IT1119619B - Dispositivo di sorveglianza prinicpalmente per la protezione contro le effrazioni il furto ecc. - Google Patents
Dispositivo di sorveglianza prinicpalmente per la protezione contro le effrazioni il furto ecc.Info
- Publication number
- IT1119619B IT1119619B IT69432/79A IT6943279A IT1119619B IT 1119619 B IT1119619 B IT 1119619B IT 69432/79 A IT69432/79 A IT 69432/79A IT 6943279 A IT6943279 A IT 6943279A IT 1119619 B IT1119619 B IT 1119619B
- Authority
- IT
- Italy
- Prior art keywords
- photodetector
- source
- light barrier
- antitheft device
- photodiode
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 abstract 1
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT69432/79A IT1119619B (it) | 1979-12-18 | 1979-12-18 | Dispositivo di sorveglianza prinicpalmente per la protezione contro le effrazioni il furto ecc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT69432/79A IT1119619B (it) | 1979-12-18 | 1979-12-18 | Dispositivo di sorveglianza prinicpalmente per la protezione contro le effrazioni il furto ecc. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7969432A0 IT7969432A0 (it) | 1979-12-18 |
IT1119619B true IT1119619B (it) | 1986-03-10 |
Family
ID=11312114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT69432/79A IT1119619B (it) | 1979-12-18 | 1979-12-18 | Dispositivo di sorveglianza prinicpalmente per la protezione contro le effrazioni il furto ecc. |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1119619B (it) |
-
1979
- 1979-12-18 IT IT69432/79A patent/IT1119619B/it active
Also Published As
Publication number | Publication date |
---|---|
IT7969432A0 (it) | 1979-12-18 |
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