ZA948177B - Electronic antenna switching system - Google Patents

Electronic antenna switching system

Info

Publication number
ZA948177B
ZA948177B ZA948177A ZA948177A ZA948177B ZA 948177 B ZA948177 B ZA 948177B ZA 948177 A ZA948177 A ZA 948177A ZA 948177 A ZA948177 A ZA 948177A ZA 948177 B ZA948177 B ZA 948177B
Authority
ZA
South Africa
Prior art keywords
switching system
antenna switching
electronic antenna
electronic
switching
Prior art date
Application number
ZA948177A
Inventor
Mark Pennock
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of ZA948177B publication Critical patent/ZA948177B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
ZA948177A 1993-11-09 1994-10-18 Electronic antenna switching system ZA948177B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14944393A 1993-11-09 1993-11-09

Publications (1)

Publication Number Publication Date
ZA948177B true ZA948177B (en) 1995-06-08

Family

ID=22530302

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA948177A ZA948177B (en) 1993-11-09 1994-10-18 Electronic antenna switching system

Country Status (4)

Country Link
AU (1) AU7920894A (en)
FR (1) FR2712443A1 (en)
WO (1) WO1995013668A1 (en)
ZA (1) ZA948177B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488649A (en) 1994-05-06 1996-01-30 Motorola, Inc. Method for validating a communication link
US5852421A (en) * 1996-04-02 1998-12-22 Qualcomm Incorporated Dual-band antenna coupler for a portable radiotelephone
GB2317993A (en) * 1996-10-02 1998-04-08 Ico Services Ltd Antenna switching means for portable radio apparatus
US6486835B1 (en) * 2001-01-31 2002-11-26 Nokia Mobile Phones, Ltd. Method and apparatus for detecting physical position of a retractable antenna
US7440785B2 (en) * 2003-03-07 2008-10-21 Nortel Networks Limited Method and apparatus for enhancing link range in a wireless network using self-configurable antenna
TWI292257B (en) 2006-03-09 2008-01-01 Wistron Corp Wireless communication module capable of switching an internal antenna module and an external antenna module
MY181663A (en) 2011-12-16 2020-12-31 Mimos Berhad A system and method to detect and switch between internal and external antennas
EP3041149A1 (en) * 2014-12-29 2016-07-06 Thomson Licensing Antenna switching arrangement and corresponding device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076155A (en) * 1962-05-31 1963-01-29 Carlyle V Parker Electronic rf switch
US4803447A (en) * 1988-02-29 1989-02-07 Motorola, Inc. Three terminal remotely controlled SPDT antenna switch
US4987392A (en) * 1988-10-17 1991-01-22 Motorola, Inc. Gallium arsenide antenna switch
US5047674A (en) * 1988-10-17 1991-09-10 Motorola, Inc. Gallium arsenide antenna switch having voltage multiplier bias circuit
US5103195A (en) * 1989-10-13 1992-04-07 Hewlett-Packard Company Hybrid gaas mmic fet-pin diode switch
US5060293A (en) * 1989-10-20 1991-10-22 Motorola, Inc. Antenna switch for transmit-receive operation using relays and diodes

Also Published As

Publication number Publication date
FR2712443A1 (en) 1995-05-19
AU7920894A (en) 1995-05-29
WO1995013668A1 (en) 1995-05-18

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