Patent · US Expired

Apparatus with deletion safeguard for setting a number of data in temporary deletion state and independently releasing or deleting any one of the data

US5488720A · kind A · utility

5Cited by
11References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 8, 1995
Grant dateJan 30, 1996
Priority date
Expiry dateFeb 8, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99931
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An improved small electronic apparatus such as an electronic organizer is disclosed. In the apparatus, data to be kept stored is prevented from being erroneously deleted. This apparatus comprises: a memory, a plurality of input keys; a temporary deletion element for, when a first predetermined key operation is performed, setting desired data which is stored in the memory into a temporary deletion state; a deletion element for, when a second predetermined key operation is performed, deleting the data which has been set into the temporary deletion state from the memory; and a release element for, when a third predetermined key operation is performed, releasing the temporary deletion state of the data which has been set into the temporary deletion state.

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