Patent · US Expired

Keyboard actuator with catch hooks and weakened portion

US5614702A · kind A · utility

2Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 1994
Grant dateMar 25, 1997
Priority date
Expiry dateFeb 14, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2231/006
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A keyboard for a fully electronic, microcomputer-controlled commercial scale with call-up memory, in particular for self-service or quick-service purposes, comprises a keyboard consisting of a plurality of individual keys with actuating elements, whereby symbols and/or alphanumerical characters are assigned to the individual keys. The keyboard has a guide plate with a plurality of individual keys arranged at a certain grid distance from each other. The guide plate is provided over its entire surface with actuating elements for the individual keys.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.