CN1411267A - Image scanning device having automatic paper feeder and automatic paper feeder - Google Patents
Image scanning device having automatic paper feeder and automatic paper feeder Download PDFInfo
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- CN1411267A CN1411267A CN 01141959 CN01141959A CN1411267A CN 1411267 A CN1411267 A CN 1411267A CN 01141959 CN01141959 CN 01141959 CN 01141959 A CN01141959 A CN 01141959A CN 1411267 A CN1411267 A CN 1411267A
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Abstract
An image scanning device with automatic paper-in device includes a shell, a scanning head with light source and an automatic paper-in device which contains feed paper structure, load paper structure under it, paper transferring channel connecting the two structures, paper transferring mechanism set on paper transferring channel, at the entry of the front section of which is set with a first sensor, a second sensor structure at the middle and a transparent scanning window at its rear end; the second sensor structure includes sensing elements and rotating shaft which connects to one of the sensing element and is driven by transferred paper to rotate counter clock wise with a predetermined angle to shield and form a reflecting light of the projection light of scanning head light source.
Description
Technical field
The invention belongs to image processing arrangement and parts thereof, particularly a kind of device of image scanning of tool automatic paper feeder and automatic paper feeder.
Background technology
Automatic paper feeder (automatic document feeder is to be widely used in copying machines ADF), as the image capture unit of scanner, for the file of automatic continuous feeding multipage tool image to scanning position.File on scanning position through light source projects with in media, for example paper or transparency (transparency) are gone up and are produced image.
As shown in Figure 1, known automatic paper feeder 10 is to be installed on the image capture unit, for example be installed on the platform-type scanner 12, it comprises paper feed tray 101, holds paper disc 102, bar 103 is rolled in feed-in, bar 104 is rolled in the first pair of transmission, bar 105 is rolled in the second pair of transmission, bar 106 is rolled in a pair of outlet, first sensor 107, second sensor 108, the 3rd sensor 109, paper transmit approach 110 and transparent scanning window 111.Paper transmits approach 110 and is made of the approach of transmission leading portion 110A, stage casing 110B and 110C linking.Probe 121 is in the platform-type scanner 12 that is installed under the transparent scanning window 111.Probe 121 is provided with light source and image capture unit, as electric coupling device (charge coupled device).
Paper feed tray 101 has put a folded file 1P1.Holding paper disc 102 is to be installed in paper feed tray 101 belows, for taking in and stack the file of sending from paper feed tray 101 continuously.Paper transmits approach back segment 110C and comprises transparent scanning window 111, and it is to read the document image information that transmits through transparent scanning window 111 for platform-type scanner 12 scanner unis.Feed-in roll bar 103, the first pair of transmission roll bar 104, the second pair of transmission roll bar 105 and in pairs outlet roll bar 106 be along paper transmit approach 110 transmission approach leading portion 110A, transmit approach stage casing 110B and the approach of transmission back segment 110C installing, for transmitting files to holding paper disc 102 from paper feed tray 101.It is to extract a page file from putting on paper feed tray 101 the folded file 1P1 that bar 103 is rolled in feed-in, and is fed on the paper transmission approach 110.First sensor 107 is to be installed in the inlet that paper transmits approach leading portion 110A, for the feed-in of detecting file.The first pair of transmission roll bar 104, the second pair of transmission roll bar 105 and a pair of outlet roll bar 106 for transmit files through transmission approach 110 to holding paper disc 102.Second sensor is 108 to be installed in paper and to transmit on the approach stage casing 110B, transmits the delivery status of file on the approach 110 for the detecting paper.The 3rd sensor 109 is that the paper that is installed near scanning position transmits on the approach back segment 110C.When file transmits through the 3rd sensor 109, make the 3rd sensor 109 detect file and arrive scanning starting position.Platform-type scanner 12 promptly is driven and begins to scan.
The known automatic paper feeder of this kind must be provided with three sensors 107,108,109 to carry out three kinds of different functions, and whether feed-in, the detecting file of promptly detecting file have file to arrive scanning starting position in delivery status and the detecting that paper transmits on the approach 110.Because the price of sensor is very expensive, makes that the manufacturing expense of this kind automatic paper feeder is quite high.
Summary of the invention
The purpose of this invention is to provide a kind of device of image scanning and automatic paper feeder that reduces sensor quantity, reduces the tool automatic paper feeder of manufacturing expense.
The present invention includes housing and be arranged at the probe of the tool light source in the housing; Be provided with transparent scanning window in the probe upper shell; The probe top is provided with automatic paper feeder; Automatic paper feeder comprises the paper feed structure that puts at least one page file, being positioned at paper feed structure below takes in and stacks the paper structure that holds that the paper feed structure is sent out one page at least, be connected the paper feed structure and hold paper structure and be sent to the file that holds paper structure with one page file at least by the paper feed structure and transmit approach, be arranged at the document conveying arrangement on the file transmission approach, be arranged at file and transmit first sensing structure of approach leading portion porch, be arranged at file and transmit second sensing structure in precalculated position, approach stage casing; Transparent scanning window is arranged at file and transmits the approach rear end; Second sensing structure comprises sensing element and rotating shaft; Rotating shaft is connected in sensing member one end and rotates counterclockwise predetermined angular under driving being transmitted file, blocks and form a reflective scan light source projects reflection of light light; Reverberation acts on the linear image sensing of probe and arrives scanning starting position with the detecting file.
Wherein:
A kind of automatic paper feeder, it comprises the paper feed structure that puts at least one page file, be positioned at paper feed structure below take in stack the paper feed structure send out one page at least hold paper structure, be connected the paper feed structure and hold paper structure with one page file at least by the paper feed structure be sent to the file that holds paper structure transmit approach, be arranged at document conveying arrangement on the file transmission approach, be arranged at file transmit approach leading portion porch first sensing structure, be arranged at file and transmit second sensing structure in precalculated position, approach stage casing and be arranged at the transparent scanning window that file transmits the approach rear end; Second sensing structure comprises sensing element and rotating shaft; Rotating shaft is connected in sensing member one end and rotates counterclockwise predetermined angular under driving being transmitted file, blocks and form a reflective scan light source projects reflection of light light; Reverberation acts on the linear image sensing of probe and arrives scanning starting position with the detecting file.
File transmission approach is the transmission approach that takes the shape of the letter U.
File transmission approach comprises at least one guide plate.
File transmission approach comprises plural guide plate.
Document conveying arrangement comprises that plural number rolls bar.
Owing to the present invention includes the probe and the automatic paper feeder of housing, tool light source; The file that holds paper structure, is connected the paper feed structure and holds paper structure that automatic paper feeder comprises the paper feed structure, be positioned at paper feed structure below transmits approach, be arranged at document conveying arrangement on the file transmission approach, be arranged at file transmit approach leading portion porch first sensing structure, be arranged at file and transmit second sensing structure in precalculated position, approach stage casing and be arranged at the transparent scanning window that file transmits the approach rear end; Second sensing structure comprises sensing element and rotating shaft; Rotating shaft is connected in sensing member one end and rotates counterclockwise predetermined angular under driving being transmitted file, blocks and form a reflective scan light source projects reflection of light light; Reverberation acts on the linear image sensing of probe and arrives scanning starting position with the detecting file.By document conveying arrangement file on the paper feed structure folded extract a page file and transmit approach through file detect file feed-in file by first sensing structure in regular turn and transmit approach leading portion, second sensing structure and detect file and be transmitted in file and transmit the approach stage casing and drive inverse clock at file and rotate predetermined angular by the second sensor rotating shaft, to block and to form a reflective scan light source projects reflection of light light; The linear image sensing of probe changes detecting file arrival scanning starting position under the reverberation effect at second sensor, makes image scanner promptly be driven and begins to scan; So, whether the present invention has file to arrive the sensor of scanning starting position so that the image sensor replacement of image scanner is known in order to detecting, therefore, reduces sensor quantity, reduces manufacturing expense, thereby reach purpose of the present invention.
Description of drawings
Fig. 1, for known automatic paper feeder structural representation end view (being applied to platform-type scanner).
Fig. 2, for structural representation end view of the present invention.
Fig. 3, for user mode schematic diagram of the present invention (file is extracted to the transmission approach).
Fig. 4, for user mode schematic diagram of the present invention (file transmits through second sensor).
Fig. 5, for user mode schematic diagram of the present invention (file is sent out).
Embodiment
As shown in Figure 2, the device of image scanning 22 of tool automatic paper feeder of the present invention comprises housing 220 and automatic paper feeder 20.
As shown in Figure 2, automatic paper feeder 20 of the present invention is the device of image scanning 22 that is applicable to the tool automatic paper feeder of platform-type scanner, also applicable to the platform-type input unit of other kenel, and for example platform-type copying machines.
The file that holds paper structure 202, is connected paper feed structure 201 and holds paper structure 202 that automatic paper feeder 20 of the present invention comprises paper feed structure 201, be positioned at paper feed structure 201 belows transmits approach 210 and is arranged at file in regular turn and transmits document conveying arrangement, first sensing structure 207, second sensing structure 208 and transparent scanning window 211 on the approach 210.
Paper transmits approach 210 and is made of the approach of transmission leading portion 210A, stage casing 210B and 210C linking.
Document conveying arrangement comprises that feed-in rolls that bar 203, the first pair of transmission roll bar 204, bar 205 is rolled in the second pair of transmission and bar 206 is rolled in a pair of outlet.File transmits approach 210 and comprises at least one guide plate, is preferably the transmission approach that takes the shape of the letter U.
Be provided with probe 221 in the image scanner 22 under the transparent scanning window 211.Have linear image sensor and light source in the probe 221 for electric coupling device (charge coupled device).This linear image sensor system reads image data on the file in the linear scan mode.Scanning direction system is perpendicular to the document draft face.When file transmitted through transparent scanning window 211, the leading edge of this linear image sense along device system from file read image data linearly to the rear end.
As shown in Figure 3, roll the folded 2P2 of bar 203 file on the paper feed structure 201 when feed-in and extract a page file 1P21, and when transmitting approach leading portion 210A and deliver to first pair of transmission and roll bar 204 via file, first sensing structure 207 will detect file 2P21 feed-in file and transmit approach leading portion 211A.
As shown in Figure 4, when file 2P21 when file transmits approach stage casing 210B and transmits through second sensing structure 208, second sensing structure 208 will detect file 2P21 and be transmitted in file and transmit on the approach stage casing 210B.Simultaneously, rotating shaft 209 will be driven inverse clock by file 2P21 and rotate predetermined angular, to block the projection light from probe 221 light sources.Thereby the linear image sensor in the probe 211 will sense the reverberation of the axis of rotation 209 and detect file 2P21 arrival scanning starting position.Image scanner 22 promptly is driven and begins to scan.
As shown in Figure 5, when transparent scanning window 211 was left in file 2P21 rear end, a pair of outlet was rolled bar 206 and is about to file and is sent to and holds paper structure 202.
Whether automatic paper feeder of the present invention has file to arrive the sensor of scanning starting position so that the image sensor replacement of image scanner is known in order to detecting, and therefore, the present invention can save at least one sensor, thereby reduces manufacturing expense.
Claims (10)
1, a kind of device of image scanning of tool automatic paper feeder, it comprises housing and is arranged at the probe of the tool light source in the housing; Be provided with transparent scanning window in the probe upper shell; The probe top is provided with automatic paper feeder; Automatic paper feeder comprises the paper feed structure that puts at least one page file, being positioned at paper feed structure below takes in and stacks the paper structure that holds that the paper feed structure is sent out one page at least, be connected the paper feed structure and hold paper structure and be sent to the file that holds paper structure with one page file at least by the paper feed structure and transmit approach, be arranged at the document conveying arrangement on the file transmission approach, be arranged at file and transmit first sensing structure of approach leading portion porch, be arranged at file and transmit second sensing structure in precalculated position, approach stage casing; Transparent scanning window is arranged at file and transmits the approach rear end; It is characterized in that described second sensing structure comprises sensing element and rotating shaft; Rotating shaft is connected in sensing member one end and rotates counterclockwise predetermined angular under driving being transmitted file, blocks and form a reflective scan light source projects reflection of light light; Reverberation acts on the linear image sensing of probe and arrives scanning starting position with the detecting file.
2, automatic paper feeder according to claim 1 is characterized in that described file transmission approach is the transmission approach that takes the shape of the letter U.
3, automatic paper feeder according to claim 1 and 2 is characterized in that described file transmission approach comprises at least one guide plate.
4, automatic paper feeder according to claim 1 and 2 is characterized in that described file transmission approach comprises plural guide plate.
5, automatic paper feeder according to claim 1 is characterized in that described document conveying arrangement comprises that plural number rolls bar.
6, a kind of automatic paper feeder, it comprises the paper feed structure that puts at least one page file, being positioned at paper feed structure below takes in and stacks the paper structure that holds that the paper feed structure is sent out one page at least, be connected the paper feed structure and hold paper structure and be sent to the file that holds paper structure with one page file at least by the paper feed structure and transmit approach, be arranged at the document conveying arrangement on the file transmission approach, be arranged at file and transmit first sensing structure of approach leading portion porch, being arranged at file transmits second sensing structure in precalculated position, approach stage casing and is arranged at the transparent scanning window that file transmits the approach rear end; It is characterized in that described second sensing structure comprises sensing element and rotating shaft; Rotating shaft is connected in sensing member one end and rotates counterclockwise predetermined angular under driving being transmitted file, blocks and form a reflective scan light source projects reflection of light light; Reverberation acts on the linear image sensing of probe and arrives scanning starting position with the detecting file.
7, automatic paper feeder according to claim 6 is characterized in that described file transmission approach is the transmission approach that takes the shape of the letter U.
8,, it is characterized in that described file transmission approach comprises at least one guide plate according to claim 6 or 7 described automatic paper feeders.
9,, it is characterized in that described file transmission approach comprises plural guide plate according to claim 6 or 7 described automatic paper feeders.
10, automatic paper feeder according to claim 6 is characterized in that described document conveying arrangement comprises that plural number rolls bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01141959 CN1411267A (en) | 2001-09-25 | 2001-09-25 | Image scanning device having automatic paper feeder and automatic paper feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01141959 CN1411267A (en) | 2001-09-25 | 2001-09-25 | Image scanning device having automatic paper feeder and automatic paper feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1411267A true CN1411267A (en) | 2003-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01141959 Pending CN1411267A (en) | 2001-09-25 | 2001-09-25 | Image scanning device having automatic paper feeder and automatic paper feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1411267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100432853C (en) * | 2005-07-26 | 2008-11-12 | 三星电子株式会社 | Image forming apparatus and light scanning apparatus |
-
2001
- 2001-09-25 CN CN 01141959 patent/CN1411267A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100432853C (en) * | 2005-07-26 | 2008-11-12 | 三星电子株式会社 | Image forming apparatus and light scanning apparatus |
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