BE847569A - Procede et appareil de transmission d'information, - Google Patents

Procede et appareil de transmission d'information,

Info

Publication number
BE847569A
BE847569A BE171736A BE171736A BE847569A BE 847569 A BE847569 A BE 847569A BE 171736 A BE171736 A BE 171736A BE 171736 A BE171736 A BE 171736A BE 847569 A BE847569 A BE 847569A
Authority
BE
Belgium
Prior art keywords
transmission
information
Prior art date
Application number
BE171736A
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE847569A publication Critical patent/BE847569A/fr

Links

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
BE171736A 1975-10-24 1976-10-22 Procede et appareil de transmission d'information, BE847569A (fr)

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 (1)

Publication Number Publication Date
BE847569A true BE847569A (fr) 1977-02-14

Family

ID=24506333

Family Applications (1)

Application Number Title Priority Date Filing Date
BE171736A BE847569A (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)

* Cited by examiner, † Cited by third party
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
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
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
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
US6049706A (en) * 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7027786B1 (en) 1998-10-21 2006-04-11 Parkervision, Inc. Carrier and clock recovery using universal frequency translation
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
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
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US7295826B1 (en) 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
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
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
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
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
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
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
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
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
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
US7072390B1 (en) 1999-08-04 2006-07-04 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
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
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7085335B2 (en) 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7072427B2 (en) 2001-11-09 2006-07-04 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
EP2235967B1 (fr) 2007-12-19 2019-01-30 Falcon Nano, Inc. Systèmes et procédés de communication à atténuation de bande latérale et d'onde commune pour augmenter les vitesses de communication, le rendement spectral et offrir d'autres avantages
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
SE413452B (sv) 1980-05-27
FR2329037A1 (fr) 1977-05-20
NL7611677A (nl) 1977-04-26
DE2648273C2 (de) 1982-06-09
DE2648273A1 (de) 1977-04-28
ES452652A1 (es) 1977-10-16
JPS5253611A (en) 1977-04-30
CA1066362A (fr) 1979-11-13
SE7611708L (sv) 1977-04-25
US4019140A (en) 1977-04-19
GB1561699A (en) 1980-02-27
FR2329037B1 (fr) 1981-05-22

Similar Documents

Publication Publication Date Title
BE847569A (fr) Procede et appareil de transmission d'information,
FR2308257A1 (fr) Procede et dispositif de transmission d'informations
BE838127A (fr) Procede et appareil de filtrage chromatique soustractif
FR2303563A1 (fr) Procede et appareil de raccordement sterile et etanche
FR2309059A1 (fr) Procede et appareil d'accord rapide pour laser
FR2305790A1 (fr) Appareil d'interface programmable et procede correspondant
FR2314253A1 (fr) Procede et appareil pour modifier l'amidon
FR2304318A1 (fr) Procede et appareil de tomographie
FR2350069A1 (fr) Procede et appareil de manucure
BE840462A (fr) Procede et appareil de coalescence
BE859248A (fr) Procede et appareil d'epaississement de boues
FR2307763A1 (fr) Procede et appareil de creation et de separation d'ozone
BE838661A (fr) Procede et appareil de freinage
BE850019A (fr) Procede et appareil d'epaississement de boues
FR2336192A1 (fr) Appareil et procede pour l'extrusion etagee
FR2299095A1 (fr) Procede et appareil de separation de semences
FR2320572A1 (fr) Procede et appareil de tirage d'epreuves
FR2332788A1 (fr) Appareil et procede d'electrofiltration
FR2443475B1 (fr) Procede et appareil pour demonomeriser le polycapronamide
FR2309008A1 (fr) Procede d'enregistrement magnetique et appareil d'enregistrement
FR2327678A1 (fr) Procede et appareil de compression de l'information
FR2305416A1 (fr) Procede de preparation de tricosene-(9) et d'heneicosene-(9)
BE837261A (fr) Procede et appareil de combustion
BE865753A (fr) Procede et appareil pour faire le yogourt
FR2331022A1 (fr) Procede et appareil de titrage continu