KR870004422U - 통신용 피뢰기 - Google Patents
통신용 피뢰기Info
- Publication number
- KR870004422U KR870004422U KR2019850009923U KR850009923U KR870004422U KR 870004422 U KR870004422 U KR 870004422U KR 2019850009923 U KR2019850009923 U KR 2019850009923U KR 850009923 U KR850009923 U KR 850009923U KR 870004422 U KR870004422 U KR 870004422U
- Authority
- KR
- South Korea
- Prior art keywords
- lightning arrester
- communication lightning
- communication
- arrester
- lightning
- 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
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
-
- 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
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850009923U KR890002097Y1 (ko) | 1985-08-01 | 1985-08-01 | 통신용 피뢰기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850009923U KR890002097Y1 (ko) | 1985-08-01 | 1985-08-01 | 통신용 피뢰기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870004422U true KR870004422U (ko) | 1987-07-31 |
KR890002097Y1 KR890002097Y1 (ko) | 1989-04-12 |
Family
ID=19244467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019850009923U KR890002097Y1 (ko) | 1985-08-01 | 1985-08-01 | 통신용 피뢰기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890002097Y1 (ko) |
-
1985
- 1985-08-01 KR KR2019850009923U patent/KR890002097Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR890002097Y1 (ko) | 1989-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19960412 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |