CN205027236U - Gray code area intelligence tape measure with deceive coating entirely - Google Patents
Gray code area intelligence tape measure with deceive coating entirely Download PDFInfo
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- CN205027236U CN205027236U CN201520764333.1U CN201520764333U CN205027236U CN 205027236 U CN205027236 U CN 205027236U CN 201520764333 U CN201520764333 U CN 201520764333U CN 205027236 U CN205027236 U CN 205027236U
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- 239000011248 coating agent Substances 0.000 title claims abstract description 35
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- 238000005259 measurement Methods 0.000 description 9
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Abstract
The utility model discloses a gray code area intelligence tape measure with deceive coating entirely is provided with one at intelligent diameter tape and is used for preventing that the transmission of outside infrared light is to the intelligent diameter tape in and the infrared light transmission that prevents the infrared device transmission to the outer coating of deceiving entirely of intelligent diameter tape. The influence of external infrared light to the infrared device measuring result inside the intelligent diameter tape has so effectively been avoided for the measuring result of intelligence tape measure is more accurate.
Description
Technical field
The utility model relates to Intelligent measuring tape technical field, in particular a kind of Gray code band Intelligent measuring tape with complete black coating.
Background technology
Gray code belongs to Reliability codes, is a kind of coded system of error minimization.Such as, because although natural binary code directly can convert simulating signal to by D/A, in some situation, when being converted to 4 from metric 3, each of binary code all will become, and digital circuit can be made to produce very large peak current pulse.Gray code does not then have this shortcoming, when it changes between adjacent bit, only has one to change.It greatly reduces by a state obscuring to logic during next state.Two interblocks adjacent due to this coding only have a difference, thus in the conversion of the straight-line displacement amount-digital quantity for direction, when straight-line displacement amount generation subtle change is (and when may cause digital quantity to change, Gray code only changes one, more reliable compared with the situation simultaneously changing two or multidigit of encoding with other like this, the possibility of makeing mistakes can be reduced.
In prior art, the Gray of employing code-disc is used for detecting or counting more; read Gray's code-disc at scrambler or brushgear and often there will be the phenomenon of jumping brush or leaking brush; namely because brushgear rotating speed is too fast; occur that brushgear bounced certain Gray code; cause the phenomenon of miscount, be unfavorable for the use of Gray code.Meanwhile, Gray's code-disc is arranged in Intelligent measuring tape body and takies comparatively large inner space, make device volume larger.And, can not the function of anti-extraneous Infrared interference in existing Intelligent measuring tape.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Gray code band Intelligent measuring tape with complete black coating, being intended to solve in prior art can not the Intelligent measuring tape of anti-extraneous Infrared interference, makes measurement result be subject to the defect that the interference of extraneous Infrared is larger.
The technical solution of the utility model is as follows:
A kind of Gray code band Intelligent measuring tape with complete black coating, wherein, comprise Intelligent measuring tape body, and be arranged on the tape band also can extracted out in described Intelligent measuring tape body, the front and back of described tape band all arranges at least one Gray's code channel, and the Gray code in described Gray's code channel repeats to arrange by designated period; Also arrange with Gray's code channel one_to_one corresponding, for reading the infrared transceiver device of Gray code in Gray's code channel in described Intelligent measuring tape body; One is also provided with for preventing outside Infrared to be transmitted through in Intelligent measuring tape body and the Infrared preventing infrared transceiver device from launching is transmitted through this external complete black coating of Intelligent measuring tape in described Intelligent measuring tape body.
The described Gray code band Intelligent measuring tape with complete black coating, wherein, be also provided with the switchgear opened for controlling described infrared transceiver device or close in described Intelligent measuring tape body, described switchgear is electrically connected with described infrared transceiver device.
The described Gray code band Intelligent measuring tape with complete black coating, wherein, the front and back of described tape band is provided with 3 Gray's code channels all from bottom to up.
The described Gray code band Intelligent measuring tape with complete black coating, wherein, the front of described tape band arranges low three Gray's code channels, is respectively first Gray's code channel, second Gray code channel and the 3rd Gray's code channel.
The described Gray code band Intelligent measuring tape with complete black coating, wherein, just 3 infrared transceiver devices are provided with to the side in tape band front in described Intelligent measuring tape body, are respectively the first infrared transceiver device, the second infrared transceiver device and the 3rd infrared transceiver device; Wherein, described first infrared transceiver device is just to described first Gray's code channel, and described second infrared transceiver device is just to described second Gray code channel, and described 3rd infrared transceiver device is just to described 3rd Gray's code channel.
The described Gray code band Intelligent measuring tape with complete black coating, wherein, the back side of described tape band arranges high three Gray's code channels, is respectively the 4th Gray's code channel, the 5th Gray's code channel and the 6th Gray's code channel.
The described Gray code band Intelligent measuring tape with complete black coating, wherein, just 3 infrared transceiver devices are provided with to the side at the tape band back side in described Intelligent measuring tape body, are respectively the 4th infrared transceiver device, the 5th infrared transceiver device and the 6th infrared transceiver device; Wherein, described 4th infrared transceiver device is just to described 4th Gray's code channel, and described 5th infrared transceiver device is just to described 5th Gray's code channel, and described 6th infrared transceiver device is just to described 6th Gray's code channel.
Beneficial effect: the Gray code band Intelligent measuring tape with complete black coating described in the utility model, is provided with one for preventing outside Infrared to be transmitted through in Intelligent measuring tape body and the Infrared preventing infrared transceiver device from launching is transmitted through this external complete black coating of Intelligent measuring tape at Intelligent measuring tape body.Effectively prevent the impact of extraneous Infrared on the infrared transceiver device measurement result of Intelligent measuring tape body interior like this, make the measurement result of Intelligent measuring tape more accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation with the Gray code band Intelligent measuring tape preferred embodiment of complete black coating described in the utility model.
Fig. 2 is the explosive view with the Gray code band Intelligent measuring tape preferred embodiment of complete black coating described in the utility model.
Fig. 3 is the schematic diagram with tape band front in the Gray code band Intelligent measuring tape preferred embodiment of complete black coating described in the utility model.
Fig. 4 is the schematic diagram with the tape band back side in the Gray code band Intelligent measuring tape preferred embodiment of complete black coating described in the utility model.
Embodiment
The utility model provides a kind of Gray code band Intelligent measuring tape with complete black coating, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please simultaneously see Fig. 1-Fig. 2, wherein Fig. 1 is the structural representation with the Gray code band Intelligent measuring tape preferred embodiment of complete black coating described in the utility model, Fig. 2 is the explosive view with the Gray code band Intelligent measuring tape preferred embodiment of complete black coating described in the utility model, the described Gray code band Intelligent measuring tape with complete black coating, comprise Intelligent measuring tape body 100, and be arranged on the tape band 200 also can extracted out in described Intelligent measuring tape body 100, the front and back of described tape band 200 all arranges at least one Gray's code channel, Gray code in described Gray's code channel repeats to arrange by designated period, also arrange with Gray's code channel one_to_one corresponding, for reading the infrared transceiver device 300 of Gray code in Gray's code channel in described Intelligent measuring tape body 100, one is also provided with for preventing outside Infrared to be transmitted through in Intelligent measuring tape body 100 and the Infrared preventing infrared transceiver device from launching is transmitted through complete black coating 120 outside Intelligent measuring tape body 100 in described Intelligent measuring tape body 100.Effectively prevent the impact of extraneous Infrared on infrared transceiver device 300 measurement result of Intelligent measuring tape body 100 inside like this.
Further, as shown in Figure 2, be also provided with the switchgear opened for controlling described infrared transceiver device or close in described Intelligent measuring tape body 100, described switchgear is electrically connected with described infrared transceiver device 300.Described switchgear comprises the code-disc (not marking in figure, in fig. 2 the bottom surface of pcb board 400) be arranged in Intelligent measuring tape body 100 on pcb board 400 and the brush 410 touched with described code-disc.When tape band 200 then drives brush 410 to rotate when pulled, contact chips different in code-disc is constantly touched when brush 410 rotates, and produce pulse (being also switch triggering signal), now then the Gray code opened on infrared transceiver device 300 pairs of tape bands 200 carries out reading.When brush 410 stops operating, then infrared transceiver device 300 enters energy saving standby state or enters closed condition.Like this, infrared reading device is a direct-open not, but opens under the control of switchgear, effectively saves electric energy.
During concrete enforcement, described infrared transceiver device 300 comprises infrared transmission module and infrared receiving module, and described infrared transmission module connects infrared receiving module, and described infrared receiving module connects the MCU control chip in Intelligent measuring tape.
During concrete enforcement, described Intelligent measuring tape body 100 is also provided with the display screen for the real time readouts and state showing Intelligent measuring tape; The radio receiving transmitting module for the data of Intelligent measuring tape being sent to mobile terminal or mobile terminal receive transmission data is also provided with in described Intelligent measuring tape body 100; The power supply for powering also is provided with in described Intelligent measuring tape body 100.More specifically, described display screen is E-ink display screen, TN display screen, STN display screen or TFT display screen; Described radio receiving transmitting module is bluetooth module.
Further, as shown in Figure 3 and Figure 4, the tow sides of described tape band 200 are provided with at least one linear Gray's code channel 210, and described Gray's code channel 210 is provided with multiple counting Gray code.During concrete enforcement, as depicted in figs. 1 and 2, described Intelligent measuring tape body 100 is provided with tape band outlet 110, is provided with and described Gray's code channel 210 infrared transceiver device 300 one to one near the position of tape band outlet 110 in described Intelligent measuring tape body 100.
Because the same face all Gray's code channels 210 being all arranged on tape band 200 can increase the width of tape band 200, namely the height of tape band outlet 110 is increased, namely add the thickness of Intelligent measuring tape body 100, thus increase the volume of whole Intelligent measuring tape, be not easy to user and carry.
If when Gray's code channel 210 is arranged on the two sides of tape band 200, then can reduce the width of tape band 200, be conducive to the volume reducing Intelligent measuring tape, be convenient to user and carry.
Such as, when tape band 200 being provided with altogether 6 Gray's code channels 210, N number of Gray's code channel (wherein 1≤N≤6, and N is positive integer) can be set in front, (6-N) individual Gray's code channel is set overleaf.Height due to each Gray's code channel 210 is all equal and be fixed value, the height sum of Gray's code channel 210 of tape band 200 the same face equals the width of tape band 200, therefore when number and the number of Gray's code channel 210 at tape band 200 back side of Gray's code channel 210 in tape band 200 front differ 1 or complete equal time, the width of tape band 200 can be down to minimum.
Preferably, as shown in Figure 3 and Figure 4, the front of described tape band 200 and the back side are provided with 3 Gray's code channels 210 all from bottom to up; The front of described tape band 200 arranges low three Gray's code channels, is respectively first Gray's code channel 211, second Gray code channel 212 and the 3rd Gray's code channel 213; The back side of described tape band 200 arranges high three Gray's code channels, is respectively the 4th Gray's code channel 214, the 5th Gray's code channel 215 and the 6th Gray's code channel 216.
In the specific implementation, as shown in Figure 3, described first Gray's code channel 211 is provided with black and white and replaces first the black code of Gray's code channel and first Gray code spoken parts in an opera code that occur successively, the breadth extreme of described first black code of Gray's code channel is 2mm.As shown in Figure 4, described 4th Gray's code channel 214 is provided with black and white and replaces the 4th the black code of Gray's code channel and the 4th Gray code spoken parts in an opera code that occur successively, the breadth extreme of described 4th the black code of Gray's code channel is 16mm.When the breadth extreme of described first black code of Gray's code channel is set to 2mm, then in the 6th Gray's code channel 216, each length cycles is that namely 64mm(only occurs once black code in same period, also only there is once white code), be also the repetition period L that 6 Gray codes are set in tape band 200
tfor 64mm.In like manner, when the breadth extreme of described first black code of Gray's code channel is set to 4mm, the repetition period L of 6 Gray codes
tfor 128mm.On tape band 200,6 Gray's code channels are provided with owing to working as, and by the repetition period L of 6 Gray codes
tduring for 64mm, can meet user when extracting described tape band 200 by various speed, infrared transceiver device 300 can not be made to miss statistics repetition period L
tthe number of times repeated, therefore by the repetition period L of 6 Gray codes during concrete enforcement
tbe set to 64mm.
In order to the set-up mode of 6 Gray codes on tape band 200 in clearer explanation the utility model, below by such as 6 Gray's code tables shown in table 1-table 4 and Fig. 3 and Fig. 4 further illustrate.
| Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers | Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers |
| 1 | 000000 | 0 | 0 | 9 | 001100 | 1 | 7 |
| 2 | 000001 | 0 | 1 | 10 | 001101 | 1 | 6 |
| 3 | 000011 | 0 | 2 | 11 | 001111 | 1 | 5 |
| 4 | 000010 | 0 | 3 | 12 | 001110 | 1 | 4 |
| 5 | 000110 | 0 | 4 | 13 | 001010 | 1 | 3 |
| 6 | 000111 | 0 | 5 | 14 | 001011 | 1 | 2 |
| 7 | 000101 | 0 | 6 | 15 | 001001 | 1 | 1 |
| 8 | 000100 | 0 | 7 | 16 | 001000 | 1 | 0 |
Table 1
| Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers | Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers |
| 17 | 011000 | 2 | 0 | 25 | 010100 | 3 | 7 |
| 18 | 011001 | 2 | 1 | 26 | 010101 | 3 | 6 |
| 19 | 011011 | 2 | 2 | 27 | 010111 | 3 | 5 |
| 20 | 011010 | 2 | 3 | 28 | 010110 | 3 | 4 |
| 21 | 011110 | 2 | 4 | 29 | 010010 | 3 | 3 |
| 22 | 011111 | 2 | 5 | 30 | 010011 | 3 | 2 |
| 23 | 011101 | 2 | 6 | 31 | 010001 | 3 | 1 |
| 24 | 011100 | 2 | 7 | 32 | 010000 | 3 | 0 |
Table 2
| Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers | Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers |
| 33 | 110000 | 4 | 0 | 41 | 111100 | 5 | 7 |
| 34 | 110001 | 4 | 1 | 42 | 111101 | 5 | 6 |
| 35 | 110011 | 4 | 2 | 43 | 111111 | 5 | 5 |
| 36 | 110010 | 4 | 3 | 44 | 111110 | 5 | 4 |
| 37 | 110110 | 4 | 4 | 45 | 111010 | 5 | 3 |
| 38 | 110111 | 4 | 5 | 46 | 111011 | 5 | 2 |
| 39 | 110101 | 4 | 6 | 47 | 111001 | 5 | 1 |
| 40 | 110100 | 4 | 7 | 48 | 111000 | 5 | 0 |
Table 3
| Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers | Sequence number | 6 Gray codes | High 3 corresponding decimal numbers | Low 3 corresponding decimal numbers |
| 49 | 101000 | 6 | 0 | 57 | 100100 | 7 | 7 |
| 50 | 101001 | 6 | 1 | 58 | 100101 | 7 | 6 |
| 51 | 101011 | 6 | 2 | 59 | 100111 | 7 | 5 |
| 52 | 101010 | 6 | 3 | 60 | 100110 | 7 | 4 |
| 53 | 101110 | 6 | 4 | 61 | 100010 | 7 | 3 |
| 54 | 101111 | 6 | 5 | 62 | 100011 | 7 | 2 |
| 55 | 101101 | 6 | 6 | 63 | 100001 | 7 | 1 |
| 56 | 101100 | 6 | 7 | 64 | 100000 | 7 | 0 |
Table 4
Visible, known from 6 Gray's code tables of table 1-table 4, the repetition period of 6 Gray codes is 64, and Gray code and sequence number that sequence number is (M+1) be M Gray code compared with (wherein 1≤M≤63), have and only have one-bit digital to there occurs change (become 0 by 1, or become 1 from 0).If black code is designated as 0, white code is designated as 1, then by above-mentioned 64 6 Gray codes with one end of tape band 200 for starting point, sequentially print to the other end.By sequence number be such as 1 000000 these 6 Gray codes be arranged on starting point place end, concrete is arranged on the 6th Gray's code channel 216 by most significant digit in 6 Gray codes (namely the 6th) 0, a secondary high position (namely the 5th) 0 is arranged on the 5th Gray's code channel 215, 4th 0 is arranged on the 4th Gray's code channel 214, 3rd 0 is arranged on the 3rd Gray's code channel 213, secondary low level (i.e. second) 0 is arranged on second Gray code channel 212, lowest order (namely first) 0 is arranged on first Gray's code channel, the height of above-mentioned 6 codes is equal with the height of corresponding Gray's code channel, above-mentioned 6 codes are rectangular strip, and the width of rectangular strip is 1mm, on tape band 200, sequentially Gray code is set by the sequence number shown in table 1-table 4 like this, tape band 200 as shown in Figure 3 and Figure 4 can be obtained.Wherein, tape band 200 front as shown in Figure 3 sets gradually first Gray's code channel 211, second Gray code channel 212 and the 3rd Gray's code channel 213 from top to bottom, and tape band 200 back side as shown in Figure 4 sets gradually described 6th Gray's code channel 216, the 5th Gray's code channel 215 and the 4th Gray's code channel 214 from top to bottom.
When the front of the tape band 200 of described Intelligent measuring tape and the back side are provided with 3 Gray's code channels 210 all from bottom to up, also be provided with and described Gray's code channel 210 infrared transceiver device 300 one to one, and the range of exposures of infrared light that each infrared transceiver device sends does not exceed the altitude range of each Gray's code channel 210.Concrete, first infrared transceiver device is just to described first Gray's code channel 211, second infrared transceiver device is just to described second Gray code channel, 3rd infrared transceiver device is just to described 3rd Gray's code channel 213,4th infrared transceiver device is just to described 4th Gray's code channel 214,5th infrared transceiver device just to described 5th Gray's code channel the 215, six infrared transceiver device just to described 6th Gray's code channel 216.Above-mentioned six infrared transceiver devices connect the corresponding I/O mouth in the MCU control chip in Intelligent measuring tape body 100 respectively.
Both sides due to tape band 200 are respectively provided with 3 infrared transceiver devices 300, if the infrared transceiver device of tape band 200 both sides is completely just right, when the infrared transmitting that then infrared transceiver device 300 of tape band 200 side sends crosses described tape band 200, the infrared light reception result of the infrared transceiver device 300 of opposite side can be caused to change, affect measurement result.
In order to ensure the accuracy of measurement result, the starting point of Gray's code channel at the starting point of Gray's code channel in described tape band 200 front and described tape band 200 back side need be shifted to install.Due to when tape band 200 is the state be drawn out the first beginning and end, described first infrared transceiver device is just to the starting point of described first Gray's code channel 211, second infrared transceiver device is just to the starting point of described second Gray code channel 212,3rd infrared transceiver device is just to the starting point of described 3rd Gray's code channel 213,4th infrared transceiver device is just to the starting point of described 4th Gray's code channel 214,5th infrared transceiver device is just to the starting point of described 5th Gray's code channel 215, and the 6th infrared transceiver device is just to the starting point of described 6th Gray's code channel 216.Because the starting point of the two-sided Gray's code channel of tape band 200 exists dislocation, therefore there is the dislocation of certain distance the position just right relative to the 4th infrared transceiver device being distributed in described tape band 200 opposite side, the 5th infrared transceiver device and the 6th infrared transceiver device that be distributed in the just right position of the first infrared transceiver device of described tape band 200 side, the second infrared transceiver device and the 3rd infrared transceiver device.During concrete enforcement, the starting point of the starting point of Gray's code channel in described tape band 200 front and Gray's code channel at described tape band 200 back side distance that misplaces is 3-10mm.Best, the starting point of the starting point of Gray's code channel in described tape band 200 front and Gray's code channel at described tape band 200 back side misplaces apart from being 5.5mm.
Owing to each Gray's code channel 210 being all occur black code and white code with some cycles, and white code and black code alternately occur.Black code and white code are to the absorptivity difference of the infrared light that infrared transceiver device 300 sends simultaneously, specifically the absorptivity of black code to infrared light is high, the absorptivity of white code to infrared light is low and lower than the infrared Absorption rate of black code, be decoded as 0 after the infrared light reflected back through black code is received by infrared transceiver device 300, after the infrared light reflected back through white code is received by infrared transceiver device 300, be decoded as 1.
Therefore when tape band 200 is in the process be pulled, by infrared transceiver device 300 and with to be arranged in Intelligent measuring tape body 100 and the MCU control chip be connected with infrared transceiver device 300 detects tape band 200 frequency n of repetition period length and the offset Δ L in current repetition period length when pulled jointly, then pass through L=n*L
t+ Δ L can calculate actual measurement length L, realizes accurately measuring length like this, reduces measuring error.Specifically because arrange on each Gray's code channel of tape, there is the black code of one fixed width and white code, read the Gray code on tape band by reading device, instead of traditional scale reading manner, enhance the stability of reading.
In sum, the Gray code band Intelligent measuring tape with complete black coating described in the utility model, is provided with one for preventing outside Infrared to be transmitted through in Intelligent measuring tape body and the Infrared preventing infrared transceiver device from launching is transmitted through this external complete black coating of Intelligent measuring tape at Intelligent measuring tape body.Effectively prevent the impact of extraneous Infrared on the infrared transceiver device measurement result of Intelligent measuring tape body interior like this, make the measurement result of Intelligent measuring tape more accurate.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (7)
1. one kind has the Gray code band Intelligent measuring tape of complete black coating, it is characterized in that, comprise Intelligent measuring tape body, and be arranged on the tape band also can extracted out in described Intelligent measuring tape body, the front and back of described tape band all arranges at least one Gray's code channel, and the Gray code in described Gray's code channel repeats to arrange by designated period; Also arrange with Gray's code channel one_to_one corresponding, for reading the infrared transceiver device of Gray code in Gray's code channel in described Intelligent measuring tape body; One is also provided with for preventing outside Infrared to be transmitted through in Intelligent measuring tape body and the Infrared preventing infrared transceiver device from launching is transmitted through this external complete black coating of Intelligent measuring tape in described Intelligent measuring tape body.
2. there is the Gray code band Intelligent measuring tape of complete black coating according to claim 1, it is characterized in that, also be provided with the switchgear opened for controlling described infrared transceiver device or close in described Intelligent measuring tape body, described switchgear is electrically connected with described infrared transceiver device.
3. have the Gray code band Intelligent measuring tape of complete black coating according to claim 2, it is characterized in that, the front and back of described tape band is provided with 3 Gray's code channels all from bottom to up.
4. have the Gray code band Intelligent measuring tape of complete black coating according to claim 3, it is characterized in that, the front of described tape band arranges low three Gray's code channels, is respectively first Gray's code channel, second Gray code channel and the 3rd Gray's code channel.
5. there is the Gray code band Intelligent measuring tape of complete black coating according to claim 4, it is characterized in that, just 3 infrared transceiver devices are provided with to the side in tape band front in described Intelligent measuring tape body, are respectively the first infrared transceiver device, the second infrared transceiver device and the 3rd infrared transceiver device; Wherein, described first infrared transceiver device is just to described first Gray's code channel, and described second infrared transceiver device is just to described second Gray code channel, and described 3rd infrared transceiver device is just to described 3rd Gray's code channel.
6. have the Gray code band Intelligent measuring tape of complete black coating according to claim 4, it is characterized in that, the back side of described tape band arranges high three Gray's code channels, is respectively the 4th Gray's code channel, the 5th Gray's code channel and the 6th Gray's code channel.
7. there is the Gray code band Intelligent measuring tape of complete black coating according to claim 6, it is characterized in that, just 3 infrared transceiver devices are provided with to the side at the tape band back side in described Intelligent measuring tape body, are respectively the 4th infrared transceiver device, the 5th infrared transceiver device and the 6th infrared transceiver device; Wherein, described 4th infrared transceiver device is just to described 4th Gray's code channel, and described 5th infrared transceiver device is just to described 5th Gray's code channel, and described 6th infrared transceiver device is just to described 6th Gray's code channel.
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| CN201520764333.1U CN205027236U (en) | 2015-09-30 | 2015-09-30 | Gray code area intelligence tape measure with deceive coating entirely |
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| CN201520764333.1U CN205027236U (en) | 2015-09-30 | 2015-09-30 | Gray code area intelligence tape measure with deceive coating entirely |
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| CN205027236U true CN205027236U (en) | 2016-02-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054717A1 (en) * | 2015-09-30 | 2017-04-06 | 东莞捷荣技术股份有限公司 | Gray code tape, intelligent tape measure having gray code tape and data reading method |
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2015
- 2015-09-30 CN CN201520764333.1U patent/CN205027236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054717A1 (en) * | 2015-09-30 | 2017-04-06 | 东莞捷荣技术股份有限公司 | Gray code tape, intelligent tape measure having gray code tape and data reading method |
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Granted publication date: 20160210 |