DE68912971D1 - Im Time Sharing Betrieb arbeitender Leistungsverstärker. - Google Patents

Im Time Sharing Betrieb arbeitender Leistungsverstärker.

Info

Publication number: DE68912971D1
Authority: DE; Germany
Prior art keywords: power amplifier; time sharing; sharing mode; amplifier working; working
Prior art date: 1988-06-16
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

Application number

DE89110794T

Other languages

English (en)

Other versions

DE68912971T2 (de

Inventor

Howard L Weinberger

Jamal Sarraf

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

DirecTV Group Inc

Original Assignee

Hughes Aircraft Co

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.)

1988-06-16

Filing date

1989-06-14

Publication date

1994-03-24

1989-06-14 Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co

1994-03-24 Publication of DE68912971D1 publication Critical patent/DE68912971D1/de

1994-08-25 Application granted granted Critical

1994-08-25 Publication of DE68912971T2 publication Critical patent/DE68912971T2/de

2009-06-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations

DE68912971T 1988-06-16 1989-06-14 Im Time Sharing Betrieb arbeitender Leistungsverstärker. Expired - Lifetime DE68912971T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/207,425 US4995055A (en)	1988-06-16	1988-06-16	Time shared very small aperture satellite terminals

Publications (2)

Publication Number	Publication Date
DE68912971D1 true DE68912971D1 (de)	1994-03-24
DE68912971T2 DE68912971T2 (de)	1994-08-25

Family

ID=22770497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68912971T Expired - Lifetime DE68912971T2 (de)	1988-06-16	1989-06-14	Im Time Sharing Betrieb arbeitender Leistungsverstärker.

Country Status (7)

Country	Link
US (1)	US4995055A (de)
EP (1)	EP0346868B1 (de)
JP (1)	JPH06103861B2 (de)
AU (1)	AU597200B1 (de)
CA (1)	CA1314079C (de)
DE (1)	DE68912971T2 (de)
ES (1)	ES2048788T3 (de)

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DE19609235A1 (de) *	1996-03-09	1997-09-18	Deutsche Telekom Ag	Verfahren und Anordnung zur verbesserten Funkkommunikation in einem Satellitengestützten VSAT-Netz
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
US7236754B2 (en) *	1999-08-23	2007-06-26	Parkervision, Inc.	Method and system for frequency up-conversion
US6049706A (en)	1998-10-21	2000-04-11	Parkervision, Inc.	Integrated frequency translation and selectivity
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
US6542722B1 (en) *	1998-10-21	2003-04-01	Parkervision, Inc.	Method and system for frequency up-conversion with variety of transmitter configurations
US6370371B1 (en)	1998-10-21	2002-04-09	Parkervision, Inc.	Applications of universal frequency translation
US6560301B1 (en)	1998-10-21	2003-05-06	Parkervision, Inc.	Integrated frequency translation and selectivity with a variety of filter embodiments
US6061555A (en)	1998-10-21	2000-05-09	Parkervision, Inc.	Method and system for ensuring reception of a communications signal
US6704549B1 (en)	1999-03-03	2004-03-09	Parkvision, Inc.	Multi-mode, multi-band communication system
US6704558B1 (en)	1999-01-22	2004-03-09	Parkervision, Inc.	Image-reject down-converter and embodiments thereof, such as the family radio service
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
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
US7065162B1 (en)	1999-04-16	2006-06-20	Parkervision, Inc.	Method and system for down-converting an electromagnetic signal, and transforms for same
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
US8295406B1 (en)	1999-08-04	2012-10-23	Parkervision, Inc.	Universal platform module for a plurality of communication protocols
US7082171B1 (en) *	1999-11-24	2006-07-25	Parkervision, Inc.	Phase shifting applications of universal frequency translation
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
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
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
US7327803B2 (en)	2004-10-22	2008-02-05	Parkervision, Inc.	Systems and methods for vector power amplification
US7355470B2 (en) *	2006-04-24	2008-04-08	Parkervision, Inc.	Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US20130078934A1 (en)	2011-04-08	2013-03-28	Gregory Rawlins	Systems and Methods of RF Power Transmission, Modulation, and Amplification
US7911272B2 (en)	2007-06-19	2011-03-22	Parkervision, Inc.	Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8031804B2 (en) *	2006-04-24	2011-10-04	Parkervision, Inc.	Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en)	2006-04-24	2011-05-03	ParkerVision, Inc,	Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8315336B2 (en) *	2007-05-18	2012-11-20	Parkervision, Inc.	Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
JP5190233B2 (ja) *	2006-09-01	2013-04-24	パナソニック株式会社	無線通信装置
US7620129B2 (en) *	2007-01-16	2009-11-17	Parkervision, Inc.	RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008156800A1 (en)	2007-06-19	2008-12-24	Parkervision, Inc.	Combiner-less multiple input single output (miso) amplification with blended control
WO2009005768A1 (en) *	2007-06-28	2009-01-08	Parkervision, Inc.	Systems and methods of rf power transmission, modulation, and amplification
WO2009145887A1 (en) *	2008-05-27	2009-12-03	Parkervision, Inc.	Systems and methods of rf power transmission, modulation, and amplification
EP2715867A4 (de)	2011-06-02	2014-12-17	Parkervision Inc	Antennensteuerung
EP3047348A4 (de)	2013-09-17	2016-09-07	Parkervision Inc	Verfahren, vorrichtung und system für die darstellung einer datenträgerzeitfunktion
US20170363358A1 (en) *	2016-06-21	2017-12-21	Evapco, Inc.	All-secondary air cooled industrial steam condenser

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US3823375A (en) *	1971-11-08	1974-07-09	K Wycoff	System for transmitting priority messages and secondary messages
IT980651B (it) *	1973-03-21	1974-10-10	Cselt Centro Studi Lab Telecom	Sistema elettronico centralizzato di commutazione di segnali tele fonici e dati ad alta velocita
US4038600A (en) *	1976-02-17	1977-07-26	Westinghouse Electric Corporation	Power control on satellite uplinks
US4025855A (en) *	1976-04-30	1977-05-24	General Aviation Electronics, Inc.	Multi-channel R.F. transducer with channel selector coupled to selected channel filter
US4131849A (en) *	1976-10-21	1978-12-26	Motorola, Inc.	Two-way mobile radio voice/data shared communications system
DE2835751C2 (de) *	1978-08-16	1980-07-03	Standard Elektrik Lorenz Ag, 7000 Stuttgart	HF-Leistungsverstärker mit einer Modulationseinrichtung
JPS5544624A (en) *	1978-09-25	1980-03-29	Nec Corp	Information input/output unit
US4352201A (en) *	1979-04-30	1982-09-28	M.L. Engineering (Plymouth) Limited	Data transmission system
US4262355A (en) *	1979-05-11	1981-04-14	Rca Corporation	System for limiting intermodulation distortion of talkspurt signals
JPS5625864A (en) *	1979-08-09	1981-03-12	Nippon Telegr & Teleph Corp <Ntt>	Information transmission system
JPS56161735A (en) *	1980-05-16	1981-12-12	Tech Res & Dev Inst Of Japan Def Agency	Signal transmission circuit
US4338579A (en) *	1980-07-30	1982-07-06	Communications Satelite Corp.	Frequency shift offset quadrature modulation and demodulation
US4418416A (en) *	1981-04-06	1983-11-29	Bell Telephone Laboratories, Incorporated	Frequency modulation transmitter for voice or data
US4481489A (en) *	1981-07-02	1984-11-06	Motorola Inc.	Binary signal modulating circuitry for frequency modulated transmitters

1988
- 1988-06-16 US US07/207,425 patent/US4995055A/en not_active Expired - Lifetime
1989
- 1989-05-26 CA CA000600820A patent/CA1314079C/en not_active Expired - Lifetime
- 1989-05-30 AU AU35812/89A patent/AU597200B1/en not_active Expired
- 1989-06-14 DE DE68912971T patent/DE68912971T2/de not_active Expired - Lifetime
- 1989-06-14 EP EP89110794A patent/EP0346868B1/de not_active Expired - Lifetime
- 1989-06-14 ES ES89110794T patent/ES2048788T3/es not_active Expired - Lifetime
- 1989-06-16 JP JP1152444A patent/JPH06103861B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH0239641A (ja)	1990-02-08
DE68912971T2 (de)	1994-08-25
JPH06103861B2 (ja)	1994-12-14
EP0346868B1 (de)	1994-02-09
ES2048788T3 (es)	1994-04-01
CA1314079C (en)	1993-03-02
US4995055A (en)	1991-02-19
AU597200B1 (en)	1990-05-24
EP0346868A3 (de)	1991-08-07
EP0346868A2 (de)	1989-12-20

Legal Events

Date	Code	Title	Description
1995-03-16	8364	No opposition during term of opposition
2001-03-22	8327	Change in the person/name/address of the patent owner	Owner name: HUGHES ELECTRONICS CORP., EL SEGUNDO, CALIF., US
2008-06-26	8328	Change in the person/name/address of the agent	Representative=s name: WITTE, WELLER & PARTNER, 70178 STUTTGART

Publication	Publication Date	Title
DE68912971T2 (de)	1994-08-25	Im Time Sharing Betrieb arbeitender Leistungsverstärker.
DE3750667D1 (de)	1994-11-24	Leistungsverstärker.
DE58907049D1 (de)	1994-04-07	Stromversorgungsanordnung.
DE69102579T2 (de)	1994-10-06	Kraftwerkzeug.
DE69015418D1 (de)	1995-02-09	Energieversorgung.
DE69016221D1 (de)	1995-03-09	Tragbare Leistungsversorgung.
DE69021735D1 (de)	1995-09-21	Stromversorgungseinheit.
DE68924144T2 (de)	1996-02-01	Kommunikation in Dualbetriebsart.
DE3483587D1 (de)	1990-12-20	Werkzeug im bohrloch.
DE69017080T2 (de)	1995-06-14	VHF-Gleichstrom-Gleichstrom-Leistungsversorgung.
DE68905742D1 (de)	1993-05-06	Leistungsantriebselement.
ATA212488A (de)	1991-06-15	Maschinenschraubstock mit kraftverstaerker
DE3671497D1 (de)	1990-06-28	Werkzeug im bohrloch.
DE58905454D1 (de)	1993-10-07	Halbleiterlaseranordnung für hohe Ausgangsleistung im lateralen Grundmodus.
DE68921718T2 (de)	1995-07-13	Fester Reinigungsmittelblock.
DE69105068D1 (de)	1994-12-15	Kraftwerkzeug.
DE58907550D1 (de)	1994-06-01	Leistungsverstärker.
DE58908675D1 (de)	1995-01-12	Leistungsverstärker.
ATE115495T1 (de)	1994-12-15	Ausgabeanordnung.
FI881031A0 (fi)	1988-03-04	Foerbaettringar till munstycken foer injektion av aemnen in i vaetskor.
DE69022955D1 (de)	1995-11-16	Leistungszufuhr.
DE69013359D1 (de)	1994-11-17	Kraftverstärkeranordnung.
DE3688079T2 (de)	1993-06-24	Stromversorgungsgeraet.
DE58907080D1 (de)	1994-04-07	Phenylpyridine.
DE68912956D1 (de)	1994-03-24	Stromversorgungsanordnung.