having a plurality of operating members associated with different sets of contacts, e.g. keyboard

Full Title

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

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES

Child Classifications

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• H01H 13/702 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
• H01H 13/72 wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
• H01H 13/76 wherein some or all of the operating members actuate different combinations of the contact sets, e.g. ten operating members actuating different combinations of four contact sets
• H01H 13/78 characterised by the contacts or the contact sites
• H01H 13/81 characterised by electrical connections to external devices
• H01H 13/82 characterised by contact space venting means
• H01H 13/83 characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
• H01H 13/84 characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
• H01H 13/86 characterised by the casing, e.g. sealed casings or casings reducible in size
• H01H 13/88 Processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards