IT1110994B - Perfezionamento in o relativi a sistemi di rivelazione ottica - Google Patents
Perfezionamento in o relativi a sistemi di rivelazione otticaInfo
- Publication number
- IT1110994B IT1110994B IT19600/79A IT1960079A IT1110994B IT 1110994 B IT1110994 B IT 1110994B IT 19600/79 A IT19600/79 A IT 19600/79A IT 1960079 A IT1960079 A IT 1960079A IT 1110994 B IT1110994 B IT 1110994B
- Authority
- IT
- Italy
- Prior art keywords
- relating
- improvement
- optical detection
- detection systems
- systems
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 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
- G08B13/186—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 using light guides, e.g. optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB354278 | 1978-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7919600A0 IT7919600A0 (it) | 1979-01-25 |
| IT1110994B true IT1110994B (it) | 1986-01-13 |
Family
ID=9760288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19600/79A IT1110994B (it) | 1978-01-28 | 1979-01-25 | Perfezionamento in o relativi a sistemi di rivelazione ottica |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2903055A1 (it) |
| FR (1) | FR2415812A1 (it) |
| IT (1) | IT1110994B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3436030A1 (de) * | 1984-10-01 | 1986-04-17 | Peter 8000 München Schubert | Anordnung zur objektberuehrungs-ueberwachung |
| EP0617810B1 (de) * | 1991-12-21 | 1995-08-30 | HAL-Sicherheitstechnik GmbH | Einrichtung zum überwachen eines verschlusses |
| DE4242550C2 (de) * | 1991-12-21 | 1995-08-24 | Hirschmann Richard Gmbh Co | Einrichtung zum Überwachen eines Verschlusselements |
| DE4203850A1 (de) * | 1992-02-10 | 1993-08-12 | Reinhold Ott | Verfahren zum erkennen der lageaenderung eines gegenstandes und vorrichtung zur durchfuehrung des verfahrens |
| DE4242549C1 (de) * | 1992-12-16 | 1994-03-17 | Hirschmann Richard Gmbh Co | Einbruchmelderanordnung |
| DE19622495C2 (de) * | 1996-06-05 | 2003-12-18 | Ifm Electronic Gmbh | Fadenerkennungsgerät |
-
1979
- 1979-01-25 IT IT19600/79A patent/IT1110994B/it active
- 1979-01-25 FR FR7901912A patent/FR2415812A1/fr not_active Withdrawn
- 1979-01-26 DE DE19792903055 patent/DE2903055A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT7919600A0 (it) | 1979-01-25 |
| FR2415812A1 (fr) | 1979-08-24 |
| DE2903055A1 (de) | 1979-08-09 |
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