FR1480496A - Precision magnetic switch, especially for keyboard - Google Patents

Precision magnetic switch, especially for keyboard

Info

Publication number
FR1480496A
FR1480496A FR61343A FR61343A FR1480496A FR 1480496 A FR1480496 A FR 1480496A FR 61343 A FR61343 A FR 61343A FR 61343 A FR61343 A FR 61343A FR 1480496 A FR1480496 A FR 1480496A
Authority
FR
France
Prior art keywords
keyboard
magnetic switch
precision magnetic
precision
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
FR61343A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Navigation Computer Corp
Original Assignee
Navigation Computer Corp
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
Priority claimed from US456091A external-priority patent/US3251962A/en
Application filed by Navigation Computer Corp filed Critical Navigation Computer Corp
Priority to FR61343A priority Critical patent/FR1480496A/en
Application granted granted Critical
Publication of FR1480496A publication Critical patent/FR1480496A/en
Expired legal-status Critical Current

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
    • H01H36/008—Change of magnetic field wherein the magnet and switch are fixed, e.g. by shielding or relative movements of armature
    • 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
FR61343A 1965-05-17 1966-05-12 Precision magnetic switch, especially for keyboard Expired FR1480496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR61343A FR1480496A (en) 1965-05-17 1966-05-12 Precision magnetic switch, especially for keyboard

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US456091A US3251962A (en) 1965-05-17 1965-05-17 Precision magnetic keyboard switch
FR61343A FR1480496A (en) 1965-05-17 1966-05-12 Precision magnetic switch, especially for keyboard

Publications (1)

Publication Number Publication Date
FR1480496A true FR1480496A (en) 1967-05-12

Family

ID=26170621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR61343A Expired FR1480496A (en) 1965-05-17 1966-05-12 Precision magnetic switch, especially for keyboard

Country Status (1)

Country Link
FR (1) FR1480496A (en)

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