BE338849A - - Google Patents
Info
- Publication number
- BE338849A BE338849A BE338849DA BE338849A BE 338849 A BE338849 A BE 338849A BE 338849D A BE338849D A BE 338849DA BE 338849 A BE338849 A BE 338849A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
- H01H35/144—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch operated by vibration
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1645825A GB258669A (en) | 1925-06-25 | 1925-06-25 | An improved burglar alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE338849A true BE338849A (en) |
Family
ID=10077689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE338849D BE338849A (en) | 1925-06-25 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE338849A (en) |
| GB (1) | GB258669A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3038151A (en) * | 1960-04-21 | 1962-06-05 | Elliott & Evans Inc | Wave-actuated signal |
| US3138793A (en) * | 1961-03-29 | 1964-06-23 | Philco Corp | Electric circuit control unit |
| US4100539A (en) * | 1977-01-31 | 1978-07-11 | Marine Resources, Inc. | Burglar alarm for door knob |
| GB8320713D0 (en) * | 1983-08-01 | 1983-09-01 | Valier Grossman M | Audio warning system for door/window |
-
0
- BE BE338849D patent/BE338849A/xx unknown
-
1925
- 1925-06-25 GB GB1645825A patent/GB258669A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB258669A (en) | 1926-09-27 |