CN1072423C - Reader - Google Patents
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- Publication number
- CN1072423C CN1072423C CN96120323A CN96120323A CN1072423C CN 1072423 C CN1072423 C CN 1072423C CN 96120323 A CN96120323 A CN 96120323A CN 96120323 A CN96120323 A CN 96120323A CN 1072423 C CN1072423 C CN 1072423C
- Authority
- CN
- China
- Prior art keywords
- adjacent
- imageing sensor
- glass
- contact glass
- frame shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
- H04N1/00557—Connection or assembly of components or elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
- H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/1013—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
- H04N1/1039—Movement of the main scanning components
- H04N1/1043—Movement of the main scanning components of a sensor array
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0456—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 for maintaining a predetermined distance between the scanning elements and the picture-bearing surface
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimiles In General (AREA)
Abstract
The present invention provides a reader which make the whole weight light and can reduce the manufacture cost. A roll (4) is provided between a contact glass (1) and a contact image sensor (2). A push-up spring (6) is used to press the contact image sensor (2) onto the contact glass (1) to keep the distance between the contact glass (1) and the contact image sensor (2) constant so as to eliminate the need for stiffness for a case frame (14). The case frame (14) made of a formed resin is formed as an outer package component to make the weight of the reader light.
Description
The present invention relates to reading device, especially the sort of making is adjacent to the in-book form reading device that the formula imageing sensor is read the original copy that is placed on above the above-mentioned contact glass with advancing below contact glass.
Previously known is the sort of the fixing books corresponding that could read of original copy to being placed on reading device that the original copy of contact above the glass read, and this books corresponding reading device is the employing differential speculum mode that CCD is used as Optical devices mostly.
So-called differential speculum mode is provided with the 1st scanner and the 2nd scanner, and the 1st scanner is for to being arranged on that contact original copy on glass carries out actual scanning and along the prescribed direction displacement; The 2nd scanner is and 1/2 of the 1st scanner equidirectional, the 1st scanner displacement of displacement side by side, and often from the reading of original copy partly to being taken as necessarily as the optical path length till the CCD that reads Optical devices.
And, in this differential speculum mode, adopt the light path of turning back by a plurality of constant tilt speculums, these constant tilt speculums are to set in the 1st, the 2nd scanner from the reading part of original copy to the CCD light beam.
Like this, when the 1st, the 2nd scanner displacement, in case vibrate, just the inclination angle of these constant tilt speculums is departed from by this vibration.And the continuation that departs from the inclination angle of this constant tilt speculum intactly becomes departing from of angle of reflection, also constitutes light path and departs from.In addition, when placing the frame shape framework that contacts glass distortion is arranged, contact local the floating that take place on glass, therefore just have, cause the problem of light path skew again by this skew because of this floats the relative distance local offset that forms contact glass and the 1st, the 2nd scanner.
Therefore, for preventing the skew of this light path, use metallic plate instead and form frame shape framework so that it has rigidity, this frame shape framework is not deformed.
Even with contact transducer that glass carries out displacement substantially with being adjacent to as Optical devices, replace CCD by it, because shorter from contacting original copy on glass focal length till the transducer, thereby the clearance that optical equipments such as revisal lens of handling focal length skew usefulness are configured between contact glass and the transducer is just less.Like this owing to must keep the distance between contact glass and the transducer correct and certain, thereby will the same ground with above-mentioned situation, form frame shape framework with metallic plate etc. so that it has rigidity, frame shape framework is not deformed.
But, as mentioned above because the frame shape framework on the various reading devices all forms with materials such as metallic plates, thereby the weight of whole device body just increases the weight of.
Be sort this problem out, the reading device that proposes for Japanese patent gazette Te Kaiping-7-193689 number is to be provided with to be adjacent to the formula imageing sensor below contact glass, roller with being clipped in the middle, upspring by being adjacent to the formula imageing sensor towards the spring of contact glass pushing, the distance that makes contact glass and be adjacent between the formula imageing sensor is not subjected to the influence ground of frame shape framework distortion to keep certain, can make the reading device miniaturization, can make weight saving.
But the reading device that this part communique proposes does not make weight savings such as outer wrapper and frame shape framework, does not therefore realize the overall weight lightness of reading device.
The purpose of this invention is to provide a kind of reading device that can make overall weight alleviate, can reduce manufacturing cost.
The reading device of the present invention of making for achieving the above object make be adjacent to the formula imageing sensor along contact advance below the glass original copy above the above-mentioned contact glass reads to being placed on, it be provided with and above-mentionedly be adjacent to the elastic pressing part of formula imageing sensor bullet below contact glass, be arranged on above-mentioned be adjacent between formula imageing sensor and the contact glass roller with keep the above-mentioned resinous frame shape framework that contacts glass as the outer wrapper moulding.
The present invention is to use along the reading device of the contact glass formula that the is adjacent to imageing sensor of advancing to the books corresponding that is placed on contact original copy on glass and reads, because with the frame shape framework of resin-shaped apparatus for converting, thereby can make the reading device lightweight.
The above-mentioned device of readding is provided with the elastic pressing part that is adjacent to the formula imageing sensor, is made of spring etc. with being clipped in the middle and will be adjacent to the formula imageing sensor and upsprings below contact glass, roller, push it against contact glass.The distance that can make contact glass thus and be adjacent between the formula imageing sensor is not subjected to the influence ground of frame shape framework distortion to keep certain.
Not kept necessarily by frame shape framework distortion etc. owing to can and be adjacent to distance between the formula imageing sensor contact glass with influencing, thereby can keep in touch glass, thereby can alleviate the weight of reading device with the frame shape framework that for example constitutes by the resin section bar of the not too high lightweight of rigidity.Resin wherein can adopt the little resin of charging property that noise for example can not take place.
Because frame shape framework is as outer wrapper and moulding, thereby just needn't be provided with outer wrapper in addition, can make reading device weight saving, can reduce manufacturing cost.
Fig. 1 is the cross-sectional side view of reading device of the present invention,
Fig. 2 is the sectional drawing of facing of above-mentioned reading device,
Fig. 3 is the sectional drawing of facing that is adjacent to the formula imageing sensor,
Fig. 4 is the oblique view that is adjacent to the formula imageing sensor.
Below, with reference to accompanying drawing embodiments of the invention are described.
Fig. 1 is the cross-sectional side view of the reading device of the embodiment of the invention, and Fig. 2 is the sectional drawing of facing of reading device.As shown in the figure, reading device is provided with the contact glass 1 of placing original copy, be adjacent to formula imageing sensor 2, keep this carriage that is adjacent to formula imageing sensor 23 in the both sides that are adjacent to formula imageing sensor 2, can be arranged on the roller 4 on the carriage 3 of both sides freely to rotate, adorning the body 5 of advancing that is adjacent to formula imageing sensor 2 and advances along sub scanning direction, promote the lifting spring 6 of carriage 3, reeling and promoting the axle 7 of spring 6, be arranged on body 5 bottoms of advancing guide hole 8 and can be at 8 li guide shafts that connecting slidably 9 of this guide hole, be arranged on the highlight bar 10 of body 5 both sides of advancing, the guide rail 11 that highlight bar 10 is guided, actuating force is supplied with the CD-ROM drive motor 13 of the body 5 of advancing by hawser 12, the frame shape framework 14 that constitutes by the resin section bar.
Shown in the oblique view of facing sectional drawing and Fig. 4 of Fig. 3, be adjacent to formula imageing sensor 2 by carriage 3, promote by promoting spring 6.And by the effect of roller 4, make and keep being adjacent to the carriage 3 of formula imageing sensor 2 and the interval between the contact glass 1 can not become below the determining deviation.When reading original copy, by the actuating force of CD-ROM drive motor 13 outputs, make the body 5 of advancing under the guiding of guide shaft 9 and guide rail 11, move, make the formula that the is adjacent to imageing sensor 2 that is provided on the body 5 of advancing with respect to below contact glass 1 and mobile abreast, read original copy thus.At this moment, even guide rail 11 grades deform because by the effect that promotes spring 6, be adjacent to formula imageing sensor 2 rise to contact glass 1 below, thereby contact glass 1 and the relative distance that is adjacent between the formula imageing sensor 2 often can be kept certain.
And owing to can be frequently contact glass 1 and the relative distance that is adjacent between the formula imageing sensor 2 be kept certain, thereby the focal position that is adjacent to formula imageing sensor 2 just can not departed from.
Like this, owing to need not improve the rigidity of frame shape framework 14, thereby the available resin lighter than metal form monolithic devices with frame shape framework, can make the weight saving of reading device.The resin material that forms frame shape framework 14 can adopt the less ACS resin (Chlorinated Poiyethylene Acrylonitrile Styrene Copolymer) of charging property for example etc.
Also owing to the frame shape framework 14 that will keep in touch glass 1 is shaped as outer wrapper, thereby the number of components of whole device is reduced, and can make the weight saving of device.
As shown in Figure 1, when the assembling reading device, guide rail 11 is installed on the frame shape framework 14 earlier, the body 5 of advancing is installed, is after this installed from the upside of frame shape framework 14 in order and be adjacent to formula imageing sensor 2 and contact glass 1 from the upside of frame shape framework 14 then from frame shape framework 14 upsides.
Like this, since various members all be can be from the top of frame shape framework 14, repeatedly install thereby make the assembling operation of each member simpler, by reducing the man-hour of assembling operation, can reduce the cost of assembling operation.
As mentioned above, the present invention by be adjacent to the formula imageing sensor can be arranged on with promoting the contact glass of placing original copy below, can contact glass and be adjacent between the formula imageing sensor apart from maintenance necessarily.Owing to keep in touch the frame shape framework of glass with resin material formation, thereby can alleviate the weight of reading device and can reduce manufacturing cost.Again because frame shape framework is carried out moulding as outer wrapper, thereby the outer wrapper of surface through the decoration processing just need not be set in addition, thereby the overall weight of reading device is alleviated, can reduce manufacturing cost.
Claims (2)
1, reading device, it make be adjacent to the formula imageing sensor along contact advance below the glass original copy above the above-mentioned contact glass reads to being placed on, it is provided with and will above-mentionedly is adjacent to the elastic pressing part of formula imageing sensor bullet below contact glass, is arranged on above-mentioned formula imageing sensor and the roller of contact between the glass of being adjacent to, and it is characterized in that: it also has the resinous frame shape framework as the outer wrapper moulding that keeps above-mentioned contact glass.
2, reading device as claimed in claim 1 is characterized in that: above-mentioned frame shape framework is to form with the little resin material of charging property.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7288201A JPH09107436A (en) | 1995-10-11 | 1995-10-11 | Reader |
| JP288201/1995 | 1995-10-11 | ||
| JP288201/95 | 1995-10-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1191322A CN1191322A (en) | 1998-08-26 |
| CN1072423C true CN1072423C (en) | 2001-10-03 |
Family
ID=17727131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96120323A Expired - Fee Related CN1072423C (en) | 1995-10-11 | 1996-10-11 | Reader |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH09107436A (en) |
| KR (1) | KR100241797B1 (en) |
| CN (1) | CN1072423C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003143377A (en) * | 2001-10-31 | 2003-05-16 | Canon Inc | Image reader |
| JP6133566B2 (en) * | 2012-10-17 | 2017-05-24 | シャープ株式会社 | Image reading apparatus and image forming apparatus |
-
1995
- 1995-10-11 JP JP7288201A patent/JPH09107436A/en active Pending
-
1996
- 1996-10-10 KR KR1019960045037A patent/KR100241797B1/en not_active IP Right Cessation
- 1996-10-11 CN CN96120323A patent/CN1072423C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100241797B1 (en) | 2000-02-01 |
| CN1191322A (en) | 1998-08-26 |
| KR970024935A (en) | 1997-05-30 |
| JPH09107436A (en) | 1997-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20011003 Termination date: 20121011 |