WO2010044159A1 - 画像情報検出装置 - Google Patents
画像情報検出装置 Download PDFInfo
- Publication number
- WO2010044159A1 WO2010044159A1 PCT/JP2008/068741 JP2008068741W WO2010044159A1 WO 2010044159 A1 WO2010044159 A1 WO 2010044159A1 JP 2008068741 W JP2008068741 W JP 2008068741W WO 2010044159 A1 WO2010044159 A1 WO 2010044159A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image information
- information detection
- receiving sensor
- light receiving
- liquid crystal
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims description 32
- 239000000725 suspension Substances 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 description 42
- 238000012986 modification Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 9
- 230000005484 gravity Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000005375 photometry Methods 0.000 description 3
- 239000002783 friction material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0271—Housings; Attachments or accessories for photometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0291—Housings; Spectrometer accessories; Spatial arrangement of elements, e.g. folded path arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/506—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors measuring the colour produced by screens, monitors, displays or CRTs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0693—Calibration of display systems
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
Definitions
- the present invention relates to an image information detection device used for calibration (calibration of luminance, chromaticity, etc.) of a display device such as a liquid crystal.
- a photometry unit provided opposite to a liquid crystal display unit, and a measurement unit that detects a signal of the photometry unit and measures image quality data (image information)
- a storage means for storing ideal ideal registered image quality data; and a comparison means for comparing the registered image quality data with the measured measurement image quality data to extract difference data; The image quality of the liquid crystal display unit is adjusted based on the calculated difference data.
- Patent Document 1 image information of a liquid crystal display unit is obtained by a light receiving sensor provided in a photometry unit.
- a liquid crystal display unit is used. It is necessary to attach and fix the light receiving sensor at a designated position on the display surface. This is because if there is a gap between the image information detection member and the display surface, even light from the surroundings will be sensed, accurate information cannot be detected, and accurate calibration cannot be performed as a result. It is.
- the image information detection device 50 that performs calibration of the display device as in Patent Document 1, for example, image light emitted from the display surface 51 ⁇ / b> A of the liquid crystal display device 51 is received.
- An image information detection member 52 having a light receiving sensor 52A for transmitting, a transmission cable 53 for transmitting image information detected by the image information detection member 52, and a weight 54 provided in the middle of the transmission cable 53.
- the end of the transmission cable 53 is connected to an output device (not shown) such as a personal computer.
- the transmission cable 53 is bridged from the upper side of the liquid crystal display device 51.
- the image information on the display surface 51A detected by the image information detection member 52 is transmitted to the output device through the transmission cable, and the image information is analyzed by the output device. . JP 2005-208548 A
- a sponge-like shape is used to protect the display surface 51A and prevent it from sliding off at the portion where the light receiving sensor 52A of the image information detection member 52 and the display surface 51A are in close contact.
- the material should be used as a friction material and thereby be positioned as indicated by the dashed line.
- the transmission cable 53 is used as shown by a solid line.
- the light receiving sensor 52A of the suspended image information detection member 52 is in a state of being separated from the display surface 51A, and a gap 55 is easily formed between the light receiving sensor 52A and the display surface 51A. Then, since ambient light enters the light receiving sensor 52A from the gap 55 formed here, there arises a problem that accurate information cannot be detected. And in order to improve such a state, the light receiving sensor 52A of the image information detecting member 52 is made to incline the display surface 51A of the liquid crystal display device 51 by tilting the display surface 51A of the liquid crystal display device 51 as shown in FIG. However, if the contact is not sufficient, it is necessary to always hold it with a hand or the like during detection of image light so that light from the surroundings does not enter.
- the present invention has been made in consideration of such circumstances, and with a simple configuration, a force is applied in a direction in which the light receiving sensor of the image information detecting member is in close contact with the display surface, and the light receiving sensor and the display device ( This improves the adhesion of the liquid crystal display unit) to the display surface, so that when calibrating, the light receiving sensor can move away from the display surface and detect accurate information under the influence of light from the surroundings.
- An object of the present invention is to provide an image information detection device for a display device that can solve the problem of disappearance and can accurately detect image information.
- an image information detection apparatus for detecting image light, comprising: an image information detection member comprising a detection surface having a light receiving sensor for detecting image light; and the image information detection member; A pressing member connected at one end and provided so as to protrude from the other surface side opposite to the detection surface.
- FIG. 1 is a side view showing an entire arrangement of an image information detection device according to an embodiment of the present invention in a display device. It is a side view which shows the detail of the part in which the light reception sensor of the image information detection apparatus which concerns on embodiment of this invention was provided. It is explanatory drawing explaining the angle which an image information detection member and a press member make in the image information detection apparatus which concerns on embodiment of this invention.
- the image information detection apparatus of the 1st modification of embodiment of this invention it is a side view when a press member is a accommodation state.
- the image information detection apparatus of the 1st modification of embodiment of this invention it is a side view when a press member is in the state extended by sliding.
- the display device 101 includes a pedestal unit 1, a liquid crystal display unit 2 that is fixed to the pedestal unit 1 and has a display surface 2A on the front surface, and a drive unit 3 that causes the liquid crystal display unit 2 to display an image.
- the pedestal unit 1 is installed on a horizontal plane, the angle is adjusted so that the display surface 2A of the liquid crystal display unit 2 is vertical.
- the display surface 2A has a flat surface with no step.
- the image information detection apparatus 100 includes an image information detection member 11 including a detection surface 10 ⁇ / b> A having a light receiving sensor 10 that receives image light emitted from the display surface 2 ⁇ / b> A of the liquid crystal display unit 2.
- a pressing member 12 (described later) that generates a pressing force that is fixed to the base end portion (upper end portion in the drawing) of the image information detection member 11 and presses the light receiving sensor 10 against the display surface 2A of the liquid crystal display portion 2.
- a transmission cable 13 that suspends the image information detection member 11 and the pressing member 12 and transmits image information detected by the image information detection member 11, and an image information detection member 11 that is provided in the middle of the transmission cable 13.
- the weight 14 (balance means) which has the weight which balances the press member 12.
- FIG. And in such an image information detection apparatus 100, since the weight 14 which balances the image information detection member 11 and the press member 12 is provided in the middle of the transmission cable 13, as shown in FIG.
- the image information detection member 11 can be stopped at a specific height on the display surface 2A of the liquid crystal display unit 2 by laying the weight 14 on the back side of the display device 101 over the display device 101. it can.
- the end of the transmission cable 13 is connected to an output device (not shown) such as a personal computer.
- an image information detection device 100 the image information on the display surface 2A detected by the image information detection member 11 is transmitted to the output device via the transmission cable 13, and the image information is analyzed by the output device.
- the liquid crystal display unit 2 and the pressing member 12 are suspended by the transmission cable 13 serving as a hanging member.
- the present invention is not limited to this, and the liquid crystal display unit 2 and the pressing member 12 are wired. It is good also as a separate body from the transmission cable 13 by suspending with suspension members, such as.
- the light receiving sensor 10 is provided so as to face one surface 11A of the image information detection member 11 serving as the detection surface 10A.
- the pressing member 12 is provided at the base end of the image information detecting member 11 so as to protrude from the other surface 11B side opposite to the one surface 11A serving as the detecting surface 10A. It is formed so that it becomes the character of “ku”.
- the transmission cable 13 is connected with the base end portion of the pressing member 12 fixed to the image information detection member 11 as a suspended position.
- the light receiving sensor 10 with respect to the display surface 2 ⁇ / b> A of the liquid crystal display unit 2 is caused by the rotational moment generated by the weight of the pressing member 12, with the suspending position by the transmission cable 13 as a fulcrum O.
- a pressing force in the direction of arrow M for pressing is generated.
- a force that causes the detection surface 10A provided with the light receiving sensor 10 to be in close contact with the display surface 2A of the liquid crystal display unit 2 is exerted to improve the adhesion between the light receiving sensor 10 and the display surface 2A of the liquid crystal display unit 2. Can be increased.
- the hanging position of the transmission cable 13 with respect to the pressing member 12 is a fixed position as a fulcrum O, but is not limited to this, as shown by arrows ab in FIG.
- the position of the pressing member 12 may be adjustable so as to be close to and away from the image information detecting member 11 along the length direction.
- the transmission cable 13 By adjusting the suspension position (position to be the fulcrum O) in the length direction (arrow ab direction) of the pressing member 12, the rotational moment generated in the pressing member 12 is changed, and the liquid crystal display unit 2
- the angle formed by the detection surface 10A provided with the light receiving sensor 10 with respect to the display surface 2A can be adjusted. This makes it possible to further improve the adhesion of the light receiving sensor 10 to the display surface 2A of the liquid crystal display unit 2 that is partially inclined.
- FIG. 3 is a diagram showing a state when the image information detection apparatus 100 is suspended by the transmission cable 13.
- the end of the image information detection member 11 on the side where the pressing member 12 is not joined is denoted by “A”, and the fulcrum that is the hanging position of the transmission cable 13 is provided.
- the symbol “O” the position on the extended line of the suspended transmission cable 13 is denoted by “B”, and the end of the pressing member 12 on the side where the image information detecting member 11 is not joined is denoted by “C”.
- the angle ( ⁇ AOB) formed by the extended line of the suspended transmission cable 13 (vertical direction of the fulcrum O) and the detection surface 10A provided with the light receiving sensor 10 and the extended line of the transmission cable 13 (vertical direction of the fulcrum ⁇ ) 1) and the angle ( ⁇ BOC) formed by the pressing member 12 are equal to each other, or ⁇ AOB is larger than ⁇ BOC, thereby pressing the light receiving sensor 10 against the display surface 2A of the liquid crystal display unit 2 in FIG. It is generating the pressing force of the to arrow M direction.
- the present invention is not limited to such a structure, and as shown in FIG. 4, the pressing member 12 is constituted by two slidable members 15 and 16, and the two members 15 and 16 are slid as shown in FIG.
- the length can be changed (stretched).
- the position of the center of gravity of the pressing member 12 changes even if the weight of the pressing member 12 is the same, and the image information detecting member 11 is moved toward the display surface 2A of the liquid crystal display unit 2 by the arrow M. It is possible to generate a greater rotational force that rotates in the direction. For this reason, as shown in FIGS. 4 and 5, ⁇ AOB> ⁇ BOC, and the pressing force of the light receiving sensor 10 against the display surface 2 ⁇ / b> A of the liquid crystal display unit 2 can be increased. That is, by making the length of the pressing member 12 changeable, it is possible to generate a larger pressing force as compared with a pressing member having the same weight (the length cannot be changed). The pressing member 12 can be reduced in weight while maintaining the same position.
- the image information detection apparatus 100 extends in a direction away from the light receiving sensor 10 at a position opposite to the detection surface 10A on which the light receiving sensor 10 is provided. Since the existing pressing member 12 is provided, the light receiving sensor 10 is pressed against the display surface 2A of the liquid crystal display unit 2 by the rotational moment generated by the pressing member 12 with the suspension position by the transmission cable 13 as a fulcrum O. A pressing force can be generated.
- a weight 14 having a weight that balances the image information detection member 11 is provided in the middle of the transmission cable 13 as a balancing means.
- the image information detection member 11 can be stopped at a specific height on the display surface 2A of the liquid crystal display unit 2 by placing the weight 14 on the back side of the display device 101 across the upper side.
- the transmission cable 13 that suspends the image information detection member 11 is the same as the transmission cable that transmits the image information detected by the light receiving sensor 10 of the image information detection member 11.
- the configuration can be simplified.
- the suspension position of the transmission cable 13 is provided so that the position can be adjusted so as to be close to and away from the image information detection member 11 along the length direction of the pressing member 12. As shown in FIG. 11, there is a cover 2B called a bezel on the side of the display surface 2A of the liquid crystal display unit 2, and a portion of the display surface 2A is uneven and is not flat. If there is, the display surface 2A of the liquid crystal display unit and the detection surface 10A provided with the light receiving sensor 10 may not be substantially parallel. However, in the image information detection apparatus 100 of the present embodiment, the suspension position of the transmission cable 13 is provided so that the position can be adjusted so as to be close to and away from the image information detection member 11 along the length direction of the pressing member 12. As shown in FIG.
- the rotational moment generated by the pressing member 12 is changed, and the center of gravity is made the same position. While maintaining, the angle formed by the detection surface 10A provided with the light receiving sensor 10 with respect to the display surface 2A of the liquid crystal display unit 2 can be adjusted. Thereby, the adhesiveness of the light reception sensor 10 with respect to the display surface 2A of the liquid crystal display part 2 with an unevenness
- the length of the pressing member 12 can be changed. Therefore, when the length of the pressing member 12 is increased, the display surface generated by the rotational moment of the pressing member 12 The pressing force of the light receiving sensor 10 against 2A can be made larger.
- the length of the pressing member 12 changeable it is possible to reduce the weight of the pressing member 12 while keeping the center of gravity at the same position. As a result, it is possible to reduce the weight of the entire apparatus. Become.
- the light reception on the display surface 2A caused by the rotational moment of the pressing member 12 is appropriately changed by appropriately changing the angle ( ⁇ ) formed by the image information detecting member 11 and the pressing member 12.
- the pressing force of the sensor 10 as an optimum value, the light receiving sensor 10 can be prevented from pressing the display surface 2A of the liquid crystal display unit 2 unevenly. Thereby, an extreme burden on the display surface 2A can be reduced.
- the angle formed by the image information detecting member 11 and the pressing member 12 can be changed, the image information detecting member 11 and the pressing member 12 can be folded compactly when not in use, which is convenient for carrying and increases the ease of use. can get.
- a liquid crystal display device is used as the display device 101.
- the present invention is not limited to this, and a PDP (plasma display panel), organic EL, electronic paper, or the like may be used.
- the image information detection member 11 is stopped at a specific height of the display surface 2A of the liquid crystal display unit 2 by the weight 14 serving as a balance means.
- the weight 14 is provided. Is not essential.
- the image information detection member 11 may be held stationary at a specific height by hooking the transmission cable 13, which is a suspension member, on the base portion 1 of the display device 101.
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- Nonlinear Science (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
Description
例えば、特許文献1に示される表示システムの調整装置では、液晶表示部に対向して設けられた測光部と、該測光部の信号を検出して画質データ(画像情報)を測定する測定手段と、予め定めた理想的な登録画質データを記憶させておく記憶手段と、前記登録画質データと測定された測定画質データを比較して差分データを抽出する比較手段とを有し、該比較手段での算出された差分データに基づき、液晶表示部の画質を調整する。
そして、このような画像情報検出装置では、画像情報検出部材52で検出された表示面51Aの画像情報が、送信ケーブルを通じて出力装置に送信され、該出力装置にて該画像情報の分析がなされる。
しかしながら、図13のように、液晶表示装置51の表示面51Aが垂直(又は前傾)の姿勢を保っていた場合、摩擦材を使用していたとしても、実線で示すように送信ケーブル53で吊り下げられた画像情報検出部材52の受光センサ52Aは、表示面51Aから離れた状態になり、受光センサ52Aと表示面51Aとの間に隙間55ができ易くなる。そして、ここで形成された隙間55から、該受光センサ52Aに周囲の光が入り込んでしまうために、正確な情報を検出できないという問題が発生する。
そして、このような状態を改善するために、図14のように液晶表示装置51の表示面51Aを傾斜させることで、画像情報検出部材52の受光センサ52Aを、液晶表示装置51の表示面51Aに密着させるようにするが、このようにしても密着が十分でない場合には、周囲からの光が入らないように、画像光の検出中は常に手などで押さえておく必要がある。また、画像情報検出部材52の受光センサ52Aの周囲に吸盤を取り付けるなどして、該受光センサ52Aが表示面51Aから離れる事を防ぐ場合もあるが、表示面51Aに跡が残ることや、繰り返し使用することで吸盤の吸着力は落ち、同様に、画像情報検出部材52の受光センサ52Aが表示面51Aから離れた状態となって、依然として、正確な画像情報を収集できないという問題があった。
10…受光センサ
11…画像情報検出部材
12…押圧部材
13…送信ケーブル(吊り下げ部材)
14…錘(バランス手段)
100…画像情報検出装置
101…表示装置
O…吊り下げ位置
まず、表示装置101は、台座部1と、該台座部1に固定されて前面に表示面2Aを有する液晶表示部2と、該液晶表示部2に対して画像を表示させる駆動部3とから構成されるものであって、水平面上に台座部1を設置した場合に、液晶表示部2の表示面2Aは垂直となるように角度が調整されている。また、本実施形態では、表示面2Aは表面が段差なく平面になっている。
そして、このような画像情報検出装置100では、送信ケーブル13の途中に、画像情報検出部材11及び押圧部材12と釣り合う錘14が設けられているので、図1に示すように、送信ケーブル13を表示装置101の上側から架け渡して、該表示装置101の裏側に該錘14を位置させることで、画像情報検出部材11を、液晶表示部2の表示面2Aの特定高さに静止させることができる。
なお、本実施形態では、吊り下げ部材となる送信ケーブル13によって、液晶表示部2及び押圧部材12を吊り下げるようにしているが、これに限定されず、液晶表示部2及び押圧部材12をワイヤ等の吊り下げ部材で吊り下げ、送信ケーブル13とは別体としても良い。
そして、このような押圧部材12によって、送信ケーブル13による吊り下げ位置を支点Oとして、該押圧部材12の重量により発生する回転モーメントによって、液晶表示部2の表示面2Aに対して該受光センサ10を押し付ける矢印M方向の押付力を発生させる。これによって該受光センサ10が設けられた検出面10Aを、液晶表示部2の表示面2Aに密着する力を働かせて、該受光センサ10と、液晶表示部2の表示面2Aとの密着性を高めることができる。
しかし、このような構造に限定されず、図4に示すように、押圧部材12をスライド可能な二部材15・16により構成し、図5に示すように、これら二部材15・16をスライドさせることにより、その長さを可変(延伸)可能な構造とする。押圧部材12の長さを伸ばすと、押圧部材12の重量が同じであっても自身の重心の位置が変化し、液晶表示部2の表示面2Aに向けて、画像情報検出部材11を矢印M方向に回転させる、より大きな回転力を発生させることが可能となる。このため、図4及び図5に示すように、∠AOB>∠BOCとなって、液晶表示部2の表示面2Aに対する受光センサ10の押付力を強くすることができる。すなわち、押圧部材12の長さを変更可能とすることで、同じ重量の(長さが変更できない)押圧部材と比較して、より大きな押圧力を発生させることができるので、結果として、重心を同じ位置に保ちつつ該押圧部材12を軽量化することができる。
また、上記画像情報検出装置100では、画像情報検出部材11を、バランス手段となる錘14によって液晶表示部2の表示面2Aの特定高さに静止させるようにしているが、錘14を設けることは必須ではなく、例えば、吊り下げ部材である送信ケーブル13を表示装置101の台座部1に引っ掛けることで、画像情報検出部材11を特定高さに静止かつ保持しても良い。
Claims (6)
- 画像光を検出する画像情報検出装置であって、
画像光を検出する受光センサを有する検出面を備える画像情報検出部材と、
前記画像情報検出部材と一端で連結し、前記検出面と反対側となる他面側から突出するように設けられた押圧部材と、を具備することを特徴とする画像情報検出装置。 - 前記押圧部材の長さを変更可能とすることを特徴とする請求項1に記載の画像情報検出装置。
- 前記画像情報検出部材と前記押圧部材との連結部で、前記画像情報検出部材と前記押圧部材とを吊り下げる吊り下げ部材とを具備することを特徴とする請求項1または請求項2に記載の画像検出装置。
- 前記吊り下げ部材の途中には、前記画像情報検出部材及び前記押圧部材と釣り合う重量の錘がバランス手段として設けられていることを特徴とする請求項3に記載の画像情報検出装置。
- 前記吊り下げ部材の吊り下げ位置を、前記押圧部材上で、前記画像情報検出部材と近接離間するように位置調整可能に設けたことを特徴とする請求項3または請求項4のいずれか1項に記載の画像情報検出装置。
- 前記吊り下げ部材は、前記画像情報検出部材の受光センサで検出した画像情報を送信する送信ケーブルであることを特徴とする請求項3から請求項5のいずれか1項に記載の画像情報検出装置。
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PCT/JP2008/068741 WO2010044159A1 (ja) | 2008-10-16 | 2008-10-16 | 画像情報検出装置 |
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US20110181566A1 (en) | 2011-07-28 |
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