BE621011A - - Google Patents
Info
- Publication number
- BE621011A BE621011A BE621011DA BE621011A BE 621011 A BE621011 A BE 621011A BE 621011D A BE621011D A BE 621011DA BE 621011 A BE621011 A BE 621011A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0006—Permanent magnet actuating reed switches
- H01H36/0046—Limit switches, also fail-safe operation or anti-tamper considerations
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US132137A US3170052A (en) | 1961-08-17 | 1961-08-17 | Magnetically restorable sensing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621011A true BE621011A (US07534539-20090519-C00280.png) |
Family
ID=22452651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621011D BE621011A (US07534539-20090519-C00280.png) | 1961-08-17 |
Country Status (8)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328732A (en) * | 1966-02-28 | 1967-06-27 | Gen Electric | Switching device for meters of an automatic meter reading system |
| US3403363A (en) * | 1966-10-11 | 1968-09-24 | Allen Bradley Co | Operating means for pushbutton switches and the like having magnetically operable contacts |
| US3636833A (en) * | 1968-09-03 | 1972-01-25 | John Laing Research & Dev Ltd | Laying of concrete kerbs haunches and the like |
| US3689716A (en) * | 1971-04-30 | 1972-09-05 | Us Textile Mach Co | Magnetic stop motion device |
| US3675169A (en) * | 1971-06-24 | 1972-07-04 | Caterpillar Tractor Co | Durable electrical switch |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1958482A (en) * | 1932-07-28 | 1934-05-15 | Milwaukee Gas Specialty Co | Magnetic switch |
| US2061047A (en) * | 1932-12-17 | 1936-11-17 | Jr Edmund O Schweitzer | Timepiece |
| US2274019A (en) * | 1939-05-13 | 1942-02-24 | Gerald G Smith | Switch |
| US2352830A (en) * | 1942-07-15 | 1944-07-04 | Rochester Mfg Co Inc | Signal mechanism |
| US2620412A (en) * | 1948-01-16 | 1952-12-02 | Qualitrol Corp | Alarm gauge |
| US2641664A (en) * | 1948-09-18 | 1953-06-09 | Honeywell Regulator Co | Switch |
| DE1018508B (de) * | 1954-05-25 | 1957-10-31 | Ed Hartmann Fa | Schnappschalter fuer elektrische Stromkreise |
-
0
- NL NL123798D patent/NL123798C/xx active
- BE BE621011D patent/BE621011A/xx unknown
- NL NL281827D patent/NL281827A/xx unknown
-
1961
- 1961-08-17 US US132137A patent/US3170052A/en not_active Expired - Lifetime
-
1962
- 1962-08-01 CH CH923562A patent/CH401209A/de unknown
- 1962-08-08 GB GB30426/62A patent/GB1019947A/en not_active Expired
- 1962-08-09 DE DEH46607A patent/DE1291406B/de active Pending
- 1962-08-13 SE SE8778/62A patent/SE315648B/xx unknown
- 1962-08-14 DK DK356562AA patent/DK109272C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| NL123798C (US07534539-20090519-C00280.png) | |
| US3170052A (en) | 1965-02-16 |
| SE315648B (US07534539-20090519-C00280.png) | 1969-10-06 |
| CH401209A (de) | 1965-10-31 |
| DK109272C (da) | 1968-04-08 |
| NL281827A (US07534539-20090519-C00280.png) | |
| GB1019947A (en) | 1966-02-09 |
| DE1291406B (de) | 1969-03-27 |
