JPS58154471U - level display device - Google Patents
level display deviceInfo
- Publication number
- JPS58154471U JPS58154471U JP5118282U JP5118282U JPS58154471U JP S58154471 U JPS58154471 U JP S58154471U JP 5118282 U JP5118282 U JP 5118282U JP 5118282 U JP5118282 U JP 5118282U JP S58154471 U JPS58154471 U JP S58154471U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emit light
- display device
- level
- emitting element
- 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
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図、第３図は従来のレベル表示装置を示す
回路図、第４図ａ、 ｂ、 ｃはそれらの表示素子
の配置を示す正面図、第５図は本考案の一実施例の回路
図、第６図ａ、 ｂ、 ｃはその表示素子の配置を
示す正面図、第７図は上記実施例の動作を説明するため
の図、第８図は本考案の他の実施例の発光素子の配置例
を示す断面図である。
６・・・・・・入力端子、３９，４０．４１・・・・・
・第１、第２、第３のスイッチング素子、４２・・・・
・・２色発光ダイオード、４２Ｇ・・・・・・緑色ＬＥ
Ｄ、４２Ｒ・・・・・・赤色ＬＥＤ、 ４３．４４・・
・・・・第４、第５のトランジスタ。Figures 1, 2, and 3 are circuit diagrams showing conventional level display devices, Figures 4a, b, and c are front views showing the arrangement of their display elements, and Figure 5 is a circuit diagram showing a conventional level display device. The circuit diagram of the embodiment, FIGS. 6a, b, and c are front views showing the arrangement of display elements, FIG. 7 is a diagram for explaining the operation of the above embodiment, and FIG. 8 is a diagram showing another example of the present invention. FIG. 3 is a cross-sectional view showing an example of the arrangement of light emitting elements of the example. 6... Input terminal, 39, 40.41...
-First, second, third switching elements, 42...
・・Two-color light emitting diode, 42G・・・Green LE
D, 42R... Red LED, 43.44...
...Fourth and fifth transistors.
Claims (1)
た第１、第２、第３の出力を発生するレベル検出回路と
、互に異なる色で発光する第１、第２の発光素子と、上
記レベル検出回路の第１の出力で上記第１の発光素子を
発光させ、上記第２の出力で上記第１、第２の発光素子
を共に発光させ、上記第３の出力で上記第２の発光素子
を発光させるように制御する制御回路とを備えたレベル
表示装置。 ゛（２）レベル検出回路を、入力信号レベルに応じて順
次オンする第１、第２、第３のスイッチング素子の直列
回路で構成し、制御回路を、第１、第２の発光素子と並
列１こ接続されかつその制御端子がそれぞれ上記第１、
第２のスイッチング素子の接続点及び上記第２、第３の
スイッチング素子の接続点に接続された第４、第５のス
イッチング素子と、上記第１、第２の発光素子のいずれ
か一方の電源側端子を上記第３のスイッチング素子の出
力端子に接続する手段とで構成したことを特徴とする実
用新案登録請求の範囲第１項記載のレベル表示装置。(1) A level detection circuit that detects an input signal level and generates first, second, and third outputs according to the input signal level, and first and second light emitting elements that emit light in different colors. , the first output of the level detection circuit causes the first light emitting element to emit light, the second output causes both the first and second light emitting elements to emit light, and the third output causes the second light emitting element to emit light. A level display device comprising: a control circuit that controls a light emitting element to emit light; (2) The level detection circuit is configured with a series circuit of first, second, and third switching elements that are turned on sequentially according to the input signal level, and the control circuit is configured in parallel with the first and second light emitting elements. The control terminals are connected to the first and second terminals, respectively.
Fourth and fifth switching elements connected to the connection point of the second switching element and the connection point of the second and third switching elements, and a power source for either the first or second light emitting element. 2. The level display device according to claim 1, further comprising means for connecting the side terminal to the output terminal of the third switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5118282U JPS58154471U (en) | 1982-04-07 | 1982-04-07 | level display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5118282U JPS58154471U (en) | 1982-04-07 | 1982-04-07 | level display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58154471U true JPS58154471U (en) | 1983-10-15 |
Family
ID=30061914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5118282U Pending JPS58154471U (en) | 1982-04-07 | 1982-04-07 | level display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58154471U (en) |
-
1982
- 1982-04-07 JP JP5118282U patent/JPS58154471U/en active Pending
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