Patent · US Expired

Electronic wallet

US5221838A · kind A · utility

931Cited by
13References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1992
Grant dateJun 22, 1993
Priority date
Expiry dateOct 20, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07F7/0886
  • WIPO fieldIT methods for management
  • WIPO sectorElectrical engineering

Abstract

An electronic wallet includes memory for storing at least a balance corresponding to an account in a financial institution, and a selective call receiver for receiving a wireless message transmitted from a remote transmitter, the wireless message including financial information relating to the balance for confirming a financial transaction with the financial institution. A controller, coupled to the memory and to the receiver, can update the balance in the memory in response to the wireless message. communication system enters financial transactions into the communication system from one of a plurality of associated portable data devices, and updates the financial transactions from the communication system to the one and to at least a second of the plurality of associated portable data devices via wireless message communication from at least one remote transmitter.

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