TWM255153U - Apparatus for inspecting width of paper - Google Patents

Description

M255153 Creation Instructions (1) [Technical Field to which the New Type belongs] This creation relates to a paper width detection setting on a document feeder, and in particular to a paper having a function of detecting the width of a non-standard paper Width detection device. [Prior art] Please refer to FIG. 1, which shows a partial top view of a conventional automatic document feeder (ADF). In FIG. 1, the automatic paper feeder 10 includes a paper tray 12, a guide 13, and sensing elements 14 a, 14 b, and 14 c. The paper guide 13 is fixed on the paper tray 12 to allow one end of the paper Hold tightly, here papers lja, 15b and 15c are used for illustration. The sensing elements 14a to Ub are disposed on the paper tray 12 separately from each other, and are used to correspondingly sense the width of the paper 15a to 15c. When the paper 15a covers the sensing element 4a, the sensing element 4a will detect = 15a ', the automatic feeder 10, and the width of the paper 15a is preset to, for example, the width of A5. In addition, when the paper 5b covers the sensing element 4a and 4b, but does not cover the sensing element 1 4c, the automatic feeder 丨 〇 will be based on the sensing element 14b furthest from the paper guide 丨 3 , The automatic feeder 10 presets the width of the paper 15b to be, for example, the width of A4. When the paper 15c covers the sensing elements 14a to 14c, the automatic paper feeder 10 will mainly be the sensing element furthest from the paper guide 3, 4c, and then the automatic paper feeder 10 will preset the width of the paper 5c, such as It is the width of B4. ^ It should be noted that the traditional design of detecting the width of paper with multiple sensing elements can only be limited to a few standard papers such as A5, A4, and B4. 'The width of non-standard paper cannot be detected. And, to detect more

M255153 IV. Creation instructions (2) = Degrees = More automatic sensing must be set on the automatic paper feeder. The paper width judgment mechanism inside the "Miscellaneous Scholar" will be more complicated. As a result, it will increase. Many costs. [New content] In view of this, the purpose of this creation is to configure Zhang Yi: a measuring device, which is installed on the paper feed E: road processing unit 'paper guide system moves synchronously with the paper guide, conductive II , A piece of paper. The conductive element system board: there are several parallel lines of wires, ==. The moving direction of the circuit element is parallel to, and, the extending direction is with the conductive = conductor. Any adjacent surface of each wire is formed Separate several first sections, each first conductor section > A-between the conductor sections is an insulation section opposite to the insulation section of each wire. The second conductor section contacting each wire or between these wires and conductive elements f. The control processing unit is provided with a piezoelectric unit and a second lead of each lead. When the paper is clamped, each first lead interval corresponds to the control processing unit. ^ * Electrical contact or contact with each lead Insulation, each wire Whether a path is formed between the two first conductors and a corresponding paper width value. A digital signal is generated and a paper width detection device W1329.BF is proposed based on this creation. (Hongguang) .ptd M255153 Fourth, the creation instructions (3) are placed on a paper guide, a conductive element sheet, a moving part system, and a moving direction pressing on the electric and resistance unit, as follows: In the box, an electric paper box moves up and blocks the connection between the wires. The embodiment according to the purpose of the current is dynamically set on the paper guide to synchronously move the resistance wire, which is electrically parallel to the resistance wire and the conductor. The electrical contact of the wires was measured in different sizes, so that the above-mentioned creation has a better paper width detection circuit board and a control place 'to hold a conductor with a conductor. The extension direction is touched. Control Processing sheet 'When the paper is clamped by the width of the paper, it produces one, feature, and advantage based on the figure, and includes at least a processing unit. Paper guide paper. The surface of the conductive element circuit board is conductive When the moving element of a piece is supplied with electricity, the conductor part is the same and controls the value of the paper width. It can be more obvious and easy to explain. [Embodiment] The following examples are shown in accordance with the partial top view of this creation. And part of the side detection device of the paper feed E, the circuit device 30 is set on a family (such as automatic paper feeding). Tray 2 2 width detection device 30 package processing unit 36 and at least please refer to at the same time Figures 2A to 2C, Figure 2A shows the paper width detection device and tray 2 of the first embodiment. Figure 2B is a view of the paper width measurement device of Figure 2A, and Figure 2C is The paper width block diagram in Figure 2A. In Figures 2A to 2C, the paper width detection tray 22 is set on an automatic document feeder (ADF has at least one chute, such as The chute 24a ~ 24d. Paper Contains a conductive element 32, a circuit board 34, and a control TW1329-BF (Aurora) .ptd Page 7 M255153

A paper guide, such as paper guides 23aA23b. The paper guides 23a and 2 flaps can be grooves 24a and 24b and slide grooves 24c and 24dJl, respectively. Paper guides 23a and 23b: The X-axis direction of the mouthpiece can move synchronously toward and close to each other, or move away from 2 ′ and t away from each other to hold the paper 25. * The embodiment is based on double guides,., And slabs as an example, and the paper is centered and aligned; in fact, it may include a feeder with a single paper guide, and the paper is aligned by the side of the paper cassette. As shown in FIG. 2B, the conductive element 32 is disposed below any of the paper guides 23a and 23b. If it is located below the paper guide 23a, the conductive element 32 is synchronized with the paper guide 23a in the X-axis direction Move on the circuit board 34. As shown in FIG. 2D, the $ electric component 32 has a plurality of first conductor portions spaced apart at an equal distance, such as eight first conductor portions 32a to 32h, and the arrangement direction of the first conductor portions 32a to 32h is the y-axis direction. The direction is exactly perpendicular to the moving direction of the conductive element 32. As shown in FIG. 2C, the control processing unit 36 is electrically connected to the conductive element 32 and the circuit board 34, and the control processing unit 36 is provided between the circuit board 34 and the conductive element 32. As shown in FIG. 2E, the circuit board 34 has several parallel lines of conductors, such as the conductors 34a to 34h, and the extension directions of the conductors of the conductors 34a to 34h are in the direction of the χ axis, which is just the direction of movement of the conductive element 32. parallel. Each of the wires 34 a 3 4 b forms a plurality of spaced apart second body portions ′ on the surface of the circuit board 34, and an insulation region is formed between any two adjacent second conductor portions of each wire. For example, the conductive wires 34a to 34c each form a second conductor portion 37a to 37c on the surface of the circuit board 34, and the conductive wires 34d to 34h each form a plurality of second conductor portions 37d to 37h on the surface of the circuit board 34. Among them, the length of the second conductor portion 37a is the largest, and the length of the second conductor portion 37b to 37c is

W1329-BF (虹光) .ptd Page 8 M255153 Fourth, the creation instructions (5) " " " " and the length of the first conductor portion 37d ~ 37h becomes smaller sequentially. An insulation section 38b is formed at the left end of the conductor part 37b, and an insulation section 38b is formed at each of the two ends of the conductor part 37c. Between any two adjacent second conductor portions 37d is an insulating interval 38d, and between any two adjacent second conductor portions 37e is an insulating interval 38e. Between any two adjacent second conductor portions 37f is an insulating interval 38f, and between any two adjacent second conductor portions 37g is an insulating interval 38g, and between any two adjacent second conductor portions 37h is an insulating The interval is 38h. It should be noted that the first conductor portion 37a is in contact with the second conductor portion 37a, and the first conductor portion 37b ~ 37h is correspondingly in contact with the second conductor portion 37b ~ 37h or corresponds to the insulation section 38b ~ 38h. The control processing unit 36 provides a pressing force between the wires 34a to 34h and the conductive element 32. When the paper 25 of FIG. 2A is sandwiched, the first conductive portion 32a and the second conductive portion 37 & For sexual contact, each of the first conductive portions of the first conductive portion 32b to 32h is in electrical contact with each of the second conductive portions of the second conductor portion 37b to 37h, or corresponds to each of the insulation intervals in the insulation intervals 38b to 38h. The control processing unit 36 obtains a digital signal based on whether a path is formed between each of the first conductive parts 32a to 32h and the corresponding wires 34a to 34h, and generates a paper width accordingly. value. For example, the control processing unit 36 measures whether each of the first conductors 3 2 a to 3 2 h passes a current, and determines the first conductors 32 a to 3 and the corresponding wires 34 a to 34 h. Whether a path is formed between the wires. As shown in FIG. 2F, the first conductor portion 32 & ~ 32 €: is in electrical contact with the second conductor Qiu 37a ~ 37c correspondingly. Corresponding. At this time, the first conductors 32a to 32c will be charged.

M255153 ------ Creative Instructions (6) ΐίυ! No current flows through a conductor 32d ~ 32h. Control the processing flow through each of the conductor parts 32a to 32h. The __ digit of the conductor part has electricity for 32h. The bluff value is " Γ, and the first conductor part 32a ~ is defined as the digits when the second f lead part f has no current passing through. The signal value is " 0 ". In the example shown in the figure, the digital signals obtained by the control processing unit 36 are listed in Table 2 because the first conductors 32a ~ 3 are powered. The pass is “丨 1 1 1 00000”. The meaning Γ is that each digital signal is A set of binary codes, and the number of bits = k is equal to or less than the first conductor of the conductive element 32. In addition, these wires 34a to 34h are formed on the circuit board 34 by a gray code (gray rule). Two conductors only change one bit between 37h and Lou =. Therefore, the conductive element == = each digital signal corresponds to-paper width and paper width values can form a data table. 纟 中 Ϊΐ: 3 series can Save this data sheet in advance, as long as you control the processing unit% get: After the paper is lost, you can compare the digital signal through this table and use it to make a loud sound ^ This way, 'this creation can detect non-standard paper = two: limited to A4 Papers such as Α5 and other standard papers, get rid of the traditional design of paper based on sensory element detection. „This artist can also understand the creation of this creation: genus = !: conductors 32a ~ 32b and the second conductor coffee ί _ _. Among them, the circuit board 34 is a printed circuit board. Light) .ptd M255153

(printed circuit board, PCB), and the control processing unit 3β is a microprocessor or an application specific integrated circuit (ASIC). In addition, the control processing unit 36 is provided on the circuit board 34. The paper width detection device 30 of this creation can be set on a scanner, printer, photocopier, facsimile machine or multifunction printer. The paper width value generated by the control processing unit 36 can be used as the above machine. Reference information when paper size is selected. The second embodiment refers to Figures 3A to 3C. Figure 3A shows the top view of the paper width detection device and the paper tray according to the second embodiment of the present invention. Figure 3A shows the figure 3A. Partial side view of the paper width detection device and the paper tray. FIG. 3C shows a circuit block diagram of the paper width detection device of FIG. 3A. The difference between this embodiment and the first embodiment lies in the paper width detecting device 50. As for other components, the same reference numerals will be used and will not be described again. The paper width detecting device 50 includes a conductive element 52, a circuit board 54, a control processing unit 56, and at least one paper guide sheet, such as the paper guide sheets 23a and 23]. The paper guide sheets 23a and 23b are disposed in a relative movement manner. On the paper tray 22. As shown in FIG. 3B, the conductive element 52 is disposed below any one of the two paper guide sheets 23a and 23b. If it is located below the paper guide sheet 2 3a, the conductive element 52 and the paper guide sheet 23a are along the X axis. Synchronous movement on the circuit board 54 in the back and forth direction. The conductive element 52 has a conductive portion 52a. As shown in Figure 3C

M255153

As shown, the control processing unit 56 is electrically connected to the conductive element 52 and the circuit board 54, and provides a voltage between the circuit board 54 and the conductive element 52. As shown in FIG. 3D, the surface of the circuit board 54 has a resistance wire 54 =, the extending direction of the resistance wire 54a is parallel to the moving direction of the conductive element 52, and the resistance wire 5 4a is electrically conductive with the conductive portion 5 2a. contact. The resistance wire 54a has a power receiving terminal 54b for coupling with the control processing unit 56. When the control processing unit 56 provides a voltage between the resistance wire 54a and the conductive portion 52a, and any contact point of the resistance wire 54a is in electrical contact with the conductive portion 52 & For a portion of the resistance value of the resistance wire 54a, a corresponding current will flow through the conductive portion 52a. When the contact point is farther away from the power receiving end 54b, the greater the resistance value of the resistance wire 54a between the power receiving end 54b and the contact point, the smaller the current through the conductive element 52 will be. Therefore, the current passing through the conductive element ^ has an inverse relationship with the distance between the contact point and the power contact 54b. ▲ 苐 3 A paper 2 5 is clamped by the paper guides 2 3 a and 2 3 b, the 'conductive part 5 2a is in electrical contact with a contact point of the resistance wire 54a, and this contact point and the power receiving end 54b The length of the resistance wire 54a in the interval is [, as shown in FIG. 3E. When the width of the paper 25 is larger, the value of L is larger, indicating that the resistance value of the resistance wire 54a is larger, and the current received by the control processing unit 56 through the conductive element 52 will be smaller. Depending on the distance between the contact point of the conductive element 52 and the resistance wire 54a from the power receiving end 54b, the magnitude of the current passing through the conductive element 52 is different. These different currents correspond to different paper width values to form a data table. The control processing unit 5 and 6 can store this data sheet in advance, and control according to the width of different papers placed.

M255153 IV. Creation instructions (9) The processing unit 56 is used to generate a paper width and the sensing element is familiar with this. For example, the circuit board 54 is a special type that should be placed in the circuit close to the paper guide for hours, indicating that a certain size is defined. The definition of the electronic book creation detects any paper design. In summary, it is not a guarantee of the creation of the original book. ::: Obtain currents of different magnitudes, and check the table to see the value = Zhang value. In this way, this creation can detect non-manufactured paper. U is limited to A4 and A5 paper, and it is free from the traditional design of paper detection. The artist can also understand that the technique of this creation is not limited to the V body 52a and the resistance wire 54a being a metal or a metal alloy: a printed circuit board, and the control processing unit 56 is a microprocessor integrated circuit. In addition, in addition, the processing unit 56 is attached. In #, the power receiving end of the resistance wire 54a is also between the sheets 23a and 23b, the smaller the current through the conductive element 52 is, the smaller the paper width value is. In addition, the control processing unit 56 can correspond to a paper width value in a small range, and then these current ranges can form a data table with the paper width value. A paper width detecting device disclosed in the above embodiment can widen the sheet width, and get rid of the traditional paper width detection which can only detect the standard paper. Although this creation has been disclosed as above with a preferred embodiment, to limit this creation, 'anyone skilled in this art can make various changes and retouching without departing from the scope of God, so the scope of protection should be attached as the appendix. The scope of the patent application is defined as

M255153 Schematic illustration Schematic illustration

Figure 1 shows a partial top view of a conventional automatic paper feeder. Fig. 2A shows a partial top view of the paper and the paper tray according to the embodiment of the present invention. Figure 2B shows the paper width detection device and a partial side view of Figure 2A.

Fig. 2C shows a circuit block diagram of the paper width detecting device of Fig. 2A. A Figure 2D shows a side view of the conductive element in Figure 2A. Figure 2E is a top view of the circuit board of Figure 2A. Figure 2F is a partial perspective view of the circuit board and conductive elements of Figure 2E. FIG. 3A is a partial top view of the paper wide-production device and the paper tray according to the second embodiment of the present invention. X, "Figure 3B shows the paper width detection device and part of the side view of Figure 3A.% 3C shows the circuit block diagram of the paper width detection device of Figure 3A. The 3D drawing is a top view of the circuit board of FIG. 3A.

Figure 3E is a partial perspective view of the circuit board and conductive elements in Figure 3D. Schematic description of the symbols 1 〇: Automatic paper feeder

M255153_ Brief description of the drawings 1 2, 2 2: Paper trays 13, 23a, 23b: Paper guides 1 4 a, 1 4 b, 1 4 c: Sensing elements 15a, 15b, 15c, 25 ·· Paper 24a, 24b , 24c, 24d: Chute 30, 50: Paper width detection devices 32, 52. • Conductive elements 32a, 32b, 32c, 32d, 32e, 32f, 32g, 32h. • First conductor section 3 4, 5 4: Circuit boards 34a, 34b, 34c, 34d, 34e, 34f, 34g, 34h: Lead wires 3 6, 5 6: Control processing units 37a, 37b, 37c, 37d, 37e, 37f, 37g, 37h. · Second conductor section 3 8b, 3 8c, 3 8d, 38e, 38f, 38g, 38h · Insulation section 52a: Conductor section 54a: Resistance wire 54b: Power receiving end

TW1329-BF (Aurora) .ptd Page 15

Claims (1)

M2S5153 V. Scope of Patent Application1. A paper width detection device, which is arranged on a paper feed. The paper width detection device includes: τ at least one paper guide, which is movably disposed on the holding of a paper; A “clip-on conductive element” is moved in synchronization with the paper guide sheet and has a plurality of first conductor portions; the electric power element has a circuit board with a plurality of rows of wires parallel to each other, and each of the extending directions is the moving direction of the conductive element. A plurality of second conductor portions are formed in parallel and separated on the surface of the circuit board. Between the second conductor portions of each of the wires is an insulation interval, and each of the first conductors contacts the first portion of the wire correspondingly. The two conductors may correspond to each section, and < β, ,, and the edge one-by-one control processing unit, which provides a pinch between the wires and the conductive element, when the paper is clamped Each of the first conductive portions is in electrical contact with the second conductor portion of each of the wires or corresponds to the insulation region g of each of the wires. 'The control processing unit is opposed to each other by each of the first conductor portions. Each guide If a path is formed between the lines, a digital signal is obtained, and a paper width value is generated according to the two. 2. The paper width detecting device according to item 1 of the scope of patent application, wherein the control processing unit is disposed on the circuit board. 3. The paper width detecting device according to item 1 of the scope of patent application, wherein the control processing unit further includes a data table for comparing the digital signal to obtain the paper width value. 4 · The paper width detection device described in item 1 of the scope of patent application, Page 16 M255153 V. Scope of patent application Where the digital signal is a set of binary codes, and the number of bits of the digital signal is less than or equal to the number of the first conductors of the conductive element. 5. The paper width detecting device as described in item 4 of the scope of patent application, wherein the wires are formed on the circuit board with the second conductor portions and the insulation sections using a gray code coding rule, As a result, any two adjacent digital signals representing different paper widths change by only one bit. 6. The paper width detecting device according to item 1 of the scope of patent application, wherein the second conductor portions are metal or metal alloy. 7. The paper width detection device as described in item 1 of the scope of patent application, wherein the circuit board is a printed circuit board (PCB) ° 8. The paper width detection as described in item i of the scope of patent application The measurement device, wherein the control processing unit is a microprocessor (miCrOPrcess). 9. The paper width detecting device according to item 1 of the scope of patent application, wherein the control processing unit is an application specific integrated circuit (ASIC). I. The paper width detecting device as described in item 1 of the scope of the patent application, wherein the paper tray is set on an automatic document feeder (ADF). II. A paper width detecting device configured in a paper tray. The paper width detecting device includes: at least one paper guide plate movably disposed on the paper tray for holding a paper; M255153 V. Patent application scope A conductive element 'is moved synchronously with the paper guide, and the conductive has a conductor portion; a circuit board, the surface of which has a placement contact direction with the conductive contact of the conductive element; and a control processing unit, The body is provided. When the paper is clamped, the contact is based on the current of different sizes of the paper width, and generates 1 2 according to the scope of the patent application. The control processing unit includes a rationale. The current measured by the unit is used to generate the 13th, such as the 11th position in the patent application scope, where the control processing unit is set to 14th, the 11th position in the patent application scope, where the circuit board is a printed circuit. 15 The 11th wherein the control processing unit is a 16. If the scope of the patent application is χ j, where the control processing unit is a 17th; if the scope of the patent application is ii, where the tray is provided on a resistance wire, the extension of the resistance wire The direction is parallel and a voltage is connected to the conductor part. The resistance conductor part is the same as the electricity, and the control processes a paper width value. The paper width data sheet is used to compare the paper width value. The paper width described in item is placed on the circuit board. The paper-wide microprocessor described in the item. The paper width described in item Special Application Integrated Paper The paper width described in item Automatic feeder. The electrical unit of the lead and the resistance wire is a detection device, and the control position detection device is equipped with a 0 degree detection device detection device and a detection circuit. Degree detection equipment TW1329-BF (Aurora) .ptd Page 18