ZA948177B - Electronic antenna switching system - Google Patents
Electronic antenna switching systemInfo
- 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
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)
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 (fr) |
FR (1) | FR2712443A1 (fr) |
WO (1) | WO1995013668A1 (fr) |
ZA (1) | ZA948177B (fr) |
Families Citing this family (8)
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 (fr) * | 2014-12-29 | 2016-07-06 | Thomson Licensing | Agencement de commutation d'antenne et dispositif correspondant |
Family Cites Families (6)
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 |
-
1994
- 1994-09-29 AU AU79208/94A patent/AU7920894A/en not_active Abandoned
- 1994-09-29 WO PCT/US1994/010950 patent/WO1995013668A1/fr unknown
- 1994-10-18 ZA ZA948177A patent/ZA948177B/xx unknown
- 1994-11-07 FR FR9413271A patent/FR2712443A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2712443A1 (fr) | 1995-05-19 |
WO1995013668A1 (fr) | 1995-05-18 |
AU7920894A (en) | 1995-05-29 |
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