JPS4812680B1 - - Google Patents
Info
- Publication number
- JPS4812680B1 JPS4812680B1 JP45091918A JP9191870A JPS4812680B1 JP S4812680 B1 JPS4812680 B1 JP S4812680B1 JP 45091918 A JP45091918 A JP 45091918A JP 9191870 A JP9191870 A JP 9191870A JP S4812680 B1 JPS4812680 B1 JP S4812680B1
- 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
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
- G01N27/70—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas and measuring current or voltage
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Business, Economics & Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Emergency Management (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire Alarms (AREA)
- Electrostatic Separation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87221069A | 1969-10-29 | 1969-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4812680B1 true JPS4812680B1 (en, 2012) | 1973-04-21 |
Family
ID=25359074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45091918A Pending JPS4812680B1 (en, 2012) | 1969-10-29 | 1970-10-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3728615A (en, 2012) |
| JP (1) | JPS4812680B1 (en, 2012) |
| CH (1) | CH529400A (en, 2012) |
| DE (1) | DE2048817A1 (en, 2012) |
| GB (1) | GB1295498A (en, 2012) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742475A (en) * | 1971-03-16 | 1973-06-26 | Tif Instr Inc | Gaseous impurity detector employing corona discharge phenomenon |
| US3949390A (en) * | 1974-06-05 | 1976-04-06 | Rca Corporation | High voltage aerosol detector |
| US4011507A (en) * | 1975-11-10 | 1977-03-08 | Burroughs Corporation | Full cycle current detector |
| FR2408837A1 (fr) * | 1977-11-15 | 1979-06-08 | Collard Jean Claude | Detecteur de gaz de combustion a ionisation par haute tension |
| US4387369A (en) * | 1978-10-11 | 1983-06-07 | Johnson Controls, Inc. | Broad spectrum charged electric field polar gas sensing and detection system |
| US4254414A (en) * | 1979-03-22 | 1981-03-03 | The United States Of America As Represented By The Secretary Of The Navy | Processor-aided fire detector |
| US4306230A (en) * | 1979-12-10 | 1981-12-15 | Honeywell Inc. | Self-checking photoelectric smoke detector |
| US4404516A (en) * | 1980-10-29 | 1983-09-13 | Johnson Jr Victor R | System for detecting leaks from liquid-containing reservoirs and conduits |
| DE3220434A1 (de) * | 1982-05-29 | 1983-12-01 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur ueberwachung einer messgroesse |
| FR2528980A1 (fr) * | 1982-06-17 | 1983-12-23 | Pgep | Detecteur de niveau d'ionisation d'un milieu gazeux controle par arc electrique |
| FR2561778B1 (fr) * | 1984-03-26 | 1988-06-24 | Professional General Elect | Detecteur electronique de particules chargees pour la detection d'incendie |
| JPS6139194A (ja) * | 1984-07-31 | 1986-02-25 | ホーチキ株式会社 | 火災警報装置 |
| US4774472A (en) * | 1986-03-24 | 1988-09-27 | The Simco Company, Inc. | Apparatus for method to test efficiency of air ionizers and method for determining ability of an air ionizer to sustain a potential difference between an isolated object and a reference potential |
| US4910463A (en) * | 1987-12-17 | 1990-03-20 | Sentech Corporation | Halogen monitoring apparatus |
| US5198774A (en) * | 1987-12-17 | 1993-03-30 | Williams Ii William J | Gas monitoring apparatus |
| US5347223A (en) * | 1993-01-22 | 1994-09-13 | J And N Associates, Inc. | Gas leak detector sensing tip with interior concentric bores and corona current generation |
| DE4402518C2 (de) * | 1994-01-28 | 1997-10-23 | Preussag Ag Minimax | Ionisationsrauchmelder |
| US5475311A (en) * | 1994-05-03 | 1995-12-12 | Motorola, Inc. | Ionization gas analyzer and method |
| US5539381A (en) * | 1994-11-14 | 1996-07-23 | Sentrol, Inc. | Fixed threshold and rate of rise heat detector with dynamic thermal reference |
| US5574434A (en) * | 1995-08-11 | 1996-11-12 | Liu; Hung-Chang | Alarm for heat multistaged detecting |
| EP0820045A3 (de) * | 1996-07-18 | 1999-10-13 | Siemens Aktiengesellschaft | Isonisationsrauchmelder |
| US20050224240A1 (en) * | 2002-03-01 | 2005-10-13 | Cosgrove John J | Fire detection and suppression apparatus |
| US6642838B1 (en) | 2002-10-31 | 2003-11-04 | Charles A. Barnas | Safety system for automobiles |
| CN106362506B (zh) * | 2016-11-29 | 2018-06-15 | 中国烟草总公司郑州烟草研究院 | 一种全烟气暴露实验烟气废气排放装置及排放方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2369499A (en) * | 1945-02-13 | Apparatus fob measuring rate of | ||
| US2493543A (en) * | 1947-09-08 | 1950-01-03 | Brush Dev Co | Monitoring system of comparator type |
| US2755999A (en) * | 1952-05-17 | 1956-07-24 | Gen Motors Corp | Temperature measuring and control apparatus |
| US2954474A (en) * | 1955-04-01 | 1960-09-27 | Nat Res Corp | Measuring |
| US3497805A (en) * | 1960-02-18 | 1970-02-24 | Bausch & Lomb | Circuit including a constant amplitude pulse generator for adjusting the amplitude of pulses produced by a transducer |
| US3350703A (en) * | 1964-07-17 | 1967-10-31 | Johnson Williams Inc | Gas concentration detection apparatus |
| US3460125A (en) * | 1964-12-10 | 1969-08-05 | Thermal Ind Of Florida Inc | Method and apparatus for detecting gaseous impurities |
| US3445757A (en) * | 1965-10-14 | 1969-05-20 | Mc Donnell Douglas Corp | Capillary ionization gas detector and analyzer using timed interval current fluctuations |
| US3439261A (en) * | 1966-09-30 | 1969-04-15 | Gen Electric | Combustible gas detector using a corona discharge |
-
1969
- 1969-10-29 US US00872210A patent/US3728615A/en not_active Expired - Lifetime
-
1970
- 1970-10-05 DE DE19702048817 patent/DE2048817A1/de active Pending
- 1970-10-07 GB GB1295498D patent/GB1295498A/en not_active Expired
- 1970-10-20 JP JP45091918A patent/JPS4812680B1/ja active Pending
- 1970-10-28 CH CH1591970A patent/CH529400A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US3728615A (en) | 1973-04-17 |
| GB1295498A (en, 2012) | 1972-11-08 |
| CH529400A (de) | 1972-10-15 |
| DE2048817A1 (de) | 1971-05-06 |