FR672389A - Interrupteur à temps pour éclairage d'escaliers - Google Patents

Interrupteur à temps pour éclairage d'escaliers

Info

Publication number
FR672389A
FR672389A FR672389DA FR672389A FR 672389 A FR672389 A FR 672389A FR 672389D A FR672389D A FR 672389DA FR 672389 A FR672389 A FR 672389A
Authority
FR
France
Prior art keywords
time switch
staircase lighting
staircase
lighting
switch
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
Application number
Other languages
English (en)
Inventor
Erik Artur Fagerlund
Hugo Theodor Tillquist
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 filed Critical
Application granted granted Critical
Publication of FR672389A publication Critical patent/FR672389A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/30—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action
    • H01H43/301—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material
    • H01H43/302—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies
    • H01H43/303—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies of one single solid body, e.g. hot wire
FR672389D 1927-03-22 1929-03-30 Interrupteur à temps pour éclairage d'escaliers Expired FR672389A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1769126X 1927-03-22

Publications (1)

Publication Number Publication Date
FR672389A true FR672389A (fr) 1929-12-27

Family

ID=7742495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR672389D Expired FR672389A (fr) 1927-03-22 1929-03-30 Interrupteur à temps pour éclairage d'escaliers

Country Status (5)

Country Link
US (1) US1769126A (fr)
BE (1) BE362613A (fr)
CH (1) CH142859A (fr)
FR (1) FR672389A (fr)
NL (1) NL25291C (fr)

Also Published As

Publication number Publication date
US1769126A (en) 1930-07-01
NL25291C (fr)
BE362613A (fr)
CH142859A (de) 1930-10-15

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