ES428528A1 - Aparato para vigilar perturbaciones provocadas por choques mecanicos, presion, impactos, etc. - Google Patents

Aparato para vigilar perturbaciones provocadas por choques mecanicos, presion, impactos, etc.

Info

Publication number: ES428528A1
Authority: ES; Spain
Prior art keywords: conductive member; wire; frequency component; attributable; combination
Prior art date: 1973-07-24
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

Application number

ES428528A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Westinghouse Electric Corp

Original Assignee

Westinghouse Electric Corp

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.)

1973-07-24

Filing date

1974-07-23

Publication date

1976-08-16

1974-07-23 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1976-08-16 Publication of ES428528A1 publication Critical patent/ES428528A1/es

Status Expired legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Burglar Alarm Systems (AREA)
Geophysics And Detection Of Objects (AREA)
Switches That Are Operated By Magnetic Or Electric Fields (AREA)

ES428528A 1973-07-24 1974-07-23 Aparato para vigilar perturbaciones provocadas por choques mecanicos, presion, impactos, etc. Expired ES428528A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00382264A US3846780A (en)	1973-07-24	1973-07-24	Intrusion detection system

Publications (1)

Publication Number	Publication Date
ES428528A1 true ES428528A1 (es)	1976-08-16

Family

ID=23508197

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES428528A Expired ES428528A1 (es)	1973-07-24	1974-07-23	Aparato para vigilar perturbaciones provocadas por choques mecanicos, presion, impactos, etc.

Country Status (10)

Country	Link
US (2)	US3846780A (es)
JP (1)	JPS5248079B2 (es)
BE (1)	BE817967A (es)
CA (1)	CA1012225A (es)
DE (1)	DE2435444A1 (es)
ES (1)	ES428528A1 (es)
FR (1)	FR2238980B1 (es)
GB (1)	GB1456102A (es)
NL (1)	NL7408923A (es)
TR (1)	TR18071A (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4047166A (en) *	1976-01-26	1977-09-06	Gte Sylvania Incorporated	Electrostatically charged cable transducer
FR2391519A1 (fr) *	1977-05-16	1978-12-15	App Automatiques Ste Fse	Dispositif de discrimination de presence
JPS578179Y2 (es) *	1977-09-27	1982-02-17
US4236109A (en) *	1977-12-12	1980-11-25	Lockheed Corporation	Dielectric monitored composite assembly
US4197529A (en) *	1978-02-17	1980-04-08	The United States Of America As Represented By The Secretary Of The Navy	Intrusion detection apparatus
US4237421A (en) *	1978-10-19	1980-12-02	General Electric Company	Single-electrode capacitance touchpad sensor systems
IL66040A (en) *	1982-06-11	1987-12-20	Beta Eng & Dev Ltd	Intrusion detection system
IT1229151B (it) *	1989-04-07	1991-07-22	Hesa Spa	Dispositivo di allarme o di segnalazione il cui elemento sensore e' costituito da un cavo coassiale schermato polarizzato in corrente continua
US4994793A (en) *	1989-12-08	1991-02-19	Kevin Curtis	Weight shift detector
US5705984A (en) *	1996-05-10	1998-01-06	The United States Of America As Represented By The Secretary Of The Navy	Passive intrusion detection system
US6025782A (en)	1996-09-04	2000-02-15	Newham; Paul	Device for monitoring the presence of a person using proximity induced dielectric shift sensing
DE20301907U1 (de)	2003-02-07	2003-04-30	Wintjens, Rüdiger, 47533 Kleve	Synthesizer gelenktes IR-Laser-Sicherheitssystem mit 4D-Barriere und Punkt-Matrix-Anzeige
US6967584B2 (en) *	2003-07-28	2005-11-22	Senstar-Stellar Corporation	Integrated sensor cable for ranging
FR2863395B1 (fr) *	2003-12-04	2006-04-21	Internat Pool Safety And Light	Barriere pourvue d'un dispositif de detection de contraintes de franchissement
US7479878B2 (en) *	2004-07-28	2009-01-20	Senstar-Stellar Corporation	Triboelectric, ranging, or dual use security sensor cable and method of manufacturing same
FR2876481B1 (fr) *	2004-10-13	2007-01-19	Atral Soc Par Actions Simplifi	Systeme d'alarme equipe d'un detecteur de court-circuit
US7881882B2 (en) *	2006-09-25	2011-02-01	Ut-Battelle, Llc	Apparatus and method for detecting tampering in flexible structures
ITBA20090007A1 (it) *	2009-02-03	2009-05-05	Rocco Carone	Sensore capacitivo di presenza per antintrusione e comando
JP5568993B2 (ja) *	2010-01-08	2014-08-13	オムロン株式会社	静電誘導型発電装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2649579A (en) *	1950-02-01	1953-08-18	Standard Oil Dev Co	Detector for seismic exploration
US2837082A (en) *	1954-03-18	1958-06-03	Elliott Robert Vincent	Accelerometer
US2787784A (en) *	1954-04-30	1957-04-02	Harold T Meryman	Triboelectric detecting system
US2965877A (en) *	1957-06-10	1960-12-20	James H Stein	Capacitive-type line hydrophone
US3109165A (en) *	1958-09-05	1963-10-29	Specialties Dev Corp	Intruder detecting system
US3889230A (en) *	1966-09-02	1975-06-10	Woods Hole Oceanographic Inst	Capacitive transducer and method of using the same
GB1209506A (en)	1968-03-18	1970-10-21	Marconi Co Ltd	Improvements in or relating to vibration detectors
GB1278249A (en)	1968-12-10	1972-06-21	Marconi Co Ltd	Improvements in or relating to vibration detectors
US3763482A (en) *	1971-02-01	1973-10-02	Gte Sylvania Inc	Coaxial cable transducer
US3750127A (en) *	1971-10-28	1973-07-31	Gen Dynamics Corp	Method and means for sensing strain with a piezoelectric strain sensing element

1973
- 1973-07-24 US US00382264A patent/US3846780A/en not_active Expired - Lifetime
1974
- 1974-06-25 CA CA203,307A patent/CA1012225A/en not_active Expired
- 1974-07-02 NL NL7408923A patent/NL7408923A/xx not_active Application Discontinuation
- 1974-07-17 GB GB3157574A patent/GB1456102A/en not_active Expired
- 1974-07-22 TR TR18071A patent/TR18071A/xx unknown
- 1974-07-23 DE DE2435444A patent/DE2435444A1/de not_active Withdrawn
- 1974-07-23 ES ES428528A patent/ES428528A1/es not_active Expired
- 1974-07-23 BE BE1006088A patent/BE817967A/xx unknown
- 1974-07-24 FR FR7425749A patent/FR2238980B1/fr not_active Expired
- 1974-07-24 JP JP49084265A patent/JPS5248079B2/ja not_active Expired
1976
- 1976-09-01 US US05/719,500 patent/USRE29896E/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR2238980A1 (es)	1975-02-21
US3846780A (en)	1974-11-05
FR2238980B1 (es)	1978-12-08
GB1456102A (en)	1976-11-17
TR18071A (tr)	1976-09-21
USRE29896E (en)	1979-01-30
NL7408923A (nl)	1975-01-28
JPS5248079B2 (es)	1977-12-07
BE817967A (fr)	1975-01-23
CA1012225A (en)	1977-06-14
JPS5044794A (es)	1975-04-22
DE2435444A1 (de)	1975-02-13

Publication	Publication Date	Title
GB1477252A (en)	1977-06-22	Stray field capacitor switching arrangements
WO1989012830A3 (en)	1990-02-08	Micro-machined accelerometer
US3226981A (en)	1966-01-04	Condition responsive signal generator for producing a variable frequency signal
US3002179A (en)	1961-09-26	Low frequency hydrophone
GB1456102A (en)	1976-11-17	Intrusion detection system
GB1536017A (en)	1978-12-13	Device for measuring gravitational and inertial forces
US3349629A (en)	1967-10-31	Frequency damped transucer
JPS58500139A (ja)	1983-01-20	圧電トランスジュ−サ
ES437751A1 (es)	1977-01-16	Dispositivo receptor de estructura continua para la prospec-cion sismica.
US3048815A (en)	1962-08-07	Low frequency transducer
US4186324A (en)	1980-01-29	Linear accelerometer with piezoelectric suspension
GB1397911A (en)	1975-06-18	Damped inertia-operated electrical switch
US3987320A (en)	1976-10-19	Multiaxis piezoelectric sensor
US3545283A (en)	1970-12-08	Non-linear accelerometer
US3274539A (en)	1966-09-20	Transducer for simultaneous measurement of physical phenomena of sound wave
US3478343A (en)	1969-11-11	Vibration integrating alarm
GB1505034A (en)	1978-03-22	Piezoelectric switches
GB1344717A (en)	1974-01-23	Electroacoustic device
US2897306A (en)	1959-07-28	Acceleration responsive microswitch
SE7703452L (sv)	1977-09-30	Stot- och vibrationskenslig anordning
SU577490A1 (ru)	1977-10-25	Сейсмометр
SU1046686A1 (ru)	1983-10-07	Устройство дл измерени ударных ускорений
SU563672A1 (ru)	1977-06-30	Устройство дл ввода информации
SU552562A1 (ru)	1977-03-30	Пьезоэлектрический акселерометр
SU408216A1 (ru)	1973-12-10	Тахометр