FR2202619A7 - - Google Patents
Info
- Publication number
- FR2202619A7 FR2202619A7 FR7335297A FR7335297A FR2202619A7 FR 2202619 A7 FR2202619 A7 FR 2202619A7 FR 7335297 A FR7335297 A FR 7335297A FR 7335297 A FR7335297 A FR 7335297A FR 2202619 A7 FR2202619 A7 FR 2202619A7
- Authority
- FR
- France
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2249079 | 1972-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2202619A7 true FR2202619A7 (de) | 1974-05-03 |
Family
ID=5858343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7335297A Expired FR2202619A7 (de) | 1972-10-06 | 1973-10-03 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2202619A7 (de) |
IT (1) | IT993991B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2418505A1 (fr) * | 1978-02-27 | 1979-09-21 | Labo Electronique Physique | Systeme de surveillance d'emplacements |
-
1973
- 1973-10-03 IT IT2967373A patent/IT993991B/it active
- 1973-10-03 FR FR7335297A patent/FR2202619A7/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2418505A1 (fr) * | 1978-02-27 | 1979-09-21 | Labo Electronique Physique | Systeme de surveillance d'emplacements |
Also Published As
Publication number | Publication date |
---|---|
IT993991B (it) | 1975-09-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |