JPS5118189B2 - - Google Patents

Info

Publication number
JPS5118189B2
JPS5118189B2 JP47029942A JP2994272A JPS5118189B2 JP S5118189 B2 JPS5118189 B2 JP S5118189B2 JP 47029942 A JP47029942 A JP 47029942A JP 2994272 A JP2994272 A JP 2994272A JP S5118189 B2 JPS5118189 B2 JP S5118189B2
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.)
Expired
Application number
JP47029942A
Other languages
Japanese (ja)
Other versions
JPS4896120A (enrdf_load_html_response
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 JP47029942A 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)
JP47029942A 1972-03-24 1972-03-24 Expired JPS5118189B2 (enrdf_load_html_response)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP47029942A JPS5118189B2 (enrdf_load_html_response) 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
JP47029942A JPS5118189B2 (enrdf_load_html_response) 1972-03-24 1972-03-24

Publications (2)

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

Family

ID=12290025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47029942A Expired JPS5118189B2 (enrdf_load_html_response) 1972-03-24 1972-03-24

Country Status (2)

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

Families Citing this family (9)

* 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
JPH0640053U (ja) * 1992-10-30 1994-05-27 敏雄 熊谷 田の整地機
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

Family Cites Families (5)

* 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
JPS5326241B2 (enrdf_load_html_response) * 1973-05-30 1978-08-01

Also Published As

Publication number Publication date
JPS4896120A (enrdf_load_html_response) 1973-12-08
US3794850A (en) 1974-02-26

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