FR625120A - Contact device for electrical signal installations - Google Patents

Contact device for electrical signal installations

Info

Publication number
FR625120A
FR625120A FR625120DA FR625120A FR 625120 A FR625120 A FR 625120A FR 625120D A FR625120D A FR 625120DA FR 625120 A FR625120 A FR 625120A
Authority
FR
France
Prior art keywords
electrical signal
contact device
signal installations
installations
contact
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
French (fr)
Inventor
Leopold Rado
Julius Modern
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 FR625120A publication Critical patent/FR625120A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
    • H01H3/141—Cushion or mat switches
FR625120D 1926-08-25 1926-11-25 Contact device for electrical signal installations Expired FR625120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT270172X 1926-08-25

Publications (1)

Publication Number Publication Date
FR625120A true FR625120A (en) 1927-08-03

Family

ID=3670505

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625120D Expired FR625120A (en) 1926-08-25 1926-11-25 Contact device for electrical signal installations

Country Status (2)

Country Link
FR (1) FR625120A (en)
GB (1) GB270172A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583813A (en) * 1950-09-28 1952-01-29 Murray M Fibus Mat control for door opening mechanisms
US2700080A (en) * 1954-01-18 1955-01-18 Stanley Works Electric mat switch
GB9226217D0 (en) * 1992-12-16 1993-02-10 Secretary Fo State For Defence Vehicle intruder detection device

Also Published As

Publication number Publication date
GB270172A (en) 1927-05-05

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