CA941870A - Magnetically operated switch - Google Patents
Magnetically operated switchInfo
- Publication number
- CA941870A CA941870A CA122,593A CA122593A CA941870A CA 941870 A CA941870 A CA 941870A CA 122593 A CA122593 A CA 122593A CA 941870 A CA941870 A CA 941870A
- Authority
- CA
- Canada
- Prior art keywords
- operated switch
- magnetically operated
- magnetically
- switch
- operated
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT523570 | 1970-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA941870A true CA941870A (en) | 1974-02-12 |
Family
ID=11119742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA122,593A Expired CA941870A (en) | 1970-11-09 | 1971-09-10 | Magnetically operated switch |
Country Status (11)
Country | Link |
---|---|
US (1) | US3691490A (en) |
AT (1) | AT311476B (en) |
CA (1) | CA941870A (en) |
DE (1) | DE2135878A1 (en) |
FR (1) | FR2112907A5 (en) |
GB (1) | GB1332582A (en) |
IL (1) | IL37505A0 (en) |
NL (1) | NL7112152A (en) |
NO (1) | NO131742C (en) |
SE (1) | SE364140B (en) |
ZA (1) | ZA715301B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3842377A (en) * | 1973-07-05 | 1974-10-15 | Martin C | Magnetic switch |
US4075588A (en) * | 1973-11-09 | 1978-02-21 | Alarm Device Manufacturing, Co. | Switching apparatus |
US3924631A (en) * | 1973-12-06 | 1975-12-09 | Altair Inc | Magnetic clamp |
AT335195B (en) * | 1974-07-17 | 1977-02-25 | Philips Nv | RECORDING AND / OR PLAYBACK DEVICE AND CASSETTE FOR SUCH DEVICE |
US4219773A (en) * | 1978-11-02 | 1980-08-26 | Uop Inc. | Well casing finder instrument with movable magnet and magnetically operated switch |
US4513271A (en) * | 1982-07-16 | 1985-04-23 | Minnesota Mining And Manufacturing Company | Momentary contact magnetic switch |
US5048335A (en) * | 1987-10-01 | 1991-09-17 | Bindicator Company | Capacitance-type material level indicator |
JP4906113B2 (en) * | 2007-10-03 | 2012-03-28 | 株式会社東海理化電機製作所 | Switch device |
CN103971990A (en) * | 2013-01-31 | 2014-08-06 | 宁波斯卡达汽车电器有限公司 | Moving contact plate for automobile magnetic switch |
DE102017130837A1 (en) * | 2017-12-21 | 2019-06-27 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | System, measuring device and method for detecting a closing state |
CN109786176B (en) * | 2019-03-03 | 2020-06-05 | 金华九禾磁电科技有限公司 | Waterproof magnetic control switch with electric leakage alarm |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1990414U (en) * | 1960-05-02 | 1968-08-01 | Westmghouse Electric Corporation East Pittsburgh Pa (V St A) | Electrical switchgear |
US3487346A (en) * | 1967-04-24 | 1969-12-30 | Lettam Inc | Magnetic switch |
-
1971
- 1971-06-15 US US153369A patent/US3691490A/en not_active Expired - Lifetime
- 1971-07-17 DE DE19712135878 patent/DE2135878A1/en active Pending
- 1971-07-19 AT AT625471A patent/AT311476B/en active
- 1971-07-21 GB GB3412371A patent/GB1332582A/en not_active Expired
- 1971-07-27 FR FR7127429A patent/FR2112907A5/fr not_active Expired
- 1971-08-09 ZA ZA715301A patent/ZA715301B/en unknown
- 1971-08-13 IL IL37505A patent/IL37505A0/en unknown
- 1971-08-27 NO NO3193/71A patent/NO131742C/no unknown
- 1971-08-27 SE SE10867/71A patent/SE364140B/xx unknown
- 1971-09-03 NL NL7112152A patent/NL7112152A/xx unknown
- 1971-09-10 CA CA122,593A patent/CA941870A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO131742C (en) | 1975-07-16 |
FR2112907A5 (en) | 1972-06-23 |
NL7112152A (en) | 1972-05-12 |
US3691490A (en) | 1972-09-12 |
GB1332582A (en) | 1973-10-03 |
NO131742B (en) | 1975-04-07 |
IL37505A0 (en) | 1971-11-29 |
SE364140B (en) | 1974-02-11 |
ZA715301B (en) | 1972-08-30 |
AT311476B (en) | 1973-11-26 |
DE2135878A1 (en) | 1972-05-10 |
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