FR732912A - Improvements to buttons for electric bells with indicator light - Google Patents
Improvements to buttons for electric bells with indicator lightInfo
- Publication number
- FR732912A FR732912A FR732912DA FR732912A FR 732912 A FR732912 A FR 732912A FR 732912D A FR732912D A FR 732912DA FR 732912 A FR732912 A FR 732912A
- Authority
- FR
- France
- Prior art keywords
- buttons
- indicator light
- electric bells
- bells
- electric
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB732912X | 1931-03-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR732912A true FR732912A (en) | 1932-09-28 |
Family
ID=10495612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR732912D Expired FR732912A (en) | 1931-03-28 | 1932-03-10 | Improvements to buttons for electric bells with indicator light |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR732912A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1138844B (en) * | 1960-01-18 | 1962-10-31 | Busch Jaeger Duerener Metall | Push button switch with extension piece |
DE1168526B (en) * | 1962-10-20 | 1964-04-23 | Siemens Ag | Arrangement for the extension of the ram drives for electrical switchgear |
DE1665140B1 (en) * | 1967-05-10 | 1970-08-06 | Metzenauer & Jung Gmbh | Aid for the installation of a switching device from the element to be adjusted and actuation button in a housing, control panel or the like. |
-
1932
- 1932-03-10 FR FR732912D patent/FR732912A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1138844B (en) * | 1960-01-18 | 1962-10-31 | Busch Jaeger Duerener Metall | Push button switch with extension piece |
DE1168526B (en) * | 1962-10-20 | 1964-04-23 | Siemens Ag | Arrangement for the extension of the ram drives for electrical switchgear |
DE1665140B1 (en) * | 1967-05-10 | 1970-08-06 | Metzenauer & Jung Gmbh | Aid for the installation of a switching device from the element to be adjusted and actuation button in a housing, control panel or the like. |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR732912A (en) | Improvements to buttons for electric bells with indicator light | |
FR41396E (en) | Improvements to faucets | |
FR725364A (en) | Improvements to the boats | |
FR721042A (en) | Jacket crown improvements | |
FR727637A (en) | Elevator improvements | |
FR726819A (en) | Improvements to light boats | |
FR721531A (en) | Improvements relating to forced-blow furnaces | |
FR740743A (en) | Improvements to electrical warning devices | |
FR719082A (en) | Improvements made to hand saws | |
FR734707A (en) | Improvements to hand-operated vices | |
FR725778A (en) | Improvements to electrical remote controls | |
FR735474A (en) | Improvements to circular looms | |
FR737351A (en) | Improvements to circular looms | |
FR725213A (en) | Improvements to stereoscopes | |
FR714526A (en) | Improvements to the mechanisms to be calculated | |
FR720118A (en) | Improvements to taps | |
FR723939A (en) | Improvements made to switches | |
FR753681A (en) | Improvements to electric hoists | |
FR727510A (en) | Improvements to mechanical razors | |
FR716554A (en) | Improvements to mechanical razors | |
FR712929A (en) | Improvements to mechanical razors | |
FR740606A (en) | Telegraphone Improvements | |
FR710990A (en) | Improvements to mercury switches | |
FR40099E (en) | Improvements to films | |
FR40329E (en) | Improvements to films |