BE716753A - - Google Patents
Info
- Publication number
- BE716753A BE716753A BE716753DA BE716753A BE 716753 A BE716753 A BE 716753A BE 716753D A BE716753D A BE 716753DA BE 716753 A BE716753 A BE 716753A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Keying Circuit Devices (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64693367A | 1967-06-19 | 1967-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE716753A true BE716753A (en:Method) | 1968-12-02 |
Family
ID=24595049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE716753D BE716753A (en:Method) | 1967-06-19 | 1968-06-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3480939A (en:Method) |
| BE (1) | BE716753A (en:Method) |
| FR (1) | FR1570919A (en:Method) |
| GB (1) | GB1223716A (en:Method) |
| SE (1) | SE335692B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675654A (en) * | 1984-11-13 | 1987-06-23 | Copeland Bobby E | Alarm monitoring device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR749941A (fr) * | 1933-02-02 | 1933-08-01 | Asea Ab | Dispositif de signalisation verrouillée |
| FR824200A (fr) * | 1936-07-11 | 1938-02-02 | Siemens Ag | Relais permettant de commander simultanément plusieurs contacts |
| US2731627A (en) * | 1953-03-10 | 1956-01-17 | Bogue Elec Mfg Co | Thermocouple monitoring system |
| US3287717A (en) * | 1962-07-30 | 1966-11-22 | Compudyne Corp | Static annunciator with acknowledgment and ring back |
-
1967
- 1967-06-19 US US646933A patent/US3480939A/en not_active Expired - Lifetime
-
1968
- 1968-06-07 GB GB27182/68A patent/GB1223716A/en not_active Expired
- 1968-06-18 BE BE716753D patent/BE716753A/xx unknown
- 1968-06-19 FR FR1570919D patent/FR1570919A/fr not_active Expired
- 1968-06-19 SE SE08340/68A patent/SE335692B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE335692B (en:Method) | 1971-06-01 |
| FR1570919A (en:Method) | 1969-06-13 |
| US3480939A (en) | 1969-11-25 |
| GB1223716A (en) | 1971-03-03 |