Patent · US Expired

Message storage security system

US5136648A · kind A · utility

37Cited by
17References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 1990
Grant dateAug 4, 1992
Priority date
Expiry dateSep 5, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2203/609
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A voice message system having a plurality of user voice mailboxes is disclosed. The voice message system utilizes a method in which a message is encrypted using a unique encrypting key corresponding to a designated user. The encrypted message is then stored in one location while the encrypting key is stored in another location. The encrypted message is retrieved by the designated user by utilizing a decrypting key which corresponds to the stored encrypting key. The decrypted message is then played by the designated user.

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