201230021 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種資料讀取系統，尤指_種用於讀取 儲存於記錄裝置之複數個記錄位置上之㈣之光學全像資 料讀取系統。 【先前技術】 習知例如多層式光碟等之光學多層記錄媒體，其記憶 容量係為舊有的單層記錄媒體的數倍。然而目前若欲讀 取光學多層記錄媒體上所儲存的資料，係以聚焦的讀取光 束:層-層依序讀取儲存於每—記錄層的每_資料執道上 的資料，此種讀取方式每次僅讀取單—記錄層上所儲存的 貧料’即’與習知用以讀取單層記錄媒體的讀取方式相同， 亚未針對多層記錄媒體的特性在f料儲存及讀取方式上進 行改善。 發明人爰因於此，本於積極發明之精神，亟思一種單 次可讀取-記錄裝置之複數個記錄位置所儲存之資料之 「光學全像資料讀取系統」’幾經研究實驗終至完成此項 嘉惠世人之發明。 【發明内容】 鑒於上述習知的資料讀取系統尚有改進空間，本發明 之目的係在提供一種單次可讀取儲存於—記錄裝置之複數 個記錄位置之資料之光學全像f料讀取系紙，其係發射一 201230021 讀取光束至記錄裝置之該等記錄位置，並將其之複數個反 射光束所產生的複數個成像對應轉換為複數個訊號。 依據本發明之一特色，本發明係提出一種光學全像資 料讀取系聽合-記錄裝置，且用於讀取儲存於記錄 裝置之貝料，該系統包括：一光發射裝置，用以發射一讀 取光束至記錄裝置之複數個記錄位置，以分別產生複數個 反射光束，其中該等記錄位置係對應至記錄裝置表面一特 j位置，並分別位於一預定深度；一感測裝置，係接收該 等反射光束’ 4等反射光束係、分別成像於該感測裝置之 不同位置，α及一控制裝f，係分別與該光發射裝置及該 感測裝置耦合，以控制該光發射裝置發射該讀取光束，該 控制裝置並將該等反射光束於該感測裝置的複數個成像對 應轉換為複數個訊號’以讀取出記錄於記錄裝置上之資料。 【實施方式】201230021 VI. Description of the Invention: [Technical Field] The present invention relates to a data reading system, and more particularly to reading (4) optical holographic data for reading a plurality of recording positions stored in a recording device system. [Prior Art] It is known that an optical multilayer recording medium such as a multi-layer optical disc has a memory capacity several times that of an old single-layer recording medium. However, if the data stored on the optical multilayer recording medium is to be read, the focused reading beam: layer-layer sequentially reads the data stored in each data channel of each recording layer, such reading The method only reads the single-recording layer stored on the poor material 'that is' the same as the conventional reading method for reading the single-layer recording medium, and the sub-individual storage and reading for the characteristics of the multi-layer recording medium Improve the way you take it. The inventor, in view of this, in the spirit of active invention, the "optical holographic data reading system" of the data stored in a plurality of recording positions of a single readable-recording device has been subjected to several research experiments. Complete this invention to benefit the world. SUMMARY OF THE INVENTION In view of the above-mentioned conventional data reading system, there is still room for improvement. The object of the present invention is to provide an optical hologram reading of a single readable data stored in a plurality of recording positions of a recording device. The paper is taken, which emits a 201230021 read beam to the recording positions of the recording device, and converts the plurality of image corresponding signals generated by the plurality of reflected beams into a plurality of signals. According to a feature of the present invention, the present invention provides an optical holographic data reading system for listening and recording, and for reading a bedding stored in a recording device, the system comprising: a light emitting device for transmitting Reading a plurality of recording positions of the light beam to the recording device to respectively generate a plurality of reflected light beams, wherein the recording positions correspond to a position of the recording device surface and are respectively located at a predetermined depth; and a sensing device is Receiving the reflected beam beams of the reflected beams '4, etc., respectively, at different positions of the sensing device, α and a control device f are respectively coupled with the light emitting device and the sensing device to control the light emitting device The reading beam is emitted, and the control device converts the plurality of imaging corresponding signals of the reflected beam to the sensing device into a plurality of signals 'to read the data recorded on the recording device. [Embodiment]
凊芩照圖1 ’圖1係本發明一較佳實施例之光學全像資 料讀取系統之示意圖。本發明之光學全像f料讀取系統^ 如配令一 §己錄裝置丨’且用於讀取儲存於記錄裝置】中的資 料。光學全像資料讀取系統2包括一控制裝置21、—寫入裝 置22、-光發射裝置23、—感測裝置24、以及—承載裝置 25;其中，控制裝置2丨係分別與寫入裝置22、光發射裝置 23、，感測裝置24及承載裝置25轉合以進行控制，控制裝置 21並^該等反射光束於感測裝置洲複數個成像對應轉換 為複數個訊號’以讀取出記錄於記錄裝置1上之資料；寫入 201230021 A置22用以發Μ寫人光束至記錄裝置^，以將待 二ΓίΓ應於記錄裝置1表"定位置的複數= 其係，別位於一預定深度；光發射裝置23用以發 3貝取先束至特定位置所對應的該等記錄位置以 產生複數個反射光束，纟中讀取光束較佳係為一平面 -發散球面波；感測裝置24係接收㈣反射光束，且該等 反射光束係分別成像於❹彳裝置24的不同位置；承 25用以放置記錄裝置i，以使記錄裝置旧動或移動。、 請參照圖2,圖2係本發明—較佳實施例之於記錄裝置！ 上記錄光栅之示意圖。如圖2所示，將記錄裝置冰置於承 載裝置25上以將記錄裝置1轉動或移動，並以兩記錄光束31 入射至記錄裝置卜干涉所產生明暗干涉條紋使得記錄裝置 中的感光分子產生折射率變化。纟中，兩記錄光扣與記 錄裝置1之間的炎角係、分別為—預定角度α，預定角度“係 依光發射裝置23所發射的讀取光束的波長、角度以及記錄 光的波長而決定。在本實施例中，兩記錄光束3 t的波長較 佳係為532 nm，預定角度〇較佳係為45度，而光發射裝置 23所發射的讀取光束的波長較佳係為67〇 nm。 請參照圖3，圖3係本發明一較佳實施例之於記錄裝置j 寫入貢料之不意圖。如圖3所示，將記錄裝置丨放置於承載 裝置25上以由其轉動或移動記錄裝置丨，寫入裝置22發射一 寫入光束至記錄裝置1，以寫入資料至記錄裝置丨上；其中， 聚焦光束的能量使干涉條紋暗處為感光的分子感光，而使 記錄位置的折射率不再呈週期性分佈。 2012300211 is a schematic diagram of an optical holographic data reading system in accordance with a preferred embodiment of the present invention. The optical hologram f reading system of the present invention is used as a device for reading and storing in a recording device. The optical holographic data reading system 2 includes a control device 21, a writing device 22, a light emitting device 23, a sensing device 24, and a carrying device 25; wherein the control device 2 is respectively associated with the writing device 22, the light emitting device 23, the sensing device 24 and the carrying device 25 are rotated for control, and the control device 21 and the reflected light beam are converted into a plurality of signals in the plurality of imaging images of the sensing device to read out The data recorded on the recording device 1; written in 201230021 A is set 22 for issuing the human beam to the recording device ^, so as to be in the recording device 1 table " fixed position = its system, not located a predetermined depth; the light emitting device 23 is configured to send the first beam to the recording positions corresponding to the specific position to generate a plurality of reflected light beams, wherein the read beam is preferably a plane-divergent spherical wave; sensing The device 24 receives (four) reflected beams, and the reflected beams are imaged at different locations of the device 24, respectively; the carrier 25 is used to place the recording device i to cause the recording device to move or move. Please refer to FIG. 2. FIG. 2 is a recording apparatus of the present invention - a preferred embodiment! A schematic diagram of the upper raster is recorded. As shown in FIG. 2, the recording device is placed on the carrying device 25 to rotate or move the recording device 1, and the light-dark interference fringes generated by the interference of the two recording beams 31 incident on the recording device cause the photosensitive molecules in the recording device to be generated. The refractive index changes. In the middle, the inflammatory angle between the two recording light buckles and the recording device 1 is respectively - a predetermined angle α, the predetermined angle "depending on the wavelength, the angle of the reading beam and the wavelength of the recording light emitted by the light emitting device 23. In this embodiment, the wavelength of the two recording beams 3 t is preferably 532 nm, and the predetermined angle 〇 is preferably 45 degrees, and the wavelength of the reading beam emitted by the light emitting device 23 is preferably 67. Referring to FIG. 3, FIG. 3 is a schematic view of the recording device j writing a tribute according to a preferred embodiment of the present invention. As shown in FIG. 3, the recording device 丨 is placed on the carrying device 25 for Rotating or moving the recording device 丨, the writing device 22 emits a writing beam to the recording device 1 to write data onto the recording device ;; wherein the energy of the focused beam causes the interference fringes to be sensitive to the sensitive molecules, thereby making The refractive index of the recorded position is no longer periodically distributed. 201230021
請同時參照圖4A及圖4B，圖4A係本發明一較佳實施例 之於記錄裝置1寫入資料之剖面示意圖，圖4B係本發明另一 較佳實施例之於記錄裝置丨寫入資料之剖面示意圖。寫入裝 置22於記錄裝置丨所進行的寫入作業，係依據欲寫入之資料 凋整其所發射的寫入光束32的聚焦位置以及深度以 改變聚焦位置的折射率。如圖4A所示，寫入光束32可垂直 射至。己錄裝置1以執行寫入作業，如圖所示寫入光束 32更可以一特定角度0的入射角入射至記錄裝置丨進行寫 入作業，而寫入之資料係於記錄裝置1上形成複數個資料執 一 β …、圖5 ’圖5係本發明—較佳實施例之記錄裝置】 貝料轨迢10之不意圖，以本發明之光學全像資料讀取系 於記錄裝置1進行資料寫入或讀取時，係先將記錄裝置！ 置於承載裝置25上，以由其轉動記錄裝置卜俾供寫入裝 置2 2於纟己錄裝置1中窝入咨 ..冩貝枓而於其上形成複數個資料執 ^而光發射裝置23係、沿該等資料軌道1()的執道方向發 射碩取光束33，以分別讀屮株六 定深度的資料。 出儲存於各資料執道1〇上不同預 ”置：寺參：圖4A及圖5 ’寫入光束32係垂直入射至記 竑裝置1進仃寫入作業；當 % 人5貝取圮錄裝置1上所儲存的資 汛時，璜取光束33入射至記 , 眾凌置1表面之一特定位置上， 早-人即可項取出對應至特定 錄位置所儲存的資料。&置不同預定深度的複數個記 201230021 請同時參照圖4B及圖5，若寫入光束32係以特定角度θ 的入射角入射至記錄裝置丨進行寫入作業，則資料執道10於 不同預义深度所形成的執道半徑係因特定角度0而改變， 以圖4Β為例’資料軌道丨〇自上至下的執道半徑係逐漸增 加；當欲讀取記錄裝置丨上所儲存的資訊時，讀取光束33係 以特疋角度0的入射角入射至資料軌道1 〇上，以讀取儲存 於其上各預定深度的資料。 °月參照圖6，圖6係本發明一較佳實施例之於記錄裝置】 °賣取貝料之示意圖。如圖6所示，記錄裝置丨係放置於承載 裝置25上，光發射裝置23發射讀取光束33至記錄裝置1上， 感測裝置24接收記錄裝置丨所產生的反射光束34，其中感測 裝置24較佳係包括一透鏡24卜其係用以將反射光束％成像 於感測裝置24上。 另請參照圖7 A，圖7 Α係本發明另一較佳實施例之於記錄 攻置1讀取資料之剖面示意圖。於本實施例中，如圖7八所 不’係以入射角為特定角度Θ之寫入光束32寫入，以於記 亲裝置1的貝料執迢i 〇上，具有不同預定深度的8個特定位 置⑴]18上儲存資料，其可分別用以儲存丨位元⑽）的資 斗田欲。貝取犄，光發射裝置23將讀取光束33發射至記錄 ^置1 ’其人射㈣為特定角度Θ。讀取光束33係人射至特 定位置111-m上’特定位置Π1_118係分別產生—反射 34至感測裝置24,並成像於其上。 6其中，該等反射光東34於感測裝置24上的成像係依特 义位置1 1 1-118之折射率而改變，於本實施例中，特定位置 201230021 1 1 2、1 1 4、U 7未寫入資訊，其具有週期性分佈之折射率， 因此可滿足布拉格匹配而產生繞射光，特定位置丨丨丨、丨1 3、 H5、116、118係經寫入光束32改變其上之折射率’因此無 繞射光產生。 請同時參照圖7B，圖7B係本發明另一較佳實施例之感 測裝置上之成像之示意圖。如圖7B所示，該等反射光束34 於感測裝置24上所成的像係為複數個成像點9 ^在本實施例 中’控制裝置2 1係將分別對應特定位置丨u _丨丨8的成像點 91 -98對應轉換成8位元訊號，即1位元組（byte)訊號；其中， 未寫入資料的特定位置112、1】4、117由於有繞射光產生， 因此相對應的成像點92、94、97較亮，寫入資訊的特定位 置111、113、115、116、118由於無繞射光產生，因此相對 應的成像點91、93、95、96、98較暗。 综上所述，本發明之光學全像資料讀取系統以一道平 面波或發散球面波的讀取光線，單次即可讀取儲存於不同 預定深度的資料，因此以本發明之光學全像資料讀取系統 讀取儲存於多記錄層記錄裝置上之資訊，可有效提升讀取 速度。 上述實施例僅係為了方便說明而舉例而已，本發明所 主張之權利範圍自應以申請專利範圍所述為準，而非僅限 於上述實施例。 【圖式簡單說明】 201230021 圖！係本發明-較佳實施例之光學全像資料讀取系統之示 意圖* 圖2係本發明 意圖。 一較佳實施例之於記錄 裝置上記錄光柵之示 圖3係本發明一較佳實施例之於記錄裝 圖。 置寫入資料之示 意 圖4A係本發明一較佳實施例之於記錄裝置寫入資料之剖 面示意圖。 入資料之 圖4B係本發明另一較佳實施例之於記錄裝置寫 剖面示意圖。 置之資料軌道之剖面 圖5係本發明一較佳實施例之記錄裝 示意圖。 圖6係本發明一較佳實施例之於記錄裝置讀取資料之示意 圖。 圖7A係本發明另一較佳實施例之於記錄裝置讀取資料之 剖面示意圖。 圖7B係本發明另一較佳實施例之感測裝置上之成像之— 意圖。 示 【主要元件符號說明】 1記錄裝置 11，111 -11 8特定位置 21控制裝置 23光發射裝置 10資料執道 2光學全像資料讀取系統 22寫入裝置 24感測裝置_ 201230021 241透鏡 25 3 1 記錄光束 32 33 讀取光束 34 9, 91-98成像點 a Θ 特定角度 承載裝置 寫入光束 反射光束 預定角度4A and 4B, FIG. 4A is a schematic cross-sectional view of a recording device 1 for writing data according to a preferred embodiment of the present invention, and FIG. 4B is a recording device for writing data according to another preferred embodiment of the present invention. Schematic diagram of the section. The writing operation performed by the writing device 22 on the recording device 凋 is based on the information to be written to fade the focus position and depth of the written light beam 32 emitted thereto to change the refractive index of the focus position. As shown in Figure 4A, the write beam 32 can be incident perpendicularly. The recording device 1 performs a writing operation. As shown in the drawing, the writing beam 32 can be incident on the recording device for an input angle of a specific angle of 0, and the written data is formed on the recording device 1 to form a plurality of </ br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> When writing or reading, the recording device will be used first! And placed on the carrying device 25 to rotate the recording device for writing the device 2 to the 纟 录 装置 1 咨 咨 咨 咨 咨 咨 枓 枓 枓 枓 枓 枓 枓 枓 而 而 而 而 而 而 而 而 而 而 而 而 而 而In the 23 series, the master beam 33 is emitted along the orbital direction of the data track 1 () to read the data of the six depths of the strain. Stored in each data channel 1 不同 different pre-set: Temple ginseng: Figure 4A and Figure 5 'Write beam 32 is perpendicularly incident to the recording device 1 input and write operation; when the % person 5 圮 圮 装置 装置When the asset is stored on the 1st, the captured beam 33 is incident on the spot, and the spot is placed at a specific position on the surface of the first place, and the data stored in the corresponding recorded position can be taken out by the early-person. The depth of the plurality of records 201230021 Please refer to FIG. 4B and FIG. 5 simultaneously. If the writing beam 32 is incident on the recording device at an incident angle of a specific angle θ, the data is formed at different pre-precision depths. The radius of the road is changed by a specific angle of 0. Taking Figure 4 as an example, the radius of the road from top to bottom is gradually increased. When reading the information stored on the recording device, read The light beam 33 is incident on the data track 1 以 at an incident angle of a special angle of 0 to read the data stored at each predetermined depth. The month is referred to FIG. 6, which is a preferred embodiment of the present invention. Recording device] ° Schematic diagram of selling shellfish. As shown in Figure 6, The recording device is placed on the carrier device 25, and the light emitting device 23 emits the reading beam 33 onto the recording device 1. The sensing device 24 receives the reflected beam 34 generated by the recording device, wherein the sensing device 24 preferably includes A lens 24 is used to image the reflected beam % on the sensing device 24. Referring also to Figure 7A, Figure 7 is a cross section of the recording data of the recording attack 1 according to another preferred embodiment of the present invention. In the present embodiment, as shown in FIG. 7 , the writing beam 32 is written at a specific angle 入射 with an incident angle, so as to have different predetermined depths on the bedding device i 〇 of the recording device 1 . The 8 specific locations (1)] 18 store data, which can be used to store the 丨位(10)), respectively, and the light emitting device 23 transmits the reading beam 33 to the recording device. The shot (4) is at a specific angle Θ. The read beam 33 is incident on a specific position 111-m. The 'specific position Π1_118 is generated separately-reflected 34 to the sensing device 24 and imaged thereon. 6 wherein the reflected light The imaging of the east 34 on the sensing device 24 is at a discount of 1 1 1-118 In the present embodiment, the specific position 201230021 1 1 2, 1 1 4, U 7 has no information written, and has a periodically distributed refractive index, so that the Bragg matching can be satisfied to generate diffracted light, the specific position 丨丨丨, 丨1 3, H5, 116, 118 are changed by the writing beam 32 to change the refractive index thereof. Therefore, no diffracted light is generated. Please refer to FIG. 7B at the same time, and FIG. 7B is a sense of another preferred embodiment of the present invention. A schematic diagram of the imaging on the measuring device. As shown in FIG. 7B, the image formed by the reflected beam 34 on the sensing device 24 is a plurality of imaging points 9 ^ In the present embodiment, the control device 2 1 will be respectively The image points 91 - 98 corresponding to the specific position 丨u _ 丨丨 8 are correspondingly converted into 8-bit signals, that is, 1-byte (byte) signals; wherein the specific positions 112, 1 4, 117 of the unwritten data are There is diffracted light, so the corresponding imaging points 92, 94, 97 are brighter, and the specific positions 111, 113, 115, 116, 118 of the written information are generated due to no diffracted light, so the corresponding imaging points 91, 93, 95, 96, 98 are darker. In summary, the optical holographic data reading system of the present invention can read data stored at different predetermined depths in a single plane wave or divergent spherical wave reading light, and thus the optical hologram data of the present invention is used. The reading system reads the information stored on the multi-recording layer recording device, which can effectively improve the reading speed. The above-described embodiments are merely examples for the convenience of the description, and the scope of the claims is intended to be limited by the scope of the claims. [Simple description of the map] 201230021 Figure! DETAILED DESCRIPTION OF THE INVENTION The optical holographic data reading system of the preferred embodiment of the present invention is shown in Fig. 2 for the purpose of the present invention. A preferred embodiment of the recording device for recording a raster is shown in Figure 3 as a preferred embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Figure 4A is a cross-sectional view showing the writing of data by a recording device in accordance with a preferred embodiment of the present invention. Figure 4B is a schematic cross-sectional view of a recording device in accordance with another preferred embodiment of the present invention. Sectional view of the data track Figure 5 is a schematic view of a recording apparatus in accordance with a preferred embodiment of the present invention. Figure 6 is a schematic illustration of the reading of data by a recording device in accordance with a preferred embodiment of the present invention. Figure 7A is a cross-sectional view showing the reading of data by a recording apparatus in accordance with another preferred embodiment of the present invention. Figure 7B is an illustration of the imaging on a sensing device in accordance with another preferred embodiment of the present invention. [Main component symbol description] 1 Recording device 11, 111 -11 8 specific position 21 control device 23 light emitting device 10 data channel 2 optical holographic data reading system 22 writing device 24 sensing device _ 201230021 241 lens 25 3 1 Recording beam 32 33 Reading beam 34 9, 91-98 Imaging point a 特定 A specific angle carrier writes the beam to reflect the beam at a predetermined angle