FR1524818A - Improvements to manual keypad devices - Google Patents

Improvements to manual keypad devices

Info

Publication number
FR1524818A
FR1524818A FR108355A FR108355A FR1524818A FR 1524818 A FR1524818 A FR 1524818A FR 108355 A FR108355 A FR 108355A FR 108355 A FR108355 A FR 108355A FR 1524818 A FR1524818 A FR 1524818A
Authority
FR
France
Prior art keywords
keypad devices
manual keypad
manual
devices
keypad
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
FR108355A
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.)
Monotype Corp Ltd
Original Assignee
Monotype Corp Ltd
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 Monotype Corp Ltd filed Critical Monotype Corp Ltd
Application granted granted Critical
Publication of FR1524818A publication Critical patent/FR1524818A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/02—Energy stored by the attraction or repulsion of magnetic parts
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Cold Cathode And The Manufacture (AREA)
FR108355A 1966-06-01 1967-05-30 Improvements to manual keypad devices Expired FR1524818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2447066A GB1191663A (en) 1966-06-01 1966-06-01 Improvements in or relating to Manual Keyboard Devices

Publications (1)

Publication Number Publication Date
FR1524818A true FR1524818A (en) 1968-05-10

Family

ID=10212205

Family Applications (1)

Application Number Title Priority Date Filing Date
FR108355A Expired FR1524818A (en) 1966-06-01 1967-05-30 Improvements to manual keypad devices

Country Status (3)

Country Link
DE (1) DE1966762U (en)
FR (1) FR1524818A (en)
GB (1) GB1191663A (en)

Also Published As

Publication number Publication date
DE1966762U (en) 1967-08-24
GB1191663A (en) 1970-05-13

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