Title:
【発明の名称】公衆電話機
Document Type and Number:
Japanese Patent JP2881357
Kind Code:
B2
Abstract:
A call control apparatus for a pay phone includes a reading unit, a calculating unit, and a call enable unit. The reading unit reads out value information of an inserted card. The calculating unit calculates a call time corresponding to a ratio of the value information to a unit call fee when the value information read out by the reading unit does not reach the unit call fee. The call enable unit allows a call service by the call time calculated by the calculating unit.
Inventors:
EDA SHIGEHIRO
Application Number:
JP16186992A
Publication Date:
April 12, 1999
Filing Date:
May 29, 1992
Export Citation:
Assignee:
TAMURA DENKI SEISAKUSHO KK
International Classes:
H04M17/02; H04M15/02; H04M15/30; H04M17/00; (IPC1-7): H04M17/02; H04M15/02; H04M15/30
Domestic Patent References:
| JP4137855A | ||||
| JP61141256A | ||||
| JP215773A |
Attorney, Agent or Firm:
Masaki Yamakawa