NL7004769A - - Google Patents

Info

Publication number
NL7004769A
NL7004769A NL7004769A NL7004769A NL7004769A NL 7004769 A NL7004769 A NL 7004769A NL 7004769 A NL7004769 A NL 7004769A NL 7004769 A NL7004769 A NL 7004769A NL 7004769 A NL7004769 A NL 7004769A
Authority
NL
Netherlands
Application number
NL7004769A
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 NL7004769A publication Critical patent/NL7004769A/xx

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0025Crystal modifications; Special X-ray patterns
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B11/00Transmission systems employing ultrasonic, sonic or infrasonic waves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08Calling by using continuous AC
    • H04Q9/12Calling by using continuous AC using combinations of frequencies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00Communications, electrical: acoustic wave systems and devices
    • Y10S367/901Noise or unwanted signal reduction in nonseismic receiving system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
NL7004769A 1969-04-03 1970-04-03 NL7004769A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6910366A FR2040580A5 (https=) 1969-04-03 1969-04-03

Publications (1)

Publication Number Publication Date
NL7004769A true NL7004769A (https=) 1970-10-06

Family

ID=9031919

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7004769A NL7004769A (https=) 1969-04-03 1970-04-03

Country Status (8)

Country Link
US (1) US3717844A (https=)
BE (1) BE747972A (https=)
CA (1) CA923216A (https=)
DE (1) DE2015773A1 (https=)
FR (1) FR2040580A5 (https=)
GB (1) GB1310411A (https=)
NL (1) NL7004769A (https=)
SE (1) SE380957B (https=)

Families Citing this family (65)

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US4065747A (en) * 1975-11-28 1977-12-27 Bunker Ramo Corporation Acoustical underwater communication system for command control and data
FR2459895A1 (fr) * 1979-06-25 1981-01-16 Secoma Dispositif d'alimentation et de commande a distance pour une pluralite de recepteurs hydrauliques disposes sur un meme engin
GB2182180A (en) * 1985-10-30 1987-05-07 Otis Eng Co Electronic control system with fiber optic link
US4937821A (en) * 1987-01-27 1990-06-26 Readtronics Pipeline information delivery system
US4800541A (en) * 1987-02-12 1989-01-24 Canadian Patents And Development Limited Method for underwater acoustic direction sensing
US5099346A (en) * 1988-01-27 1992-03-24 Spectrix Corporation Infrared communications network
US5247380A (en) * 1988-01-27 1993-09-21 Spectrix Corp Infrared communications network
DE4033292A1 (de) * 1990-10-19 1992-04-23 Uwatec Ag Ueberwachungsvorrichtung fuer mobile atemgeraete
US5251187A (en) * 1991-03-20 1993-10-05 Parra Jorge M Method and apparatus for separating dolphin from tuna and steering dolphin to a safe area
US6002640A (en) * 1997-05-15 1999-12-14 Geo-X Systems, Inc. Seismic data acquisition system
EP0981767B1 (en) * 1997-05-15 2007-03-14 Geo-x Systems Ltd. Seismic data acquisition system
DE19742716C5 (de) * 1997-09-26 2005-12-01 Phoenix Contact Gmbh & Co. Kg Steuer- und Datenübertragungsanlage und Verfahren zum Übertragen von sicherheitsbezogenen Daten
US6018501A (en) * 1997-12-10 2000-01-25 Halliburton Energy Services, Inc. Subsea repeater and method for use of the same
JP4228354B2 (ja) * 1997-12-22 2009-02-25 Smc株式会社 電空レギュレータシステム
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
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
US6560301B1 (en) * 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
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
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
US7295826B1 (en) 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
US7321735B1 (en) 1998-10-21 2008-01-22 Parkervision, Inc. Optical down-converter using universal frequency translation technology
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
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
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
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
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
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
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
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
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
US6885918B2 (en) * 2000-06-15 2005-04-26 Geo-X Systems, Ltd. Seismic monitoring and control method
US6584406B1 (en) 2000-06-15 2003-06-24 Geo-X Systems, Ltd. Downhole process control method utilizing seismic communication
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
WO2002088516A1 (en) * 2001-04-30 2002-11-07 Shell Internationale Research Maatschappij B.V. Subsea drilling riser disconnect system and method
US6977867B2 (en) * 2001-06-05 2005-12-20 Geo-X Systems, Ltd. Seismic data acquisition system
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
US6942034B2 (en) * 2002-02-01 2005-09-13 Geo-X Systems, Ltd. Extent of detonation determination method using seismic energy
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
GB2415041B (en) * 2003-03-20 2006-10-11 Baker Hughes Inc Use of pattern recognition in a measurement of formation transit time for seismic checkshots
US8305227B2 (en) * 2005-06-15 2012-11-06 Wfs Technologies Ltd. Wireless auxiliary monitoring and control system for an underwater installation
RU2297641C1 (ru) * 2005-11-21 2007-04-20 Вячеслав Адамович Заренков Радиогидроакустическое устройство для дистанционного отсоединения подводного изделия и контроля его местоположения на поверхности моря
GB2478761B (en) * 2010-03-17 2012-02-22 Wfs Technologies Ltd Wireless auxiliary monitoring and control system for an underwater installation
WO2020261431A1 (ja) * 2019-06-26 2020-12-30 日本電信電話株式会社 通信システム、子局、および通信方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2282102A (en) * 1940-12-12 1942-05-05 Rca Corp Signaling
US2643369A (en) * 1945-09-28 1953-06-23 Theodore M Manley Modulated pulse remote control
US3299358A (en) * 1963-01-23 1967-01-17 Philco Ford Corp Remote control receiver with a detector responsive only to unmodulated carrier wave
US3348226A (en) * 1963-08-12 1967-10-17 Edgar H Fischer Automaton command circuit
US3313160A (en) * 1964-06-29 1967-04-11 David A Goldman Remote meter reading system
US3427554A (en) * 1967-07-03 1969-02-11 Honeywell Inc Control apparatus

Also Published As

Publication number Publication date
BE747972A (fr) 1970-08-31
US3717844A (en) 1973-02-20
CA923216A (en) 1973-03-20
GB1310411A (en) 1973-03-21
DE2015773A1 (de) 1970-10-15
FR2040580A5 (https=) 1971-01-22
SE380957B (sv) 1975-11-17

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