JPS6337279U - - Google Patents
Info
- Publication number
- JPS6337279U JPS6337279U JP13176886U JP13176886U JPS6337279U JP S6337279 U JPS6337279 U JP S6337279U JP 13176886 U JP13176886 U JP 13176886U JP 13176886 U JP13176886 U JP 13176886U JP S6337279 U JPS6337279 U JP S6337279U
- Authority
- JP
- Japan
- Prior art keywords
- light
- fluorescent lamp
- reading unit
- roll
- receiving section
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Facsimiles In General (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第1図は本考案の一実施例の読取ユニツトの平
面図、第2図は第1図の正面透視図で読取面が1
aの場合、第3図は同じく読取面が1bの場合の
正面透視図、第4図は従来の一例の正面透視図で
ある。
1a,1b……読取面、2,2′……蛍光灯、
3,3′,3a……反射鏡、4……レンズ、5…
…受光素子、6……ボード面、7……反射鏡3a
の回転軸、8,8′……巻取り部。
FIG. 1 is a plan view of a reading unit according to an embodiment of the present invention, and FIG. 2 is a front perspective view of FIG.
In the case of a, FIG. 3 is a front perspective view when the reading surface is 1b, and FIG. 4 is a front perspective view of an example of the conventional device. 1a, 1b...Reading surface, 2, 2'...Fluorescent lamp,
3, 3', 3a... Reflector, 4... Lens, 5...
...Photodetector, 6...Board surface, 7...Reflector 3a
rotating shaft, 8, 8'... winding section.
Claims (1)
灯および反射鏡を有する投影部と、中央部にレン
ズおよび受光素子を有する受光部とからなる巻取
式電子黒板の読取りユニツトにおいて、前記投影
部を左右双方に設け、前記中央部の受光部の光軸
を前記蛍光灯に対し平行の方向に保持し、かつ左
または右からの読取り反射光を前記受光部へ導く
ための方向切替可能な反射鏡を設けたことを特徴
とする巻取式電子黒板の読取りユニツト。 A reading unit for a roll-up type electronic whiteboard includes left and right roll-up parts, a projection part on either the left or right side having a fluorescent lamp and a reflecting mirror, and a light-receiving part having a lens and a light-receiving element in the center. sections are provided on both the left and right sides, the optical axis of the light receiving section in the central section is held in a direction parallel to the fluorescent lamp, and the direction is switchable for guiding read reflected light from the left or right to the light receiving section. A retractable electronic blackboard reading unit characterized by being equipped with a reflective mirror.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13176886U JPS6337279U (en) | 1986-08-28 | 1986-08-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13176886U JPS6337279U (en) | 1986-08-28 | 1986-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6337279U true JPS6337279U (en) | 1988-03-10 |
Family
ID=31030525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13176886U Pending JPS6337279U (en) | 1986-08-28 | 1986-08-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6337279U (en) |
-
1986
- 1986-08-28 JP JP13176886U patent/JPS6337279U/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS59193066U (en) | Elevator security TV camera | |
JPS6337279U (en) | ||
JPS6111148U (en) | Reflector projector lighting system | |
JPS58100312U (en) | fiber optic lighting equipment | |
JPS612650U (en) | Reflective overhead projector | |
JPS61202805U (en) | ||
JPH01124604U (en) | ||
JPS5811734U (en) | Projector | |
JPS61171044U (en) | ||
JPS63189827U (en) | ||
JPS63128417U (en) | ||
JPS62105560U (en) | ||
JPS63165640U (en) | ||
JPS59141319U (en) | Light beam detection device | |
JPS6094607U (en) | optical star coupler | |
JPS593404U (en) | Vehicle lights | |
JPS6126216U (en) | Lighting device reflector | |
JPS61189U (en) | edgelight panel | |
JPH0336265U (en) | ||
JPS6369307U (en) | ||
JPS6347417U (en) | ||
JPH0193853U (en) | ||
JPS62184505U (en) | ||
JPS5852705U (en) | Fluorescent lamp reflector device | |
JPS6218907U (en) |