FR2329037A1 - Procede et appareil de transmission d'information - Google Patents
Procede et appareil de transmission d'informationInfo
- Publication number
- FR2329037A1 FR2329037A1 FR7631915A FR7631915A FR2329037A1 FR 2329037 A1 FR2329037 A1 FR 2329037A1 FR 7631915 A FR7631915 A FR 7631915A FR 7631915 A FR7631915 A FR 7631915A FR 2329037 A1 FR2329037 A1 FR 2329037A1
- Authority
- FR
- France
- Prior art keywords
- information transmission
- transmission process
- information
- transmission
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
-
- 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
- H04B1/68—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 for wholly or partially suppressing the carrier or one side band
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/625,491 US4019140A (en) | 1975-10-24 | 1975-10-24 | Methods and apparatus for reducing intelligible crosstalk in single sideband radio systems |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2329037A1 true FR2329037A1 (fr) | 1977-05-20 |
FR2329037B1 FR2329037B1 (fr) | 1981-05-22 |
Family
ID=24506333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7631915A Granted FR2329037A1 (fr) | 1975-10-24 | 1976-10-22 | Procede et appareil de transmission d'information |
Country Status (10)
Country | Link |
---|---|
US (1) | US4019140A (fr) |
JP (1) | JPS5253611A (fr) |
BE (1) | BE847569A (fr) |
CA (1) | CA1066362A (fr) |
DE (1) | DE2648273C2 (fr) |
ES (1) | ES452652A1 (fr) |
FR (1) | FR2329037A1 (fr) |
GB (1) | GB1561699A (fr) |
NL (1) | NL7611677A (fr) |
SE (1) | SE413452B (fr) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462114A (en) * | 1980-07-02 | 1984-07-24 | Motorola, Inc. | Signum signal generator |
US4432079A (en) * | 1981-11-02 | 1984-02-14 | The United States Of America As Represented By The Secretary Of The Navy | Synchronous/asynchronous independent single sideband acoustic telemetry |
US4479226A (en) * | 1982-03-29 | 1984-10-23 | At&T Bell Laboratories | Frequency-hopped single sideband mobile radio system |
US4541118A (en) * | 1983-12-22 | 1985-09-10 | Motorola, Inc. | SSB System with pilot coded squelch |
US4675880A (en) * | 1985-05-02 | 1987-06-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Antimultipath communication by injecting tone into null in signal spectrum |
US4829590A (en) * | 1986-01-13 | 1989-05-09 | Technology Research International, Inc. | Adaptive noise abatement system |
US4819263A (en) * | 1986-06-30 | 1989-04-04 | Cellular Communications Corporation | Apparatus and method for hands free telephonic communication |
US4835493A (en) * | 1987-10-19 | 1989-05-30 | Hughes Aircraft Company | Very wide bandwidth linear amplitude modulation of RF signal by vector summation |
US5020133A (en) * | 1989-06-21 | 1991-05-28 | The United States Of America As Represented By The Secretary Of The Army | Phase/frequency modulator |
US5133083A (en) * | 1990-01-12 | 1992-07-21 | Hewlett-Packard Company | Adjacent channel selectivity signal generator system |
US5307405A (en) * | 1992-09-25 | 1994-04-26 | Qualcomm Incorporated | Network echo canceller |
US6160856A (en) * | 1997-12-18 | 2000-12-12 | Advanced Micro Devices, Inc. | System for providing amplitude and phase modulation of line signals using delay lines |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US7515896B1 (en) * | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US7295826B1 (en) | 1998-10-21 | 2007-11-13 | Parkervision, Inc. | Integrated frequency translation and selectivity with gain control functionality, and applications thereof |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6049706A (en) * | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7027786B1 (en) | 1998-10-21 | 2006-04-11 | Parkervision, Inc. | Carrier and clock recovery using universal frequency translation |
US7006805B1 (en) | 1999-01-22 | 2006-02-28 | Parker Vision, Inc. | Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6873836B1 (en) | 1999-03-03 | 2005-03-29 | Parkervision, Inc. | Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) * | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US7110435B1 (en) | 1999-03-15 | 2006-09-19 | Parkervision, Inc. | Spread spectrum applications of universal frequency translation |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7072390B1 (en) | 1999-08-04 | 2006-07-04 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
US7054296B1 (en) | 1999-08-04 | 2006-05-30 | Parkervision, Inc. | Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation |
US7082171B1 (en) | 1999-11-24 | 2006-07-25 | Parkervision, Inc. | Phase shifting applications of universal frequency translation |
US6963734B2 (en) | 1999-12-22 | 2005-11-08 | Parkervision, Inc. | Differential frequency down-conversion using techniques of universal frequency translation technology |
US7292835B2 (en) | 2000-01-28 | 2007-11-06 | Parkervision, Inc. | Wireless and wired cable modem applications of universal frequency translation technology |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7554508B2 (en) | 2000-06-09 | 2009-06-30 | Parker Vision, Inc. | Phased array antenna applications on universal frequency translation |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7010559B2 (en) | 2000-11-14 | 2006-03-07 | Parkervision, Inc. | Method and apparatus for a parallel correlator and applications thereof |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7085335B2 (en) | 2001-11-09 | 2006-08-01 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7200193B2 (en) * | 2002-01-30 | 2007-04-03 | The Aerospace Corporation | Quadrature vestigial sideband digital communications method and system with correlated noise removal |
US6975848B2 (en) | 2002-06-04 | 2005-12-13 | Parkervision, Inc. | Method and apparatus for DC offset removal in a radio frequency communication channel |
US7321640B2 (en) | 2002-06-07 | 2008-01-22 | Parkervision, Inc. | Active polyphase inverter filter for quadrature signal generation |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
TWI280690B (en) * | 2003-03-18 | 2007-05-01 | Tdk Corp | Electronic device for wireless communications and reflector device for wireless communication cards |
JP3903986B2 (ja) * | 2003-12-26 | 2007-04-11 | カシオ計算機株式会社 | 時刻情報送受信装置、及び、時刻情報送受信用回路 |
CN101288260A (zh) * | 2005-01-27 | 2008-10-15 | 美商内数位科技公司 | 使用未由他人分享联合随机衍生秘钥方法及系统 |
KR101525968B1 (ko) | 2007-12-19 | 2015-06-10 | 팔콘 나노, 인코포레이티드. | 컴먼 웨이브와 측파대 경감 통신 시스템 및 통신속도, 스펙트럼 효율, 다른 효과를 높이기 위한 방법 |
CN108879958B (zh) * | 2018-07-23 | 2021-12-10 | 阳光电源股份有限公司 | 一种分布式电源系统及其通信串扰抑制方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2448055A (en) * | 1944-02-21 | 1948-08-31 | Standard Telephones Cables Ltd | Wobbled frequency carrier wave communication system |
CH246145A (de) * | 1945-03-15 | 1946-12-15 | Telefunken Gmbh | Nachrichten-Übertragungseinrichtung mit ultrahochfrequentem Träger. |
US2692330A (en) * | 1950-05-22 | 1954-10-19 | Rca Corp | Noise reduction arrangement |
US3100871A (en) * | 1961-01-03 | 1963-08-13 | Motorola Inc | Single sideband receiver having squelch and phase-locked detection means |
US3092833A (en) * | 1961-05-01 | 1963-06-04 | Sperry Rand Corp | Carrier phase modulated dual purpose communication system |
US3140490A (en) * | 1961-11-30 | 1964-07-07 | Sichak Associates | Communication system with automatic antenna beam steering |
US3343087A (en) * | 1964-09-02 | 1967-09-19 | Bell Telephone Labor Inc | Quantization noise reduction system using chirp network prior to quantizing |
US3354410A (en) * | 1965-07-22 | 1967-11-21 | Bell Telephone Labor Inc | Method for reducing interference caused by electromagnetic radiation from clock controlled systems |
US3371277A (en) * | 1965-07-26 | 1968-02-27 | Scantlin Electronics Inc | Noise control in composite transmission systems |
GB1218015A (en) * | 1967-03-13 | 1971-01-06 | Nat Res Dev | Improvements in or relating to systems for transmitting television signals |
US3478268A (en) * | 1967-06-16 | 1969-11-11 | Sylvania Electric Prod | Suppression of strong interfering signals in a radio receiver |
US3614622A (en) * | 1968-04-30 | 1971-10-19 | Codex Corp | Data transmission method and system |
US3689841A (en) * | 1970-10-23 | 1972-09-05 | Signatron | Communication system for eliminating time delay effects when used in a multipath transmission medium |
-
1975
- 1975-10-24 US US05/625,491 patent/US4019140A/en not_active Expired - Lifetime
-
1976
- 1976-09-24 CA CA262,044A patent/CA1066362A/fr not_active Expired
- 1976-10-19 GB GB43378/76A patent/GB1561699A/en not_active Expired
- 1976-10-21 JP JP51125575A patent/JPS5253611A/ja active Pending
- 1976-10-21 NL NL7611677A patent/NL7611677A/xx not_active Application Discontinuation
- 1976-10-21 SE SE7611708A patent/SE413452B/xx unknown
- 1976-10-22 FR FR7631915A patent/FR2329037A1/fr active Granted
- 1976-10-22 BE BE171736A patent/BE847569A/fr unknown
- 1976-10-22 ES ES452652A patent/ES452652A1/es not_active Expired
- 1976-10-25 DE DE2648273A patent/DE2648273C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2329037B1 (fr) | 1981-05-22 |
ES452652A1 (es) | 1977-10-16 |
GB1561699A (en) | 1980-02-27 |
DE2648273A1 (de) | 1977-04-28 |
CA1066362A (fr) | 1979-11-13 |
BE847569A (fr) | 1977-02-14 |
SE413452B (sv) | 1980-05-27 |
DE2648273C2 (de) | 1982-06-09 |
SE7611708L (sv) | 1977-04-25 |
NL7611677A (nl) | 1977-04-26 |
US4019140A (en) | 1977-04-19 |
JPS5253611A (en) | 1977-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |