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

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing 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
    • C09B67/0025—Crystal modifications; Special X-ray patterns
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means 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
    • E21B47/14—Means 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements 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
    • H04Q9/08—Calling by using continuous ac
    • H04Q9/12—Calling by using continuous ac using combinations of frequencies
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system

Landscapes

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

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7004769A true NL7004769A (fr) 1970-10-06

Family

ID=9031919

Family Applications (1)

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

Country Status (8)

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

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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
EP0981767B1 (fr) * 1997-05-15 2007-03-14 Geo-x Systems Ltd. Systeme d'acquisition de donnees sismiques
US6002640A (en) * 1997-05-15 1999-12-14 Geo-X Systems, Inc. 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
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
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
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
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
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US7321735B1 (en) 1998-10-21 2008-01-22 Parkervision, Inc. Optical down-converter using universal frequency translation technology
US7039372B1 (en) * 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6560301B1 (en) * 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
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
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
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
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
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
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
US6584406B1 (en) 2000-06-15 2003-06-24 Geo-X Systems, Ltd. Downhole process control method utilizing seismic communication
US6885918B2 (en) * 2000-06-15 2005-04-26 Geo-X Systems, Ltd. Seismic monitoring and control method
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
GB2391889A (en) * 2001-04-30 2004-02-18 Shell Int Research Subsea drilling riser disconnect system and method
US6977867B2 (en) * 2001-06-05 2005-12-20 Geo-X Systems, Ltd. Seismic data acquisition system
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
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
WO2004086093A1 (fr) * 2003-03-20 2004-10-07 Baker Hughes Incorporated Utilisation de la reconnaissance de formes dans la mesure d'un temps de parcours de formation pour tirs de controle sismiques
US8305227B2 (en) * 2005-06-15 2012-11-06 Wfs Technologies Ltd. Wireless auxiliary monitoring and control system for an underwater installation
GB2478761B (en) * 2010-03-17 2012-02-22 Wfs Technologies Ltd Wireless auxiliary monitoring and control system for an underwater installation
US20220368430A1 (en) * 2019-06-26 2022-11-17 Nippon Telegraph And Telephone Corporation Communication System, Slave Station, and Communication Method

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

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