US3852664A
(en)
*
|
1973-03-30 |
1974-12-03 |
Rca Corp |
Magnetic reed sensor suitable for use in ignition timing systems
|
US3842377A
(en)
*
|
1973-07-05 |
1974-10-15 |
Martin C |
Magnetic switch
|
IL43049A
(en)
*
|
1973-08-22 |
1977-01-31 |
Shaarei Zedek Hospital |
Electrical switching device
|
DE2347471C3
(en)
*
|
1973-09-20 |
1979-02-22 |
Siemens Ag, 1000 Berlin Und 8000 Muenchen |
Polarized electromagnetic relay
|
US3863182A
(en)
*
|
1974-03-22 |
1975-01-28 |
Magsat Corp |
Magnetically operated electrical switch
|
CA1057801A
(en)
*
|
1975-12-25 |
1979-07-03 |
Yuji Hayashi |
Electromagnetically operated switch with a permanent magnet armature
|
USRE31579E
(en)
*
|
1977-12-29 |
1984-05-01 |
Eaton Corporation |
Shutterless fiber optic switch
|
US4146856A
(en)
*
|
1977-12-29 |
1979-03-27 |
Cutler-Hammer, Inc. |
Shutterless fiber optic switch
|
DE3062143D1
(en)
*
|
1979-01-29 |
1983-04-07 |
Bestobell Mobrey Ltd |
Float operated electrical switch assembly
|
US5332992A
(en)
*
|
1993-04-06 |
1994-07-26 |
Randall Woods |
Security alarm switch
|
US5530428A
(en)
*
|
1993-04-06 |
1996-06-25 |
Woods; Randall |
Security alarm switch
|
US5673021A
(en)
*
|
1996-05-22 |
1997-09-30 |
Woods; Randall |
Magnetic switch assembly for detecting unauthorized opening of doors or windows
|
US5880659A
(en)
*
|
1997-03-17 |
1999-03-09 |
Woods; Randell |
Magnetic switch assembly for detecting unauthorized opening of doors or windows
|
US5977873A
(en)
*
|
1998-03-04 |
1999-11-02 |
Woods; Randall |
Alarm switch
|
US6087936A
(en)
*
|
1998-12-29 |
2000-07-11 |
Woods; Randall |
Vibration sensor
|
US7325322B2
(en)
*
|
2005-02-01 |
2008-02-05 |
Delphi Technologies, Inc. |
Electric park brake inclinometer
|
US20070039141A1
(en)
*
|
2005-08-22 |
2007-02-22 |
Rairden Kenneth D |
Rotating magnetic fastener
|
US20100102906A1
(en)
*
|
2007-02-06 |
2010-04-29 |
Polycontact Ag |
Magnetically operated switch
|
US8242867B2
(en)
*
|
2009-03-31 |
2012-08-14 |
Royne Industries, LLC |
High security balanced magnetic switch
|
US20130200964A1
(en)
*
|
2012-01-23 |
2013-08-08 |
Christopher Woods |
Security switch
|
CN103247473B
(en)
*
|
2012-02-09 |
2017-09-29 |
通用设备和制造公司 |
The proximity switch of magnetic force triggering
|