Title:
【発明の名称】ノーリンギング通信対応電話機の着信回路
Document Type and Number:
Japanese Patent JP2831187
Kind Code:
B2
Inventors:
SUKAI NAOKI
Application Number:
JP33182891A
Publication Date:
December 02, 1998
Filing Date:
December 16, 1991
Export Citation:
Assignee:
ANRITSU KK
International Classes:
H04M11/00; H04M17/00; (IPC1-7): H04M11/00; H04M17/00
Attorney, Agent or Firm:
Takehiko Suzue