NL77725C - - Google Patents
Info
- Publication number
- NL77725C NL77725C NL77725DA NL77725C NL 77725 C NL77725 C NL 77725C NL 77725D A NL77725D A NL 77725DA NL 77725 C NL77725 C NL 77725C
- 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
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Thermally Actuated Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2589869X | 1949-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77725C true NL77725C (zh) |
Family
ID=10910932
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676712147A NL152212B (nl) | 1949-03-11 | Containerschip. | |
| NL77725D NL77725C (zh) | 1949-03-11 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676712147A NL152212B (nl) | 1949-03-11 | Containerschip. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2589869A (zh) |
| DE (1) | DE896162C (zh) |
| FR (1) | FR1030561A (zh) |
| NL (2) | NL77725C (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894251A (en) * | 1954-10-18 | 1959-07-07 | Speed Dev Company Ltd | Temperature change responsive means for controlling electric circuits |
| GB789598A (en) * | 1954-10-22 | 1958-01-22 | Sangamo Weston | Improvements in or relating to temperature detecting arrangements more particularly fire detectors |
| GB863813A (en) * | 1957-05-01 | 1961-03-29 | Speed Dev Company Ltd | Improvements in temperature alarm systems |
| DE102009016154A1 (de) * | 2009-04-03 | 2010-10-14 | Hekatron Vertriebs Gmbh | Thermogeneratoranordnung, thermischer Schalter und Verfahren zum Betreiben einer elektrischen Vorrichtung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1443165A (en) * | 1923-01-23 | Electric signaling and contbolling appabattts | ||
| US2127343A (en) * | 1929-10-03 | 1938-08-16 | Kellogg Switchboard & Supply | Annunciator system |
| US2219391A (en) * | 1936-08-06 | 1940-10-29 | Mine Safety Appliances Co | Combustible gas alarm and control |
| US2376920A (en) * | 1944-06-19 | 1945-05-29 | Edison Inc Thomas A | Fire alarm system |
| US2473940A (en) * | 1945-11-20 | 1949-06-21 | Edison Inc Thomas A | Fire alarm system |
-
0
- NL NL676712147A patent/NL152212B/xx unknown
- NL NL77725D patent/NL77725C/xx active
-
1949
- 1949-10-22 US US122887A patent/US2589869A/en not_active Expired - Lifetime
-
1950
- 1950-03-10 FR FR1030561D patent/FR1030561A/fr not_active Expired
- 1950-03-12 DE DES2165A patent/DE896162C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2589869A (en) | 1952-03-18 |
| DE896162C (de) | 1953-11-09 |
| NL152212B (nl) | |
| FR1030561A (fr) | 1953-06-15 |