ATE27741T1 - Verfahren und system zur detektion, insbesondere zur verwendung in ueberwachungseinrichtungen oder automatischen einrichtungen. - Google Patents
Verfahren und system zur detektion, insbesondere zur verwendung in ueberwachungseinrichtungen oder automatischen einrichtungen.Info
- Publication number
- ATE27741T1 ATE27741T1 AT81108275T AT81108275T ATE27741T1 AT E27741 T1 ATE27741 T1 AT E27741T1 AT 81108275 T AT81108275 T AT 81108275T AT 81108275 T AT81108275 T AT 81108275T AT E27741 T1 ATE27741 T1 AT E27741T1
- Authority
- AT
- Austria
- Prior art keywords
- metal body
- characteristic
- circuit
- equipment
- detection
- Prior art date
Links
Classifications
-
- 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
- G01V3/10—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 using induction coils
- G01V3/101—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 using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
- G01V3/102—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 using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude
-
- 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
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/34—Transmitting data to recording or processing apparatus; Recording data
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8022418A FR2492539A1 (fr) | 1980-10-20 | 1980-10-20 | Procede et systeme de detection notamment pour installations de surveillance ou automatismes |
EP81108275A EP0050299B1 (de) | 1980-10-20 | 1981-10-13 | Verfahren und System zur Detektion, insbesondere zur Verwendung in Überwachungseinrichtungen oder automatischen Einrichtungen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE27741T1 true ATE27741T1 (de) | 1987-06-15 |
Family
ID=9247104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT81108275T ATE27741T1 (de) | 1980-10-20 | 1981-10-13 | Verfahren und system zur detektion, insbesondere zur verwendung in ueberwachungseinrichtungen oder automatischen einrichtungen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4484183A (de) |
EP (1) | EP0050299B1 (de) |
AT (1) | ATE27741T1 (de) |
DE (1) | DE3176250D1 (de) |
FR (1) | FR2492539A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4717908A (en) * | 1986-11-21 | 1988-01-05 | `Totes`, Incorporated | Credit card case with alarm system |
US4906858A (en) * | 1987-11-13 | 1990-03-06 | Honeywell Inc. | Controlled switching circuit |
US4821023A (en) * | 1988-01-07 | 1989-04-11 | Del Norte Technology, Inc. | Walk-through metal detector |
GB2233859A (en) * | 1989-07-11 | 1991-01-16 | Peter Hibbitt | Intruder alarms |
DE4409167C1 (de) * | 1994-03-17 | 1995-06-29 | Siemens Ag | Schlüssellose Zugangskontrolleinrichtung |
US5821855A (en) * | 1997-02-28 | 1998-10-13 | Lewis; Tommy J. | Recognition responsive security system |
FR2786047B1 (fr) * | 1998-11-13 | 2001-01-05 | Valeo Securite Habitacle | Systeme pour securiser une transmission bidirectionnelle de donnees pour l'acces a un espace clos, en particulier pour l'acces a un vehicule |
JP4336219B2 (ja) * | 2004-02-20 | 2009-09-30 | 株式会社ユーシン | 人体検知センサ |
DE102011103183A1 (de) * | 2011-06-01 | 2013-05-29 | Yevgen Berson | Einrichtung zur Untersuchung der geopathogenen Zonen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3230454A (en) * | 1963-07-03 | 1966-01-18 | Exxon Production Research Co | Radio alarm system having preselected code sequences |
GB1116712A (en) * | 1963-12-05 | 1968-06-12 | Radarguard Security Ltd | Improvements in security devices |
FR1429786A (fr) * | 1965-04-06 | 1966-02-25 | Prot Engineers | Perfectionnements aux systèmes d'alarme |
US3706982A (en) * | 1968-07-01 | 1972-12-19 | Gen Dynamics Corp | Intrusion detection system |
US3858194A (en) * | 1971-03-22 | 1974-12-31 | Oak Industries Inc | Security system with means for subscriber control |
FR2143521B1 (de) * | 1971-06-08 | 1974-09-27 | Onera (Off Nat Aerospatiale) | |
FR2195811B1 (de) * | 1972-08-07 | 1977-07-29 | Shigeo Matsuda | |
AU498573B2 (en) * | 1974-06-18 | 1979-03-15 | Aboyne Pty. Ltd. | Information transmission system |
US4000459A (en) * | 1974-10-24 | 1976-12-28 | Eldec Corporation | Linear ECL distance measuring gauge |
FR2291554A1 (fr) * | 1974-11-13 | 1976-06-11 | Perroux Roger | Dispositif antivol avec transmission radioelectrique en cas d'effraction |
US4095211A (en) * | 1975-07-31 | 1978-06-13 | The Stanley Works | Coded electronic security system |
ZA7994B (en) * | 1978-01-11 | 1980-01-30 | Tag Radionics Ltd | Presence sensing system |
DE2845718A1 (de) * | 1978-10-20 | 1980-04-30 | Helmar Grimm | Einrichtung zur drahtlosen uebertragung von informationen, speziell zur drahtlosen alarmuebertragung |
US4257038A (en) * | 1979-02-28 | 1981-03-17 | Notifier Company | Coded security system |
-
1980
- 1980-10-20 FR FR8022418A patent/FR2492539A1/fr active Granted
-
1981
- 1981-10-13 EP EP81108275A patent/EP0050299B1/de not_active Expired
- 1981-10-13 DE DE8181108275T patent/DE3176250D1/de not_active Expired
- 1981-10-13 AT AT81108275T patent/ATE27741T1/de not_active IP Right Cessation
- 1981-10-19 US US06/313,076 patent/US4484183A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2492539A1 (fr) | 1982-04-23 |
EP0050299B1 (de) | 1987-06-10 |
US4484183A (en) | 1984-11-20 |
DE3176250D1 (en) | 1987-07-16 |
EP0050299A1 (de) | 1982-04-28 |
FR2492539B1 (de) | 1984-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |