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United States Patent | 5,590,397 |
Kojima | December 31, 1996 |
In a radio telephone scheme in which each of radio systems transmits a system identification code, and each radio system offers a service for a radio terminal, system identification codes of a plurality of radio systems, from which a user gets the service, and selection priorities corresponding to the system identification codes are stored. When a plurality of stored identification codes are received, a radio system having a system identification code, of the stored system identification codes, which corresponds to a highest selection priority is selected.
Inventors: | Kojima; Susumu (Tokyo, JP) |
Assignee: |
NEC Corporation
(Tokyo,
JP)
|
Appl. No.: | 08/354,107 |
Filed: | December 6, 1994 |
Dec 17, 1993 [JP] | 5-317585 | |||
Current U.S. Class: | 455/417 ; 455/186.1; 455/433; 455/525 |
Current International Class: | H04Q 7/32 (20060101); H04Q 7/38 (20060101); H04Q 007/00 () |
Field of Search: | 455/33.1,33.4,89,185.1,186.1,186.2,54.2,33.2,34.1,54.1,62 379/59,58 |
4916728 | April 1990 | Blair |
5020091 | May 1991 | Krolopp et al. |
5020093 | May 1991 | Pireh |
5101500 | March 1992 | Marui |
5159625 | October 1992 | Zicker |
5261117 | November 1993 | Olson |
5276905 | January 1994 | Hurst et al. |
5437053 | July 1995 | Sawa et al. |
5442806 | August 1995 | Barber et al. |
5444765 | August 1995 | Marui et al. |
5448619 | September 1995 | Evans et al. |
0563898 | Oct., 1993 | EP | |||
2225512 | May., 1990 | GB | |||
2271917 | Dec., 1992 | GB | |||
GB Search Report; Feb. 17, 1995. . "Mobile Station--Land Station Compatibility Specification", by American National Standard, ANSI/ELA/TIA-553, 1989, 10 pages.. |