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:
Jul. 04, 1995
Filed:
Jun. 17, 1993
Shogo Ayame, Fuchu, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A call charge management device in a private branch exchange system including a first private branch exchange installed in a first charge area and a second private branch exchange installed in a second charge area different from the first charge area, the first and second exchanges being connected through a private line. After a telephone call based on a call from a terminal accommodated in the first charge area has ended, the call charge management device receives information on a calling terminal number, call start time, communication time, outgoing path number and called terminal number, searches for a station area code corresponding to the outgoing path number of the information from a table where station area codes are stored in correspondence with outgoing path numbers, calculates a call charge on the basis of the searched station area code and the received information, and charges the calling terminal the calculated call charge.