JPS63172694U - - Google Patents
Info
- Publication number
- JPS63172694U JPS63172694U JP6573987U JP6573987U JPS63172694U JP S63172694 U JPS63172694 U JP S63172694U JP 6573987 U JP6573987 U JP 6573987U JP 6573987 U JP6573987 U JP 6573987U JP S63172694 U JPS63172694 U JP S63172694U
- Authority
- JP
- Japan
- Prior art keywords
- writing display
- light source
- display board
- transparent plate
- board
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
図面は本考案筆記表示板の実施例を示すもので
あり、第１図は本考案筆記表示板の一端部を切欠
いた斜視図、第２図は光源が点滅しない点灯装置
のブロツク図、第３図は光源が点滅しない点灯装
置の回路構成図、第４図は光源が一定周期で点滅
する点灯装置のブロツク図、第５図は光源が一定
周期で点滅する点灯装置の回路構成図である。
１……蛍光筆記表示板、２……冷陰極式蛍光管
、３……点灯装置、３′……点灯装置、４……透
明板、４１……筆記表示面、５……発振回路、６
……昇圧回路、７……点滅制御回路。
The drawings show an embodiment of the writing display board of the present invention, and Fig. 1 is a perspective view with one end of the writing display board of the invention cut away, Fig. 2 is a block diagram of a lighting device in which the light source does not blink, and Fig. 3 FIG. 4 is a block diagram of a lighting device in which the light source does not blink, FIG. 4 is a block diagram of a lighting device in which the light source blinks at regular intervals, and FIG. 5 is a circuit diagram of a lighting device in which the light source blinks at regular intervals. DESCRIPTION OF SYMBOLS 1... Fluorescent writing display board, 2... Cold cathode fluorescent tube, 3... Lighting device, 3'... Lighting device, 4... Transparent plate, 41... Writing display surface, 5... Oscillation circuit, 6
. . . Boost circuit, 7 . . . Flashing control circuit.
Claims (1)
の一端面部に設置された光源が透明板内部を照射
し、他端部は反射面を有してなる筆記表示板にお
いて、前記光源が冷陰極式蛍光管であることを特
徴とする蛍光筆記表示板。 In a writing display board having a writing display surface made of a transparent plate, a light source installed at one end surface of the transparent plate illuminates the inside of the transparent board, and the other end has a reflective surface, the light source is cooled. A fluorescent writing display board characterized by being a cathode type fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6573987U JPS63172694U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6573987U JPS63172694U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63172694U true JPS63172694U (en) | 1988-11-09 |
Family
ID=30903093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6573987U Pending JPS63172694U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63172694U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612914A (en) * | 1979-07-11 | 1981-02-07 | Tsukishima Kikai Co Ltd | Burning solid refuse |
| JPS6171597A (en) * | 1984-09-17 | 1986-04-12 | 株式会社日立製作所 | Panel light source device |
-
1987
- 1987-04-30 JP JP6573987U patent/JPS63172694U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612914A (en) * | 1979-07-11 | 1981-02-07 | Tsukishima Kikai Co Ltd | Burning solid refuse |
| JPS6171597A (en) * | 1984-09-17 | 1986-04-12 | 株式会社日立製作所 | Panel light source device |
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