CH20071A - Device for opening door locks by making electrical contact - Google Patents

Device for opening door locks by making electrical contact

Info

Publication number
CH20071A
CH20071A CH20071A CH20071DA CH20071A CH 20071 A CH20071 A CH 20071A CH 20071 A CH20071 A CH 20071A CH 20071D A CH20071D A CH 20071DA CH 20071 A CH20071 A CH 20071A
Authority
CH
Switzerland
Prior art keywords
electrical contact
opening door
making electrical
door locks
locks
Prior art date
Application number
CH20071A
Other languages
German (de)
Inventor
Karl Gerstmann
Valentin Gallion
Original Assignee
Karl Gerstmann
Valentin Gallion
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Karl Gerstmann, Valentin Gallion filed Critical Karl Gerstmann
Publication of CH20071A publication Critical patent/CH20071A/en

Links

CH20071A 1899-08-23 1899-08-23 Device for opening door locks by making electrical contact CH20071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH20071T 1899-08-23

Publications (1)

Publication Number Publication Date
CH20071A true CH20071A (en) 1900-11-15

Family

ID=4223710

Family Applications (1)

Application Number Title Priority Date Filing Date
CH20071A CH20071A (en) 1899-08-23 1899-08-23 Device for opening door locks by making electrical contact

Country Status (1)

Country Link
CH (1) CH20071A (en)

Similar Documents

Publication Publication Date Title
CH42607A (en) Device for watertight locking of electrical rotary switches
CH56987A (en) Device for closing drains
CH49691A (en) Device for indicating the unauthorized opening of a lock
CH50797A (en) Device for locking open door leaves
DE225844C (en) METHOD FOR PRODUCING GAS BATHS
CH63511A (en) Device for securing the key in the door lock
CH44490A (en) Device for locking keyholes to prevent unauthorized opening of the locks
CH49029A (en) Process and device for cooling water
CH67070A (en) Device for opening and closing window sashes
CH53199A (en) Device for fixing doors in different positions to the door frame
CH42998A (en) Device for locking window sashes in different opening positions
CH34444A (en) Device for locking the handle of latch locks on doors
CH50925A (en) Device for locking window sashes
CH54287A (en) Device for opening and closing toilet lids
CH38938A (en) Device for displaying changes in state by means of the electric current
GB190614401A (en) Improvements in Apparatus for the Arresting and Depositing of Fumes from Ores.
AT46213B (en) Device for electrolytic electroplating of mass-produced articles.
CH50037A (en) Device for pressing the closing organs of rooms, in particular for pressing the doors of gasification chambers against an abutment surrounding the opening to be closed
CH65636A (en) Electric alarm device to prevent locks from being opened
CH18162A (en) Device for locking the window sash
CH38986A (en) Electric alarm device for door locks
CH31670A (en) Device for securing doors against unauthorized opening
CH32006A (en) Device for closing electrical circuits arranged on a vehicle
CH43643A (en) Envelope with device for indicating an attempt to open its flap
AU935507A (en) Improvements in apparatus for washing 1 or extracting minerals