CN106904007B - Sensing device and label printer - Google Patents
Sensing device and label printer Download PDFInfo
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- CN106904007B CN106904007B CN201710204864.9A CN201710204864A CN106904007B CN 106904007 B CN106904007 B CN 106904007B CN 201710204864 A CN201710204864 A CN 201710204864A CN 106904007 B CN106904007 B CN 106904007B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
Abstract
The invention provides a sensing device and a label printer, which relate to the technical field of printers and comprise a sensing device, a circuit board and a processor, wherein the sensing device comprises a transmission structure and a reflection structure; the sensing device is used for acquiring an operation instruction, selecting a corresponding transmission structure or reflection structure according to the operation instruction, and obtaining a corresponding pin voltage value according to the optical power emitted by the transmission structure or reflection structure under the condition that the label passes through the transmission structure or reflection structure; the circuit board is used for supplying power to the induction device and sending the pin voltage value to the processor; the processor is used for obtaining label position information through the pin voltage value and determining label shape information through the label position information. The application is more accurate in identification of the special-shaped label and the color label.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a sensing device and a label printer.
Background
The sensing part in the sensing device of the existing portable Bluetooth label printer senses that the label position is inaccurate, a single reflection type sensor is generally adopted, and due to the fact that the shape of the label is irregular, the reflection of a color label and the reflection difference of base paper are small, when the special-shaped label and the color label are met, the specific position of the label cannot be identified and the condition that the label cannot be identified accurately can occur frequently.
Disclosure of Invention
In view of the above, the present invention provides a sensing device and a label printer, which can identify the special-shaped label and the color label more accurately.
In a first aspect, an embodiment of the present invention provides a sensing device, including a sensing device, a circuit board, and a processor, where the sensing device includes a transmissive structure and a reflective structure;
the sensing device is used for acquiring an operation instruction, selecting the corresponding transmission structure or the reflection structure according to the operation instruction, and obtaining a corresponding pin voltage value according to the optical power emitted by the transmission structure or the reflection structure under the condition that a label passes through the transmission structure or the reflection structure;
the circuit board is used for supplying power to the induction device and sending the pin voltage value to the processor;
and the processor is used for obtaining label position information through the pin voltage value and determining label shape information through the label position information.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the operation instruction includes a first operation instruction, a second operation instruction, a third operation instruction, and a fourth operation instruction, the transmissive structure includes a first transmissive structure and a second transmissive structure, and the reflective structure includes a first reflective structure and a second reflective structure;
The sensing device is further configured to obtain the first operation instruction, select the first transmission structure according to the first operation instruction, receive the optical power and obtain a first pin voltage value according to the optical power when the tag passes through the first transmission structure;
alternatively, the first and second electrodes may be,
the sensing device is further configured to obtain the second operation instruction, select the second transmission structure according to the second operation instruction, receive the optical power and obtain a second pin voltage value according to the optical power when the tag passes through the second transmission structure;
alternatively, the first and second electrodes may be,
the sensing device is further configured to obtain the third operation instruction, select the first reflection structure according to the third operation instruction, receive the optical power and obtain a third pin voltage value according to the optical power when the tag passes through the first reflection structure;
alternatively, the first and second electrodes may be,
the sensing device is further configured to obtain the fourth operation instruction, select the second reflection structure according to the fourth operation instruction, receive the optical power and obtain a fourth pin voltage value according to the optical power when the tag passes through the second reflection structure.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the circuit board is further configured to send the first pin voltage value to the processor;
alternatively, the first and second electrodes may be,
the circuit board is further used for sending the voltage value of the second pin to the processor;
alternatively, the first and second electrodes may be,
the circuit board is further used for sending the voltage value of the third pin to the processor;
alternatively, the first and second liquid crystal display panels may be,
the circuit board is further configured to send the voltage value of the fourth pin to the processor.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the processor is further configured to obtain first tag position information through the first pin voltage value, and determine first tag shape information through the first tag position information;
alternatively, the first and second electrodes may be,
the processor is further configured to obtain second tag position information through the second pin voltage value, and determine second tag shape information through the second tag position information;
alternatively, the first and second electrodes may be,
the processor is further configured to obtain third tag position information through the third pin voltage value, and determine third tag shape information through the third tag position information;
Alternatively, the first and second electrodes may be,
the processor is further configured to obtain fourth tag position information through the fourth pin voltage value, and determine fourth tag shape information through the fourth tag position information.
With reference to the first possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the first transmissive structure includes a first infrared emitter and a first infrared receiver;
the first infrared receiver is used for receiving infrared light power which is emitted by the first infrared emitter and penetrates through the label in real time, and obtaining a corresponding first pin voltage value according to the infrared light power, wherein the first infrared emitter and the first infrared receiver are arranged on different sides of the label.
With reference to the first possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the second transmissive structure includes a second infrared emitter and a second infrared receiver;
the second infrared receiver is used for receiving the infrared light power which is emitted by the second infrared emitter and penetrates through the label in real time, and obtaining a corresponding second pin voltage value according to the infrared light power, wherein the second infrared emitter and the second infrared receiver are arranged on different sides of the label.
With reference to the first possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the first reflecting structure includes a third infrared emitter and a third infrared receiver;
the third infrared receiver is used for receiving infrared light power which is emitted by the third infrared emitter and reflected by the label in real time, and obtaining a corresponding third pin voltage value according to the infrared light power, wherein the third infrared emitter and the third infrared receiver are arranged on the same side of the label.
With reference to the fifth possible implementation manner of the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the second reflecting structure includes a fourth infrared emitter and a fourth infrared receiver;
the fourth infrared receiver is used for receiving infrared light power which is emitted by the four infrared emitters and reflected by the label in real time, and obtaining a corresponding fourth pin voltage value according to the infrared light power, wherein the fourth infrared emitters and the fourth infrared receiver are arranged on the same side of the label.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, where the first transmissive structure and the second transmissive structure are arranged in an upper and lower double row, and the first reflective structure and the second reflective structure are arranged in an upper and lower double row.
In a second aspect, an embodiment of the present invention further provides a label printer, which includes the sensing device as described above, and further includes a printer main body.
The embodiment of the invention brings the following beneficial effects:
the embodiment of the invention provides a sensing device and a label printer, which comprise a sensing device, a circuit board and a processor, wherein the sensing device comprises a transmission structure and a reflection structure; the sensing device is used for acquiring an operation instruction, selecting a corresponding transmission structure or reflection structure according to the operation instruction, and obtaining a corresponding pin voltage value according to the optical power emitted by the transmission structure or reflection structure under the condition that the label passes through the transmission structure or reflection structure; the circuit board is used for supplying power to the induction device and sending the voltage value of the pin to the processor; the processor is used for obtaining label position information through the pin voltage value and determining label shape information through the label position information. The application is more accurate in identification of the special-shaped label and the color label.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a sensing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sensing device in a sensing device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a sensing device according to a second embodiment of the present invention;
Fig. 4 is a top view of a sensing device according to a second embodiment of the present invention.
Icon: 10-an induction device; 11-a first transmissive structure; 111-a first infrared emitter; 112-a first infrared receiver; 12-a second transmissive structure; 121-a second infrared emitter; 122-a second infrared receiver; 13-a first reflective structure; 131-a third infrared emitter; 132-a third infrared receiver; 14-a second reflective structure; 141-a fourth infrared transmitter; 142-a fourth infrared receiver; 20-a circuit board; 30-a processor.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The sensing part in the sensing device of the existing portable Bluetooth label printer senses that the label position is inaccurate, a single reflection type sensor is generally adopted, and due to the fact that the shape of the label is irregular, the reflection of a color label and the reflection difference of base paper are small, when the special-shaped label and the color label are met, the specific position of the label cannot be identified and the condition that the label cannot be identified accurately can occur frequently.
Based on this, the embodiment of the invention provides the sensing device and the label printer, which can identify the special-shaped label and the color label more accurately.
For the understanding of the present embodiment, the sensing device disclosed in the embodiment of the present invention will be described in detail first,
the first embodiment is as follows:
fig. 1 is a schematic structural diagram of a sensing device according to an embodiment of the present invention.
Referring to fig. 1, a sensing device according to an embodiment of the present invention includes a sensing device 10, a circuit board 20, and a processor 30, where the sensing device 10 includes a transmissive structure and a reflective structure;
the sensing device 10 is used for acquiring an operation instruction, selecting a corresponding transmission structure or reflection structure according to the operation instruction, and obtaining a corresponding pin voltage value according to the optical power emitted by the transmission structure or reflection structure under the condition that the label passes through the transmission structure or reflection structure;
the circuit board 20 is used for supplying power to the sensing device 10 and sending the pin voltage value to the processor 30;
and the processor 30 is used for obtaining the label position information through the pin voltage value and determining the label shape information through the label position information.
Specifically, the sensing device of the existing label printer mainly adopts a single reflective sensor, so that the position of the special-shaped label cannot be identified, and meanwhile, the color label is difficult to identify due to the small difference between the color label reflection and the backing paper reflection. The sensing device 10 provided by the embodiment of the invention combines the transmission structure and the reflection structure, and selects the specific working part of the transmission structure or the reflection structure according to the operation instruction, thereby realizing the purpose of more accurately identifying the special-shaped label and the color label.
The second embodiment:
the sensing device provided by the embodiment of the invention comprises a sensing device 10, a circuit board 20 and a processor 30, wherein the sensing device 10 comprises a transmission structure and a reflection structure;
the sensing device 10 is used for acquiring an operation instruction, selecting a corresponding transmission structure or reflection structure according to the operation instruction, and obtaining a corresponding pin voltage value according to the optical power emitted by the transmission structure or reflection structure under the condition that the label passes through the transmission structure or reflection structure;
the circuit board 20 is used for supplying power to the sensing device 10 and sending the pin voltage value to the processor 30;
and the processor 30 is used for obtaining the label position information through the pin voltage value and determining the label shape information through the label position information.
Further, the operation instructions include a first operation instruction, a second operation instruction, a third operation instruction and a fourth operation instruction, the transmissive structure includes a first transmissive structure 11 and a second transmissive structure 12, and the reflective structure includes a first reflective structure 13 and a second reflective structure 14, as shown in fig. 2;
wherein, the user selects the working part by manually switching one or more of the special-shaped, normal and colored operation panels of the label printer according to the type of the label to issue an operation instruction;
The embodiment of the invention combines a double-row transmission structure and a double-row reflection structure, a user can switch and select a working structure according to the condition of the label, and the aim of more accurately identifying the special-shaped label and the colored label is fulfilled;
wherein, the user can choose the working structure with the best recognition effect according to the experience of the user or a plurality of attempts;
the sensing device 10 is further configured to obtain a first operation instruction, select the first transmission structure 11 according to the first operation instruction, receive optical power when the tag passes through the first transmission structure 11, and obtain a first pin voltage value according to the optical power;
alternatively, the first and second liquid crystal display panels may be,
the sensing device 10 is further configured to obtain a second operation instruction, select the second transmission structure 12 according to the second operation instruction, receive the optical power when the tag passes through the second transmission structure 12, and obtain a second pin voltage value according to the optical power;
alternatively, the first and second electrodes may be,
the sensing device 10 is further configured to obtain a third operation instruction, select the first reflection structure 13 according to the third operation instruction, receive optical power when the tag passes through the first reflection structure 13, and obtain a third pin voltage value according to the optical power;
Alternatively, the first and second electrodes may be,
the sensing device 10 is further configured to obtain a fourth operation instruction, select the second reflection structure 14 according to the fourth operation instruction, and receive the optical power and obtain a fourth pin voltage value according to the optical power when the tag passes through the second reflection structure 14.
Further, the circuit board 20 is further configured to send the first pin voltage value to the processor 30;
alternatively, the first and second electrodes may be,
the circuit board 20 is further configured to send the second pin voltage value to the processor 30;
alternatively, the first and second electrodes may be,
the circuit board 20 is further configured to send the third pin voltage value to the processor 30;
alternatively, the first and second electrodes may be,
the wiring board 20 is also configured to send the fourth pin voltage value to the processor 30.
Further, the processor 30 is further configured to obtain first tag position information through the first pin voltage value, and determine first tag shape information through the first tag position information;
alternatively, the first and second electrodes may be,
the processor 30 is further configured to obtain second tag position information through the second pin voltage value, and determine second tag shape information through the second tag position information;
alternatively, the first and second electrodes may be,
the processor 30 is further configured to obtain third tag position information through the third pin voltage value, and determine third tag shape information through the third tag position information;
alternatively, the first and second electrodes may be,
The processor 30 is further configured to obtain fourth tag position information through the fourth pin voltage value, and determine fourth tag shape information through the fourth tag position information.
Specifically, with the design of the dual row transmission structure, even if the edge of the label paper is misaligned or inclined, switching to another sensor in the dual row can be selected. For the colored label, because the reflection difference of the colored label and the reflection difference of the base paper are small, the colored label is not easy to identify, a transmission structure can be selected, and the colored label is easy to identify by utilizing the characteristics that the transmission effect of the colored label is different from that of the base paper, and the power difference of the transmission light is obvious.
In particular, a mode of combined sensing of a double-row transmission structure and a double-row reflection structure is adopted to realize the purpose of more accurate identification of the special-shaped label and the color label,
further, the first transmissive structure 11 includes a first infrared emitter 111 and a first infrared receiver 112;
the first ir receiver 112 is configured to receive, in real time, ir light power emitted by the first ir emitter 111 and passing through the tag, and obtain a corresponding first pin voltage value according to the ir light power, and further, the second transmission structure 12 includes a second ir emitter 121 and a second ir receiver 122;
The second ir receiver 122 is configured to receive the ir light power emitted from the second ir emitter 121 and passing through the tag in real time, obtain a corresponding second pin voltage value according to the ir light power,
further, the first reflecting structure 13 includes a third infrared emitter 131 and a third infrared receiver 132;
the third ir receiver 132 is configured to receive the infrared light power emitted from the third ir emitter 131 and reflected by the tag in real time, obtain a corresponding third pin voltage value according to the infrared light power,
further, the second reflecting structure 14 includes a fourth infrared emitter 141 and a fourth infrared receiver 142;
the fourth infrared receiver 142 is configured to receive, in real time, the infrared light power emitted by the fourth infrared emitter 141 and reflected by the tag, and obtain a corresponding fourth pin voltage value according to the infrared light power;
here, the double-row design of the first reflecting structure 13 and the second reflecting structure 14 can also avoid inaccurate label identification.
Fig. 3 is a schematic structural diagram of a sensing device according to a second embodiment of the present invention.
As shown in fig. 3, the arrow position in fig. 3 is a schematic diagram of the advancing direction of the label paper, in which a first infrared transmitter 111 and a first infrared receiver 112 are disposed on opposite sides of the label, a second infrared transmitter 121 and a second infrared receiver 122 are disposed on opposite sides of the label, a third infrared transmitter (not shown in fig. 3) and a third infrared receiver (not shown in fig. 3) are disposed on the same side of the label, and a fourth infrared transmitter (not shown in fig. 3) and a fourth infrared receiver (not shown in fig. 3) are disposed on the same side of the label;
Specifically, a third infrared emitter and a third infrared receiver are arranged on the first reflecting structure 13 on the upper row; a fourth infrared emitter and a fourth infrared receiver are disposed on the lower row of second reflective structures 14.
Further, the first transmissive structure (not shown in fig. 3) and the second transmissive structure (not shown in fig. 3) are disposed in two rows, and the first reflective structure 13 and the second reflective structure 14 are disposed in two rows.
Fig. 4 is a top view of a sensing device according to a second embodiment of the present invention.
Referring to fig. 4, the direction of the arrow is the direction of label paper advance, and as the label paper passes through its selected operative configuration, the corresponding configuration performs a reflective or transmissive operation.
The invention provides a sensing device and a label printer, comprising a sensing device, a circuit board and a processor, wherein the sensing device comprises a transmission structure and a reflection structure; the sensing device is used for acquiring an operation instruction, selecting a corresponding transmission structure or reflection structure according to the operation instruction, and obtaining a corresponding pin voltage value according to the optical power emitted by the transmission structure or reflection structure under the condition that the label passes through the transmission structure or reflection structure; the circuit board is used for supplying power to the induction device and sending the pin voltage value to the processor; the processor is used for obtaining label position information through the pin voltage value and determining label shape information through the label position information. The application is more accurate in identification of the special-shaped label and the color label.
Example three:
the embodiment of the invention also provides a label printer which comprises the sensing device and a printer main body.
The label printer provided by the embodiment of the invention has the same technical characteristics as the sensing device provided by the embodiment of the invention, so that the same technical problems can be solved, and the same technical effects can be achieved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A sensing device is characterized by comprising a sensing device, a circuit board and a processor, wherein the sensing device comprises a transmission structure and a reflection structure;
the sensing device is used for acquiring an operation instruction, selecting the corresponding transmission structure or the reflection structure according to the operation instruction, and obtaining a corresponding pin voltage value according to the optical power emitted by the transmission structure or the reflection structure under the condition that a label passes through the transmission structure or the reflection structure;
The circuit board is used for supplying power to the induction device and sending the pin voltage value to the processor;
the processor is used for obtaining label position information through the pin voltage value and determining label shape information through the label position information;
the operation instructions comprise a first operation instruction, a second operation instruction, a third operation instruction and a fourth operation instruction, the transmission structure comprises a first transmission structure and a second transmission structure, and the reflection structure comprises a first reflection structure and a second reflection structure;
the sensing device is further configured to obtain the first operation instruction, select the first transmission structure according to the first operation instruction, receive the optical power and obtain a first pin voltage value according to the optical power when the tag passes through the first transmission structure;
alternatively, the first and second liquid crystal display panels may be,
the sensing device is further configured to obtain the second operation instruction, select the second transmission structure according to the second operation instruction, receive the optical power and obtain a second pin voltage value according to the optical power when the tag passes through the second transmission structure;
alternatively, the first and second liquid crystal display panels may be,
The sensing device is further configured to obtain the third operation instruction, select the first reflection structure according to the third operation instruction, receive the optical power and obtain a third pin voltage value according to the optical power when the tag passes through the first reflection structure;
alternatively, the first and second liquid crystal display panels may be,
the sensing device is further configured to obtain the fourth operation instruction, select the second reflection structure according to the fourth operation instruction, receive the optical power and obtain a fourth pin voltage value according to the optical power when the tag passes through the second reflection structure.
2. The sensing device of claim 1, wherein the circuit board is further configured to send the first pin voltage value to the processor;
alternatively, the first and second electrodes may be,
the circuit board is further used for sending the voltage value of the second pin to the processor;
alternatively, the first and second electrodes may be,
the circuit board is further used for sending the voltage value of the third pin to the processor;
alternatively, the first and second electrodes may be,
the circuit board is further used for sending the voltage value of the fourth pin to the processor.
3. The sensing device of claim 2, wherein the processor is further configured to derive first tag position information from the first pin voltage value and determine first tag shape information from the first tag position information;
Alternatively, the first and second electrodes may be,
the processor is further configured to obtain second tag position information through the second pin voltage value, and determine second tag shape information through the second tag position information;
alternatively, the first and second liquid crystal display panels may be,
the processor is further configured to obtain third tag position information according to the third pin voltage value, and determine third tag shape information according to the third tag position information;
alternatively, the first and second electrodes may be,
the processor is further configured to obtain fourth tag position information through the fourth pin voltage value, and determine fourth tag shape information through the fourth tag position information.
4. The sensing device of claim 1, wherein the first transmissive structure comprises a first infrared emitter and a first infrared receiver;
the first infrared receiver is used for receiving infrared light power which is emitted by the first infrared emitter and penetrates through the label in real time, and obtaining a corresponding first pin voltage value according to the infrared light power, wherein the first infrared emitter and the first infrared receiver are arranged on different sides of the label.
5. The sensing device of claim 1, wherein the second transmissive structure comprises a second infrared emitter and a second infrared receiver;
The second infrared receiver is used for receiving the infrared light power which is emitted by the second infrared emitter and penetrates through the label in real time, and obtaining a corresponding second pin voltage value according to the infrared light power, wherein the second infrared emitter and the second infrared receiver are arranged on different sides of the label.
6. The sensing device of claim 1, wherein the first reflective structure comprises a third infrared emitter and a third infrared receiver;
the third infrared receiver is used for receiving infrared light power which is emitted by the third infrared emitter and reflected by the label in real time, and obtaining a corresponding third pin voltage value according to the infrared light power, wherein the third infrared emitter and the third infrared receiver are arranged on the same side of the label.
7. The sensing device of claim 5, wherein the second reflecting structure comprises a fourth infrared emitter and a fourth infrared receiver;
the fourth infrared receiver is used for receiving infrared light power which is emitted by the four infrared emitters and reflected by the label in real time, and obtaining a corresponding fourth pin voltage value according to the infrared light power, wherein the fourth infrared emitters and the fourth infrared receiver are arranged on the same side of the label.
8. The sensing device of claim 1, wherein the first transmissive structure and the second transmissive structure are arranged in two rows, and the first reflective structure and the second reflective structure are arranged in two rows.
9. A label printer comprising the sensing device of any one of claims 1-8 and further comprising a printer body.
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| CN112373200A (en) * | 2020-10-28 | 2021-02-19 | 珠海泽冠科技有限公司 | Paper positioning and driving device of label printer and application method thereof |
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| JP4965619B2 (en) * | 2009-09-16 | 2012-07-04 | 東芝テック株式会社 | Printer, program, and printing start position determination method |
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