NL7701300A - Magnetische schakelaar. - Google Patents

Magnetische schakelaar.

Info

Publication number: NL7701300A
Authority: NL; Netherlands
Prior art keywords: magnetic switch; magnetic; switch
Prior art date: 1976-02-09

Application number

NL7701300A

Other languages

English (en)

Original Assignee

Cohen Morton

Priority date (The priority date 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 date listed.)

1976-02-09

Filing date

1977-02-08

Publication date

1977-08-11

1977-02-08 Application filed by Cohen Morton filed Critical Cohen Morton

1977-08-11 Publication of NL7701300A publication Critical patent/NL7701300A/nl

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
- H01H35/144—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch operated by vibration
- 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

NL7701300A 1976-02-09 1977-02-08 Magnetische schakelaar. NL7701300A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/656,098 US4057773A (en)	1976-02-09	1976-02-09	Magnetic switch

Publications (1)

Publication Number	Publication Date
NL7701300A true NL7701300A (nl)	1977-08-11

Family

ID=24631613

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7701300A NL7701300A (nl)	1976-02-09	1977-02-08	Magnetische schakelaar.

Country Status (12)

Country	Link
US (1)	US4057773A (nl)
JP (1)	JPS5297171A (nl)
BR (1)	BR7700764A (nl)
CA (1)	CA1083206A (nl)
CH (1)	CH613806A5 (nl)
DE (1)	DE2705065A1 (nl)
FR (1)	FR2340609A1 (nl)
GB (1)	GB1577782A (nl)
IT (1)	IT1077809B (nl)
MX (1)	MX142994A (nl)
NL (1)	NL7701300A (nl)
SE (1)	SE7701318L (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4258358A (en) *	1978-08-16	1981-03-24	International Quartz Ltd.	Door opening sensing and alarm producing device
US4531029A (en) *	1982-01-08	1985-07-23	Currillies Trimble	Cricket switch
US4513271A (en) *	1982-07-16	1985-04-23	Minnesota Mining And Manufacturing Company	Momentary contact magnetic switch
US4553134A (en) *	1982-12-23	1985-11-12	Alarm Accessory Ltd.	Electrical alarm system for installation in a window casing
CA1245104A (en) *	1988-02-18	1988-11-22	Harry K. Rehberg	Door alarm
US4837557A (en) *	1988-03-04	1989-06-06	Raywheel, Inc.	Combination alarm and lock device with sensitivity adjustment
GB2226701A (en) *	1988-12-30	1990-07-04	She William Yung Lee	Electrical switch
US5530428A (en) *	1993-04-06	1996-06-25	Woods; Randall	Security alarm switch
US5554833A (en) *	1994-09-26	1996-09-10	Johnson; Wayne	Magnetic switch tripping system
US5877664A (en) *	1996-05-08	1999-03-02	Jackson, Jr.; John T.	Magnetic proximity switch system
US5929731A (en) *	1996-05-08	1999-07-27	Jackson Research, Inc.	Balanced magnetic proximity switch assembly
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
WO2023141187A1 (en) *	2022-01-19	2023-07-27	Baker Hughes Oilfield Operations Llc	Magnetic switch arrangement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH240703A (de) *	1943-11-30	1946-01-15	Auderset Pierre	Vorrichtung zum Anzeigen von Druckverlusten in Luftreifen.
US3281735A (en) *	1965-04-14	1966-10-25	Blumish Thomas	Magnetic switch having swingably supported permanent magnet actuating means
US3539741A (en) *	1969-08-08	1970-11-10	Mallory & Co Inc P R	Magnetically activated door switch
US3806852A (en) *	1972-10-02	1974-04-23	Stanley Works	Switch activating hinge

1976
- 1976-02-09 US US05/656,098 patent/US4057773A/en not_active Expired - Lifetime
1977
- 1977-02-07 CA CA271,225A patent/CA1083206A/en not_active Expired
- 1977-02-07 GB GB4997/77A patent/GB1577782A/en not_active Expired
- 1977-02-07 MX MX167955A patent/MX142994A/es unknown
- 1977-02-07 SE SE7701318A patent/SE7701318L/xx unknown
- 1977-02-08 CH CH150177A patent/CH613806A5/xx not_active IP Right Cessation
- 1977-02-08 NL NL7701300A patent/NL7701300A/nl not_active Application Discontinuation
- 1977-02-08 IT IT47958/77A patent/IT1077809B/it active
- 1977-02-08 DE DE19772705065 patent/DE2705065A1/de not_active Withdrawn
- 1977-02-08 FR FR7703475A patent/FR2340609A1/fr active Granted
- 1977-02-08 BR BR7700764A patent/BR7700764A/pt unknown
- 1977-02-09 JP JP1258977A patent/JPS5297171A/ja active Pending

Also Published As

Publication number	Publication date
MX142994A (es)	1981-02-03
JPS5297171A (en)	1977-08-15
FR2340609A1 (fr)	1977-09-02
GB1577782A (en)	1980-10-29
IT1077809B (it)	1985-05-04
CH613806A5 (nl)	1979-10-15
SE7701318L (sv)	1977-08-10
BR7700764A (pt)	1977-10-11
CA1083206A (en)	1980-08-05
FR2340609B3 (nl)	1979-10-05
US4057773A (en)	1977-11-08
DE2705065A1 (de)	1977-10-06

Legal Events

Date	Code	Title	Description
1979-10-25	BV	The patent application has lapsed

Publication	Publication Date	Title
NL7712185A (nl)	1978-05-09	Schakelaar.
NL7710934A (nl)	1978-04-07	Schakelaar.
NL7706859A (nl)	1977-12-23	Ringvormige magneeteenheid.
PL203540A1 (pl)	1978-07-17	Wylacznik
NL167256C (nl)	1981-11-16	Magnetische wisinrichting.
NL7701300A (nl)	1977-08-11	Magnetische schakelaar.
NL7701786A (nl)	1977-08-23	Schakelklep.
ATA66377A (de)	1985-01-15	Vaakumschalter
NL7600719A (nl)	1976-07-27	Schakelaar.
NL7707322A (nl)	1978-01-04	Handschakelaar.
NL7711766A (nl)	1978-04-28	Electrische schakelaar.
NL7610995A (nl)	1977-04-18	Schakelaar.
NL7703290A (nl)	1977-09-28	Magnetische afscheider.
NL7508857A (nl)	1977-01-26	Schakelaar.
NO771357L (no)	1977-10-25	L}sering.
NO774207L (no)	1978-06-13	Gruppebryter.
NL7509460A (nl)	1977-02-10	Schakeling.
NL7712153A (nl)	1978-05-12	Schakelaar.
NL7613269A (nl)	1977-07-28	Schakelaar.
NL7612975A (nl)	1977-08-16	Schakelkast.
NL161609C (nl)	1980-02-15	Vacuumschakelaar.
NL173004B (nl)	1983-06-16	Logische schakeling.
NL7707033A (nl)	1978-01-17	Toonvolgordeschakeling.
AT342154B (de)	1978-03-28	Stern-dreieck-schalter
DK216677A (da)	1977-11-22	Flerdeksdrejeomskifter