GB1491768A - Direct current switching devices - Google Patents
Direct current switching devicesInfo
- Publication number
- GB1491768A GB1491768A GB3422475A GB3422475A GB1491768A GB 1491768 A GB1491768 A GB 1491768A GB 3422475 A GB3422475 A GB 3422475A GB 3422475 A GB3422475 A GB 3422475A GB 1491768 A GB1491768 A GB 1491768A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alloy
- layer
- direct current
- aug
- contacts
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/04—Co-operating contacts of different material
Landscapes
- Contacts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742439315 DE2439315C3 (de) | 1974-08-16 | 1974-08-16 | Edelmetallkontakte für Gleichstromschaltgeräte, insbesondere für Relais in Kraftfahrzeugen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1491768A true GB1491768A (en) | 1977-11-16 |
Family
ID=5923347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3422475A Expired GB1491768A (en) | 1974-08-16 | 1975-08-18 | Direct current switching devices |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2439315C3 (es) |
ES (1) | ES440042A1 (es) |
FR (1) | FR2282155A1 (es) |
GB (1) | GB1491768A (es) |
IT (1) | IT1041485B (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104658633A (zh) * | 2013-11-20 | 2015-05-27 | 湖南利德电子浆料有限公司 | 一种汽车玻璃热线用导电铜浆的配方及制备方法 |
-
1974
- 1974-08-16 DE DE19742439315 patent/DE2439315C3/de not_active Expired
-
1975
- 1975-08-05 IT IT6903475A patent/IT1041485B/it active
- 1975-08-05 ES ES440042A patent/ES440042A1/es not_active Expired
- 1975-08-13 FR FR7525205A patent/FR2282155A1/fr active Granted
- 1975-08-18 GB GB3422475A patent/GB1491768A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104658633A (zh) * | 2013-11-20 | 2015-05-27 | 湖南利德电子浆料有限公司 | 一种汽车玻璃热线用导电铜浆的配方及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
IT1041485B (it) | 1980-01-10 |
DE2439315A1 (de) | 1976-02-26 |
FR2282155A1 (fr) | 1976-03-12 |
ES440042A1 (es) | 1977-06-16 |
DE2439315C3 (de) | 1978-11-09 |
FR2282155B1 (es) | 1981-06-26 |
DE2439315B2 (de) | 1977-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |