DE2148901A1 - Vorrichtung zum UEberwachen einer Zone auf Rauchentwicklung - Google Patents
Vorrichtung zum UEberwachen einer Zone auf RauchentwicklungInfo
- Publication number
- DE2148901A1 DE2148901A1 DE19712148901 DE2148901A DE2148901A1 DE 2148901 A1 DE2148901 A1 DE 2148901A1 DE 19712148901 DE19712148901 DE 19712148901 DE 2148901 A DE2148901 A DE 2148901A DE 2148901 A1 DE2148901 A1 DE 2148901A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- light source
- smoke
- zone
- signal
- 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.)
- Pending
Links
- 239000000779 smoke Substances 0.000 title claims description 28
- 238000012544 monitoring process Methods 0.000 title description 4
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 238000013021 overheating Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 description 12
- 238000002844 melting Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 5
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2007—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using radiant heat, e.g. infrared lamps, microwave heaters
-
- 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
- G08B17/107—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 for detecting light-scattering due to smoke
-
- 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
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7683570A | 1970-09-30 | 1970-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2148901A1 true DE2148901A1 (de) | 1972-04-06 |
Family
ID=22134472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712148901 Pending DE2148901A1 (de) | 1970-09-30 | 1971-09-30 | Vorrichtung zum UEberwachen einer Zone auf Rauchentwicklung |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2148901A1 (enExample) |
| FR (1) | FR2108118A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2321837A1 (de) * | 1973-04-30 | 1974-11-21 | Rank Xerox Ltd | Vorrichtung zur verhinderung des ausbreitens eines feuers in einem kopiergeraet |
| WO2008015243A1 (de) * | 2006-08-01 | 2008-02-07 | OCé PRINTING SYSTEMS GMBH | Vorrichtung und verfahren zum erkennen eines brandes in einer fixiereinheit eines druckers oder kopierers |
| DE102007002817A1 (de) * | 2007-01-18 | 2008-07-31 | OCé PRINTING SYSTEMS GMBH | Vorrichtung zum Erkennen eines Brandes in einem Fixiermodul eines elektrografischen Druck- oder Kopiergerätes |
-
1971
- 1971-09-30 DE DE19712148901 patent/DE2148901A1/de active Pending
- 1971-09-30 FR FR7135180A patent/FR2108118A1/fr not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2321837A1 (de) * | 1973-04-30 | 1974-11-21 | Rank Xerox Ltd | Vorrichtung zur verhinderung des ausbreitens eines feuers in einem kopiergeraet |
| WO2008015243A1 (de) * | 2006-08-01 | 2008-02-07 | OCé PRINTING SYSTEMS GMBH | Vorrichtung und verfahren zum erkennen eines brandes in einer fixiereinheit eines druckers oder kopierers |
| US7873288B2 (en) | 2006-08-01 | 2011-01-18 | Oce Printing Systems Gmbh | System and method for detecting a fire in a fixer unit of a printer or copier |
| DE102007002817A1 (de) * | 2007-01-18 | 2008-07-31 | OCé PRINTING SYSTEMS GMBH | Vorrichtung zum Erkennen eines Brandes in einem Fixiermodul eines elektrografischen Druck- oder Kopiergerätes |
| DE102007002817B4 (de) * | 2007-01-18 | 2011-06-01 | OCé PRINTING SYSTEMS GMBH | Vorrichtung zum Erkennen eines Brandes in einem Fixiermodul eines elektrografischen Druck- oder Kopiergerätes |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2108118A1 (enExample) | 1972-05-12 |
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