Title:
【発明の名称】極性検出回路
Document Type and Number:
Japanese Patent JP2669014
Kind Code:
B2
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Inventors:
Temple Saki Yu
Application Number:
JP30313288A
Publication Date:
October 27, 1997
Filing Date:
November 29, 1988
Export Citation:
Assignee:
NEC
International Classes:
H04M3/22; G01R19/14; H02H11/00; H04M7/00; H04Q3/42; (IPC1-7): H04Q3/42; G01R19/14; H02H11/00; H04M3/22; H04M7/00
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)