SE403871B - Kombinerad sendar- och mottagarenhet for telekommunikationssystem av duplextyp - Google Patents
Kombinerad sendar- och mottagarenhet for telekommunikationssystem av duplextypInfo
- Publication number
- SE403871B SE403871B SE7509374-0A SE7509374A SE403871B SE 403871 B SE403871 B SE 403871B SE 7509374 A SE7509374 A SE 7509374A SE 403871 B SE403871 B SE 403871B
- Authority
- SE
- Sweden
- Prior art keywords
- receiver unit
- telecommunication system
- duplex type
- combined transmitter
- type telecommunication
- 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
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
-
- 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
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Superheterodyne Receivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US501727A US3916412A (en) | 1974-08-29 | 1974-08-29 | Frequency stabilized single oscillator transceivers |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7509374L SE7509374L (sv) | 1976-03-01 |
SE403871B true SE403871B (sv) | 1978-09-04 |
Family
ID=23994776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7509374-0A SE403871B (sv) | 1974-08-29 | 1975-08-22 | Kombinerad sendar- och mottagarenhet for telekommunikationssystem av duplextyp |
Country Status (8)
Country | Link |
---|---|
US (1) | US3916412A (sv) |
JP (1) | JPS6013341B2 (sv) |
BR (1) | BR7505484A (sv) |
CA (1) | CA1054681A (sv) |
DE (1) | DE2538349A1 (sv) |
FR (1) | FR2283600A1 (sv) |
GB (1) | GB1518831A (sv) |
SE (1) | SE403871B (sv) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3983484A (en) * | 1974-12-06 | 1976-09-28 | Nihon Dengyo Co., Ltd. | Multichannel signal transmitting and receiving apparatus |
NO145257C (no) * | 1976-03-16 | 1982-02-10 | Plessey Overseas | Sender/mottager. |
JPS5380906A (en) * | 1976-12-27 | 1978-07-17 | Oki Electric Ind Co Ltd | Frequency converter |
DE2744212C2 (de) * | 1977-09-30 | 1979-11-08 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Duplex-Sende-Empfangseinrichtung |
DE2744110C3 (de) * | 1977-09-30 | 1980-04-10 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Stabilisierung des Mikrowellenoszillators im Sendezweig einer Sende-Empfangseinrichtung |
DE3114597A1 (de) * | 1981-04-10 | 1982-11-04 | Licentia Gmbh | Tragbares millimeterwellenfunkgeraet fuer wechselsprechen |
US4411018A (en) * | 1981-10-20 | 1983-10-18 | United Technologies Corporation | Rapidly stabilized Gunn oscillator transceiver |
JPS58210729A (ja) * | 1982-05-19 | 1983-12-08 | マクソン・エレクトロニクス・カンパニ−・リミテツド | 二重通信の方法および装置 |
JPS6139630A (ja) * | 1984-07-28 | 1986-02-25 | Toyo Commun Equip Co Ltd | 受信機局部発振器と送信機チヤンネル発振器とを共用した同時送受話通信方式 |
GB2152333B (en) * | 1983-12-27 | 1988-02-03 | United Technologies Corp | Full-duplex, electrically switched microwave transceiver |
US4680749A (en) * | 1985-05-15 | 1987-07-14 | General Electric Company | Duplex radio transceiver having improved data/tone and audio modulation architecture |
JPS63114939U (sv) * | 1987-01-20 | 1988-07-25 | ||
DE3827228A1 (de) * | 1988-08-11 | 1990-02-15 | Standard Elektrik Lorenz Ag | Sende/empfangsteil fuer ein bidirektionales kohaerent-optisches uebertragungssystem |
FI80550C (sv) * | 1989-01-13 | 1990-06-11 | Telenokia Oy | Frekvensmodulerad sändarmottagare |
FI80549C (sv) * | 1989-01-13 | 1990-06-11 | Telenokia Oy | Frekvensmodulerad sändarmottagare |
DE69225259T2 (de) * | 1991-02-22 | 1998-08-20 | Sony Corp | Zeitduplex-Sender-Empfänger |
US5734966A (en) * | 1995-01-20 | 1998-03-31 | Diablo Research Corporation | Wireless communication system for adapting to frequency drift |
JPH1013181A (ja) * | 1996-06-21 | 1998-01-16 | Nec Corp | Ifフィルタ自動整合方式 |
US6148182A (en) * | 1996-10-28 | 2000-11-14 | Int Labs, Inc. | Technique to facilitate the independent bi-directional data transmission on a single amplitude modulated carrier |
US9576046B2 (en) | 2011-11-16 | 2017-02-21 | Ptc Inc. | Methods for integrating semantic search, query, and analysis across heterogeneous data types and devices thereof |
US8909641B2 (en) | 2011-11-16 | 2014-12-09 | Ptc Inc. | Method for analyzing time series activity streams and devices thereof |
US9098312B2 (en) | 2011-11-16 | 2015-08-04 | Ptc Inc. | Methods for dynamically generating an application interface for a modeled entity and devices thereof |
JP6285010B2 (ja) | 2013-03-15 | 2018-02-28 | ピーティーシー インコーポレイテッド | 意味論的モデル化およびタグ付けを使用してアプリケーションを管理する方法およびその装置 |
US10313410B2 (en) | 2014-03-21 | 2019-06-04 | Ptc Inc. | Systems and methods using binary dynamic rest messages |
US9560170B2 (en) | 2014-03-21 | 2017-01-31 | Ptc Inc. | System and method of abstracting communication protocol using self-describing messages |
US10025942B2 (en) | 2014-03-21 | 2018-07-17 | Ptc Inc. | System and method of establishing permission for multi-tenancy storage using organization matrices |
US9961058B2 (en) | 2014-03-21 | 2018-05-01 | Ptc Inc. | System and method of message routing via connection servers in a distributed computing environment |
WO2015143416A1 (en) | 2014-03-21 | 2015-09-24 | Ptc Inc. | Systems and methods for developing and using real-time data applications |
US9350812B2 (en) | 2014-03-21 | 2016-05-24 | Ptc Inc. | System and method of message routing using name-based identifier in a distributed computing environment |
US9762637B2 (en) | 2014-03-21 | 2017-09-12 | Ptc Inc. | System and method of using binary dynamic rest messages |
US9462085B2 (en) | 2014-03-21 | 2016-10-04 | Ptc Inc. | Chunk-based communication of binary dynamic rest messages |
US9467533B2 (en) | 2014-03-21 | 2016-10-11 | Ptc Inc. | System and method for developing real-time web-service objects |
US9350791B2 (en) | 2014-03-21 | 2016-05-24 | Ptc Inc. | System and method of injecting states into message routing in a distributed computing environment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2462856A (en) * | 1942-05-19 | 1949-03-01 | Sperry Corp | Transmitter and/or receiver circuits |
GB579567A (en) * | 1943-10-07 | 1946-08-08 | Marconi Wireless Telegraph Co | Improvements in frequency controlling and stabilising means in radio-apparatus and the like |
US2757279A (en) * | 1951-11-20 | 1956-07-31 | Raytheon Mfg Co | Two-way communication systems |
DE1002805B (de) * | 1955-02-02 | 1957-02-21 | Telefunken Gmbh | Als Funkrelaisstelle einsetzbares oder mit einer Drahtfernsprechleitung in Verbindung zu bringendes Funksprechgeraet |
DE1068316B (sv) * | 1959-07-27 | 1959-11-05 | ||
US3829778A (en) * | 1973-03-26 | 1974-08-13 | United Aircraft Corp | Call apparatus in a single oscillator microwave transceiver |
-
1974
- 1974-08-29 US US501727A patent/US3916412A/en not_active Expired - Lifetime
-
1975
- 1975-03-21 CA CA222819A patent/CA1054681A/en not_active Expired
- 1975-08-19 FR FR7525602A patent/FR2283600A1/fr active Granted
- 1975-08-21 GB GB34758/75A patent/GB1518831A/en not_active Expired
- 1975-08-22 SE SE7509374-0A patent/SE403871B/sv not_active IP Right Cessation
- 1975-08-27 BR BR7505484*A patent/BR7505484A/pt unknown
- 1975-08-28 DE DE19752538349 patent/DE2538349A1/de not_active Ceased
- 1975-08-29 JP JP50104873A patent/JPS6013341B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1518831A (en) | 1978-07-26 |
FR2283600A1 (fr) | 1976-03-26 |
DE2538349A1 (de) | 1976-03-11 |
FR2283600B1 (sv) | 1982-12-31 |
JPS5150509A (sv) | 1976-05-04 |
JPS6013341B2 (ja) | 1985-04-06 |
CA1054681A (en) | 1979-05-15 |
SE7509374L (sv) | 1976-03-01 |
US3916412A (en) | 1975-10-28 |
BR7505484A (pt) | 1976-08-03 |
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Legal Events
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NUG | Patent has lapsed |
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