NL6809085A - - Google Patents
Info
- Publication number
- NL6809085A NL6809085A NL6809085A NL6809085A NL6809085A NL 6809085 A NL6809085 A NL 6809085A NL 6809085 A NL6809085 A NL 6809085A NL 6809085 A NL6809085 A NL 6809085A NL 6809085 A NL6809085 A NL 6809085A
- Authority
- NL
- Netherlands
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
- G08B13/24—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
- G08B13/2405—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 characterised by the tag technology used
- G08B13/2408—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 characterised by the tag technology used using ferromagnetic tags
-
- 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
- G08B13/24—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2953367 | 1967-06-27 | ||
| GB5021867A GB1234762A (en) | 1967-06-27 | 1967-06-27 | Detection apparatus |
| GB3714667 | 1967-08-12 | ||
| GB4322067 | 1967-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6809085A true NL6809085A (https=) | 1968-12-30 |
Family
ID=27448766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6809085A NL6809085A (https=) | 1967-06-27 | 1968-06-27 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE717228A (https=) |
| CH (1) | CH495596A (https=) |
| DE (1) | DE1774444A1 (https=) |
| FR (1) | FR1571102A (https=) |
| GB (1) | GB1234762A (https=) |
| LU (1) | LU56333A1 (https=) |
| NL (1) | NL6809085A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2154350A (en) * | 1984-02-17 | 1985-09-04 | Standard Telephones Cables Ltd | Preventing misuse of information stored on computer tapes and the like |
-
1967
- 1967-06-27 GB GB5021867A patent/GB1234762A/en not_active Expired
-
1968
- 1968-06-20 DE DE19681774444 patent/DE1774444A1/de active Pending
- 1968-06-25 LU LU56333D patent/LU56333A1/xx unknown
- 1968-06-26 FR FR1571102D patent/FR1571102A/fr not_active Expired
- 1968-06-27 NL NL6809085A patent/NL6809085A/xx unknown
- 1968-06-27 BE BE717228D patent/BE717228A/xx unknown
- 1968-06-27 CH CH960968A patent/CH495596A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| LU56333A1 (https=) | 1968-09-30 |
| FR1571102A (https=) | 1969-06-13 |
| DE1774444A1 (de) | 1971-06-24 |
| CH495596A (fr) | 1970-08-31 |
| GB1234762A (en) | 1971-06-09 |
| BE717228A (https=) | 1968-12-02 |