IT974284B - Perfezionamento nei dispositivi percettori di campo magnetico - Google Patents

Perfezionamento nei dispositivi percettori di campo magnetico

Info

Publication number: IT974284B
Authority: IT; Italy
Prior art keywords: perceptor; improvement; devices; magnetic field; magnetic
Prior art date: 1972-01-17

Application number

IT54990/72A

Other languages

English (en)

Original Assignee

Honeywell Inc

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.)

1972-01-17

Filing date

1972-12-22

Publication date

1974-06-20

1972-12-22 Application filed by Honeywell Inc filed Critical Honeywell Inc

1974-06-20 Application granted granted Critical

1974-06-20 Publication of IT974284B publication Critical patent/IT974284B/it

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2497—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field using transmission lines, e.g. cable
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Remote Sensing (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
Geophysics (AREA)
Condensed Matter Physics & Semiconductors (AREA)
Geophysics And Detection Of Objects (AREA)
Burglar Alarm Systems (AREA)
Measuring Magnetic Variables (AREA)

IT54990/72A 1972-01-17 1972-12-22 Perfezionamento nei dispositivi percettori di campo magnetico IT974284B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US21810272A	1972-01-17	1972-01-17

Publications (1)

Publication Number	Publication Date
IT974284B true IT974284B (it)	1974-06-20

Family

ID=22813755

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT54990/72A IT974284B (it)	1972-01-17	1972-12-22	Perfezionamento nei dispositivi percettori di campo magnetico

Country Status (11)

Country	Link
US (1)	US3747036A (it)
JP (1)	JPS4880075A (it)
AU (1)	AU462926B2 (it)
BE (1)	BE794127A (it)
CA (1)	CA999355A (it)
DE (1)	DE2301356C2 (it)
FR (1)	FR2168319B1 (it)
GB (1)	GB1363612A (it)
IT (1)	IT974284B (it)
NL (1)	NL174763C (it)
SE (1)	SE385515B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE29019E (en) *	1969-01-22	1976-10-26	Yeda Research & Development Co. Ltd.	Intruder detection system
US3846790A (en) *	1973-06-08	1974-11-05	Honeywell Inc	Intrusion detection systems
US3889262A (en) *	1974-03-07	1975-06-10	Northern Electric Co	Electromagnetically resonant device
US4206451A (en) *	1975-11-05	1980-06-03	Honeywell Inc.	Intrusion detection system
US4166264A (en) *	1977-12-27	1979-08-28	Honeywell Inc.	Intrusion detection transducers
AU521875B2 (en) *	1979-07-31	1982-05-06	Matsushita Electric Industrial Co., Ltd.	Induction heating
US4513257A (en) *	1981-12-03	1985-04-23	Omron Tateisi Electronics Co.	Proximity switch with oppositely polarized coils
US4598168A (en) *	1983-11-29	1986-07-01	The United States Of America As Represented By The Secretary Of The Army	Strain sensitive cable
JPH07112335B2 (ja) *	1986-07-11	1995-11-29	株式会社豊田自動織機製作所	圧縮機における回転検出装置
JPH01155282A (ja) *	1987-12-14	1989-06-19	Toyota Autom Loom Works Ltd	磁気センサ
US5414350A (en) *	1993-01-08	1995-05-09	Ford Motor Company	Rotating magnet measuring instrument and method for equalizing coil windings
EP1416635B1 (en) *	2002-11-01	2012-12-12	Omron Corporation	Sensor device
US6727467B1 (en) *	2003-01-31	2004-04-27	W.E.T. Automotive Systems Ag	Heated handle and method of forming same
EP2587232B1 (en) *	2011-10-27	2019-06-05	Universität des Saarlandes	System and method for detecting mechanical vibrations
US10557824B1 (en) *	2015-06-17	2020-02-11	SeeScan, Inc.	Resiliently deformable magnetic field transmitter cores for use with utility locating devices and systems
US11194071B2 (en) *	2017-07-19	2021-12-07	Intricon Corporation	Interconnect ring for microminiature electrical coil
FR3076657B1 (fr) *	2018-01-05	2021-04-09	Socomec Sa	Transformateur de courant ouvrant a noyau magnetique souple
CN112542014A (zh) *	2020-10-27	2021-03-23	国网浙江省电力有限公司杭州供电公司	基于生物感应的电力电缆防外破系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US499852A (en) *		1893-06-20		And alfred pfann
US2201146A (en) *	1937-08-14	1940-05-21	Automatic Signal Corp	Traffic detector
US2520991A (en) *	1944-09-06	1950-09-05	Yolles Jack	Method of making low-loss delay lines
US2885646A (en) *	1953-04-22	1959-05-05	Kendick Mfg Company Inc	Electrical transformers
US2975384A (en) *	1954-09-24	1961-03-14	Sprague Electric Co	Toroidal inductor combinations
US3319161A (en) *	1966-01-19	1967-05-09	Bunker Ramo	Flux gate magnetometer utilizing a thin helical strip of magnetic material as its core
FR1504469A (fr) *	1966-04-29	1967-12-08	Cie Centrale D Etudes Ind	Dispositif linéaire à induction pour alimentation électrique en basse tension
US3508238A (en) *	1966-07-18	1970-04-21	Texas Instruments Inc	Intrusion detection system
JPS4520871Y1 (it) *	1967-04-15	1970-08-20
US3489974A (en) *	1968-05-27	1970-01-13	Square D Co	Current sensing pulse output transformer
US3541432A (en) *	1968-10-21	1970-11-17	Bunker Ramo	Magnetometer capable of operating with a very low input power
US3777200A (en) *	1971-05-14	1973-12-04	Nasa	High powered arc electrodes

1972
- 1972-01-17 US US00218102A patent/US3747036A/en not_active Expired - Lifetime
- 1972-09-07 CA CA151,201A patent/CA999355A/en not_active Expired
- 1972-11-08 JP JP47111316A patent/JPS4880075A/ja active Pending
- 1972-12-18 AU AU50200/72A patent/AU462926B2/en not_active Expired
- 1972-12-22 IT IT54990/72A patent/IT974284B/it active
1973
- 1973-01-08 FR FR7300524A patent/FR2168319B1/fr not_active Expired
- 1973-01-12 GB GB180573A patent/GB1363612A/en not_active Expired
- 1973-01-12 DE DE2301356A patent/DE2301356C2/de not_active Expired
- 1973-01-16 NL NLAANVRAGE7300632,A patent/NL174763C/xx not_active IP Right Cessation
- 1973-01-16 SE SE7300564A patent/SE385515B/xx unknown
- 1973-02-15 BE BE794127D patent/BE794127A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2168319A1 (it)	1973-08-31
US3747036A (en)	1973-07-17
SE385515B (sv)	1976-07-05
DE2301356C2 (de)	1981-09-24
BE794127A (fr)	1973-05-16
NL174763B (nl)	1984-03-01
FR2168319B1 (it)	1976-05-14
DE2301356A1 (de)	1973-07-26
AU462926B2 (en)	1975-06-24
AU5020072A (en)	1974-06-20
JPS4880075A (it)	1973-10-26
CA999355A (en)	1976-11-02
NL174763C (nl)	1984-08-01
GB1363612A (en)	1974-08-14
NL7300632A (it)	1973-07-19

Publication	Publication Date	Title
IT1001646B (it)	1976-04-30	Magnete di impostazione
IT960948B (it)	1973-11-30	Perfezionamento nei dispositivi di fissaggio prigionieri
AT327426B (de)	1976-01-26	Brillenglaser
IT979684B (it)	1974-09-30	Perfezionamento nei dispositivi di connessione elettrica
IT974284B (it)	1974-06-20	Perfezionamento nei dispositivi percettori di campo magnetico
IT997701B (it)	1975-12-30	Perfezionamento nei cateteri
ATA1073373A (de)	1977-10-15	Brillenfassung
AT343378B (de)	1978-05-26	Brillengestell
IT985075B (it)	1974-11-30	Perfezionamento nei granulatori
IT1004654B (it)	1976-07-20	Apparecchio di magnetizzazione multipolare
IT985676B (it)	1974-12-10	Perfezionamento nei emporizzatori
NL161281C (nl)	1980-01-15	Magnetische transducent.
IT990122B (it)	1975-06-20	Contatore di particole non diluente
BR7305663D0 (pt)	1974-09-05	Aperfeicoamentos em percompostos particulares
BR7301195D0 (pt)	1974-08-22	Arranjo magnetico
AT348589B (de)	1979-02-26	Feldeffekttransistor
FI56265C (fi)	1979-12-10	Brettstraolande belysningsanordning foer hoegtrycksurladdningslampor med klargaskupa och stavformigt braennorgan
IT997765B (it)	1975-12-30	Perfezionamento nei dispositivi oftalmici fotocromici
BR7303194D0 (pt)	1974-07-11	Polos magneticos
IT984958B (it)	1974-11-20	Perfezionamento nei dispositivi di segnalazione
AT309375B (de)	1973-08-10	Magnetbalken
BE801375A (fr)	1973-10-15	Compteurs
IT985816B (it)	1974-12-20	Perfezionamento nei giradischi
IT985175B (it)	1974-11-30	Apparecchiatura di filtrazione
BR7309302D0 (pt)	1974-08-15	Aperfeicoamentos em transistores de efeito de campo