NL7006519A - - Google Patents
Info
- Publication number
- NL7006519A NL7006519A NL7006519A NL7006519A NL7006519A NL 7006519 A NL7006519 A NL 7006519A NL 7006519 A NL7006519 A NL 7006519A NL 7006519 A NL7006519 A NL 7006519A NL 7006519 A NL7006519 A NL 7006519A
- Authority
- NL
- Netherlands
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
- G01V3/088—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 operating with electric fields
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82186869A | 1969-05-05 | 1969-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7006519A true NL7006519A (xx) | 1970-11-09 |
Family
ID=25234484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7006519A NL7006519A (xx) | 1969-05-05 | 1970-05-04 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3673589A (xx) |
DE (1) | DE2023114A1 (xx) |
FR (1) | FR2042404A1 (xx) |
GB (1) | GB1313883A (xx) |
NL (1) | NL7006519A (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3754219A (en) * | 1972-01-03 | 1973-08-21 | Johnson Service Co | High impedance gaseous ion sensing and detection system |
US3956743A (en) * | 1973-03-14 | 1976-05-11 | Theodore D. Geiszler | Motion detection system |
US3997890A (en) * | 1974-06-11 | 1976-12-14 | Kendrick Jr Embry Mayes | Alarm system with supervisory system to detect severing or bridging of detection switches |
US4155078A (en) * | 1976-11-12 | 1979-05-15 | John E. Reilly | Single wire intrusion detector system |
US4281323A (en) * | 1978-12-05 | 1981-07-28 | Bank Computer Network Corporation | Noise responsive data input apparatus and method |
US4243216A (en) * | 1979-06-11 | 1981-01-06 | Ncr Canada Ltd. - Ncr Canada Ltee | Double document detection system |
FR2608781B1 (fr) * | 1986-12-17 | 1989-03-03 | Thomas Jean | Detecteur de proximite entre une masse metallique et un element sous tension electrique |
SE8700442D0 (sv) * | 1987-02-05 | 1987-02-05 | Tore Hesthamar | Detektering med hjelp av elektriska felt av forendring i rumslig konfiguration |
FR2640052B1 (fr) * | 1988-12-02 | 1991-03-15 | Bourgeton Jean Pierre | Dispositif pour detecter le passage et le sens de franchissement |
FR2693556B1 (fr) * | 1992-07-10 | 1997-11-07 | Trong Truc Ngo | Procede et dispositif de detection d'une perturbation electrique ionique dans une zone determinee d'un milieu et leur utilisation. |
FR2733045B1 (fr) * | 1995-04-11 | 1997-05-23 | Ngo Trong Truc | Procede et dispositif de mesure d'un parametre d'etat d'une quantite de fluide ionise accumule |
WO1998003863A1 (fr) * | 1996-07-23 | 1998-01-29 | Trong Truc Ngo | Procede et dispositif de mesure d'un parametre d'etat d'une quantite de fluide ionise accumule |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258762A (en) * | 1966-06-28 | Bistable multivibrator means | ||
US2802178A (en) * | 1954-09-22 | 1957-08-06 | Gen Electric | Motion detecting device |
US3201775A (en) * | 1963-03-08 | 1965-08-17 | Teale & Company | Voltage proximity detector |
US3346856A (en) * | 1964-07-06 | 1967-10-10 | Gen Precision Systems Inc | Inductive loop vehicle detector |
US3564529A (en) * | 1965-10-21 | 1971-02-16 | Us Navy | Electrostatic field rate detector |
US3493954A (en) * | 1967-02-01 | 1970-02-03 | Bliss Co | Object detection system |
US3452346A (en) * | 1967-12-29 | 1969-06-24 | Julius B Kupersmit | Static charge detector |
-
1969
- 1969-05-05 US US821868A patent/US3673589A/en not_active Expired - Lifetime
-
1970
- 1970-05-04 NL NL7006519A patent/NL7006519A/xx unknown
- 1970-05-04 FR FR7016156A patent/FR2042404A1/fr not_active Withdrawn
- 1970-05-04 GB GB2139170A patent/GB1313883A/en not_active Expired
- 1970-05-04 DE DE19702023114 patent/DE2023114A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2042404A1 (xx) | 1971-02-12 |
US3673589A (en) | 1972-06-27 |
DE2023114A1 (de) | 1970-11-12 |
GB1313883A (en) | 1973-04-18 |