JPS6253981B2 - - Google Patents
Info
- Publication number
- JPS6253981B2 JPS6253981B2 JP15461482A JP15461482A JPS6253981B2 JP S6253981 B2 JPS6253981 B2 JP S6253981B2 JP 15461482 A JP15461482 A JP 15461482A JP 15461482 A JP15461482 A JP 15461482A JP S6253981 B2 JPS6253981 B2 JP S6253981B2
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- circuit
- switch
- switch element
- surge
- 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
- 238000009877 rendering Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Protection Of Static Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15461482A JPS5944159A (ja) | 1982-09-07 | 1982-09-07 | 電話機のサ−ジ防護回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15461482A JPS5944159A (ja) | 1982-09-07 | 1982-09-07 | 電話機のサ−ジ防護回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5944159A JPS5944159A (ja) | 1984-03-12 |
JPS6253981B2 true JPS6253981B2 (US06566495-20030520-M00011.png) | 1987-11-12 |
Family
ID=15588031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15461482A Granted JPS5944159A (ja) | 1982-09-07 | 1982-09-07 | 電話機のサ−ジ防護回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5944159A (US06566495-20030520-M00011.png) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6411592U (US06566495-20030520-M00011.png) * | 1987-07-08 | 1989-01-20 | ||
JPS6426140U (US06566495-20030520-M00011.png) * | 1987-08-07 | 1989-02-14 | ||
JPH0311637U (US06566495-20030520-M00011.png) * | 1989-06-20 | 1991-02-05 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61154793A (ja) * | 1984-12-27 | 1986-07-14 | Kobe Steel Ltd | Tig溶接用溶加材 |
JPH0795773B2 (ja) * | 1985-07-18 | 1995-10-11 | アルカテル・エヌ・ブイ | 電話機ラインスイッチ |
JPH02192894A (ja) * | 1989-01-20 | 1990-07-30 | Nippon Steel Corp | 耐火鋼用ガスシールドアーク溶接用フラックス入りワイヤ |
JPH03291192A (ja) * | 1990-04-04 | 1991-12-20 | Nippon Steel Corp | ガスシールドアーク溶接用フラックス入りワイヤ |
US5365036A (en) * | 1992-06-22 | 1994-11-15 | The Lincoln Electric Company | Flux cored gas shielded electrode |
US5233160A (en) * | 1992-06-22 | 1993-08-03 | The Lincoln Electric Company | Cored electrode with fume reduction |
JP3747237B2 (ja) | 2000-05-01 | 2006-02-22 | 株式会社神戸製鋼所 | 耐熱鋼用ガスシールドアーク溶接用フラックス入りワイヤ |
-
1982
- 1982-09-07 JP JP15461482A patent/JPS5944159A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6411592U (US06566495-20030520-M00011.png) * | 1987-07-08 | 1989-01-20 | ||
JPS6426140U (US06566495-20030520-M00011.png) * | 1987-08-07 | 1989-02-14 | ||
JPH0311637U (US06566495-20030520-M00011.png) * | 1989-06-20 | 1991-02-05 |
Also Published As
Publication number | Publication date |
---|---|
JPS5944159A (ja) | 1984-03-12 |
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