NL177945C - OBJECT DETECTION SYSTEM. - Google Patents
OBJECT DETECTION SYSTEM.Info
- Publication number
- NL177945C NL177945C NL7010224A NL7010224A NL177945C NL 177945 C NL177945 C NL 177945C NL 7010224 A NL7010224 A NL 7010224A NL 7010224 A NL7010224 A NL 7010224A NL 177945 C NL177945 C NL 177945C
- Authority
- NL
- Netherlands
- Prior art keywords
- detection system
- object detection
- detection
- Prior art date
Links
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
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2477—Antenna or antenna activator circuit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
-
- 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
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2437—Tag layered structure, processes for making layered tags
-
- 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
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2437—Tag layered structure, processes for making layered tags
- G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
-
- 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
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84097369A | 1969-07-11 | 1969-07-11 | |
US88587469A | 1969-12-17 | 1969-12-17 | |
US5084070A | 1970-06-29 | 1970-06-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7010224A NL7010224A (en) | 1971-01-13 |
NL177945B NL177945B (en) | 1985-07-16 |
NL177945C true NL177945C (en) | 1985-12-16 |
Family
ID=27367841
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7010224A NL177945C (en) | 1969-07-11 | 1970-07-10 | OBJECT DETECTION SYSTEM. |
NL8401703A NL180359C (en) | 1969-07-11 | 1984-05-28 | DEVICE FOR GENERATING AN ELECTROMAGNETIC INTERVIEW FIELD IN A DETECTION AREA. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8401703A NL180359C (en) | 1969-07-11 | 1984-05-28 | DEVICE FOR GENERATING AN ELECTROMAGNETIC INTERVIEW FIELD IN A DETECTION AREA. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS511400B1 (en) |
DE (1) | DE2035356C3 (en) |
FR (1) | FR2055019A5 (en) |
GB (1) | GB1330481A (en) |
HK (1) | HK36077A (en) |
NL (2) | NL177945C (en) |
SE (1) | SE377387B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2161773B1 (en) * | 1971-11-29 | 1975-08-29 | See International | |
US4134538A (en) * | 1976-03-18 | 1979-01-16 | La Societe Metalimphy | Process and apparatus for identification of objects |
NL7708012A (en) * | 1977-07-19 | 1979-01-23 | Nedap Nv | DETECTION SYSTEM. |
GB2247382B (en) * | 1987-08-28 | 1992-08-12 | Sensormatic Electronics Corp | Antenna for use in an article surveillance system |
US5541577A (en) * | 1995-05-26 | 1996-07-30 | Consolidated Graphic Materials, Inc. | Electromagnetic asset protection system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR763681A (en) * | 1933-11-10 | 1934-05-04 | Method of locating objects by modifying a magnetic field | |
US3292080A (en) * | 1964-11-23 | 1966-12-13 | Emmanuel M Trikilis | System and method for preventing pilferage by detection of magnetic fields |
US3500373A (en) | 1966-05-06 | 1970-03-10 | Nat Bank Of North America The | Method and apparatus for article theft detection |
-
1970
- 1970-07-10 DE DE19702035356 patent/DE2035356C3/en not_active Expired
- 1970-07-10 GB GB3368870A patent/GB1330481A/en not_active Expired
- 1970-07-10 SE SE964570A patent/SE377387B/xx unknown
- 1970-07-10 NL NL7010224A patent/NL177945C/en not_active IP Right Cessation
- 1970-07-10 JP JP45060009A patent/JPS511400B1/ja active Pending
- 1970-07-10 FR FR7025727A patent/FR2055019A5/fr not_active Expired
-
1977
- 1977-07-07 HK HK36077A patent/HK36077A/en unknown
-
1984
- 1984-05-28 NL NL8401703A patent/NL180359C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL177945B (en) | 1985-07-16 |
DE2035356A1 (en) | 1971-02-04 |
DE2035356B2 (en) | 1977-06-08 |
HK36077A (en) | 1977-07-15 |
SE377387B (en) | 1975-06-30 |
GB1330481A (en) | 1973-09-19 |
DE2035356C3 (en) | 1984-06-28 |
NL7010224A (en) | 1971-01-13 |
NL180359C (en) | 1987-02-02 |
JPS511400B1 (en) | 1976-01-16 |
NL8401703A (en) | 1984-09-03 |
FR2055019A5 (en) | 1971-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
V4 | Lapsed because of reaching the maxim lifetime of a patent |