USO0RE40910E
(19) United States (12) Reissued Patent
(10) Patent Number:
Aoki et a]. (54)
US RE40,910 E
(45) Date of Reissued Patent:
Sep. 8, 2009
MOBILE COMMUNICATION TERMINAL EQUIPMENT USABLE FOR BOTH
5,327,572 A 5,369,803 A
* 7/1994 Freeburg .................. .. 455/427 * 11/1994 Hirasawa et a1. .. 455/571
SATELLITE AND TERRESTRIAL
5,533,097 A
*
COMMUNICATIONS
7/1996 Crane et a1. ............... .. 455/552
FOREIGN PATENT DOCUMENTS
(75) Inventors: Katsuhiko Aoki, Hyogo (IP); Makio Tsuchlya, Hyogo (JP), Se1ya Inoue,
CA
2073336
9/1991
JP
4123534
M1992
Hyogo (JP) (73) Assignee: Mitsubishi Denki Kabushiki Kaisha,
TOKYO (JP)
OTHER PUBLICATIONS
Del Re, “An Integrated Satellite£ellular Land Mobile Sys tem for Europe”, Sep. 1989.*
(21) A_PP1' N05 09/112,020 (22) Flledi Jul- 8-1 1998
“Cellular System DualiMode Mobile StationiBase Station Compatibility Standard”, EIA/TIA Interim Standard, Tele communications Industry Association, pp. 257*274, Apr.
Related US Patent Documents Reissue of:
(64)
(30)
1992*
Patent NO _
5 535 430
Issued._ " Appl. No.:
’ Jul. 9,’ 1996 08/208,707
Filed:
Mar. 11, 1994
Mar. 18, 1993
H04B 15/00
(200601)
,,
* cited by examiner _
_
_
Prlmary ExammeriQuochlén B Vuong _ (74) Attorney, Agent, or FzrmiRothwell, Frgg, Ernst &
(JP) ........................................... .. 5-058612
(2006.01) (200601)
.
Tra?ic Terminals) IESS*307 Rev. B, Mar. 12, 1991.*
Foreign Application Priority Data
(51) Int. Cl. H04M 1/00 H043 7/185
.
Intelsat TDMA/DSI System Specr?catrons , (TDMA/DSI
Manbeck
(57)
ABSTRACT
A mobile communication terminal equipment is mounted in a vehicle and can utilize both the satellite and terrestrial
communication systems. The mobile communication termi (52)
(58)
US. Cl. .................... .. 455/552.1; 455/ 12.1; 455/62; 455/557 Field of Classi?cation Search ............... .. 455/121,
455/13.1, 62, 427, 428, 552.1, 553.1, 563, 455/575.1, 575.9, 90.3, 344, 345, 556.1, 455/557
nal equipment includes a satellite transceiver and a portable set. The satellite transceiver has a satellite transmission/ reception Circuit AS required, the Portable Set is discon nected from the satellite transceiver to be carried by the user.
The portable set includes a terrestrial transmission/reception circuit, a signal input/output circuit and a connection select
See application ?le for complete search history.
ing sWitch. The connection selecting sWitch is automatically
References Cited
tively to one of the satellite and terrestrial transmission/
(56)
controlled to connect the signal input/output circuit selec
reception circuits. When the satellite transmission/reception circuit is in connection With the signal input/output circuit,
U.S. PATENT DOCUMENTS
the communication through the satellite Wireless communi 4,873,711 A
* 10/1989
4,989,230 A
Roberts et a1. ............ .. 455/412
1/1991 Gillig et a1.
5,175,872 A
* 12/1992
Borras ...................... .. 455/426
5,179,360 A
*
1/1993
Suzuki
5,187,809 A
*
2/1993 Rich et a1.
5,303,286 A
*
4/1994
5,303,393 A
*
4/1994
.... .. 455/83
455/571
455/12.1 Noreen et a1. ............ .. 455/12.1
cation system can be carried out. When the terrestrial
transmission/reception circuit is connected to the signal input/output circuit, the communication through the terres trial Wireless communication system can be carried out.
Wiedeman .... ..
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