JPS63200941U - - Google Patents
Info
- Publication number
- JPS63200941U JPS63200941U JP9290087U JP9290087U JPS63200941U JP S63200941 U JPS63200941 U JP S63200941U JP 9290087 U JP9290087 U JP 9290087U JP 9290087 U JP9290087 U JP 9290087U JP S63200941 U JPS63200941 U JP S63200941U
- Authority
- JP
- Japan
- Prior art keywords
- knob
- light emitting
- intercom
- movement
- emitting diodes
- 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 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Telephone Set Structure (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Description
第１図は住宅情報盤の表面図、第２図は要部の
回路図、第３図はスライド抵抗ツマミの位置と発
光ダイオードの点灯状態を示すブロツク図である
。
Ａ……住宅情報盤、Ｈ……インターホン、Ｒ…
…スライド抵抗、ｒ１，ｒ２，ｒ３……抵抗素子
、Ｍ……ツマミ、Ｐ１，Ｐ２，Ｐ３……発光ダイ
オード。
FIG. 1 is a front view of the housing information panel, FIG. 2 is a circuit diagram of the main part, and FIG. 3 is a block diagram showing the position of the slide resistor knob and the lighting state of the light emitting diode. A...Housing information board, H...Intercom, R...
...Slide resistance, r1 , r2 , r3 ...Resistance element, M...Knob, P1 , P2 , P3 ...Light emitting diode.
Claims (1)
の移動に連動して複数個の発光ダイオードがスラ
イド抵抗の抵抗値により逐次点灯し、ツマミの移
動が発光ダイオードの点灯で確認できるようにし
たことを特徴とするインターホンの音量調節表示
装置。 An intercom characterized in that a plurality of light emitting diodes are sequentially lit up in conjunction with the movement of a knob of a slide resistor connected to an intercom depending on the resistance value of the slide resistor, and the movement of the knob can be confirmed by the lighting of the light emitting diodes. Volume control display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9290087U JPS63200941U (en) | 1987-06-17 | 1987-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9290087U JPS63200941U (en) | 1987-06-17 | 1987-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200941U true JPS63200941U (en) | 1988-12-23 |
Family
ID=30955003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9290087U Pending JPS63200941U (en) | 1987-06-17 | 1987-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03215603A (en) * | 1990-01-22 | 1991-09-20 | Nippon Steel Corp | Manufacture of high density titanium alloy powder sintered product |
-
1987
- 1987-06-17 JP JP9290087U patent/JPS63200941U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03215603A (en) * | 1990-01-22 | 1991-09-20 | Nippon Steel Corp | Manufacture of high density titanium alloy powder sintered product |
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