LU79907A1 - - Google Patents
Info
- Publication number
- LU79907A1 LU79907A1 LU79907A LU79907A LU79907A1 LU 79907 A1 LU79907 A1 LU 79907A1 LU 79907 A LU79907 A LU 79907A LU 79907 A LU79907 A LU 79907A LU 79907 A1 LU79907 A1 LU 79907A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/04—Indicating or recording train identities
- B61L25/045—Indicating or recording train identities using reradiating tags
-
- 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)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Bidirectional Digital Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Electrotherapy Devices (AREA)
- Burglar Alarm Systems (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2744212A DE2744212C2 (de) | 1977-09-30 | 1977-09-30 | Duplex-Sende-Empfangseinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU79907A1 true LU79907A1 (fi) | 1978-12-07 |
Family
ID=6020400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU79907A LU79907A1 (fi) | 1977-09-30 | 1978-06-30 |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US4212013A (fi) |
| JP (1) | JPS5459013A (fi) |
| AR (2) | AR216805A1 (fi) |
| AT (1) | AT375508B (fi) |
| AU (1) | AU517559B2 (fi) |
| BE (1) | BE870902A (fi) |
| BR (1) | BR7806483A (fi) |
| CA (1) | CA1116698A (fi) |
| CH (1) | CH632883A5 (fi) |
| DE (1) | DE2744212C2 (fi) |
| DK (1) | DK433378A (fi) |
| ES (1) | ES473827A1 (fi) |
| FI (1) | FI67282C (fi) |
| FR (1) | FR2404967A1 (fi) |
| GB (1) | GB2005113B (fi) |
| IT (1) | IT1099202B (fi) |
| LU (1) | LU79907A1 (fi) |
| MX (1) | MX145421A (fi) |
| NL (1) | NL7809902A (fi) |
| NO (1) | NO146114C (fi) |
| SE (1) | SE428746B (fi) |
| YU (1) | YU230978A (fi) |
| ZA (1) | ZA785314B (fi) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3015437C2 (de) * | 1980-04-22 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Duplex-Sende-Empfangseinrichtung |
| US4453258A (en) * | 1981-06-02 | 1984-06-05 | Texas Instruments Incorporated | Automatic gain control circuit |
| DE3129002A1 (de) * | 1981-07-22 | 1983-02-03 | Siemens AG, 1000 Berlin und 8000 München | Duplex-sende-empfangseinrichtung |
| US4685099A (en) * | 1982-05-19 | 1987-08-04 | Maxon Electronics Co. Ltd. | Method and apparatus for duplex communications |
| JPS5964301U (ja) * | 1982-10-22 | 1984-04-27 | 太平洋工業株式会社 | 樹脂製ホイ−ルキヤツプ |
| DE3478376D1 (en) * | 1983-08-24 | 1989-06-29 | Toyo Communication Equip | Signal transmission and reception system |
| GB8420210D0 (en) * | 1984-08-09 | 1984-09-12 | British Telecomm | Duplex microwave equipment |
| US4631733A (en) * | 1984-12-17 | 1986-12-23 | Honeywell Inc. | Transceiver |
| DE3618159A1 (de) * | 1986-05-30 | 1987-12-03 | Licentia Gmbh | Sende-empfangs-richtungsweiche |
| US4899158A (en) * | 1987-09-26 | 1990-02-06 | Matsushita Electric Works, Ltd. | Moving object discriminating system |
| JPS6486719A (en) * | 1987-09-29 | 1989-03-31 | Gakken Co Ltd | Transceiver |
| GB2267015B (en) * | 1992-05-16 | 1995-12-20 | Motorola Israel Ltd | Interference cancelling in a radio transceiver |
| DE4337088A1 (de) * | 1993-10-29 | 1995-05-24 | Siemens Ag | Schaltungsanordnung zur kohärenten Erzeugung von Sende- und Empfangssignalen, insbesondere impulsexpandierten/-komprimierten Sende- und Empfangssignalen in einem Identifikations- oder Sensor-Sende- und Empfangssystem |
| JPH08204763A (ja) * | 1994-11-21 | 1996-08-09 | Sony Corp | 送信機及び送受信機 |
| DE19508429A1 (de) * | 1995-03-09 | 1996-09-12 | Daimler Benz Ag | Zirkulatoranordnung |
| JPH09153838A (ja) * | 1995-11-30 | 1997-06-10 | Fujitsu Ltd | 広帯域送受信装置 |
| US6591086B1 (en) | 2000-04-24 | 2003-07-08 | Telaxis Communications Corporation | Enhanced time division duplexing (TDD) transceiver circuitry |
| DE10229153A1 (de) * | 2002-06-28 | 2004-02-05 | Epcos Ag | Schaltungsanordnung für ein Mobiltelefon |
| KR100547736B1 (ko) * | 2003-06-26 | 2006-01-31 | 삼성전자주식회사 | 다중-채널의 동적 선택을 위한 스위칭 필터 모듈 |
| US7983627B2 (en) * | 2007-03-30 | 2011-07-19 | Infineon Technologies Ag | Circuit arrangement with improved decoupling |
| US8199681B2 (en) * | 2008-12-12 | 2012-06-12 | General Electric Company | Software radio frequency canceller |
| KR102324960B1 (ko) | 2015-06-25 | 2021-11-12 | 삼성전자 주식회사 | 통신 장치 및 이를 포함하는 전자 장치 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1121655A (fr) * | 1955-02-11 | 1956-08-23 | Thomson Houston Comp Francaise | Relais hertzien sans oscillateur local |
| US2939139A (en) * | 1959-07-14 | 1960-05-31 | Handler Bernard | Transmit-receive systems with means for adjusting receiver output during transmission time |
| CH394316A (de) * | 1962-07-13 | 1965-06-30 | Patelhold Patentverwertung | Sende- und Empfangsanordnung für drahtlose Nachrichtenübertragung |
| FR1462279A (fr) * | 1965-09-21 | 1966-04-15 | Cit Alcatel | Liaisons radio à fréquences porteuses aléatoires |
| US3935533A (en) * | 1973-03-02 | 1976-01-27 | United Technologies Corporation | Single oscillator microwave transceiver |
| US3916412A (en) * | 1974-08-29 | 1975-10-28 | United Technologies Corp | Frequency stabilized single oscillator transceivers |
| FI67641C (fi) * | 1976-03-16 | 1985-04-10 | Plessey Overseas | Saendar/mottagare med gemensam kanal |
-
1977
- 1977-09-30 DE DE2744212A patent/DE2744212C2/de not_active Expired
-
1978
- 1978-06-30 LU LU79907A patent/LU79907A1/xx unknown
- 1978-09-19 CH CH975978A patent/CH632883A5/de not_active IP Right Cessation
- 1978-09-19 ZA ZA00785314A patent/ZA785314B/xx unknown
- 1978-09-20 CA CA000311702A patent/CA1116698A/en not_active Expired
- 1978-09-21 US US05/944,363 patent/US4212013A/en not_active Expired - Lifetime
- 1978-09-21 AU AU40052/78A patent/AU517559B2/en not_active Expired
- 1978-09-22 MX MX174987A patent/MX145421A/es unknown
- 1978-09-26 FR FR7827514A patent/FR2404967A1/fr active Granted
- 1978-09-27 AT AT0699478A patent/AT375508B/de not_active IP Right Cessation
- 1978-09-28 IT IT28166/78A patent/IT1099202B/it active
- 1978-09-28 GB GB7838443A patent/GB2005113B/en not_active Expired
- 1978-09-28 FI FI782960A patent/FI67282C/fi not_active IP Right Cessation
- 1978-09-29 JP JP12031378A patent/JPS5459013A/ja active Granted
- 1978-09-29 NO NO783301A patent/NO146114C/no unknown
- 1978-09-29 AR AR273908A patent/AR216805A1/es active
- 1978-09-29 BR BR7806483A patent/BR7806483A/pt unknown
- 1978-09-29 SE SE7810239A patent/SE428746B/sv unknown
- 1978-09-29 NL NL7809902A patent/NL7809902A/xx not_active Application Discontinuation
- 1978-09-29 DK DK433378A patent/DK433378A/da not_active Application Discontinuation
- 1978-09-29 ES ES473827A patent/ES473827A1/es not_active Expired
- 1978-09-29 BE BE190820A patent/BE870902A/xx not_active IP Right Cessation
- 1978-09-29 YU YU02309/78A patent/YU230978A/xx unknown
-
1979
- 1979-08-07 AR AR277619A patent/AR219990A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| NO783301L (no) | 1979-04-02 |
| DE2744212B1 (de) | 1979-03-22 |
| CH632883A5 (de) | 1982-10-29 |
| JPS5759702B2 (fi) | 1982-12-16 |
| AT375508B (de) | 1984-08-10 |
| CA1116698A (en) | 1982-01-19 |
| JPS5459013A (en) | 1979-05-12 |
| DK433378A (da) | 1979-03-31 |
| FI782960A (fi) | 1979-03-31 |
| IT1099202B (it) | 1985-09-18 |
| FI67282B (fi) | 1984-10-31 |
| SE7810239L (sv) | 1979-03-31 |
| BR7806483A (pt) | 1979-05-08 |
| US4212013A (en) | 1980-07-08 |
| MX145421A (es) | 1982-02-04 |
| NO146114B (no) | 1982-04-19 |
| GB2005113A (en) | 1979-04-11 |
| IT7828166A0 (it) | 1978-09-28 |
| ZA785314B (en) | 1979-09-26 |
| ATA699478A (de) | 1983-12-15 |
| NO146114C (no) | 1982-08-11 |
| NL7809902A (nl) | 1979-04-03 |
| AU4005278A (en) | 1980-03-27 |
| FR2404967B1 (fi) | 1983-07-18 |
| AR216805A1 (es) | 1980-01-31 |
| GB2005113B (en) | 1982-03-24 |
| SE428746B (sv) | 1983-07-18 |
| AU517559B2 (en) | 1981-08-06 |
| FR2404967A1 (fr) | 1979-04-27 |
| ES473827A1 (es) | 1979-05-01 |
| DE2744212C2 (de) | 1979-11-08 |
| BE870902A (fr) | 1979-01-15 |
| YU230978A (en) | 1982-10-31 |
| FI67282C (fi) | 1985-02-11 |
| AR219990A1 (es) | 1980-09-30 |