JPS5253611A - Method of transmitting information - Google Patents
Method of transmitting informationInfo
- Publication number
- JPS5253611A JPS5253611A JP51125575A JP12557576A JPS5253611A JP S5253611 A JPS5253611 A JP S5253611A JP 51125575 A JP51125575 A JP 51125575A JP 12557576 A JP12557576 A JP 12557576A JP S5253611 A JPS5253611 A JP S5253611A
- Authority
- JP
- Japan
- Prior art keywords
- transmitting information
- transmitting
- information
- 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.)
- Pending
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
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 |
---|---|
JPS5253611A true JPS5253611A (en) | 1977-04-30 |
Family
ID=24506333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51125575A Pending JPS5253611A (en) | 1975-10-24 | 1976-10-21 | Method of transmitting information |
Country Status (10)
Country | Link |
---|---|
US (1) | US4019140A (ja) |
JP (1) | JPS5253611A (ja) |
BE (1) | BE847569A (ja) |
CA (1) | CA1066362A (ja) |
DE (1) | DE2648273C2 (ja) |
ES (1) | ES452652A1 (ja) |
FR (1) | FR2329037A1 (ja) |
GB (1) | GB1561699A (ja) |
NL (1) | NL7611677A (ja) |
SE (1) | SE413452B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013225888A (ja) * | 2007-12-19 | 2013-10-31 | Falcon Nano Inc | 通信速度およびスペクトル効率を増大させ、他の利益を可能にする共通波通信システムおよび方法ならびに側波帯軽減通信システムおよび方法 |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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 |
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 |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
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 |
US6049706A (en) * | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US7321735B1 (en) | 1998-10-21 | 2008-01-22 | Parkervision, Inc. | Optical down-converter using universal frequency translation technology |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
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 |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
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 |
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 |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
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 |
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 |
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 |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | 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*** |
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***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/en 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 ES ES452652A patent/ES452652A1/es not_active Expired
- 1976-10-22 BE BE171736A patent/BE847569A/xx unknown
- 1976-10-22 FR FR7631915A patent/FR2329037A1/fr active Granted
- 1976-10-25 DE DE2648273A patent/DE2648273C2/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013225888A (ja) * | 2007-12-19 | 2013-10-31 | Falcon Nano Inc | 通信速度およびスペクトル効率を増大させ、他の利益を可能にする共通波通信システムおよび方法ならびに側波帯軽減通信システムおよび方法 |
Also Published As
Publication number | Publication date |
---|---|
DE2648273A1 (de) | 1977-04-28 |
GB1561699A (en) | 1980-02-27 |
NL7611677A (nl) | 1977-04-26 |
FR2329037B1 (ja) | 1981-05-22 |
DE2648273C2 (de) | 1982-06-09 |
CA1066362A (en) | 1979-11-13 |
SE413452B (sv) | 1980-05-27 |
BE847569A (fr) | 1977-02-14 |
US4019140A (en) | 1977-04-19 |
ES452652A1 (es) | 1977-10-16 |
FR2329037A1 (fr) | 1977-05-20 |
SE7611708L (sv) | 1977-04-25 |
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