JPS5699964U - - Google Patents
Info
- Publication number
- JPS5699964U JPS5699964U JP18330779U JP18330779U JPS5699964U JP S5699964 U JPS5699964 U JP S5699964U JP 18330779 U JP18330779 U JP 18330779U JP 18330779 U JP18330779 U JP 18330779U JP S5699964 U JPS5699964 U JP S5699964U
- Authority
- JP
- Japan
- 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
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979183307U JPS6225009Y2 (https=) | 1979-12-28 | 1979-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979183307U JPS6225009Y2 (https=) | 1979-12-28 | 1979-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5699964U true JPS5699964U (https=) | 1981-08-06 |
| JPS6225009Y2 JPS6225009Y2 (https=) | 1987-06-26 |
Family
ID=29693610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979183307U Expired JPS6225009Y2 (https=) | 1979-12-28 | 1979-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6225009Y2 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4895241B1 (ja) | 2011-01-14 | 2012-03-14 | Ｎｅｃインフロンティア株式会社 | インタフェース回路及び主装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403096A1 (de) * | 1974-01-23 | 1975-07-31 | Seckelmann & Co Kg | Hausrufanlage mit mehreren innensprechstellen und einer aussensprechstelle |
| JPS5113507A (https=) * | 1974-07-24 | 1976-02-03 | Matsushita Electric Industrial Co Ltd | |
| US3993880A (en) * | 1976-02-09 | 1976-11-23 | Bell Telephone Laboratories, Incorporated | Resistive battery feed for line circuits |
-
1979
- 1979-12-28 JP JP1979183307U patent/JPS6225009Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403096A1 (de) * | 1974-01-23 | 1975-07-31 | Seckelmann & Co Kg | Hausrufanlage mit mehreren innensprechstellen und einer aussensprechstelle |
| JPS5113507A (https=) * | 1974-07-24 | 1976-02-03 | Matsushita Electric Industrial Co Ltd | |
| US3993880A (en) * | 1976-02-09 | 1976-11-23 | Bell Telephone Laboratories, Incorporated | Resistive battery feed for line circuits |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6225009Y2 (https=) | 1987-06-26 |