Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
  • B41J5/00—Devices or arrangements for controlling character selection
  • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
• • 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
  • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
  • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
  • H01H13/60—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force with contact-driving member moved alternately in opposite directions
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
  • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
  • H03K17/965—Switches controlled by moving an element forming part of the switch
  • H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
  • H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard

Applications Claiming Priority (1)

Publications (1)

Family

ID=5813817

Family Applications (1)

Country Status (10)

Families Citing this family (1)

• 0
  • BE BE788731D patent/BE788731A/en unknown
• 1971
  • 1971-07-15 DE DE19712135440 patent/DE2135440C3/en not_active Expired
• 1972
  • 1972-06-23 AU AU43828/72A patent/AU468000B2/en not_active Expired
  • 1972-07-03 DD DD16414772A patent/DD97803A5/xx unknown
  • 1972-07-06 IT IT2668372A patent/IT962475B/en active
  • 1972-07-12 CH CH1041372A patent/CH540529A/en not_active IP Right Cessation
  • 1972-07-13 GB GB3273472A patent/GB1340305A/en not_active Expired
  • 1972-07-13 DK DK349172A patent/DK130092B/en unknown
  • 1972-07-13 FR FR7225413A patent/FR2146057A5/fr not_active Expired
  • 1972-07-15 ES ES404909A patent/ES404909A1/en not_active Expired

Also Published As

Similar Documents