JPS4866794A - - Google Patents
Info
- Publication number
- JPS4866794A JPS4866794A JP47125130A JP12513072A JPS4866794A JP S4866794 A JPS4866794 A JP S4866794A JP 47125130 A JP47125130 A JP 47125130A JP 12513072 A JP12513072 A JP 12513072A JP S4866794 A JPS4866794 A JP S4866794A
- Authority
- JP
- Japan
- 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
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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20746171A | 1971-12-13 | 1971-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4866794A true JPS4866794A (https=) | 1973-09-12 |
Family
ID=22770642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47125130A Pending JPS4866794A (https=) | 1971-12-13 | 1972-12-13 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3789383A (https=) |
| JP (1) | JPS4866794A (https=) |
| AU (1) | AU462064B2 (https=) |
| DE (1) | DE2251046B2 (https=) |
| FR (1) | FR2165480A5 (https=) |
| GB (1) | GB1395245A (https=) |
| SE (1) | SE385057B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987358A (en) * | 1972-01-26 | 1976-10-19 | The Walter Kidde & Company, Inc. | Condition detector circuit |
| US3898553A (en) * | 1974-04-26 | 1975-08-05 | Rca Corp | Circuit for supplying power to a load |
| US4206456A (en) * | 1975-06-23 | 1980-06-03 | Chloride Incorporated | Smoke detector |
| DE2965448D1 (en) * | 1978-09-29 | 1983-07-07 | Chubb Fire Security Ltd | Heat detector circuit |
| WO1989007814A1 (en) * | 1988-02-16 | 1989-08-24 | Myers Holdings Pty Ltd; | Security system for an environment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2069160A (en) * | 1933-09-01 | 1937-01-26 | Kidde & Co Walter | Regulated voltage system for detecting suspended matter in fluids |
| US2415179A (en) * | 1944-09-23 | 1947-02-04 | Jr Samuel C Hurley | Photoelectric inspection device |
| US3314058A (en) * | 1964-01-13 | 1967-04-11 | Aseco Inc | Electronic smoke detector and fire alarm |
| US3403315A (en) * | 1965-10-22 | 1968-09-24 | Smith Corp A O | Condition responsive control circuit connected to gate a triggered switch |
| US3467817A (en) * | 1967-02-23 | 1969-09-16 | West Bend Co | Temperature control circuit |
-
1971
- 1971-12-13 US US00207461A patent/US3789383A/en not_active Expired - Lifetime
-
1972
- 1972-10-16 GB GB4759072A patent/GB1395245A/en not_active Expired
- 1972-10-18 DE DE2251046A patent/DE2251046B2/de active Pending
- 1972-10-18 AU AU47866/72A patent/AU462064B2/en not_active Expired
- 1972-12-12 FR FR7244165A patent/FR2165480A5/fr not_active Expired
- 1972-12-13 JP JP47125130A patent/JPS4866794A/ja active Pending
- 1972-12-22 SE SE7216215A patent/SE385057B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE385057B (sv) | 1976-05-31 |
| US3789383A (en) | 1974-01-29 |
| FR2165480A5 (https=) | 1973-08-03 |
| AU462064B2 (en) | 1975-06-12 |
| AU4786672A (en) | 1974-04-26 |
| GB1395245A (en) | 1975-05-21 |
| DE2251046B2 (de) | 1975-08-14 |
| DE2251046A1 (de) | 1973-06-20 |