JPS4896120A - - Google Patents

Info

Publication number
JPS4896120A
JPS4896120A JP2994272A JP2994272A JPS4896120A JP S4896120 A JPS4896120 A JP S4896120A JP 2994272 A JP2994272 A JP 2994272A JP 2994272 A JP2994272 A JP 2994272A JP S4896120 A JPS4896120 A JP S4896120A
Authority
JP
Japan
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
JP2994272A
Other versions
JPS5118189B2 (ja
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 filed Critical
Priority to JP2994272A priority Critical patent/JPS5118189B2/ja
Priority to US3794850D priority patent/US3794850A/en
Publication of JPS4896120A publication Critical patent/JPS4896120A/ja
Publication of JPS5118189B2 publication Critical patent/JPS5118189B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/60—Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces
    • H01H1/605—Cleaning of contact-making surfaces by relatively high voltage pulses

Landscapes

  • Keying Circuit Devices (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Contacts (AREA)
JP2994272A 1972-03-24 1972-03-24 Expired JPS5118189B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2994272A JPS5118189B2 (ja) 1972-03-24 1972-03-24
US3794850D US3794850A (en) 1972-03-24 1973-03-22 Device for reconditioning switch contacts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2994272A JPS5118189B2 (ja) 1972-03-24 1972-03-24

Publications (2)

Publication Number Publication Date
JPS4896120A true JPS4896120A (ja) 1973-12-08
JPS5118189B2 JPS5118189B2 (ja) 1976-06-08

Family

ID=12290025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2994272A Expired JPS5118189B2 (ja) 1972-03-24 1972-03-24

Country Status (2)

Country Link
US (1) US3794850A (ja)
JP (1) JPS5118189B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640053U (ja) * 1992-10-30 1994-05-27 敏雄 熊谷 田の整地機

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338149A1 (de) * 1983-10-20 1985-05-02 Transformatoren Union Ag, 7000 Stuttgart Schaltungsanordnung fuer leistungsgrosstransformatoren
US4851707A (en) * 1987-07-16 1989-07-25 Lindsay Audiophyle Associates "Fritting" technique and apparatus for improving the sound of switches and connectors in audio circuits
US5258654A (en) * 1992-03-30 1993-11-02 Eaton Corporation Computer-checking of the position of a switch whose contacts where oxidized
AT15U1 (de) * 1993-03-11 1994-09-26 Elin Energieanwendung Belastungsbeschaltung
US5672919A (en) * 1995-03-24 1997-09-30 Abb Power T&D Company Inc. Low current binary input subsystem
US5729167A (en) * 1996-02-01 1998-03-17 Motorola, Inc. Low power consumption switch interface circuit
DE10331158B3 (de) * 2003-07-10 2005-08-25 Robert Bosch Gmbh Verfahren und elektronischer Schaltkreis eines elektrischen Kontaktes
JP3625472B1 (ja) * 2004-04-05 2005-03-02 富士通テン株式会社 接点腐食防止装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507905A (ja) * 1973-05-30 1975-01-27

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701965A (en) * 1946-12-31 1955-02-15 Sherman Alex Maintenance of conductivity in electrical distribution systems
US3029351A (en) * 1958-12-19 1962-04-10 Ibm Contact driver circuit
US3407310A (en) * 1965-10-07 1968-10-22 Teletype Corp Contact cleaning circuit
US3407311A (en) * 1965-12-13 1968-10-22 Teletype Corp Contact cleaning circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507905A (ja) * 1973-05-30 1975-01-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640053U (ja) * 1992-10-30 1994-05-27 敏雄 熊谷 田の整地機

Also Published As

Publication number Publication date
JPS5118189B2 (ja) 1976-06-08
US3794850A (en) 1974-02-26

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