DE69108354D1 - Modem für Mikrowellenkarte mit einem Reflexionsverstärker. - Google Patents
Modem für Mikrowellenkarte mit einem Reflexionsverstärker.Info
- Publication number
- DE69108354D1 DE69108354D1 DE69108354T DE69108354T DE69108354D1 DE 69108354 D1 DE69108354 D1 DE 69108354D1 DE 69108354 T DE69108354 T DE 69108354T DE 69108354 T DE69108354 T DE 69108354T DE 69108354 D1 DE69108354 D1 DE 69108354D1
- Authority
- DE
- Germany
- Prior art keywords
- modem
- amplifier
- transmission
- transistor
- reflection amplifier
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
- G01S13/825—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9014292A FR2669475B1 (fr) | 1990-11-16 | 1990-11-16 | Modem pour badge hyperfrequence, a amplificateur a reflexion. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69108354D1 true DE69108354D1 (de) | 1995-04-27 |
DE69108354T2 DE69108354T2 (de) | 1995-07-20 |
Family
ID=9402273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69108354T Expired - Fee Related DE69108354T2 (de) | 1990-11-16 | 1991-11-07 | Modem für Mikrowellenkarte mit einem Reflexionsverstärker. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5305469A (de) |
EP (1) | EP0486367B1 (de) |
JP (1) | JPH04268479A (de) |
AT (1) | ATE120279T1 (de) |
CA (1) | CA2055579A1 (de) |
DE (1) | DE69108354T2 (de) |
FR (1) | FR2669475B1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0496520A (ja) * | 1990-08-13 | 1992-03-27 | Sharp Corp | データ送信装置 |
GB9324534D0 (en) * | 1993-11-30 | 1994-01-19 | Marconi Gec Ltd | Circuit arrangement |
DE4410896A1 (de) * | 1994-03-29 | 1995-10-05 | Bosch Gmbh Robert | Fahrzeuggerät für Transponderbetrieb |
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 |
JPH11261434A (ja) * | 1998-03-09 | 1999-09-24 | Alps Electric Co Ltd | 変復調装置 |
GB9808762D0 (en) * | 1998-04-25 | 1998-06-24 | Marconi Gec Ltd | Modulated reflector circuit |
GB2351193A (en) * | 1999-06-17 | 2000-12-20 | Marconi Electronic Syst Ltd | AM receiver |
GB2351423A (en) * | 1999-06-25 | 2000-12-27 | Marconi Electronic Syst Ltd | Modulator circuit |
CA2342175A1 (en) * | 1999-06-30 | 2001-01-11 | Kazuhiko Nakahara | Microwave amplifier |
US6838989B1 (en) | 1999-12-22 | 2005-01-04 | Intermec Ip Corp. | RFID transponder having active backscatter amplifier for re-transmitting a received signal |
JP3724450B2 (ja) * | 2002-04-23 | 2005-12-07 | 株式会社村田製作所 | 無線通信用高周波回路およびそれを備えた通信機 |
US7830211B2 (en) * | 2005-07-29 | 2010-11-09 | Broadcom Corporation | Input inductive network for sample and hold amplifiers in high speed data converters |
KR101616936B1 (ko) * | 2009-01-16 | 2016-04-29 | 한국전자통신연구원 | 중앙 집중형 네트워크에서 자원 예약 방법 |
GB2472272A (en) * | 2009-07-31 | 2011-02-02 | Cambridge Silicon Radio Ltd | An amplifier circuit for a transceiver includes a common amplifier which forms part of both a receive cascode and a transmit cascode |
ES2659879T3 (es) * | 2010-10-05 | 2018-03-19 | Kapsch Trafficcom Ab | Un transpondedor de vehículo de única antena |
TWI669912B (zh) * | 2018-02-02 | 2019-08-21 | 國立交通大學 | 無線收發裝置 |
US11601202B2 (en) * | 2020-07-01 | 2023-03-07 | Macom Technology Solutions Holdings, Inc. | Active bias circuit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2930606A1 (de) * | 1979-07-27 | 1981-01-29 | Dittel Walter Gmbh | Simplex-sende-empfangsgeraet |
US5164732A (en) * | 1980-02-13 | 1992-11-17 | Eid Electronic Identification Systems Ltd. | Highway vehicle identification system with high gain antenna |
US4504804A (en) * | 1982-06-28 | 1985-03-12 | Gte Lenkurt Incorporated | Switched capacitor balanced modulator/demodulator |
US4507625A (en) * | 1982-06-28 | 1985-03-26 | Gte Communications Systems Corporation | Switched capacitor AM modulator/demodulator |
US4650981A (en) * | 1984-01-26 | 1987-03-17 | Foletta Wayne S | Credit card with active electronics |
US4591803A (en) * | 1984-05-29 | 1986-05-27 | At&T Bell Laboratories | Linear FET power amplifier |
FR2624677B1 (fr) * | 1987-12-10 | 1994-04-01 | Fabrication Instruments Mesure | Systeme de liaison hertzienne bidirectionnelle |
CH676164A5 (de) * | 1988-05-28 | 1990-12-14 | Sc Techn Dipl Ing Peter A Neuk | |
JP2612190B2 (ja) * | 1988-08-31 | 1997-05-21 | 山武ハネウエル株式会社 | 応答装置と質問装置からなる全二重通信装置 |
US4988960A (en) * | 1988-12-21 | 1991-01-29 | Yamaha Corporation | FM demodulation device and FM modulation device employing a CMOS signal delay device |
FR2650905B1 (fr) * | 1989-08-08 | 1994-08-26 | Guena Jean | Systeme radio de transmission de donnees a une extremite passive de faible cout |
FR2658374B1 (fr) * | 1990-02-09 | 1992-06-05 | Signaux Equipements Electro Ci | Systeme hyperfrequence de transmission de donnees a distance. |
FR2669484B1 (fr) * | 1990-11-16 | 1994-03-25 | Thomson Composants Microondes | Dispositif de telecommunications par ondes electromagnetiques. |
US5162748A (en) * | 1991-11-29 | 1992-11-10 | General Electric Company | Switchable FET distortion generator |
-
1990
- 1990-11-16 FR FR9014292A patent/FR2669475B1/fr not_active Expired - Fee Related
-
1991
- 1991-11-07 AT AT91402991T patent/ATE120279T1/de not_active IP Right Cessation
- 1991-11-07 DE DE69108354T patent/DE69108354T2/de not_active Expired - Fee Related
- 1991-11-07 EP EP91402991A patent/EP0486367B1/de not_active Expired - Lifetime
- 1991-11-14 CA CA002055579A patent/CA2055579A1/fr not_active Abandoned
- 1991-11-15 US US07/792,911 patent/US5305469A/en not_active Expired - Lifetime
- 1991-11-15 JP JP3300741A patent/JPH04268479A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69108354T2 (de) | 1995-07-20 |
EP0486367B1 (de) | 1995-03-22 |
CA2055579A1 (fr) | 1992-05-17 |
EP0486367A1 (de) | 1992-05-20 |
FR2669475B1 (fr) | 1993-01-22 |
ATE120279T1 (de) | 1995-04-15 |
JPH04268479A (ja) | 1992-09-24 |
US5305469A (en) | 1994-04-19 |
FR2669475A1 (fr) | 1992-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |