JPS5778324A - Fault current breaking method in telephone subscriber's safety device - Google Patents

Fault current breaking method in telephone subscriber's safety device

Info

Publication number
JPS5778324A
JPS5778324A JP15307480A JP15307480A JPS5778324A JP S5778324 A JPS5778324 A JP S5778324A JP 15307480 A JP15307480 A JP 15307480A JP 15307480 A JP15307480 A JP 15307480A JP S5778324 A JPS5778324 A JP S5778324A
Authority
JP
Japan
Prior art keywords
safety device
fault current
telephone subscriber
breaking method
current breaking
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.)
Granted
Application number
JP15307480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6258222B2 (enrdf_load_stackoverflow
Inventor
Chiyuki Nakamura
Tsunehisa Toukawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Hakusan Seisakusho Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Hakusan Seisakusho Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, Hakusan Seisakusho Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP15307480A priority Critical patent/JPS5778324A/ja
Publication of JPS5778324A publication Critical patent/JPS5778324A/ja
Publication of JPS6258222B2 publication Critical patent/JPS6258222B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Structure Of Telephone Exchanges (AREA)
JP15307480A 1980-10-31 1980-10-31 Fault current breaking method in telephone subscriber's safety device Granted JPS5778324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15307480A JPS5778324A (en) 1980-10-31 1980-10-31 Fault current breaking method in telephone subscriber's safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15307480A JPS5778324A (en) 1980-10-31 1980-10-31 Fault current breaking method in telephone subscriber's safety device

Publications (2)

Publication Number Publication Date
JPS5778324A true JPS5778324A (en) 1982-05-17
JPS6258222B2 JPS6258222B2 (enrdf_load_stackoverflow) 1987-12-04

Family

ID=15554401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15307480A Granted JPS5778324A (en) 1980-10-31 1980-10-31 Fault current breaking method in telephone subscriber's safety device

Country Status (1)

Country Link
JP (1) JPS5778324A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272221U (enrdf_load_stackoverflow) * 1985-10-25 1987-05-08
US7071913B2 (en) 1995-07-20 2006-07-04 E Ink Corporation Retroreflective electrophoretic displays and materials for making the same
US7167155B1 (en) 1995-07-20 2007-01-23 E Ink Corporation Color electrophoretic displays
US7109968B2 (en) 1995-07-20 2006-09-19 E Ink Corporation Non-spherical cavity electrophoretic displays and methods and materials for making the same
US6839158B2 (en) 1997-08-28 2005-01-04 E Ink Corporation Encapsulated electrophoretic displays having a monolayer of capsules and materials and methods for making the same
US7075502B1 (en) 1998-04-10 2006-07-11 E Ink Corporation Full color reflective display with multichromatic sub-pixels
US7256766B2 (en) 1998-08-27 2007-08-14 E Ink Corporation Electrophoretic display comprising optical biasing element
US6842657B1 (en) 1999-04-09 2005-01-11 E Ink Corporation Reactive formation of dielectric layers and protection of organic layers in organic semiconductor device fabrication
US7038655B2 (en) 1999-05-03 2006-05-02 E Ink Corporation Electrophoretic ink composed of particles with field dependent mobilities
US7030412B1 (en) 1999-05-05 2006-04-18 E Ink Corporation Minimally-patterned semiconductor devices for display applications
US6967640B2 (en) 2001-07-27 2005-11-22 E Ink Corporation Microencapsulated electrophoretic display with integrated driver
US6865010B2 (en) 2001-12-13 2005-03-08 E Ink Corporation Electrophoretic electronic displays with low-index films
US6900851B2 (en) 2002-02-08 2005-05-31 E Ink Corporation Electro-optic displays and optical systems for addressing such displays

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52122406A (en) * 1976-04-08 1977-10-14 Shiroyama Seisakusho Kk Protector circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52122406A (en) * 1976-04-08 1977-10-14 Shiroyama Seisakusho Kk Protector circuit

Also Published As

Publication number Publication date
JPS6258222B2 (enrdf_load_stackoverflow) 1987-12-04

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