NL265773A - - Google Patents
Info
- Publication number
- NL265773A NL265773A NL265773DA NL265773A NL 265773 A NL265773 A NL 265773A NL 265773D A NL265773D A NL 265773DA NL 265773 A NL265773 A NL 265773A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
- G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2025360 | 1960-06-09 | ||
| GB4239160 | 1960-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL265773A true NL265773A (en) | 1900-01-01 |
Family
ID=26254557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL265773D NL265773A (en) | 1960-06-09 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE604675A (en) |
| CH (1) | CH376808A (en) |
| DE (1) | DE1247180B (en) |
| NL (1) | NL265773A (en) |
| SE (1) | SE312089B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2149167B (en) * | 1983-11-04 | 1987-04-08 | Graviner Ltd | Electrical circuit arrangements in fire alarms |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944111C (en) * | 1953-04-03 | 1956-06-07 | Anders Mathisen | Temperature change detector |
| DE960320C (en) * | 1954-05-07 | 1957-03-21 | Graviner Manufacturing Co | Temperature sensors, as well as methods and devices for their production |
| NL213762A (en) * | 1956-01-17 |
-
0
- NL NL265773D patent/NL265773A/xx unknown
-
1961
- 1961-06-06 BE BE604675A patent/BE604675A/en unknown
- 1961-06-06 DE DEG32420A patent/DE1247180B/en active Pending
- 1961-06-07 SE SE5979/61A patent/SE312089B/xx unknown
- 1961-06-08 CH CH669861A patent/CH376808A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE312089B (en) | 1969-06-30 |
| BE604675A (en) | 1961-10-02 |
| CH376808A (en) | 1964-04-15 |
| DE1247180B (en) | 1967-08-10 |