GB1589949A - Pulse generators - Google Patents

Pulse generators Download PDF

Info

Publication number
GB1589949A
GB1589949A GB54245/77A GB5424577A GB1589949A GB 1589949 A GB1589949 A GB 1589949A GB 54245/77 A GB54245/77 A GB 54245/77A GB 5424577 A GB5424577 A GB 5424577A GB 1589949 A GB1589949 A GB 1589949A
Authority
GB
United Kingdom
Prior art keywords
coil
current
direct current
pulses
pulse generator
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
Application number
GB54245/77A
Other languages
English (en)
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.)
Smiths Detection Toronto Ltd
Original Assignee
Barringer Research Ltd
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 by Barringer Research Ltd filed Critical Barringer Research Ltd
Publication of GB1589949A publication Critical patent/GB1589949A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/523—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with LC-resonance circuit in the main circuit
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • G01V3/165—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with magnetic or electric fields produced or modified by the object or by the detecting device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB54245/77A 1977-01-04 1977-12-30 Pulse generators Expired GB1589949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA269,077A CA1064584A (en) 1977-01-04 1977-01-04 Pulse generator using lc circuit to energize a coil

Publications (1)

Publication Number Publication Date
GB1589949A true GB1589949A (en) 1981-05-20

Family

ID=4107645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54245/77A Expired GB1589949A (en) 1977-01-04 1977-12-30 Pulse generators

Country Status (6)

Country Link
US (1) US4157579A (US20030220297A1-20031127-C00033.png)
AU (1) AU519823B2 (US20030220297A1-20031127-C00033.png)
BR (1) BR7800021A (US20030220297A1-20031127-C00033.png)
CA (1) CA1064584A (US20030220297A1-20031127-C00033.png)
FR (1) FR2376561A1 (US20030220297A1-20031127-C00033.png)
GB (1) GB1589949A (US20030220297A1-20031127-C00033.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2096769B (en) * 1981-04-14 1985-08-21 Shell Int Research Transmitter for an electromagnetic survey system
CA1133058A (en) * 1982-02-18 1982-10-05 Geonics Limited Electromagnetic geophysical surveying system
US4868504A (en) * 1987-02-09 1989-09-19 Flr, Inc. Apparatus and method for locating metal objects and minerals in the ground with return of energy from transmitter coil to power supply
US5157605A (en) * 1987-04-27 1992-10-20 Schlumberger Technology Corporation Induction logging method and apparatus including means for combining on-phase and quadrature components of signals received at varying frequencies and including use of multiple receiver means associated with a single transmitter
US4965522A (en) * 1988-11-09 1990-10-23 Schlumberger Technology Corporation Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus
US4996494A (en) * 1989-06-15 1991-02-26 The United States Of America As Represented By The Secretary Of The Air Force Droop compensated PFN driven transformer for generating high voltage, high energy pulses
FR2720840B1 (fr) * 1994-06-02 1996-09-20 Olivier Bardot Procédé d'émission d'un champ électromagnétique et de grande portée, procédé de transmission et de localisation mettant en Óoeuvre ledit procédé d'émission, dispositifs mettant en Óoeuvre lesdits procédés.
UA53671C2 (uk) * 1996-11-07 2003-02-17 Англо Амерікан Корпорейшн Оф Саут Африка Лімітед Генератор імпульсів для збудження котушки періодичними біполярними імпульсами (варіанти) та спосіб генерування послідовності періодичних біполярних імпульсів струму (варіанти)
DE19905003A1 (de) * 1999-02-08 2000-08-10 Wagner Kg Umpolsteuergerät
US6218831B1 (en) * 1999-05-19 2001-04-17 Arthur D. Little, Inc. Low power fluxgate circuit with current balance
AUPR083800A0 (en) * 2000-10-17 2000-11-09 Bhc Consulting Pty Ltd Ground mineralisation rejecting metal detector (power saving)
US9250348B2 (en) 2011-12-19 2016-02-02 Minelab Electronics Pty Limited Transmit signal of a metal detector controlled by feedback loops
RU2570118C1 (ru) * 2014-07-11 2015-12-10 Шлюмберже Текнолоджи Б.В. Устройство для каротажного электромагнитного зондирования (варианты)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317744A (en) * 1963-08-08 1967-05-02 Barringer Research Ltd Pulse generator with capacitor alternately charged by d.c. pulses through s.c.r. switching means and discharged through inductor
DE1219977B (de) * 1965-01-21 1966-06-30 Philips Patentverwaltung Elektronische Schaltvorrichtung zum schnellen Abschalten und Wiedereinschalten von stromdurchflossenen Induktivitaeten
US3400304A (en) * 1966-02-25 1968-09-03 Raytheon Co Current reversing circuit
US3736589A (en) * 1971-12-13 1973-05-29 Westinghouse Electric Corp Means for generating a flat-topped pulse with sine-squared rise and fall characteristics
GB1370187A (en) * 1972-04-11 1974-10-16 Barringer Research Ltd Geophysical prospecting apparatus

Also Published As

Publication number Publication date
AU519823B2 (en) 1981-12-24
FR2376561A1 (fr) 1978-07-28
CA1064584A (en) 1979-10-16
AU3214178A (en) 1979-07-12
US4157579A (en) 1979-06-05
FR2376561B1 (US20030220297A1-20031127-C00033.png) 1983-02-18
BR7800021A (pt) 1978-10-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee