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Dual-mode satellite/cellular phone with a frequency synthesizer 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/40
출원번호 US-0305780 (1994-09-14)
발명자 / 주소
  • Dent Paul W. (Stehags SEX)
출원인 / 주소
  • Ericsson GE Mobile Communications Inc. (Research Triangle Park NC 02)
인용정보 피인용 횟수 : 189  인용 특허 : 0

초록 ▼

A radio telephone which is capable of switching between operating through a land based cellular network and an orbiting satellite system is disclosed. First antenna and radio frequency circuits receive transmitted signals from the land-based network and form first conditioned signals for subsequent

대표청구항 ▼

A radio telephone device with the capability of switching between operating through a land-based cellular network and an orbiting satellite system, comprising; first antenna and first radio frequency means for receiving transmitted signals from said land-based cellular network and forming first cond

이 특허를 인용한 특허 (189)

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  167. Feher,Kamilo, TDMA, spread spectrum RF agile filtered signal transmission.
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  168. Feher, Kamilo, TV internet and cellular mobile communication.
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  169. Yamada Jun,JPX ; Callahan Kevin ; Jacobs Charles A., Telephone handset for operating in a plurality of wireless telephone system.
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  170. Feher, Kamilo, Television mobile internet system.
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  171. Feher, Kamilo, Time constrained signal MIMO wireless and wired communication method.
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  172. Feher, Kamilo, Touch screen generated processed signals in multiple communication systems and networks.
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  173. Feher, Kamilo, Touch screen multiple input multiple output (MIMO) multimode wireless communication.
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  174. Feher, Kamilo, Touch screen, location finder, GSM, EDGE, CDMA cellular and OFDM, Wi-Fi system.
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  175. Kimppa, Harri, Transceiver for transmitting and receiving an RF signal on at least two frequency ranges.
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  176. Feher, Kamilo, Transceivers digital mobile communications.
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  177. Feher, Kamilo, Transmission of signals in cellular systems and in mobile networks.
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  178. Boos, Zdravko, Transmitter and transceiver, in particular for mobile radio, and transmission method.
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  179. Boesch Ronald D. ; Dolman Rodney A., Tuning bandwidth minimization for low voltage dual band receiver.
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  180. Feher, Kamilo, UMTS wired and wireless mobile 2G, 3G, 4G, 5G and other new generations of cellular, mobile.
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  181. Feher, Kamilo, Video mobile communication system.
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  182. Feher, Kamilo, Video multimode multimedia data communication systems.
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  183. Feher, Kamilo, Video, voice and location finder wireless communication system.
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  184. Feher, Kamilo, VoIP multimode WLAN, Wi-Fi, GSM, EDGE, TDMA, spread spectrum, CDMA systems.
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  185. Feher, Kamilo, Voice, location finder, modulation format selectable Wi-Fi, cellular mobile systems.
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  186. Feher, Kamilo, Wi-Fi, GPS and MIMO systems.
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  187. Feher, Kamilo, Wired and wireless 4G and 3G cellular, mobile and RFID systems.
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  188. Chun, Craig C. M., Wireless operational and testing communications network for diverse platform types.
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  189. Kornby Michael,SEX, Wireless terminal.
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