The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 1994
Filed:
Feb. 11, 1992
Hitachi, Ltd., Tokyo, JP;
Abstract
An address management system which is integrally compatible to an plurality of communication services and a plurality of communication application programs, and a communication terminal which utilizes such an address management system are disclosed. The address management system comprises type of communication service table and address management table which stores a number of identification information of communication destinations and types of communication services available to the communication destinations and associated communication addresses, a request acceptance unit for accepting a communication address inquiry request command, a type of communication service discrimination unit which discriminates a type of communication service which the communication application program of the communication address inquiry requestor uses, a communication address retrieval unit which searches the address management table to retrieve a communication address in accordance with identification information of the communication address inquiry request and the discriminated type of communication service, and a response unit which sends the retrieved communication address back to the communication address inquiry requestor. A proper communication address can be obtained by merely designating the terminal name of the destination terminal by the communication application program without identifying the type of communication service.