BE416599A - - Google Patents
Info
- Publication number
- BE416599A BE416599A BE416599DA BE416599A BE 416599 A BE416599 A BE 416599A BE 416599D A BE416599D A BE 416599DA BE 416599 A BE416599 A BE 416599A
- Authority
- BE
- Belgium
- Prior art keywords
- cell
- cells
- resistance
- relay
- illuminated
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE416599A true BE416599A (enrdf_load_stackoverflow) |
Family
ID=79488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE416599D BE416599A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE416599A (enrdf_load_stackoverflow) |
-
0
- BE BE416599D patent/BE416599A/fr unknown
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