Title:
【発明の名称】デジタルトーン発生回路
Document Type and Number:
Japanese Patent JP2921286
Kind Code:
B2
Inventors:
MARUOKA TATSURO
Application Number:
JP23108692A
Publication Date:
July 19, 1999
Filing Date:
August 31, 1992
Export Citation:
Assignee:
NIPPON DENKI KK
International Classes:
H04Q1/444; H04Q3/545; H04Q11/04; (IPC1-7): H04Q11/04; H04Q1/444
Domestic Patent References:
| JP6324797A | ||||
| JP5762688A | ||||
| JP6085657A | ||||
| JP6160058A | ||||
| JP63222570A |
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)