JP2005175677A - 拡大読書器 - Google Patents
拡大読書器 Download PDFInfo
- Publication number
- JP2005175677A JP2005175677A JP2003410252A JP2003410252A JP2005175677A JP 2005175677 A JP2005175677 A JP 2005175677A JP 2003410252 A JP2003410252 A JP 2003410252A JP 2003410252 A JP2003410252 A JP 2003410252A JP 2005175677 A JP2005175677 A JP 2005175677A
- Authority
- JP
- Japan
- Prior art keywords
- video camera
- pointer
- illumination
- enlarged
- camera device
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims abstract description 48
- 238000012790 confirmation Methods 0.000 abstract description 2
- 208000010415 Low Vision Diseases 0.000 description 4
- 230000004303 low vision Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000004456 color vision Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/323—Copying cameras
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Accessories Of Cameras (AREA)
Abstract
【解決手段】拡大読書器1は、点灯する照明ランプ15a,15bに照明されたテーブル6上に載置された本や書籍や書類等の読み取り対象物を、ビデオカメラ装置12により撮影してモニターテレビ装置24に拡大表示する。点灯ボタン18によりLED照射ランプをオンすると、これに連動して照明ランプ15a,15bがオフされる。LED照射ランプは、テーブル6上のビデオカメラ12の撮影範囲の略中心若しくは所定領域を照射するから、これを基準として装着板5及びテーブル6を前後及び左右に移動させて、読み取り対象物の読み取り部位がビデオカメラ12の撮影範囲に入るようにする。また、手暗がりにならないように、右利き又は左利きの人に応じて左右に配置した照明ランプ15a,15bの何れか一方をオフすることもできる。
【選択図】図1
Description
2...拡大読書器本体
3...テーブル装置
6...テーブル
7...支持アーム
10...水平支持部
11...カメラ筐体
12...ビデオカメラ装置
14...制御回路
15a,15b...照明ランプ
16...LED照射ランプ(ポインタ)
24...モニターテレビ装置
25...切替回路
A...照射領域
Claims (5)
- 基台に配置した読み取り対象物を載せるテーブルと、該テーブルの上方に配置したビデオカメラ装置と、前記テーブル上の読み取り対象物を照明する照明ランプと、前記ビデオカメラ装置の撮影位置を照射するポインタとからなる拡大読書器本体と、前記ビデオカメラ装置から送出される撮影画像を表示するモニターテレビ装置とから構成し、
前記ポインタによる撮影位置の照射に連動して、前記照明ランプの照明照度を前記ポインタの照射照度よりも減少させるようにしたことを特徴とする拡大読書器。 - 前記ポインタは、ビデオカメラ装置の撮影対象範囲内の所定領域を照射するようにしたことを特徴とする請求項1に記載の拡大読書器。
- 前記テーブルは、前後及び左右に移動可能としたことを特徴とする請求項1又は請求項2に記載の拡大読書器。
- 前記照明ランプは、略左側上方からと略右側上方からテーブル上の読み取り対象物を照明するようにして、何れか一方のみを点灯できるようにしたことを特徴とする請求項1乃至請求項3に記載の拡大読書器。
- 前記ビデオカメラ装置と照明ランプ及びポインタとを筐体内に組み込むとともに、基台に設けた支持アームにより前記テーブルの上方に配置し、該筐体の上面に前記モニターテレビ装置を載置できるようにしたことを特徴とする請求項1乃至請求項4に記載の拡大読書器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003410252A JP4230345B2 (ja) | 2003-12-09 | 2003-12-09 | 拡大読書器 |
US10/852,810 US7701481B2 (en) | 2003-12-09 | 2004-05-25 | Video magnifer with irradiating pointer |
DE102004028510A DE102004028510B4 (de) | 2003-12-09 | 2004-06-11 | Videovergrößerungsgerät mit Punktstrahlern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003410252A JP4230345B2 (ja) | 2003-12-09 | 2003-12-09 | 拡大読書器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005175677A true JP2005175677A (ja) | 2005-06-30 |
JP4230345B2 JP4230345B2 (ja) | 2009-02-25 |
Family
ID=34631824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003410252A Expired - Fee Related JP4230345B2 (ja) | 2003-12-09 | 2003-12-09 | 拡大読書器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7701481B2 (ja) |
JP (1) | JP4230345B2 (ja) |
DE (1) | DE102004028510B4 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220025318A (ko) * | 2020-08-24 | 2022-03-03 | 정창준 | 보조책상 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7825949B2 (en) * | 2005-03-09 | 2010-11-02 | Trulaske James A | Closed circuit video magnification system |
US7172305B2 (en) * | 2005-05-26 | 2007-02-06 | Freedom Scientific, Inc. | Magnifier having slideably mounted camera |
US7172304B2 (en) * | 2005-05-26 | 2007-02-06 | Freedom Scientific, Inc. | Illuminator having forward lighting |
US8854442B2 (en) * | 2006-02-10 | 2014-10-07 | Freedom Scientific, Inc. | Retainer for electronic magnification device |
US8854441B2 (en) | 2006-02-10 | 2014-10-07 | Freedom Scientific, Inc. | Electronic magnification device |
US7929013B2 (en) | 2006-02-10 | 2011-04-19 | Freedom Scientific, Inc. | Desktop electronic magnifier |
US7647881B2 (en) * | 2007-05-09 | 2010-01-19 | Visteon Global Technologies | Dimensional enhancement lens |
US20090091649A1 (en) * | 2007-10-05 | 2009-04-09 | Anderson Leroy E | Electronic document viewer |
US20150062372A1 (en) * | 2013-09-03 | 2015-03-05 | Optelec Development B.V. | Vision enhancing device |
USD756442S1 (en) * | 2014-04-18 | 2016-05-17 | Technologies Humanware Inc. | Electronic magnifier for low vision users |
JP6707522B2 (ja) | 2014-08-19 | 2020-06-10 | フリーダム サイエンティフィック インコーポレイテッド | ポータブル机上用ビデオ拡大機 |
DE102015209026A1 (de) * | 2015-05-18 | 2016-11-24 | Baum Retec Ag | Bildschirmlesegerät |
DE102016201803A1 (de) * | 2016-02-05 | 2017-08-10 | Baum Retec Ag | Bildschirmlesegerät |
EP3420397A4 (en) | 2016-02-26 | 2019-12-04 | Freedom Scientific, Inc. | MAGNIFICATION DEVICE WITH ADJUSTABLE CAMERA |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816646A (en) * | 1972-08-24 | 1974-06-11 | Opaque Syst Ltd | Television enlarging and display apparatus for graphic copy |
US3819855A (en) * | 1972-12-26 | 1974-06-25 | Expert Precision Electronic Re | Video camera and receiver system for producing enlarged images of work |
US4928170A (en) * | 1988-06-21 | 1990-05-22 | Visualtek, Inc. | Automatic focus control for an image magnification system |
US5052797A (en) * | 1990-02-20 | 1991-10-01 | Madsen Erik H | Copy viewer |
US5212567A (en) * | 1990-10-10 | 1993-05-18 | Neitz Instruments Co., Ltd. | Magnifying display apparatus |
JP3102076B2 (ja) * | 1991-08-09 | 2000-10-23 | キヤノン株式会社 | 照明装置及びそれを用いた投影露光装置 |
CA2088875A1 (en) | 1992-03-25 | 1993-09-26 | Hiroshi Yamauchi | Portable magnifying reading apparatus with high convenience |
JP3625128B2 (ja) * | 1997-10-15 | 2005-03-02 | 株式会社エルモ社 | 撮像装置 |
JP3560848B2 (ja) | 1999-05-18 | 2004-09-02 | 株式会社エルモ社 | 拡大読書器 |
US6791600B1 (en) * | 1999-08-11 | 2004-09-14 | Telesensory Corporation | Video system with dual mode imaging |
US6778714B1 (en) * | 2000-03-10 | 2004-08-17 | Imagexpert, Inc. | Portable image analysis system |
US6778180B2 (en) * | 2001-09-28 | 2004-08-17 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Video image tracking engine |
NZ518092A (en) | 2002-03-28 | 2004-11-26 | Pulse Data Internat Ltd | Low vision video magnifier viewing apparatus having digital zoom feature |
-
2003
- 2003-12-09 JP JP2003410252A patent/JP4230345B2/ja not_active Expired - Fee Related
-
2004
- 2004-05-25 US US10/852,810 patent/US7701481B2/en not_active Expired - Fee Related
- 2004-06-11 DE DE102004028510A patent/DE102004028510B4/de not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220025318A (ko) * | 2020-08-24 | 2022-03-03 | 정창준 | 보조책상 |
KR102424521B1 (ko) * | 2020-08-24 | 2022-07-25 | 정창준 | 보조책상 |
Also Published As
Publication number | Publication date |
---|---|
DE102004028510A1 (de) | 2005-07-07 |
US20050122396A1 (en) | 2005-06-09 |
JP4230345B2 (ja) | 2009-02-25 |
DE102004028510B4 (de) | 2009-05-07 |
US7701481B2 (en) | 2010-04-20 |
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