Title:
【発明の名称】セルラーホン位置探知システム
Document Type and Number:
Japanese Patent JP2843951
Kind Code:
B2
Abstract:
A cellular telephone location system for automatically recording the location of one or more mobile cellular telephones comprises three or more cell site systems 12. Each cell site system is located at a cell site of a cellular telephone system. Each cell site system includes an antenna that may be mounted on the same tower or building as the antenna employed by the cellular telephone system and equipment that may be housed in the equipment enclosure of the corresponding cell site. The cell site systems are coupled via T1 communication links 14 to a central site 16. The central site may be collocated with the cellular telephone system's MTSO. The central site 16 is further coupled to a database 20, which may be remotely located from the central site and made available to subscribers.
Inventors:
SUTEIRUPU RUISU EI
NAITO KAATEISU EI
UETSUBAA JON SHII
NAITO KAATEISU EI
UETSUBAA JON SHII
Application Number:
JP52538794A
Publication Date:
January 06, 1999
Filing Date:
January 19, 1994
Export Citation:
Assignee:
TORU HOJISHON INC
International Classes:
G01S3/02; G01S3/46; G01S5/06; H04W64/00; G01S1/02; G01S19/48; (IPC1-7): H04Q7/34
Domestic Patent References:
| JPH03235077A | 1991-10-21 | |||
| JPH02222330A | 1990-09-05 | |||
| JPH03258060A | 1991-11-18 | |||
| JPS63199528A | 1988-08-18 | |||
| JPH04351127A | 1992-12-04 | |||
| JPS6188356U | 1986-06-09 |
Attorney, Agent or Firm:
Koichiro Kato (2 outside)