JPS58195286U - level display device - Google Patents
level display deviceInfo
- Publication number
- JPS58195286U JPS58195286U JP9245982U JP9245982U JPS58195286U JP S58195286 U JPS58195286 U JP S58195286U JP 9245982 U JP9245982 U JP 9245982U JP 9245982 U JP9245982 U JP 9245982U JP S58195286 U JPS58195286 U JP S58195286U
- Authority
- JP
- Japan
- Prior art keywords
- level
- light emitting
- emitting element
- input signal
- change
- 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
Landscapes
- Details Of Measuring And Other Instruments (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Illuminated Signs And Luminous Advertising (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ａは電力増幅器の出力レベルを表示する従来のレ
ベル表示装置の回路図、第１図すはこの従来のレベル表
示装置の表示器の構成を示した断面図、第１図Ｃはこの
従来のレベル表示装置の操作パネルにおける配列図、第
２図ａはテープレコーダの録音レベルを表示する従来の
レベル表示装置の回路図、第２図すはこの従来のレベル
表示装置の操作パネルにおける配列図、第３図ａはＦＭ
−ＡＭ受信機の受信強度を表示する従来のレベル表示装
置の回路図、第３図すはこの従来のレベル表示装置の操
作パネルにおける配列図、第４図ａは本考案の一実施例
の回路図、第４図すは来者・ 案の一実施例の表示器の
構成を示した断面図、第４図Ｃは本考案の一実施例の操
作パネルにおける配列図、第５図は本考案の一実施例に
おける入力信号のレベルとトランジスタの導通レベルと
の関係図である。Figure 1a is a circuit diagram of a conventional level display device that displays the output level of a power amplifier; Figure 2a is a circuit diagram of a conventional level display device that displays the recording level of a tape recorder; Figure 2 is an arrangement diagram of a conventional level display device on an operation panel. Figure 3a is FM
- A circuit diagram of a conventional level display device for displaying the reception strength of an AM receiver, FIG. 3 is an arrangement diagram of the operation panel of this conventional level display device, and FIG. 4 a is a circuit diagram of an embodiment of the present invention. Figure 4 is a sectional view showing the configuration of a display device of an embodiment of the present invention, Figure 4C is an arrangement diagram of an operation panel of an embodiment of the present invention, and Figure 5 is a cross-sectional view showing the configuration of a display device of an embodiment of the present invention. FIG. 2 is a diagram showing the relationship between the level of an input signal and the conduction level of a transistor in one embodiment.
Claims (2)
させて、入力信号のレベルの変化を点灯した前記発光素
子によって照明された前記表示板の数の変化で表示する
レベル表示装置において、互いに発光色が異なる複数の
発光素子が組み合わされた発光素子群をそれぞれ内装し
た前記複数の表示板と、前記入力信号のレベルの変化に
応じて前記複数の発光素子群に順次通電するレベル検出
回路と、前記入力信号のレベルの領域の変化に応じて前
記複数の発光素子群の内の同一発光色の前記複数の発光
素子毎！こそれぞれ通電するレベル領域検出回路とが具
備され、前記入力信号のレベルの変化が点灯した前記発
光素子によって照明された前記表示板の数の変化によっ
て表示されると共に、前記入力信号のレベルの領域の変
化が点灯した前記発光素子によって照明された前記表示
板の色の変化とで表示されることを特徴とするレベル表
示装置。(1) In a level display device that sequentially blinks light-emitting elements installed in a plurality of display boards to indicate a change in the level of an input signal by a change in the number of display boards illuminated by the light-emitting light-emitting elements, the plurality of display boards each containing a light emitting element group in which a plurality of light emitting elements of different emission colors are combined; and a level detection circuit that sequentially energizes the plurality of light emitting element groups in accordance with changes in the level of the input signal. , for each of the plurality of light emitting elements of the plurality of light emitting element groups that emit light of the same color according to the change in the level region of the input signal! A level area detection circuit is provided in which each of the level area detection circuits is energized, and a change in the level of the input signal is indicated by a change in the number of the display boards illuminated by the lit light emitting elements, and a level area detection circuit is provided in which each of the level area detection circuits is energized. A level display device characterized in that a change in color is displayed by a change in color of the display board illuminated by the light emitting element.
回路は、一方の端子がそれぞれ前記複数の発光素子群の
前記第１及び第２の発光素子に並列に接続され、他方の
端子が接地された、前記入力信号のレベルの変化に応じ
て順次導通ずる複数のスイッチング素子で構成され、更
に、前記レベル領域検出回路は、一方の端子が前記複数
の発光素子群の前記第１の発光素子に並列に接続され、
他方の端子が電源に接続された、前記入力信号のレベル
が低及び中領域にあるときに導通するスイッチング素子
と、一方の端子が前記複数の発光素子群の前記第２の発
光素子に並列に接続され、他方の端子が前記電源に接続
された、前記入力信号のレベルが中及び高領域にあると
き゛に導通ずるスイッチング素子とで構成されているこ
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。(2) The light emitting element group has different emission colors from each other. The level detection circuit includes one terminal connected in parallel to the first and second light emitting elements of the plurality of light emitting element groups, and the other terminal connected in parallel to the first and second light emitting elements of the plurality of light emitting element groups. The level area detection circuit includes a plurality of switching elements that are grounded and sequentially conductive in accordance with changes in the level of the input signal, and further, the level area detection circuit has one terminal connected to the first light emitting element of the plurality of light emitting element groups. connected in parallel to the element,
a switching element, the other terminal of which is connected to a power supply, that becomes conductive when the level of the input signal is in a low or medium range, and one terminal of which is connected in parallel to the second light emitting element of the plurality of light emitting element groups; and a switching element which is electrically connected when the level of the input signal is in a medium or high range, the other terminal of which is connected to the power supply, and which is turned on when the level of the input signal is in a medium or high range. The level display device described in (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9245982U JPS58195286U (en) | 1982-06-22 | 1982-06-22 | level display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9245982U JPS58195286U (en) | 1982-06-22 | 1982-06-22 | level display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58195286U true JPS58195286U (en) | 1983-12-26 |
| JPH0123193Y2 JPH0123193Y2 (en) | 1989-07-17 |
Family
ID=30222689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9245982U Granted JPS58195286U (en) | 1982-06-22 | 1982-06-22 | level display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58195286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60128395U (en) * | 1984-02-08 | 1985-08-28 | シャープ株式会社 | display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55108476U (en) * | 1979-01-24 | 1980-07-29 | ||
| JPS5794616U (en) * | 1980-12-03 | 1982-06-10 |
-
1982
- 1982-06-22 JP JP9245982U patent/JPS58195286U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55108476U (en) * | 1979-01-24 | 1980-07-29 | ||
| JPS5794616U (en) * | 1980-12-03 | 1982-06-10 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60128395U (en) * | 1984-02-08 | 1985-08-28 | シャープ株式会社 | display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0123193Y2 (en) | 1989-07-17 |
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