Telephone system and telecommunication method and apparatus automatically forming directory and indicating message and battery status

U.S. Patent Number: 5812645

Abstract: A telephone system is controlled by an information processor which is capable of receiving and transmitting signals that indicate various operating states of the telephone unit. According to one aspect of the invention, the information processor formulates a telephone directory based on dial information, that is, information indicative of a number called and further determines both the start time and end time of a message based on a detected state of a telephone handset. According to another feature of the invention, data communication may be conducted normally even if an inadvertent call is made during transmission.

Inventors: Onosaka; Kazunobu (Tokyo, JP)

Assignee: Sony Corporation (Tokyo, JP)

Application Number: 08/703,839

Issued: 1998-09-22

Expired: 2006-09-22

Classes: 379/93.23 ; 379/93.17; 379/93.19; 379/93.24

Field of search: 379/96,97,98,93,100,354,355,356,357,442,131,93.23,93.17,93.19,93.21,93.24,93.25

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