WO1999039419A1 - Lightning protection device for wired equipment - Google Patents
Lightning protection device for wired equipment Download PDFInfo
- Publication number
- WO1999039419A1 WO1999039419A1 PCT/IL1999/000054 IL9900054W WO9939419A1 WO 1999039419 A1 WO1999039419 A1 WO 1999039419A1 IL 9900054 W IL9900054 W IL 9900054W WO 9939419 A1 WO9939419 A1 WO 9939419A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- equipment
- line
- unit
- energy
- 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
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- 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
- H04M1/745—Protection devices or circuits for voltages surges on the line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
- Telephonic Communication Services (AREA)
- Protection Of Static Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU21831/99A AU2183199A (en) | 1998-01-28 | 1999-01-28 | Lightning protection device for wired equipment |
EP99901872A EP1058956A1 (en) | 1998-01-28 | 1999-01-28 | Lightning protection device for wired equipment |
CA002318876A CA2318876A1 (en) | 1998-01-28 | 1999-01-28 | Lightning protection device for wired equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL12308798A IL123087A0 (en) | 1998-01-28 | 1998-01-28 | Lightning protection device for wired equipment |
IL123087 | 1998-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999039419A1 true WO1999039419A1 (en) | 1999-08-05 |
Family
ID=11071146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IL1999/000054 WO1999039419A1 (en) | 1998-01-28 | 1999-01-28 | Lightning protection device for wired equipment |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1058956A1 (en) |
AU (1) | AU2183199A (en) |
CA (1) | CA2318876A1 (en) |
IL (1) | IL123087A0 (en) |
WO (1) | WO1999039419A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1204300A1 (en) * | 2000-11-02 | 2002-05-08 | Hitachi, Ltd. | Lighting apparatus, lighting control system and home electric appliance |
WO2002050973A1 (en) * | 2000-12-20 | 2002-06-27 | Power Innovations Limited | Modem protection circuit |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5142430A (en) * | 1990-03-28 | 1992-08-25 | Anthony Anthony A | Power line filter and surge protection circuit components and circuits |
US5222119A (en) * | 1990-10-20 | 1993-06-22 | Fujitsu Limited | Communication system and a method, to detect a power exposure of a communication line |
US5315651A (en) * | 1993-06-09 | 1994-05-24 | Rockwell International Corporation | Active surge rejection circuit |
US5369666A (en) * | 1992-06-09 | 1994-11-29 | Rockwell International Corporation | Modem with digital isolation |
US5390231A (en) * | 1993-04-01 | 1995-02-14 | Northern Telecom Limited | Protection and recovery of telephone line interface circuits |
-
1998
- 1998-01-28 IL IL12308798A patent/IL123087A0/en unknown
-
1999
- 1999-01-28 AU AU21831/99A patent/AU2183199A/en not_active Abandoned
- 1999-01-28 CA CA002318876A patent/CA2318876A1/en not_active Abandoned
- 1999-01-28 EP EP99901872A patent/EP1058956A1/en not_active Withdrawn
- 1999-01-28 WO PCT/IL1999/000054 patent/WO1999039419A1/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5142430A (en) * | 1990-03-28 | 1992-08-25 | Anthony Anthony A | Power line filter and surge protection circuit components and circuits |
US5222119A (en) * | 1990-10-20 | 1993-06-22 | Fujitsu Limited | Communication system and a method, to detect a power exposure of a communication line |
US5369666A (en) * | 1992-06-09 | 1994-11-29 | Rockwell International Corporation | Modem with digital isolation |
US5390231A (en) * | 1993-04-01 | 1995-02-14 | Northern Telecom Limited | Protection and recovery of telephone line interface circuits |
US5315651A (en) * | 1993-06-09 | 1994-05-24 | Rockwell International Corporation | Active surge rejection circuit |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1204300A1 (en) * | 2000-11-02 | 2002-05-08 | Hitachi, Ltd. | Lighting apparatus, lighting control system and home electric appliance |
US6713975B2 (en) | 2000-11-02 | 2004-03-30 | Hitachi, Ltd. | Lighting apparatus, lighting control system and home electric appliance |
WO2002050973A1 (en) * | 2000-12-20 | 2002-06-27 | Power Innovations Limited | Modem protection circuit |
Also Published As
Publication number | Publication date |
---|---|
CA2318876A1 (en) | 1999-08-05 |
AU2183199A (en) | 1999-08-16 |
EP1058956A1 (en) | 2000-12-13 |
IL123087A0 (en) | 1998-09-24 |
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