CH403923A - Keypad with protective tube contacts - Google Patents

Keypad with protective tube contacts

Info

Publication number
CH403923A
CH403923A CH213164A CH213164A CH403923A CH 403923 A CH403923 A CH 403923A CH 213164 A CH213164 A CH 213164A CH 213164 A CH213164 A CH 213164A CH 403923 A CH403923 A CH 403923A
Authority
CH
Switzerland
Prior art keywords
keypad
protective tube
tube contacts
contacts
protective
Prior art date
Application number
CH213164A
Other languages
German (de)
Inventor
Tschachtli Rudolf
Nuoffer Bernard
Original Assignee
Autophon Ag
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 Autophon Ag filed Critical Autophon Ag
Priority to CH213164A priority Critical patent/CH403923A/en
Priority to FR1708A priority patent/FR1420314A/en
Priority to BE658295D priority patent/BE658295A/xx
Priority to DE1965A0023115 priority patent/DE1972092U/en
Publication of CH403923A publication Critical patent/CH403923A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/004—Permanent magnet actuating reed switches push-button-operated, e.g. for keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/008—Change of magnetic field wherein the magnet and switch are fixed, e.g. by shielding or relative movements of armature
CH213164A 1964-02-21 1964-02-21 Keypad with protective tube contacts CH403923A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH213164A CH403923A (en) 1964-02-21 1964-02-21 Keypad with protective tube contacts
FR1708A FR1420314A (en) 1964-02-21 1965-01-13 Keyboard including protective tube contacts
BE658295D BE658295A (en) 1964-02-21 1965-01-14
DE1965A0023115 DE1972092U (en) 1964-02-21 1965-01-18 KEYBOARD WITH PROTECTIVE TUBE CONTACTS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH213164A CH403923A (en) 1964-02-21 1964-02-21 Keypad with protective tube contacts

Publications (1)

Publication Number Publication Date
CH403923A true CH403923A (en) 1965-12-15

Family

ID=4226597

Family Applications (1)

Application Number Title Priority Date Filing Date
CH213164A CH403923A (en) 1964-02-21 1964-02-21 Keypad with protective tube contacts

Country Status (4)

Country Link
BE (1) BE658295A (en)
CH (1) CH403923A (en)
DE (1) DE1972092U (en)
FR (1) FR1420314A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392483A1 (en) * 1977-05-25 1978-12-22 Renault MAGNETIC CONTROLLED CONTACTOR

Also Published As

Publication number Publication date
DE1972092U (en) 1967-11-09
BE658295A (en) 1965-04-30
FR1420314A (en) 1965-12-03

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