CH563630A5 - - Google Patents
Info
- Publication number
- CH563630A5 CH563630A5 CH1747273A CH1747273A CH563630A5 CH 563630 A5 CH563630 A5 CH 563630A5 CH 1747273 A CH1747273 A CH 1747273A CH 1747273 A CH1747273 A CH 1747273A CH 563630 A5 CH563630 A5 CH 563630A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. 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
- G08B17/103—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
Landscapes
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972142726U JPS5545506Y2 (it) | 1972-12-14 | 1972-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH563630A5 true CH563630A5 (it) | 1975-06-30 |
Family
ID=15322143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1747273A CH563630A5 (it) | 1972-12-14 | 1973-12-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3887815A (it) |
| JP (1) | JPS5545506Y2 (it) |
| CH (1) | CH563630A5 (it) |
| DE (1) | DE2361403C3 (it) |
| FR (1) | FR2211128A5 (it) |
| GB (1) | GB1417790A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH568627A5 (it) * | 1974-07-15 | 1975-10-31 | Cerberus Ag | |
| US4198627A (en) * | 1977-07-12 | 1980-04-15 | Cybernet Electronics Corporation | Photoelectric synchronous smoke sensor |
| US4125779A (en) * | 1977-07-13 | 1978-11-14 | Chloride, Incorporated | Smoke detector |
| US4193069A (en) * | 1978-03-13 | 1980-03-11 | American District Telegraph Company | Latching alarm smoke detector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702447A (en) * | 1968-07-01 | 1972-11-07 | Xerox Corp | Electronic chopper system for use in facsimile communication comprising means for alternately grounding and ungrounding inputs of amplifier |
| US3655289A (en) * | 1971-01-22 | 1972-04-11 | Susquehanna Corp | Opacity meter with noise suppression |
| GB1409653A (en) * | 1971-09-23 | 1975-10-08 | Masson Scott Thrissell Eng Ltd | Methods and apparatus for inspecting the surface of sheet material |
-
1972
- 1972-12-14 JP JP1972142726U patent/JPS5545506Y2/ja not_active Expired
-
1973
- 1973-11-15 GB GB5298273A patent/GB1417790A/en not_active Expired
- 1973-12-10 FR FR7344023A patent/FR2211128A5/fr not_active Expired
- 1973-12-10 DE DE2361403A patent/DE2361403C3/de not_active Expired
- 1973-12-10 US US423530A patent/US3887815A/en not_active Expired - Lifetime
- 1973-12-13 CH CH1747273A patent/CH563630A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1417790A (en) | 1975-12-17 |
| FR2211128A5 (it) | 1974-07-12 |
| DE2361403B2 (de) | 1975-01-09 |
| US3887815A (en) | 1975-06-03 |
| JPS5545506Y2 (it) | 1980-10-24 |
| DE2361403A1 (de) | 1974-06-27 |
| DE2361403C3 (de) | 1975-08-21 |
| JPS4996891U (it) | 1974-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |