading character has the following advantages:
Reasonable in design, structure is comparatively simple, and easy for installation, between receiver and transmitter, be provided with half slot, the signal of transmitter can better be received device and received, and reading accuracy is high, signal transmission accurate quick.
Accompanying drawing explanation
Fig. 1 is the structural representation of the direct reading character that the utility model provides.
Fig. 2 is the structural representation of the character wheel support that the utility model provides.
Fig. 3 is the structural representation of the direct-reading module that the utility model provides.
Fig. 4 is the structural representation of the middle character wheel three that the utility model provides.
Fig. 5 is the structural representation of eight gear wheels one that the utility model provides.
In figure, 1, character wheel support; 11, print wheel shaft; 12, transmission shaft; 2, last position wheel; 3, lead-in wheel; 41, eight gear wheels one; 42, eight gear wheels two; 5, direct-reading module; 50, base plate; 51, side plate one; 52, side plate two; 53, side plate three; 54, side plate four; 55, side plate five; 56, side plate six; 61, middle character wheel one; 62, middle character wheel two; 63, middle character wheel three; 64, middle character wheel four; 65, middle character wheel five; 66, middle character wheel six; 60, half slot; 71, transmitter; 72, receiver; 8, glass cover-plate.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Direct reading character as shown in Figure 1, comprise the character wheel support 1 of rectangular frame-shaped, be arranged in the print wheel shaft 11 on character wheel support 1 and be set in the last position wheel 2 on print wheel shaft 11 successively, middle character wheel and lead-in take turns 3, the structure of character wheel support 1 as shown in Figure 2, character wheel support 1 also has the coaxial transmission shaft 12 arranged with print wheel shaft 11, transmission shaft 12 is arranged with successively take turns with lead-in simultaneously 3 and eight gear wheels 1 that are in transmission connection of middle character wheel and while take turns 2 eight gear wheels 2 42 be in transmission connection with middle character wheel and last position, the sidewall of character wheel support 1 is provided with the direct-reading module 5 of the circuit main board for transferring signals to diaphragm gas meter, direct-reading module 5 is connected with the POS for showing numerical value.In the present embodiment, direct-reading module 5 is connected with circuit main board by a data lines, for POS provides sampled data, reaches counting object.As described in Figure 1, character wheel support 1 is provided with glass cover-plate 8.
As shown in Figure 1, middle character wheel is six: with lead-in take turns 3 be disposed adjacent in character wheel 1, middle character wheel 2 62, middle character wheel 3 63, middle character wheel 4 64, middle character wheel 5 65 and with last position take turns 2 be disposed adjacent in character wheel 6 66, eight gear wheels 1 take turns with lead-in simultaneously 3 and middle character wheel 1 be in transmission connection, eight gear wheels 2 42 are taken turns 2 with middle character wheel 6 66 and last position simultaneously and are in transmission connection, transmission shaft 12 is also arranged with eight gear wheels three be simultaneously in transmission connection with middle character wheel 1 and middle character wheel 2 62, eight gear wheels four be simultaneously in transmission connection with middle character wheel 2 62 and middle character wheel 3 63, eight gear wheels five be simultaneously in transmission connection with middle character wheel 3 63 and middle character wheel 4 64, eight gear wheels six be simultaneously in transmission connection with middle character wheel 4 64 and middle character wheel 5 65, eight gear wheels seven be simultaneously in transmission connection with middle character wheel 5 65 and middle character wheel 6 66, eight gear wheels 1, eight gear wheels three, eight gear wheels four, eight gear wheels five, eight gear wheels six, eight gear wheel seven and eight gear wheels 2 42 set gradually.
As shown in Figure 3, direct-reading module 5 comprises base plate 50, be vertical at six side plates stretched in character wheel support 1 on base plate 50: side plate 1, side plate 2 52, side plate 3 53, side plate 4 54, side plate 5 55 and side plate 6 56, side plate 1 is between middle character wheel 2 62 and middle character wheel 3 63, side plate 2 52 is between middle character wheel 3 63 and middle character wheel 4 64, side plate 3 53 is between middle character wheel 4 64 and middle character wheel 5 65, side plate 4 54 is between middle character wheel 5 65 and middle character wheel 6 66, side plate 5 55 take turns between 2 at middle character wheel 6 66 and last position, side plate 6 56 is arranged in the side that 2 principle character wheels 6 66 are taken turns in last position, photoelectric sensor one is provided with between side plate 1 and side plate 2 52, photoelectric sensor two is provided with between side plate 2 52 and side plate 3 53, photoelectric sensor three is provided with between side plate 3 53 and side plate 4 54, photoelectric sensor four is provided with between side plate 4 54 and side plate 5 55, photoelectric sensor five is provided with between side plate 5 55 and side plate 6 56.
Concrete, as shown in Figure 4, middle character wheel 3 63, middle character wheel 4 64, middle character wheel 5 65, middle character wheel 6 66 and last position wheel 2 are also provided with half slot 60, as shown in Figure 3, photoelectric sensor one comprise be located at five transmitters on side plate 1 71 and be located on side plate 2 52 with five corresponding five receivers 72 arranged of transmitter 71, photoelectric sensor two comprise be located at five transmitters on side plate 2 52 71 and be located on side plate 3 53 with five corresponding five receivers 72 arranged of transmitter 71, photoelectric sensor three comprise be located at five transmitters on side plate 3 53 71 and be located on side plate 4 54 with five corresponding five receivers 72 arranged of transmitter 71, photoelectric sensor four comprise be located at five transmitters on side plate 4 54 71 and be located on side plate 5 55 with five corresponding five receivers 72 arranged of transmitter 71, photoelectric sensor five comprise be located at five transmitters on side plate 5 55 71 and be located on side plate 6 56 with five corresponding five receivers 72 arranged of transmitter 71.Wherein, middle character wheel 3 63, middle character wheel 4 64, middle character wheel 5 65, middle character wheel 6 66 are identical with the structure of last position wheel 2.
In the present embodiment, as shown in Figure 3, five transmitters 71 on side plate 1 are that center of circle circular array is on side plate 1 with print wheel shaft 11, the sequence size of transmitter 71 is corresponding with the half slot 60 on middle character wheel 3 63, five transmitters 71 on side plate 2 52 are that center of circle circular array is on side plate 2 52 with print wheel shaft 11, the sequence size of transmitter 71 is corresponding with the half slot 60 on middle character wheel 4 64, five transmitters 71 on side plate 3 53 are that center of circle circular array is on side plate 3 53 with print wheel shaft 11, the sequence size of described transmitter 71 is corresponding with the half slot 60 on middle character wheel 5 65, five transmitters 71 on side plate 4 54 are that center of circle circular array is on side plate 4 54 with print wheel shaft 11, the sequence size of transmitter 71 is corresponding with the half slot 60 on middle character wheel 6 66, five transmitters 71 on side plate 5 55 are that center of circle circular array is on side plate 5 55 with print wheel shaft 11, the half slot 60 that sequence size and the last position of transmitter 71 are taken turns on 2 is corresponding.
Concrete, as shown in Figure 3, the photosignal that the transmitter 71 that the receiver 72 on side plate 2 52 receives on side plate 1 through the half slot 60 on middle character wheel 3 63 sends, passes to circuit main board by photosignal.
Concrete principle of work is as follows: take turns 3 by last position wheel 2, middle character wheel and lead-in and rotate, photoelectric sensor in direct-reading module 5 can start sampling work, the receiver 72 now having a varying number receives through the half slot 60 of middle character wheel and last position wheel 2 photosignal that character wheel opposite side transmitter 71 launches, produce different composite signals and be transferred to circuit main board, finally character wheel accuracy of reading is reflected to supply and demand side record in POS and uses.In use each parts just can normally be employed according to correct the fitting together of normal production procedure.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. a direct reading character, comprise the character wheel support (1) of rectangular frame-shaped, be arranged in the print wheel shaft (11) on character wheel support (1) and be set in last position wheel (2) on print wheel shaft (11) successively, middle character wheel and lead-in are taken turns (3), it is characterized in that, described character wheel support (1) also has the coaxial transmission shaft (12) arranged with print wheel shaft (11), described transmission shaft (12) is arranged with successively take turns with lead-in simultaneously eight gear wheels one (41) that (3) and middle character wheel be in transmission connection and while take turns with middle character wheel and last position eight gear wheels two (42) that (2) be in transmission connection, the sidewall of described character wheel support (1) is provided with the direct-reading module (5) of the circuit main board for transferring signals to diaphragm gas meter, described direct-reading module (5) is connected with the POS for showing numerical value.
2. direct reading character according to claim 1, is characterized in that, described middle character wheel is six: take turns the middle character wheel one (61) that (3) are disposed adjacent with lead-in, middle character wheel two (62), middle character wheel three (63), middle character wheel four (64), middle character wheel five (65) and take turns the middle character wheel six (66) that (2) be disposed adjacent with last position, eight described gear wheels one (41) take turns (3) with lead-in simultaneously and middle character wheel one (61) is in transmission connection, eight described gear wheels two (42) are taken turns (2) with middle character wheel six (66) and last position simultaneously and are in transmission connection, and described transmission shaft (12) are also arranged with eight gear wheels three be simultaneously in transmission connection with middle character wheel one (61) and middle character wheel two (62), eight gear wheels four be simultaneously in transmission connection with middle character wheel two (62) and middle character wheel three (63), eight gear wheels five be simultaneously in transmission connection with middle character wheel three (63) and middle character wheel four (64), eight gear wheels six be simultaneously in transmission connection with middle character wheel four (64) and middle character wheel five (65), eight gear wheels seven be simultaneously in transmission connection with middle character wheel five (65) and middle character wheel six (66), eight described gear wheels one (41), eight gear wheels three, eight gear wheels four, eight gear wheels five, eight gear wheels six, eight gear wheel seven and eight gear wheels two (42) set gradually.
3. direct reading character according to claim 2, it is characterized in that, described direct-reading module (5) comprises base plate (50), be vertical at six side plates stretched in character wheel support (1) on base plate (50): side plate one (51), side plate two (52), side plate three (53), side plate four (54), side plate five (55) and side plate six (56), described side plate one (51) is arranged between character wheel two (62) and character wheel three (63), described side plate two (52) is arranged between character wheel three (63) and character wheel four (64), described side plate three (53) is arranged between character wheel four (64) and character wheel five (65), described side plate four (54) is arranged between character wheel five (65) and character wheel six (66), described side plate five (55) is arranged in character wheel six (66) and last position is taken turns between (2), described side plate six (56) is arranged in the side of last position wheel (2) principle character wheel six (66), photoelectric sensor one is provided with between described side plate one (51) and side plate two (52), photoelectric sensor two is provided with between described side plate two (52) and side plate three (53), photoelectric sensor three is provided with between described side plate three (53) and side plate four (54), photoelectric sensor four is provided with between described side plate four (54) and side plate five (55), photoelectric sensor five is provided with between described side plate five (55) and side plate six (56).
4. direct reading character according to claim 3, it is characterized in that, described middle character wheel three (63), middle character wheel four (64), middle character wheel five (65), middle character wheel six (66) and last position wheel (2) are also provided with half slot (60), described photoelectric sensor one comprise five transmitters (71) being located on side plate one (51) and be located on side plate two (52) with five corresponding five receivers (72) arranged of transmitter (71), described photoelectric sensor two comprise five transmitters (71) being located on side plate two (52) and be located on side plate three (53) with five corresponding five receivers (72) arranged of transmitter (71), described photoelectric sensor three comprise five transmitters (71) being located on side plate three (53) and be located on side plate four (54) with five corresponding five receivers (72) arranged of transmitter (71), described photoelectric sensor four comprise five transmitters (71) being located on side plate four (54) and be located on side plate five (55) with five corresponding five receivers (72) arranged of transmitter (71), described photoelectric sensor five comprise five transmitters (71) being located on side plate five (55) and be located on side plate six (56) with five corresponding five receivers (72) arranged of transmitter (71).
5. direct reading character according to claim 4, it is characterized in that, five transmitters (71) on described side plate one (51) and print wheel shaft (11) are for center of circle circular array is on side plate one (51), the sequence size of described transmitter (71) is corresponding with the half slot (60) on middle character wheel three (63), five transmitters (71) on described side plate two (52) and print wheel shaft (11) are for center of circle circular array is on side plate two (52), the sequence size of described transmitter (71) is corresponding with the half slot (60) on middle character wheel four (64), five transmitters (71) on described side plate three (53) and print wheel shaft (11) are for center of circle circular array is on side plate three (53), the sequence size of described transmitter (71) is corresponding with the half slot (60) on middle character wheel five (65), five transmitters (71) on described side plate four (54) and print wheel shaft (11) are for center of circle circular array is on side plate four (54), the sequence size of described transmitter (71) is corresponding with the half slot (60) on middle character wheel six (66), five transmitters (71) on described side plate five (55) and print wheel shaft (11) are for center of circle circular array is on side plate five (55), the half slot (60) that the sequence size of described transmitter (71) is taken turns with last position on (2) is corresponding.
6. the direct reading character according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described character wheel support (1) is provided with glass cover-plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522759.1U CN204115800U (en) | 2014-09-12 | 2014-09-12 | Direct reading character |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522759.1U CN204115800U (en) | 2014-09-12 | 2014-09-12 | Direct reading character |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115800U true CN204115800U (en) | 2015-01-21 |
Family
ID=52333099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420522759.1U Active CN204115800U (en) | 2014-09-12 | 2014-09-12 | Direct reading character |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767990A (en) * | 2017-01-18 | 2017-05-31 | 莱芜欧利电子有限公司 | A kind of passive high-frequency induction method direct-reading measuring instrument register |
| CN107421597A (en) * | 2017-06-28 | 2017-12-01 | 金卡智能集团股份有限公司 | A kind of metering device accounting device mounting assembly and gas meter, flow meter |
-
2014
- 2014-09-12 CN CN201420522759.1U patent/CN204115800U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767990A (en) * | 2017-01-18 | 2017-05-31 | 莱芜欧利电子有限公司 | A kind of passive high-frequency induction method direct-reading measuring instrument register |
| CN106767990B (en) * | 2017-01-18 | 2023-02-28 | 莱芜欧利电子有限公司 | Counter for passive high-frequency induction direct-reading metering device |
| CN107421597A (en) * | 2017-06-28 | 2017-12-01 | 金卡智能集团股份有限公司 | A kind of metering device accounting device mounting assembly and gas meter, flow meter |
| CN107421597B (en) * | 2017-06-28 | 2023-08-25 | 金卡智能集团股份有限公司 | Metering device counter installation component and gas table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 317511 No. 1 Luhai Road, East New Area, Wenling City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Songchuan Instrument Technology Co.,Ltd. Country or region after: China Address before: No. 8 Linshi Road, Songmen Town, Wenling City, Taizhou City, Zhejiang Province, 317511 Patentee before: ZHEJIANG SEARCH INSTRUMENT TECHNOLOGY CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |