TW381392B - Light source synchronization system for transparency scanner - Google Patents

Light source synchronization system for transparency scanner Download PDF

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Publication number
TW381392B
TW381392B TW087118453A TW87118453A TW381392B TW 381392 B TW381392 B TW 381392B TW 087118453 A TW087118453 A TW 087118453A TW 87118453 A TW87118453 A TW 87118453A TW 381392 B TW381392 B TW 381392B
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Taiwan
Prior art keywords
light source
item
scope
patent application
synchronization system
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TW087118453A
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English (en)
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Jr-Ming Chen
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Acer Peripherals Inc
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Priority to TW087118453A priority Critical patent/TW381392B/zh
Priority to US09/427,111 priority patent/US6553154B1/en
Priority to DE19952925A priority patent/DE19952925A1/de
Priority to JP11313476A priority patent/JP2000165606A/ja
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Publication of TW381392B publication Critical patent/TW381392B/zh

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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
    • H04N1/1017—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 the main-scanning components remaining positionally invariant with respect to one another in the sub-scanning direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • 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
    • H04N1/1026—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 using a belt or cable
    • 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
    • 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
    • H04N1/1048—Movement of the main scanning components of a lens or lens arrangement
    • 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
    • H04N1/1052—Movement of the main scanning components of a mirror
    • 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
    • H04N1/19—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 multi-element arrays
    • H04N1/191—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 multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • 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
    • H04N2201/0418—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 capable of scanning transmissive and reflective originals at a single scanning station

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Image Input (AREA)

Description

五、發明說明（i) 本發明係有關於一種掃描器，特別係 台式透明片掃描器’且更特別地係有關於種： 描器的光源同步系統。 、種透明片掃 平台式掃描器一般是用來對不透明 式的掃描，其係、利用一燈管發光 行反射 ” J學系統使被反射的光線投射至感d;件，再 燈官在掃描時，與被掃描的稿件間均中。由於 所以照射在稿件上的光強度相同。又因^目^之距離， 掃描稿件與感測裝置的距離亦保持固定马在知描時，被 的方向而言，感測裝置所接收到的影兀2以沿著掃描 變化，而有明暗不一致的狀況。=為距離的 句所造成影像在燈管方向上的灰階變：光不均 正片在掃描之前先建立一亮度的基準，用一校 ::裝置上每一個圖素的訊號，使感“置：依寐J正 的浪淡變化決定訊號的大小，而排除 ^依稿件上 導致的變化。 干u先源之亮暗所 若要進行透射稿件的掃描，一般 掃描附件（transparency kit)，在掃描過程透明片 稿光源，光源必須從透射稿件之另一 如供透射 入至稿件下方的光學系統中。請夂 穿過稿件，再進 當光源12為非平行光，且該光源；感“圖:第lb圖。 有變化時’感測器10所感測到的光線；八：相對位置 所改變。因此，對掃描器而古，/、 又刀布也將會有 器10與稿件上方的光源12必須同步移：片時’感測 右在移動時有 、發明說明（2) 些微不一致，則如第】 光線強度分布不釋定@ 由於感測器感受到的 請參閱第2圖—般有Λ化，掃描品質將變差。 棹彳，1尨μ 般的透明片掃描器附件之机丄+长去 件式，其係利用馬達14、24配 ：件之-计為動 光源的燈管18、28，在播# $ 〇皮耶6、26來帶動做為 動感測器20的馬達14盥“ ：：22時，再分別控制驅 馬賴，藉以使感測器;^片卜；描器附件之光源的 動。不過，由於馬方的光源28同步移 所造成的誤差，甚<1、=、差、齒輪真圓度不$ 再再均不可避免地會導致透明片 =誕差， 與感測器2 0在同時移動時 ^钂 、光源2 8 種習知的掃描器在掃描透明此，此 好的掃描品質。 卫…、法提供穩疋而良 有鑑於此5為了改立隹费 缺點，本發明乃提出器在掃描透明片時的 其可以確保透明4描====:“， 免”源的強度分布變化而導致掃動’以避 為了達到上述目的，本發明 同的馬達分別驅動透明片掃描器光源2測==不 而在透明片掃描器光源與感測器間提供士連=式， 然後僅以-個馬達同時帶動透明片掃描器光源鱼：係’ 器，以避免不同的馬達或齒輪算 ^ “"感測 差。 齒輪等驅動裝置所造成的誤 在本發明中 上述透明片掃描器光源與感冽 器間的
五 i8i332 、發明說明（3) __ 2結係以磁力的方式實現 他不同的方式’例如以機械的方式提^外，=可以其 源與感測器間的連結。一曰 > 明片掃描器光 相互連結而具有剛體的關：透==光源與感測器 如此-來，在掃瞒過程中保持固定不變， 強度分布可以固定，而不會影；；二至J :光源之光線 圖式之說明 胃到知描品質。 --p IW 1^1 〜、只训 的架構、特徵及優點，其中： Γ囬茲配合 步闌明本發明 第1 a圖第1 b圖係說明非平弁 T1 , 卞订光源投射；^ JJL i L + 面上之位置與光線強度分佈關係的^射於十面上時耳 第2圖係緣示習知的透明κ 構的分解圖。 知描器與掃描器附件之 第3圖係繪示本發明之透明片氺 一實施例之架構圖式。 描器先源同步系統 第4圖係繪示根據本發明之— 件内之架構的立體圖。 对透明片掃描器附 參考標號之說明 30掃描器本體；31第一朵、κ 〇〇 壯BE Ο 4 光/原，3 2稿件· q <3 裝置；34光學系統；35感測骏置 十驅動 置；40透明片掃描器附件；42 ’ 對磁性裝 lL ^ 冗第二光源；44结 性裝置；46滑執。 4第二對礤 實施例之說明
C:\Program Files\Patent\0535-3864-E.ptd第 6 貢 祕 i3S2
請參閱第3圖’根據本發 器光源同步系統係包括_ 貫MlJ，透月片掃插 器附件40。其中“二；；器本謂及-透明片掃插 描器附件40内的光源係源與透明片掃 一起。 j用磁力相互吸引而固定結合在 :弟3圖所示，上述掃描器本體3〇係包括： 3二用以提供對被掃描之不透明稿件以進行反射:原 =的一驅動裝置33，用以經由傳動裝 ： 达第一光源3 1，藉以播> 4ft 4* 莉上 稽你描被掃描之稿件32 ;光學系絲 :用以接受由上述第一光源31發出且 反射 光線，並使稿件32成像；—感測裝置35,用以接f = ^學=而形成的稿件32的像；及第一對磁= 置36，s又置於上述第一光源31的兩端。 上述透明片掃描器附件4〇則包括：第二光源仏，相 f於上述第一光源31，設置於被掃描之稿件32的另一 侧，用以提供掃描透明片所需之光源；第二對磁性裝置 44，設置於上述第二光源42的兩端，在進行掃描時，可 與上，第「對磁性裝置36相互吸引，使得上述第二光源 42 P遺著上述第-光源3}移自，由於本實施例中感測裝置 35係與上述第一光源31設置在一起，因此上述第二光源 42得以與上述感測裝置35同步移動。 上述第一對磁性裝置36可為設置在上述第一光源3丄 兩側的電磁鐵，平時並沒有磁性，但在進行透明片掃描 時可藉由電力產生磁力，帶動上述第二光源42，使第二
C:\Program Files\Patent\0535-3864-E.ptd第 7 頁 ^8.1.392 五、發明說明（5) 光源42與第一光源31及咸巾,# 第二對磁性裝置44可為：U 3二步移動。至於上述 最好是具有磁性的磁鐵；；：= = =，當然 性裝置36間產生穩固的磁力 、^方可與弟一對磁 隨著第一光源31與感测器35 沾j j保第二光源42能 性裝置44的設置位置應對應^上 。上述第二對磁 位置’也就是說第二對磁“置“庫：：：，置36的 36分別設置在掃描器之掃描平台^對對磁性褒置 上述第一光源31與上述第二光源42 描器所使用的燈管。至於上述感測裝 °採用習知掃 描器相同’可為電荷耦合裝置（CCD)，或是’复1一般的掃 件。上述驅動裝置33可為一步進馬達 傳、匕光感測元 包括齒輪33a及皮帶33b。上述 =，衣置則可 舰與聚焦裝麵，例如透；口是包括反射 另外，請參閱第4圖，須注音的是 設置在相互平行的滑執46上，" 〜第二光源42係 且上述第二光源可自由地在滑第 二光源的摩擦或阻礙均極小，以避免影響到上二述^ 源42相對於第一光源31與感測襞置35的同步移^第一先 。在上述實施例中雖然只提出了利用磁力，=二 描器本體内的光源與透明片掃描器附件内的 == 步地移動’不過，任何熟知此項技藝之人士，：：：： 本發明之精神與範，的情況下，都可輕易地以 式取代使用磁性的方式，例如可以機械方式使兩光源固
五、發明說明（6) 定聯結，使其可同步移動。 C:\ProgramFiles\Patent\0535-3864-E.ptd第 9 頁

Claims (1)

  1. 用以接收經由上述光學系統 中 六、申請專利範園 -掃1r器？掃描器光源同步系統，包括： 柃描器本體，包括： 光學系t 成像；’、統，用以接受被稿件反射的光線 一感測楚置 稿件的像； 射式掃π =源，用以提供對被掃描之不透明猜 射式知描所需的光源； 一驅動# 3E m 置，葬以_ ^ ，用以經由傳動裝置帶動上述 置耩^如插被掃描之稿件； f透：？裝置’設置於上述第-光源端; #透、月片掃描器附件，包括： 病株^ ^光源，相對於上述第一光源，設置於 “件，另1 ’用以提供掃描透 先 弟二磁性裝置，言史置於上述*二先 描時，可與上述第一磁性裝晋相石一先/原知， 第二光源與上述感測裝罝同步移動吸弓丨，藉以 2上ϋ請範圍第1項所述之光源同步) 上述桌一磁性裝置為一對電磁鐵。^ 3‘如申靖导利範圍第i項所述 上述第二磁毪裝f為一對電礤鐵源同步3 4. 如申請專利範圍第i項所述 ° . 上述第二磁性裝置為一對磁^先源同步 5. 如甲請專利範國第1項所述之光源同步, 並使稿件 而形成的 件進行反 感測裝 及 被掃描之 源； 在進行掃 使得上述 1統，其 統，其 統，其 統，其
    C:\ProgramFiles\Patent\0535-3864-E.ptd第 10 頁 六、申請專利範圍 t，上述第二磁胜I置為可被磁性吸引的材料。 6. 如申請專利範圍第1項所述之光源同步系統，其 中，上述第一光源及第二光源均為燈管。 7. 如申請專利範圍第1項所述之光源同步系統，其 中，上述感測’為C C D。 8. 如申請專利範圍第1項所述之光源同步系統，其 中，上述驅動裝f為一馬達。 9. 如申請專利範圍第1項所述之光源同步系統，其 中，上述第二光源係設置在相互平行的滑軌上。 I 0 . —種透明片掃描器光源同步系統，包括一光源， 與掃描器之影像感測裝置分別設置於待掃描稿件之相對 侧，用以提供掃描透明片所需之光源；一笋一磁性裝 置，設置於上述光源的兩端，在進行掃描時，可與用以 設置上述影像感測裝置之支撐架上的第二磁性裝置相互 吸引，藉以使得上述光源與上述感測裝置同步移動。 II .如申請專利範圍第1 〇項所述之光源同步系統，其 中，上述第一磁性裝置為一對電磁鐵。 1 2.如申請專利範圍第1 0項所述之光源同步系統，其 中，上述第二磁性裝置為一對電磁鐵。 1 3.如曱請專利範圍第1 0項所述之光源同步系統，其 t，上述第一磁性裝琶為一對磁鐵。 1 4.如申請專利範圍第1 0項所述之光源同步系統，其 中，上述第一磁<1：生裝置為.可被磁性吸引的材料。 1 5.如申請导利範圍第1 0項所述之光源同步系統，其
    C:\Program Files\Patent\0535-3864-E.ptd第 11 頁 六、申請專利範圍 中，上述年源為燈管。 1 6.如申請專利範圍第1 0項所述之光源同步系統，其 t，上述考傳感測裝置為CCD。 1 7.如申請專利範圍第1 0項所述之光源同步系統，其 中，上述光源係設置在相互平行的滑軌上。
    C:\Program Files\Patent\0535-3864-E.ptd第 12 頁
TW087118453A 1998-11-05 1998-11-05 Light source synchronization system for transparency scanner TW381392B (en)

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Application Number Priority Date Filing Date Title
TW087118453A TW381392B (en) 1998-11-05 1998-11-05 Light source synchronization system for transparency scanner
US09/427,111 US6553154B1 (en) 1998-11-05 1999-10-26 Image reading apparatus
DE19952925A DE19952925A1 (de) 1998-11-05 1999-11-03 Bildlesevorrichtung
JP11313476A JP2000165606A (ja) 1998-11-05 1999-11-04 イメ―ジ読取り装置

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TW087118453A TW381392B (en) 1998-11-05 1998-11-05 Light source synchronization system for transparency scanner

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US6650444B1 (en) * 2000-09-19 2003-11-18 Umax Data Systems Inc. Apparatus compensating a scanned object for optical characteristics according to light sources of different wavelengths
US7440147B2 (en) * 2002-01-19 2008-10-21 Hewlett-Packard Development Company, L.P. Optical scanning apparatus having self-propelled light bar assembly
TWI260156B (en) * 2005-03-11 2006-08-11 Lite On Technology Corp Scanner for scanning transparent documents
TWI260157B (en) * 2005-03-11 2006-08-11 Lite On Technology Corp Scanner for scanning transparent documents
US20070291330A1 (en) * 2006-06-16 2007-12-20 Kurt Eugene Spears Optical Transparent Media Adapter with Magnetically Coupled Optics and Light Guide
US8774681B2 (en) * 2007-10-31 2014-07-08 Hewlett-Packard Development Company, L.P. Scanner having driven member tension

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Publication number Priority date Publication date Assignee Title
EP0258791B1 (en) * 1986-08-29 1991-11-06 Pilot Man-Nen-Hitsu Kabushiki Kaisha Magnetic display unit
JPH04261261A (ja) * 1991-02-08 1992-09-17 Mitsubishi Electric Corp 原稿読取装置
US5367382A (en) * 1991-09-06 1994-11-22 Bhatt Nikhil A On-line microfilm storage and retrieval system
JP3757528B2 (ja) * 1997-02-28 2006-03-22 フジノン株式会社 スキャナー装置
US5986774A (en) * 1997-07-01 1999-11-16 Microtek International, Inc. Transparency adapter for flatbed scanner

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DE19952925A1 (de) 2000-05-11
JP2000165606A (ja) 2000-06-16

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