US3694754A - Suppression of electrostatic noise in antenna systems - Google Patents
Suppression of electrostatic noise in antenna systems Download PDFInfo
- Publication number
- US3694754A US3694754A US101871A US3694754DA US3694754A US 3694754 A US3694754 A US 3694754A US 101871 A US101871 A US 101871A US 3694754D A US3694754D A US 3694754DA US 3694754 A US3694754 A US 3694754A
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- US
- United States
- Prior art keywords
- antenna
- radio
- receiver
- frequency
- switching device
- 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 - Lifetime
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- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
Abstract
Description
Claims (5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10187170A | 1970-12-28 | 1970-12-28 |
Publications (1)
Publication Number | Publication Date |
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US3694754A true US3694754A (en) | 1972-09-26 |
Family
ID=22286867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US101871A Expired - Lifetime US3694754A (en) | 1970-12-28 | 1970-12-28 | Suppression of electrostatic noise in antenna systems |
Country Status (1)
Country | Link |
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US (1) | US3694754A (en) |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352207A (en) * | 1980-04-18 | 1982-09-28 | R.F. Technical Products, Inc. | Noise suppression circuit |
US4843401A (en) * | 1988-01-26 | 1989-06-27 | Atlantic Richfield | Method and apparatus for generating and radiating electromagnetic energy |
US5152010A (en) * | 1989-12-29 | 1992-09-29 | American Nucleonics Corporation | Highly directive radio receiver employing relatively small antennas |
US5406297A (en) * | 1991-04-09 | 1995-04-11 | Comtec Industries | Inventory management system |
US5963144A (en) * | 1997-05-30 | 1999-10-05 | Single Chip Systems Corp. | Cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags to increase interrogation reliability |
US6144535A (en) * | 1998-02-12 | 2000-11-07 | Nec Corporation | Device load variation protection circuit |
US20020003841A1 (en) * | 2000-04-28 | 2002-01-10 | Konig Florian Meinhard | Method of high-frequency signal transmission |
US20050009494A1 (en) * | 1998-10-21 | 2005-01-13 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US20050170795A1 (en) * | 2004-02-04 | 2005-08-04 | Casio Computer Co., Ltd. | Radio wave receive, radio wave reception integrated circuit, wave clock, and repeater |
US20070038560A1 (en) * | 2005-08-12 | 2007-02-15 | Carl Ansley | Transaction payment system and processing |
US7194246B2 (en) | 1998-10-21 | 2007-03-20 | Parkervision, Inc. | Methods and systems for down-converting a signal using a complementary transistor structure |
US7218899B2 (en) | 2000-04-14 | 2007-05-15 | Parkervision, Inc. | Apparatus, system, and method for up-converting electromagnetic signals |
US7224749B2 (en) | 1999-04-16 | 2007-05-29 | Parkervision, Inc. | Method and apparatus for reducing re-radiation using techniques of universal frequency translation technology |
US7233969B2 (en) | 2000-11-14 | 2007-06-19 | Parkervision, Inc. | Method and apparatus for a parallel correlator and applications thereof |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7245886B2 (en) | 1998-10-21 | 2007-07-17 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US7321640B2 (en) | 2002-06-07 | 2008-01-22 | Parkervision, Inc. | Active polyphase inverter filter for quadrature signal generation |
US7379515B2 (en) | 1999-11-24 | 2008-05-27 | Parkervision, Inc. | Phased array antenna applications of universal frequency translation |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7483686B2 (en) | 1999-03-03 | 2009-01-27 | Parkervision, Inc. | Universal platform module and methods and apparatuses relating thereto enabled by 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 |
US7529522B2 (en) | 1998-10-21 | 2009-05-05 | Parkervision, Inc. | Apparatus and method for communicating an input signal in polar representation |
US7554508B2 (en) | 2000-06-09 | 2009-06-30 | Parker Vision, Inc. | Phased array antenna applications on universal frequency translation |
US7599421B2 (en) | 1999-03-15 | 2009-10-06 | Parkervision, Inc. | Spread spectrum applications of universal frequency translation |
US7653145B2 (en) | 1999-08-04 | 2010-01-26 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7653158B2 (en) | 2001-11-09 | 2010-01-26 | Parkervision, Inc. | Gain control in a communication channel |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7697916B2 (en) | 1998-10-21 | 2010-04-13 | Parkervision, Inc. | Applications of universal frequency translation |
US7724845B2 (en) | 1999-04-16 | 2010-05-25 | Parkervision, Inc. | Method and system for down-converting and electromagnetic signal, and transforms for same |
US7773688B2 (en) | 1999-04-16 | 2010-08-10 | Parkervision, Inc. | Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US20120313428A1 (en) * | 2010-02-16 | 2012-12-13 | Panasonic Corporation | Communication system and electronic choke circuit |
US20190173296A1 (en) * | 2017-12-04 | 2019-06-06 | Bell Helicopter Textron Inc. | Integrated capacitive discharge electrical bonding assurance system |
US11588421B1 (en) | 2019-08-15 | 2023-02-21 | Robert M. Lyden | Receiver device of energy from the earth and its atmosphere |
-
1970
- 1970-12-28 US US101871A patent/US3694754A/en not_active Expired - Lifetime
Cited By (77)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352207A (en) * | 1980-04-18 | 1982-09-28 | R.F. Technical Products, Inc. | Noise suppression circuit |
US4843401A (en) * | 1988-01-26 | 1989-06-27 | Atlantic Richfield | Method and apparatus for generating and radiating electromagnetic energy |
US5152010A (en) * | 1989-12-29 | 1992-09-29 | American Nucleonics Corporation | Highly directive radio receiver employing relatively small antennas |
US5406297A (en) * | 1991-04-09 | 1995-04-11 | Comtec Industries | Inventory management system |
US5963144A (en) * | 1997-05-30 | 1999-10-05 | Single Chip Systems Corp. | Cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags to increase interrogation reliability |
AU754191B2 (en) * | 1998-02-12 | 2002-11-07 | Nec Corporation | Device load variation protection circuit |
US6144535A (en) * | 1998-02-12 | 2000-11-07 | Nec Corporation | Device load variation protection circuit |
US8160534B2 (en) | 1998-10-21 | 2012-04-17 | Parkervision, Inc. | Applications of universal frequency translation |
US7245886B2 (en) | 1998-10-21 | 2007-07-17 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US8233855B2 (en) | 1998-10-21 | 2012-07-31 | Parkervision, Inc. | Up-conversion based on gated information signal |
US8190108B2 (en) | 1998-10-21 | 2012-05-29 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7194246B2 (en) | 1998-10-21 | 2007-03-20 | Parkervision, Inc. | Methods and systems for down-converting a signal using a complementary transistor structure |
US7218907B2 (en) * | 1998-10-21 | 2007-05-15 | Parkervision, Inc. | Method and circuit for down-converting a signal |
US8190116B2 (en) | 1998-10-21 | 2012-05-29 | Parker Vision, Inc. | Methods and systems for down-converting a signal using a complementary transistor structure |
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 |
US8340618B2 (en) | 1998-10-21 | 2012-12-25 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US8019291B2 (en) | 1998-10-21 | 2011-09-13 | Parkervision, Inc. | Method and system for frequency down-conversion and frequency up-conversion |
US7936022B2 (en) | 1998-10-21 | 2011-05-03 | Parkervision, Inc. | Method and circuit for down-converting a signal |
US20050009494A1 (en) * | 1998-10-21 | 2005-01-13 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7937059B2 (en) | 1998-10-21 | 2011-05-03 | Parkervision, Inc. | Converting an electromagnetic signal via sub-sampling |
US7308242B2 (en) | 1998-10-21 | 2007-12-11 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7865177B2 (en) | 1998-10-21 | 2011-01-04 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US7826817B2 (en) | 1998-10-21 | 2010-11-02 | Parker Vision, Inc. | Applications of universal frequency translation |
US7697916B2 (en) | 1998-10-21 | 2010-04-13 | Parkervision, Inc. | Applications of universal frequency translation |
US7376410B2 (en) | 1998-10-21 | 2008-05-20 | Parkervision, Inc. | Methods and systems for down-converting a signal using a complementary transistor structure |
US7693502B2 (en) | 1998-10-21 | 2010-04-06 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, transforms for same, and aperture relationships |
US7620378B2 (en) | 1998-10-21 | 2009-11-17 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US7529522B2 (en) | 1998-10-21 | 2009-05-05 | Parkervision, Inc. | Apparatus and method for communicating an input signal in polar representation |
US7389100B2 (en) | 1998-10-21 | 2008-06-17 | Parkervision, Inc. | Method and circuit for down-converting a signal |
US7483686B2 (en) | 1999-03-03 | 2009-01-27 | Parkervision, Inc. | Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology |
US7599421B2 (en) | 1999-03-15 | 2009-10-06 | Parkervision, Inc. | Spread spectrum applications of universal frequency translation |
US8036304B2 (en) | 1999-04-16 | 2011-10-11 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8229023B2 (en) | 1999-04-16 | 2012-07-24 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
US8594228B2 (en) | 1999-04-16 | 2013-11-26 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8224281B2 (en) | 1999-04-16 | 2012-07-17 | Parkervision, Inc. | Down-conversion of an electromagnetic signal with feedback control |
US8223898B2 (en) | 1999-04-16 | 2012-07-17 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US7539474B2 (en) | 1999-04-16 | 2009-05-26 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US7224749B2 (en) | 1999-04-16 | 2007-05-29 | Parkervision, Inc. | Method and apparatus for reducing re-radiation using techniques of universal frequency translation technology |
US8077797B2 (en) | 1999-04-16 | 2011-12-13 | Parkervision, Inc. | Method, system, and apparatus for balanced frequency up-conversion of a baseband signal |
US7272164B2 (en) | 1999-04-16 | 2007-09-18 | Parkervision, Inc. | Reducing DC offsets using spectral spreading |
US7929638B2 (en) | 1999-04-16 | 2011-04-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
US7894789B2 (en) | 1999-04-16 | 2011-02-22 | Parkervision, Inc. | Down-conversion of an electromagnetic signal with feedback control |
US7321751B2 (en) | 1999-04-16 | 2008-01-22 | Parkervision, Inc. | Method and apparatus for improving dynamic range in a communication system |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7773688B2 (en) | 1999-04-16 | 2010-08-10 | Parkervision, Inc. | Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors |
US7724845B2 (en) | 1999-04-16 | 2010-05-25 | Parkervision, Inc. | Method and system for down-converting and electromagnetic signal, and transforms for same |
US7653145B2 (en) | 1999-08-04 | 2010-01-26 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7546096B2 (en) | 1999-08-23 | 2009-06-09 | Parkervision, Inc. | Frequency up-conversion using a harmonic generation and extraction module |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7379515B2 (en) | 1999-11-24 | 2008-05-27 | Parkervision, Inc. | Phased array antenna applications of universal frequency translation |
US7386292B2 (en) | 2000-04-14 | 2008-06-10 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7218899B2 (en) | 2000-04-14 | 2007-05-15 | Parkervision, Inc. | Apparatus, system, and method for up-converting electromagnetic signals |
US7496342B2 (en) | 2000-04-14 | 2009-02-24 | Parkervision, Inc. | Down-converting electromagnetic signals, including controlled discharge of capacitors |
US7822401B2 (en) | 2000-04-14 | 2010-10-26 | Parkervision, Inc. | Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor |
US8295800B2 (en) | 2000-04-14 | 2012-10-23 | Parkervision, Inc. | Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor |
US20020003841A1 (en) * | 2000-04-28 | 2002-01-10 | Konig Florian Meinhard | Method of high-frequency signal transmission |
US7224738B2 (en) * | 2000-04-28 | 2007-05-29 | Koenig Florian Meinhard | Method of high-frequency signal transmission |
US7554508B2 (en) | 2000-06-09 | 2009-06-30 | Parker Vision, Inc. | Phased array antenna applications on universal frequency translation |
US7233969B2 (en) | 2000-11-14 | 2007-06-19 | Parkervision, Inc. | Method and apparatus for a parallel correlator and applications thereof |
US7433910B2 (en) | 2000-11-14 | 2008-10-07 | Parkervision, Inc. | Method and apparatus for the parallel correlator and applications thereof |
US7991815B2 (en) | 2000-11-14 | 2011-08-02 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation 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 |
US8446994B2 (en) | 2001-11-09 | 2013-05-21 | Parkervision, Inc. | Gain control in a communication channel |
US7653158B2 (en) | 2001-11-09 | 2010-01-26 | Parkervision, Inc. | Gain control in a 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 |
US8160196B2 (en) | 2002-07-18 | 2012-04-17 | Parkervision, Inc. | Networking methods and systems |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US8407061B2 (en) | 2002-07-18 | 2013-03-26 | Parkervision, Inc. | Networking methods and systems |
US7369831B2 (en) | 2004-02-04 | 2008-05-06 | Casio Computer Co., Ltd. | Radio wave receive, radio wave reception integrated circuit, wave clock, and repeater |
US20050170795A1 (en) * | 2004-02-04 | 2005-08-04 | Casio Computer Co., Ltd. | Radio wave receive, radio wave reception integrated circuit, wave clock, and repeater |
US20070038560A1 (en) * | 2005-08-12 | 2007-02-15 | Carl Ansley | Transaction payment system and processing |
US20120313428A1 (en) * | 2010-02-16 | 2012-12-13 | Panasonic Corporation | Communication system and electronic choke circuit |
US20190173296A1 (en) * | 2017-12-04 | 2019-06-06 | Bell Helicopter Textron Inc. | Integrated capacitive discharge electrical bonding assurance system |
US10574066B2 (en) * | 2017-12-04 | 2020-02-25 | Bell Helicopter Textron Inc. | Integrated capacitive discharge electrical bonding assurance system |
US11588421B1 (en) | 2019-08-15 | 2023-02-21 | Robert M. Lyden | Receiver device of energy from the earth and its atmosphere |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: TRACOR AEROSPACE AUSTIN INC Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:TRACOR INC A TX CORP;REEL/FRAME:004188/0864 Effective date: 19830901 |
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AS | Assignment |
Owner name: TORONTO-DOMINION BANK, THE,STATELESS Free format text: SECURITY INTEREST;ASSIGNOR:TRACOR, INC., (SEE RECORD FOR REMAINING GRANTORS);REEL/FRAME:004829/0701 Effective date: 19871216 Owner name: TORONTO-DOMINION BANK, THE Free format text: SECURITY INTEREST;ASSIGNOR:TRACOR, INC., (SEE RECORD FOR REMAINING GRANTORS);REEL/FRAME:004829/0701 Effective date: 19871216 Owner name: TORONTO-DOMINION BANK, THE, AS AGENT Free format text: SECURITY INTEREST;ASSIGNOR:TRACOR, INC.;REEL/FRAME:004810/0283 Effective date: 19871216 |
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AS | Assignment |
Owner name: TORONTO-DOMINION BANK, THE Free format text: SECURITY INTEREST;ASSIGNORS:TRACOR, INC.;LITTLEFUSE, INC.;TRACOR AEROSPACE, INC.;AND OTHERS;REEL/FRAME:005234/0127 Effective date: 19880801 Owner name: BANK OF AMERICA NATIONAL TRUST AND SAVING ASSOCIAT Free format text: SECURITY INTEREST;ASSIGNOR:TORONTO DOMINION BANK, THE,;REEL/FRAME:005284/0163 Effective date: 19880801 Owner name: BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIA Free format text: SECURITY INTEREST;ASSIGNOR:TORONTO-DOMINION BANK THE;REEL/FRAME:005224/0751 Effective date: 19880801 Owner name: BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIA Free format text: SECURITY INTEREST;ASSIGNORS:TORONTO-DOMINION BANK;TRACOR, INC.;REEL/FRAME:005224/0276 Effective date: 19880801 Owner name: BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIA Free format text: SECURITY INTEREST;ASSIGNOR:TRACOR, INC.;REEL/FRAME:005217/0247 Effective date: 19880801 Owner name: BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIA Free format text: SECURITY INTEREST;ASSIGNOR:TRACOR INC.;REEL/FRAME:005217/0224 Effective date: 19880801 Owner name: BANK OF AMERICA AS AGENT Free format text: SECURITY INTEREST;ASSIGNOR:TORONTO-DOMINION BANK, THE;REEL/FRAME:005197/0122 Effective date: 19880801 |
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Owner name: TRACOR, INC. Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION AS COLLATERAL AGENT;REEL/FRAME:005957/0562 Effective date: 19911220 Owner name: TRACOR, INC. Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION AS COLLATERAL AGENT;REEL/FRAME:005957/0542 Effective date: 19911227 Owner name: TRACOR AEROSPACE, INC. A DE CORPORATION, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:OTC TRACOR AEROSPACE, INC., A TX CORPORATION;REEL/FRAME:005955/0330 Effective date: 19911220 Owner name: CONTINENTAL BANK N.A. Free format text: SECURITY INTEREST;ASSIGNOR:TRACOR AEROSPACE, INC.;REEL/FRAME:005955/0268 Effective date: 19911227 Owner name: OTC TRACOR AEROSPACE, INC. Free format text: CHANGE OF NAME;ASSIGNOR:TRACOR AEROSPACE, INC.;REEL/FRAME:005955/0250 Effective date: 19911122 |
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Owner name: TRACOR AEROSPACE, INC., TEXAS Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:CONTINENTAL BANK N.A.;REEL/FRAME:006683/0028 Effective date: 19930823 Owner name: BANKERS TRUST COMPANY, NEW YORK Free format text: SECURITY INTEREST;ASSIGNOR:TRACOR AEROSPACE, INC.;REEL/FRAME:006674/0934 Effective date: 19930825 |