Title:
【発明の名称】任意波形発生装置
Document Type and Number:
Japanese Patent JP3220136
Kind Code:
B2
Inventors:
Takao Harakawa
Minoru Hirata
Minoru Hirata
Application Number:
JP23399590A
Publication Date:
October 22, 2001
Filing Date:
September 04, 1990
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H04M3/02; H04M19/02; (IPC1-7): H04M3/02; H04M19/02
Attorney, Agent or Firm:
Yoshihiko Izumi