JPS6221097Y2 - - Google Patents
Info
- Publication number
- JPS6221097Y2 JPS6221097Y2 JP11641581U JP11641581U JPS6221097Y2 JP S6221097 Y2 JPS6221097 Y2 JP S6221097Y2 JP 11641581 U JP11641581 U JP 11641581U JP 11641581 U JP11641581 U JP 11641581U JP S6221097 Y2 JPS6221097 Y2 JP S6221097Y2
- Authority
- JP
- Japan
- Prior art keywords
- intercom
- light emitting
- color light
- external
- unit
- 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.)
- Expired
Links
- 239000003086 colorant Substances 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11641581U JPS5823451U (ja) | 1981-08-05 | 1981-08-05 | 警報表示灯付インタ−ホン装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11641581U JPS5823451U (ja) | 1981-08-05 | 1981-08-05 | 警報表示灯付インタ−ホン装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5823451U JPS5823451U (ja) | 1983-02-14 |
| JPS6221097Y2 true JPS6221097Y2 (en]) | 1987-05-28 |
Family
ID=29910637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11641581U Granted JPS5823451U (ja) | 1981-08-05 | 1981-08-05 | 警報表示灯付インタ−ホン装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5823451U (en]) |
-
1981
- 1981-08-05 JP JP11641581U patent/JPS5823451U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5823451U (ja) | 1983-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6221097Y2 (en]) | ||
| JPH0370951B2 (en]) | ||
| US3867577A (en) | Automatic system for dialing a central taxicab dispatching station | |
| JP2575426B2 (ja) | 電話システム | |
| JPS6020957B2 (ja) | ボタン電話装置を利用した警報回路 | |
| JPS63236427A (ja) | コ−ドレス電話機 | |
| JPH0354452Y2 (en]) | ||
| JP2803781B2 (ja) | 電話システム | |
| JPH029496B2 (en]) | ||
| JP2607262B2 (ja) | 電話交換システムの増設ユニット | |
| JP2610415B2 (ja) | フック検出回路 | |
| JP2804495B2 (ja) | 電話システム | |
| JP2579783B2 (ja) | インターホン装置 | |
| JP2002290590A (ja) | カメラ付きドアホン子器 | |
| JP2530254Y2 (ja) | 電話機の表示回路 | |
| JP3001786B2 (ja) | 電話回線インタフェース回路 | |
| JPH0422384B2 (en]) | ||
| JPH036063Y2 (en]) | ||
| JPS59186496A (ja) | 停電時用着信表示回路 | |
| JPS6157162A (ja) | 増設スピ−カ付インタ−ホン装置 | |
| JPH07107145A (ja) | 電話機 | |
| JPH0229252B2 (en]) | ||
| JPH01265642A (ja) | 電話交換システムの増設ユニット | |
| JPS6331354A (ja) | セキユリテイ−装置 | |
| JPH01245787A (ja) | 家庭用電話交換システム |