Title:
【発明の名称】圏外警報装置および圏外警報方法
Document Type and Number:
Japanese Patent JP3057830
Kind Code:
B2
More Like This:
Inventors:
Susumu Kojima
Application Number:
JP21125791A
Publication Date:
July 04, 2000
Filing Date:
August 23, 1991
Export Citation:
Assignee:
NEC
International Classes:
H04B7/26; (IPC1-7): H04Q7/38
Domestic Patent References:
| JP60124132A | ||||
| JP623536A | ||||
| JP1314442A | ||||
| JP62125037U | ||||
| JP59166539U | ||||
| JP56167653U | ||||
| JP2113450U |
Attorney, Agent or Firm:
Naoki Kyomoto