NL7010779A - - Google Patents
Info
- Publication number
- NL7010779A NL7010779A NL7010779A NL7010779A NL7010779A NL 7010779 A NL7010779 A NL 7010779A NL 7010779 A NL7010779 A NL 7010779A NL 7010779 A NL7010779 A NL 7010779A NL 7010779 A NL7010779 A NL 7010779A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/12—Provision for actuation of an alarm
- G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
-
- 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
- G01N27/64—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
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- 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
-
- 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
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5797969 | 1969-07-24 | ||
| JP6683969A JPS4819118B1 (nl) | 1969-08-26 | 1969-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7010779A true NL7010779A (nl) | 1971-01-26 |
Family
ID=26399064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7010779A NL7010779A (nl) | 1969-07-24 | 1970-07-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3688119A (nl) |
| CH (1) | CH526178A (nl) |
| DE (1) | DE2036447B2 (nl) |
| FR (1) | FR2055543A5 (nl) |
| GB (1) | GB1282536A (nl) |
| IL (1) | IL35151A (nl) |
| NL (1) | NL7010779A (nl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812362A (en) * | 1973-07-02 | 1974-05-21 | Honeywell Inc | Smoke detector circuit |
| CH586941A5 (nl) * | 1975-07-25 | 1977-04-15 | Cerberus Ag | |
| US4228429A (en) * | 1977-12-29 | 1980-10-14 | Ricoh Company, Ltd. | Alarm system having phase-sensitive bridge circuit |
| US4401979A (en) * | 1981-02-11 | 1983-08-30 | General Signal Corporation | Electrical controls for ionization smoke detector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516083A (en) * | 1965-12-02 | 1970-06-02 | Denske Securitas As | Electric alarm system,preferably for a fire alarm |
| JPS446089Y1 (nl) * | 1966-03-30 | 1969-03-05 |
-
1970
- 1970-07-21 NL NL7010779A patent/NL7010779A/xx unknown
- 1970-07-22 DE DE19702036447 patent/DE2036447B2/de active Pending
- 1970-07-22 CH CH1112370A patent/CH526178A/de not_active IP Right Cessation
- 1970-07-23 FR FR7027246A patent/FR2055543A5/fr not_active Expired
- 1970-07-23 US US57554A patent/US3688119A/en not_active Expired - Lifetime
- 1970-07-24 GB GB35971/70A patent/GB1282536A/en not_active Expired
- 1970-08-23 IL IL35151A patent/IL35151A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH526178A (de) | 1972-07-31 |
| GB1282536A (en) | 1972-07-19 |
| DE2036447A1 (de) | 1971-02-25 |
| DE2036447B2 (de) | 1972-03-02 |
| IL35151A (en) | 1973-08-29 |
| IL35151A0 (en) | 1970-10-30 |
| US3688119A (en) | 1972-08-29 |
| FR2055543A5 (nl) | 1971-05-07 |