Title:
【発明の名称】構内用電話機
Document Type and Number:
Japanese Patent JP3066011
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To provide a private branch telephone set which is used in a hotel, an inn, a hospital, etc., and does not need a card timer device for charging, also, whose use state is quickly read from the outside and also, which surely reads a signal so that malfunction can not take place. SOLUTION: This private branch telephone set installed in each room in the premises is provided with a speech communication destination detecting means which inputs a dial signal into the telephone set and detects a speech communication destination, an operating means operating calling charge, a speech communication time detecting means detecting the speech communication time of speech communication and a storing means storing these data, reads data stored in the storing means on the basis of a command signal by a managing device from an outside line of the telephone set and is provided with a carrying means which transfers the read data to the managing device through the outside line.
Inventors:
Sadao Ito
Application Number:
JP9449599A
Publication Date:
July 17, 2000
Filing Date:
April 01, 1999
Export Citation:
Assignee:
Nobuo Ito
International Classes:
H04M15/00; H04M1/00; H04M1/677; H04M1/715; H04M15/28; H04M15/30; H04M15/34; (IPC1-7): H04M15/34; H04M1/00; H04M1/677; H04M15/30
Domestic Patent References:
| JP936989A | ||||
| JP8331298A | ||||
| JP4207558A | ||||
| JP200069204A | ||||
| JP6214849U |
Attorney, Agent or Firm:
Eiichi Ohara (1 person outside)