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
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)
- Contacts (AREA)
- Electrophonic Musical Instruments (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47029942A JPS5118189B2 (enExample) | 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 (enExample) | 1972-03-24 | 1972-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4896120A JPS4896120A (enExample) | 1973-12-08 |
| JPS5118189B2 true JPS5118189B2 (enExample) | 1976-06-08 |
Family
ID=12290025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47029942A Expired JPS5118189B2 (enExample) | 1972-03-24 | 1972-03-24 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3794850A (enExample) |
| JP (1) | JPS5118189B2 (enExample) |
Families Citing this family (9)
| 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)
| 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 (enExample) * | 1973-05-30 | 1978-08-01 |
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1972
- 1972-03-24 JP JP47029942A patent/JPS5118189B2/ja not_active Expired
-
1973
- 1973-03-22 US US3794850D patent/US3794850A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4896120A (enExample) | 1973-12-08 |
| US3794850A (en) | 1974-02-26 |