JPH0411393Y2 - - Google Patents
Info
- Publication number
- JPH0411393Y2 JPH0411393Y2 JP1984010742U JP1074284U JPH0411393Y2 JP H0411393 Y2 JPH0411393 Y2 JP H0411393Y2 JP 1984010742 U JP1984010742 U JP 1984010742U JP 1074284 U JP1074284 U JP 1074284U JP H0411393 Y2 JPH0411393 Y2 JP H0411393Y2
- Authority
- JP
- Japan
- Prior art keywords
- diode
- capacitor
- impedance
- circuit
- antenna
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 1
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
- H04B1/40—Circuits
- H04B1/44—Transmit/receive 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
- H04B1/44—Transmit/receive switching
- H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984010742U JPS60124146U (ja) | 1984-01-27 | 1984-01-27 | 空中線切換回路 |
US06/694,884 US4677688A (en) | 1984-01-27 | 1985-01-25 | Radio transceiver including an antenna switching circuit |
CA000472836A CA1233881A (en) | 1984-01-27 | 1985-01-25 | Radio transceiver including an antenna switching circuit |
EP85300552A EP0151014B1 (en) | 1984-01-27 | 1985-01-28 | Radio transceiver including an antenna switching circuit |
DE8585300552T DE3560931D1 (en) | 1984-01-27 | 1985-01-28 | Radio transceiver including an antenna switching circuit |
AU38131/85A AU577239B2 (en) | 1984-01-27 | 1985-01-29 | Transceiver aerial switching circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984010742U JPS60124146U (ja) | 1984-01-27 | 1984-01-27 | 空中線切換回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60124146U JPS60124146U (ja) | 1985-08-21 |
JPH0411393Y2 true JPH0411393Y2 (US08177716-20120515-C00003.png) | 1992-03-23 |
Family
ID=11758751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984010742U Granted JPS60124146U (ja) | 1984-01-27 | 1984-01-27 | 空中線切換回路 |
Country Status (6)
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0626320B2 (ja) * | 1986-04-09 | 1994-04-06 | 日本電気株式会社 | 無線送受信装置 |
US5345473A (en) * | 1987-01-22 | 1994-09-06 | Outokumpu Oy | Apparatus for providing two-way communication in underground facilities |
US5054114A (en) * | 1988-09-27 | 1991-10-01 | Rockwell International Corporation | Broadband RF transmit/receive switch |
KR910005602A (ko) * | 1989-08-12 | 1991-03-30 | 강진구 | 이동체 통신장비의 rf송수신회로 |
US4979232A (en) * | 1989-08-14 | 1990-12-18 | Harris Corporation | Self-biasing solid-state T/R switch |
US5276914A (en) * | 1990-10-18 | 1994-01-04 | Sony Corporation | Dual-mode transceiver that switches out a large insertion loss filter during transmission |
US5206639A (en) * | 1990-10-25 | 1993-04-27 | Timex Corporation | Single antenna dual frequency transponder |
US5239686A (en) * | 1991-04-29 | 1993-08-24 | Echelon Corporation | Transceiver with rapid mode switching capability |
US5442812A (en) * | 1992-07-08 | 1995-08-15 | Matsushita Electric Industrial Co., Ltd. | Antenna switching apparatus for selectively connecting antenna to transmitter or receiver |
JPH06291696A (ja) * | 1993-03-30 | 1994-10-18 | Sony Corp | アンテナ共用器 |
US5594394A (en) * | 1993-08-31 | 1997-01-14 | Matsushita Electric Industrial Co., Ltd. | Antenna diversity switching device with switching circuits between the receiver terminal and each antenna |
EP0720292B1 (fr) * | 1994-12-29 | 2000-03-29 | Koninklijke Philips Electronics N.V. | Dispositif terminal mobile pour télécommunication incluant un circuit commutateur |
DE19537022C2 (de) * | 1995-10-05 | 2003-05-15 | Daimler Chrysler Ag | Sende-/Empfangs-Schalter |
GB2310341A (en) * | 1996-02-15 | 1997-08-20 | Motorola Gmbh | Transmitter circuit and antenna switch |
CN1212789A (zh) * | 1996-02-27 | 1999-03-31 | 汤姆森消费电子有限公司 | 正交转换的天线系统 |
US6225865B1 (en) | 1996-03-07 | 2001-05-01 | Thomson Licensing S.A. | Signal switching arrangement |
US5915212A (en) * | 1996-08-29 | 1999-06-22 | Ericsson Inc. | System and method for achieving extended radio coverage and additional capacity using extended frequency bands |
US5789995A (en) * | 1996-09-20 | 1998-08-04 | Motorola, Inc. | Low loss electronic radio frequency switch |
JP2000134130A (ja) * | 1998-10-22 | 2000-05-12 | Matsushita Electric Ind Co Ltd | 送受切替スイッチ |
US20040242165A1 (en) * | 2001-09-18 | 2004-12-02 | Jedeloo Pieter Willem | RF signal switch for a wireless communication device |
JP3813083B2 (ja) * | 2001-12-05 | 2006-08-23 | ローム株式会社 | 送受信装置 |
JP2004147045A (ja) * | 2002-10-24 | 2004-05-20 | Matsushita Electric Ind Co Ltd | 高周波スイッチ |
ATE518310T1 (de) * | 2007-02-28 | 2011-08-15 | Laird Technologies Ab | Antennenvorrichtung und tragbare funkkommunikationsvorrichtung damit |
JP2009159059A (ja) * | 2007-12-25 | 2009-07-16 | Samsung Electro Mech Co Ltd | 高周波スイッチ回路 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3117241A (en) * | 1961-09-29 | 1964-01-07 | Gen Electric | Transmit-receiver switch utilizing resonant circuits and oppositely poled parallel diodes for isolation |
US3227954A (en) * | 1963-05-07 | 1966-01-04 | Jr Walter C Fichter | Transmit-receive switching circuit utilizing diodes |
FR1372506A (fr) * | 1963-07-04 | 1964-09-18 | Csf | Nouveau dispositif de commutation électronique pour courants alternatifs |
US3327215A (en) * | 1964-09-18 | 1967-06-20 | Motorola Inc | Electronic circuit for selectively connecting a transmitter and a receiver to a single antenna |
DE28476C (de) * | 1965-04-30 | H. bauermeister in Hamburg | Vorrichtung zum Verstellen der Walzen von Walzenstühlen während des Betriebes | |
US3452299A (en) * | 1965-10-15 | 1969-06-24 | Rca Corp | Transmit-receive switch |
DE2362889A1 (de) * | 1973-12-18 | 1975-06-19 | Standard Elektrik Lorenz Ag | Funk-sende/empfangsgeraet |
US4055807A (en) * | 1976-03-25 | 1977-10-25 | Motorola, Inc. | Antenna switch |
DE2616185C3 (de) * | 1976-04-13 | 1978-10-26 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Sende-Empfangseinrichtung mit einer umschaltbaren Kopplungsschaltung |
DE2636969C2 (de) * | 1976-08-17 | 1984-05-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | HF-Antennenschalter |
JPS5773533A (en) * | 1980-10-24 | 1982-05-08 | Hitachi Denshi Ltd | Antenna switch circuit |
JPS60111149U (ja) * | 1983-12-28 | 1985-07-27 | ソニー株式会社 | アンテナ切り換え回路 |
-
1984
- 1984-01-27 JP JP1984010742U patent/JPS60124146U/ja active Granted
-
1985
- 1985-01-25 CA CA000472836A patent/CA1233881A/en not_active Expired
- 1985-01-25 US US06/694,884 patent/US4677688A/en not_active Expired - Lifetime
- 1985-01-28 DE DE8585300552T patent/DE3560931D1/de not_active Expired
- 1985-01-28 EP EP85300552A patent/EP0151014B1/en not_active Expired
- 1985-01-29 AU AU38131/85A patent/AU577239B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU577239B2 (en) | 1988-09-15 |
CA1233881A (en) | 1988-03-08 |
EP0151014B1 (en) | 1987-11-04 |
JPS60124146U (ja) | 1985-08-21 |
AU3813185A (en) | 1985-08-01 |
EP0151014A2 (en) | 1985-08-07 |
DE3560931D1 (en) | 1987-12-10 |
US4677688A (en) | 1987-06-30 |
EP0151014A3 (en) | 1985-08-21 |