KR840003460U - 통신용 보안장치 - Google Patents
통신용 보안장치Info
- Publication number
- KR840003460U KR840003460U KR2019820009648U KR820009648U KR840003460U KR 840003460 U KR840003460 U KR 840003460U KR 2019820009648 U KR2019820009648 U KR 2019820009648U KR 820009648 U KR820009648 U KR 820009648U KR 840003460 U KR840003460 U KR 840003460U
- Authority
- KR
- South Korea
- Prior art keywords
- security device
- communication security
- communication
- security
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/16—Series resistor structurally associated with spark gap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/08—Overvoltage arresters using spark gaps structurally associated with protected apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
- Fuses (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56-180126 | 1981-12-04 | ||
JP1981180126U JPS5887424U (ja) | 1981-12-04 | 1981-12-04 | 通信用保安装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840003460U true KR840003460U (ko) | 1984-07-25 |
KR860002715Y1 KR860002715Y1 (ko) | 1986-10-15 |
Family
ID=29976440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019820009648U KR860002715Y1 (ko) | 1981-12-04 | 1982-12-02 | 통신용 보안장치 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5887424U (ko) |
KR (1) | KR860002715Y1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0613587Y2 (ja) * | 1987-12-22 | 1994-04-06 | 株式会社村田製作所 | 通信線保安用正特性サーミスタ |
JP5463249B2 (ja) * | 2010-09-07 | 2014-04-09 | 帝国通信工業株式会社 | ヒューズ抵抗器及びその製造方法 |
-
1981
- 1981-12-04 JP JP1981180126U patent/JPS5887424U/ja active Granted
-
1982
- 1982-12-02 KR KR2019820009648U patent/KR860002715Y1/ko active
Also Published As
Publication number | Publication date |
---|---|
JPS5887424U (ja) | 1983-06-14 |
KR860002715Y1 (ko) | 1986-10-15 |
JPS6334435Y2 (ko) | 1988-09-13 |
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