NL137148C - - Google Patents
Info
- Publication number
- NL137148C NL137148C NL137148DA NL137148C NL 137148 C NL137148 C NL 137148C NL 137148D A NL137148D A NL 137148DA NL 137148 C NL137148 C NL 137148C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
- H01H1/08—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved wetted with mercury
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/0201—Materials for reed contacts
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62038867A | 1967-03-03 | 1967-03-03 | |
| US78747268A | 1968-12-27 | 1968-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL137148C true NL137148C (en) |
Family
ID=27088709
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL137148D NL137148C (en) | 1967-03-03 | ||
| NL6802863A NL6802863A (en) | 1967-03-03 | 1968-02-29 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6802863A NL6802863A (en) | 1967-03-03 | 1968-02-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US3431377A (en) |
| AT (1) | AT295631B (en) |
| BE (1) | BE711477A (en) |
| DE (1) | DE1690535B1 (en) |
| FR (1) | FR1555269A (en) |
| GB (1) | GB1219204A (en) |
| NL (2) | NL6802863A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL137148C (en) * | 1967-03-03 | |||
| US3495061A (en) * | 1968-07-11 | 1970-02-10 | Ibm | Contacts for reed switches |
| US3584173A (en) * | 1969-08-13 | 1971-06-08 | Cunningham Corp | Reed switch with improved contact isolation |
| DE2924252A1 (en) * | 1979-06-15 | 1980-12-18 | Bosch Gmbh Robert | CIRCUIT ARRANGEMENT FOR REGISTERING MALFUNCTIONS FOR AT LEAST ONE OF THE PROTECTION OF THE VEHICLE IN A ACCIDENT SAFETY DEVICE |
| FR2473217A1 (en) * | 1980-01-08 | 1981-07-10 | Socapex | SWITCH WITH WET CONTACTS AND A MAGNETIC CONTROL, AND ELECTRIC RELAY HAVING SUCH A SWITCH |
| DE3269978D1 (en) * | 1981-07-24 | 1986-04-24 | Standex Electronics Uk Ltd | Mercury containing reed switches |
| JPH0622087B2 (en) * | 1987-05-25 | 1994-03-23 | 松下電工株式会社 | Sealed contact device |
| US6979789B1 (en) | 2005-03-21 | 2005-12-27 | Agilent Technologies, Inc. | Switches having wettable surfaces comprising a material that does not form alloys with a switching fluid, and method of making same |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2547536A (en) * | 1951-04-03 | Formation of a surface easily | ||
| NL190202B (en) * | 1953-09-21 | Nicholson Terence Peter | CYLINDER HEAD GASKET FOR COMBUSTION ENGINE. | |
| US2769875A (en) * | 1953-09-25 | 1956-11-06 | Bell Telephone Labor Inc | Mercury contact switch |
| US2868926A (en) * | 1957-06-25 | 1959-01-13 | Bell Telephone Labor Inc | Switch |
| NL126656C (en) * | 1959-10-22 | |||
| US3054873A (en) * | 1959-11-27 | 1962-09-18 | Bell Telephone Labor Inc | Liquid-contact switch |
| US3146328A (en) * | 1961-11-07 | 1964-08-25 | Bell Telephone Labor Inc | Non-sticking electrical contacts |
| BE624902A (en) * | 1961-11-16 | |||
| US3344373A (en) * | 1966-02-07 | 1967-09-26 | Automatic Elect Lab | Switching device employing a globule of magnetizable electrically conductive fluid |
| NL137148C (en) * | 1967-03-03 |
-
0
- NL NL137148D patent/NL137148C/xx active
-
1967
- 1967-03-03 US US620388A patent/US3431377A/en not_active Expired - Lifetime
-
1968
- 1968-02-29 FR FR1555269D patent/FR1555269A/fr not_active Expired
- 1968-02-29 GB GB9854/68A patent/GB1219204A/en not_active Expired
- 1968-02-29 NL NL6802863A patent/NL6802863A/xx unknown
- 1968-02-29 BE BE711477D patent/BE711477A/xx not_active IP Right Cessation
- 1968-03-01 DE DE19681690535 patent/DE1690535B1/en not_active Withdrawn
- 1968-03-01 AT AT204468A patent/AT295631B/en not_active IP Right Cessation
- 1968-12-27 US US787472A patent/US3491219A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1219204A (en) | 1971-01-13 |
| FR1555269A (en) | 1969-01-24 |
| AT295631B (en) | 1972-01-10 |
| BE711477A (en) | 1968-07-01 |
| DE1690535B1 (en) | 1970-12-23 |
| US3431377A (en) | 1969-03-04 |
| NL6802863A (en) | 1968-09-04 |
| US3491219A (en) | 1970-01-20 |