FR525752A - Electric lamp theft alarm device - Google Patents
Electric lamp theft alarm deviceInfo
- Publication number
- FR525752A FR525752A FR525752A FR525752DA FR525752A FR 525752 A FR525752 A FR 525752A FR 525752 A FR525752 A FR 525752A FR 525752D A FR525752D A FR 525752DA FR 525752 A FR525752 A FR 525752A
- Authority
- FR
- France
- Prior art keywords
- alarm device
- electric lamp
- theft alarm
- theft
- lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/945—Holders with built-in electrical component
- H01R33/96—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling
- H01R33/962—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling for screw type coupling devices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT525752X | 1919-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR525752A true FR525752A (en) | 1921-09-27 |
Family
ID=11277266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR525752A Expired FR525752A (en) | 1919-10-14 | 1920-10-09 | Electric lamp theft alarm device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR525752A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3090948A (en) * | 1961-10-31 | 1963-05-21 | Norman C Cremer | Receptacle plug to protect appliance theft |
-
1920
- 1920-10-09 FR FR525752A patent/FR525752A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3090948A (en) * | 1961-10-31 | 1963-05-21 | Norman C Cremer | Receptacle plug to protect appliance theft |
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