JPS57121360A - Two-wire interphone - Google Patents
Two-wire interphoneInfo
- Publication number
- JPS57121360A JPS57121360A JP665181A JP665181A JPS57121360A JP S57121360 A JPS57121360 A JP S57121360A JP 665181 A JP665181 A JP 665181A JP 665181 A JP665181 A JP 665181A JP S57121360 A JPS57121360 A JP S57121360A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- equipment
- diode
- terminal
- switched
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP665181A JPS57121360A (en) | 1981-01-20 | 1981-01-20 | Two-wire interphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP665181A JPS57121360A (en) | 1981-01-20 | 1981-01-20 | Two-wire interphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57121360A true JPS57121360A (en) | 1982-07-28 |
| JPS6147023B2 JPS6147023B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-10-17 |
Family
ID=11644277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP665181A Granted JPS57121360A (en) | 1981-01-20 | 1981-01-20 | Two-wire interphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57121360A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8720299B2 (en) | 2010-06-29 | 2014-05-13 | Kubota Corporation | Tiltable steering wheel apparatus for work vehicle |
-
1981
- 1981-01-20 JP JP665181A patent/JPS57121360A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8720299B2 (en) | 2010-06-29 | 2014-05-13 | Kubota Corporation | Tiltable steering wheel apparatus for work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6147023B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-10-17 |
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