GB0510733D0 - A light beam alarm - Google Patents
A light beam alarmInfo
- Publication number
- GB0510733D0 GB0510733D0 GBGB0510733.9A GB0510733A GB0510733D0 GB 0510733 D0 GB0510733 D0 GB 0510733D0 GB 0510733 A GB0510733 A GB 0510733A GB 0510733 D0 GB0510733 D0 GB 0510733D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- light beam
- beam alarm
- alarm
- light
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/20—Calibration, including self-calibrating arrangements
- G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Optics & Photonics (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0411859.2A GB0411859D0 (en) | 2004-05-27 | 2004-05-27 | A light beam smoke detector |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0510733D0 true GB0510733D0 (en) | 2005-06-29 |
| GB2414549A GB2414549A (en) | 2005-11-30 |
| GB2414549B GB2414549B (en) | 2006-10-11 |
Family
ID=32671168
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB0411859.2A Ceased GB0411859D0 (en) | 2004-05-27 | 2004-05-27 | A light beam smoke detector |
| GB0510733A Active GB2414549B (en) | 2004-05-27 | 2005-05-26 | A light beam alarm |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB0411859.2A Ceased GB0411859D0 (en) | 2004-05-27 | 2004-05-27 | A light beam smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB0411859D0 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010053750A1 (en) | 2009-12-30 | 2011-07-07 | Prüftechnik Dieter Busch AG, 85737 | Adjustment method and adjustment device for the light source of an alignment device |
| CN104715561B (en) * | 2013-12-11 | 2017-03-01 | 苏州热工研究院有限公司 | The infrared emission fire detecting system in Spent Fuel Pool room and its installation method |
| GB2551373B (en) * | 2016-06-16 | 2019-11-06 | Ffe Ltd | Beam alignment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1327231A (en) * | 1970-01-07 | 1973-08-15 | Nat Res Dev | Fire detecting apparatus |
| JPH05289003A (en) * | 1992-04-11 | 1993-11-05 | Sony Corp | Optical spatial transmission equipment |
| JPH07271417A (en) * | 1993-04-05 | 1995-10-20 | Nikki Denso Kk | Positioning control system |
| JP3376116B2 (en) * | 1994-08-22 | 2003-02-10 | 関西国際空港株式会社 | Separate type dimmable smoke detector with remote control optical axis adjustment function and fire receiving system using the same |
| JPH08223117A (en) * | 1995-02-08 | 1996-08-30 | Sony Corp | Optical space transmission equipment |
| JPH09115077A (en) * | 1995-10-13 | 1997-05-02 | Nohmi Bosai Ltd | Photoelectric sensor |
| US6271758B1 (en) * | 1997-05-29 | 2001-08-07 | Hochiki Corporation | Light projection device for a photoelectric smoke sensor |
| JPH11122179A (en) * | 1997-10-09 | 1999-04-30 | Seiko Epson Corp | Space light transmitter and space light transmission method |
-
2004
- 2004-05-27 GB GBGB0411859.2A patent/GB0411859D0/en not_active Ceased
-
2005
- 2005-05-26 GB GB0510733A patent/GB2414549B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| GB2414549B (en) | 2006-10-11 |
| GB0411859D0 (en) | 2004-06-30 |
| GB2414549A (en) | 2005-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 20110223 |
|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20200526 |
|
| S28 | Restoration of ceased patents (sect. 28/pat. act 1977) |
Free format text: APPLICATION FILED |
|
| S28 | Restoration of ceased patents (sect. 28/pat. act 1977) |
Free format text: RESTORATION ALLOWED Effective date: 20210524 |