JPS61135378U - - Google Patents
Info
- Publication number
- JPS61135378U JPS61135378U JP1951085U JP1951085U JPS61135378U JP S61135378 U JPS61135378 U JP S61135378U JP 1951085 U JP1951085 U JP 1951085U JP 1951085 U JP1951085 U JP 1951085U JP S61135378 U JPS61135378 U JP S61135378U
- Authority
- JP
- Japan
- Prior art keywords
- display element
- circuit
- optical sensor
- lighting
- reference voltage
- 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 description 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案の一実施例による表示素子の点
灯回路のブロツク図、第２図は同電気回路図、第
３図は同主な点の電圧変化を示した説明図である
。
４……比較回路、５……制御回路、６……表示
素子、７……基準電圧設定回路、８……光センサ
出力回路、Ｐ……光センサ。
FIG. 1 is a block diagram of a lighting circuit for a display element according to an embodiment of the present invention, FIG. 2 is an electric circuit diagram thereof, and FIG. 3 is an explanatory diagram showing voltage changes at the main points. 4... Comparison circuit, 5... Control circuit, 6... Display element, 7... Reference voltage setting circuit, 8... Optical sensor output circuit, P... Optical sensor.
Claims (1)
出力を比較回路４で比較し、それを表示素子６の
制御回路５に入力し、光センサＰの検出する光量
がある規定値以下に減少した場合に表示素子６の
点灯動作を自動的に停止させることを特徴とする
表示素子の点灯回路。 The comparison circuit 4 compares the outputs of the optical sensor output circuit 8 and the reference voltage setting circuit 7, and inputs it to the control circuit 5 of the display element 6 to determine whether the amount of light detected by the optical sensor P has decreased below a certain specified value. A lighting circuit for a display element, characterized in that the lighting operation of the display element 6 is automatically stopped when the display element 6 is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1951085U JPS61135378U (en) | 1985-02-14 | 1985-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1951085U JPS61135378U (en) | 1985-02-14 | 1985-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61135378U true JPS61135378U (en) | 1986-08-23 |
Family
ID=30509156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1951085U Pending JPS61135378U (en) | 1985-02-14 | 1985-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61135378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361654U (en) * | 1986-10-03 | 1988-04-23 |
-
1985
- 1985-02-14 JP JP1951085U patent/JPS61135378U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361654U (en) * | 1986-10-03 | 1988-04-23 |