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Device for measuring small electrical currents
A string galvanometer is a sensitive fast-responding measuring instrument that uses a single fine filament of wire suspended in a strong magnetic field
String_galvanometer
Instrument to measure electric current
A galvanometer is an electromechanical measuring instrument for electric current. Early galvanometers were uncalibrated, but improved versions, called
Galvanometer
Examination of the heart's electrical activity
to the electrocardiograph's development. Willem Einthoven's 1903 string galvanometer enabled precise measurement of these signals, revolutionizing cardiography
Electrocardiography
Type of ammeter
A mirror galvanometer is an ammeter that indicates it has sensed an electric current by deflecting a light beam with a mirror. The beam of light projected
Mirror_galvanometer
Concept in electrocardiography
the hands and feet in pails of salt water, as the contacts for his string galvanometer, the first practical ECG machine. Lead I — This axis goes from shoulder
Einthoven's_triangle
Dutch physiologist (1860–1927)
Beginning in 1901, Einthoven completed a series of prototypes of a string galvanometer. This device used a very thin filament of conductive wire passing
Willem_Einthoven
Electrical time sequence measurement
Willem Einthoven. Between 1901 and 1905, Einthoven developed the string galvanometer, which could measure and record the heart's electrical activity.
Flatline
Electrophysiological device
Willem Einthoven, a Dutch physiologist, innovated the use of the string galvanometer for cardiac signal amplification. Significant improvements in amplifier
Bioamplifier
Neural oscillations in the frequency range of 8–12 Hz
from Ukrainian physiologist Vladimir Pravdich-Neminsky, who used a string galvanometer to create a photograph of the electrical activity of a dog's brain
Alpha_wave
Determining gun location from its sounds
The French had made an important development. They had taken the string galvanometer and adapted it to record signals from microphones onto photographic
Artillery_sound_ranging
Leonardo Torres Quevedo 1901–1902 – Rationalization of Units 1901–1905 String Galvanometer 1902 – Poulsen-Arc Radio Transmitter 1903 – Vučje Hydroelectric Plant
List_of_IEEE_Milestones
Topics referred to by the same term
Brock string, an instrument used in vision therapy String galvanometer, an instrument that provided the first practical electrocardiogram (ECG) String sign
String_(disambiguation)
Gaining awareness of biological processes
electrocerebrogram in 1912. Forbes reported the replacement of the string galvanometer with a vacuum tube to amplify the EEG in 1920. The vacuum tube became
Biofeedback
German psychiatrist (1873-1941)
disappointing. He then switched to the string galvanometer and later to a double-coil Siemens recording galvanometer, which allowed him to record electrical
Hans_Berger
Public university in the Netherlands
and the physiologist Willem Einthoven for his invention of the string galvanometer, which among other things, enabled the development of electrocardiography
Leiden_University
British physicist and engineer (1885–1958)
Lakey (October 1926) "The use of a resonant shunt with an Einthoven string galvanometer," Journal of Scientific Instruments, vol. 4, no. 1, pages 8–18. S
Stephen_Butterworth
silhouettes. The Dutch physiologist Willem Einthoven developed the string galvanometer electrocardiograph in the early 20th century, and by 1902, the first
Instruments used in cardiology
Instruments_used_in_cardiology
American electrophysiologist (1877 to 1955)
the methods of Willem Einthoven in 1911. He constructed the first string galvanometer in America, pioneered vectorcardiography, discovered the ventricular
Horatio_Burt_Williams
Welsh cardiologist (1881–1945)
physiologist Willem Einthoven concerning the latter's invention of the string galvanometer and electrocardiography, and Lewis pioneered its use in clinical
Thomas_Lewis_(cardiologist)
when Willem Einthoven, working in Leiden, used his more sensitive string galvanometer, than the capillary electrometer that Waller used. Einthoven assigned
List of Dutch inventions and innovations
List_of_Dutch_inventions_and_innovations
Captured German V-2 rockets modified to carry scientific instruments
pulse spacings back into voltages which were applied to a bank of string galvanometers to make an approximately continuous record of each channel on a moving
V-2_sounding_rocket
Georgian physiologist
method of registering electric currents in nerves and muscles by the string galvanometer that, in turn, Samoilov had learned from Willem Einthoven (1860–1927)
Ivane_Beritashvili
Irish-French chronophotographer
Nationale de la Recherche Scientifique (not printed) 1934 - IJse of the string galvanometer as electrometer. Report to the Centre Nationale de la Recherche Scientifique
Lucien_Bull
Physiological Congress in Brussels and then began to make use of a string galvanometer. He published on ECGs and vagus nerve stimulation experiments on
Alexander Filippovich Samoylov
Alexander_Filippovich_Samoylov
Professor of physiology
phenomena." In 1920 he, with Catharine Thacher, used the Einthoven string galvanometer to record the first scientific application of an electron-tube amplifier
Alexander Forbes (neurophysiologist)
Alexander_Forbes_(neurophysiologist)
American physician and author
Later, he worked with Dr. Thomas Lewis to set up the Einthoven string galvanometer. He worked with Alfred Ezra Mirsky. One of his main areas of study
Alfred_E._Cohn
Electromagnetic oscillographs had replaced the Lippman electrometer and the string galvanometer in electrophysiological experiments. These newly introduced techniques
Frédéric_Bremer
Ukrainian physiologist (1879–1952)
eagerly started his experiments. He used recently invented Einthoven string galvanometer to record brain and muscle electrical signals. As a result of his
Vladimir_Pravdich-Neminsky
of cerebrospinal meningitis" "Research on immunity" "Work on the string galvanometer" “for his discovery of the mechanism of the electrocardiogram” "Work
List of nominees for the Nobel Prize in Physiology or Medicine (1910–1919)
List_of_nominees_for_the_Nobel_Prize_in_Physiology_or_Medicine_(1910–1919)
Instrument used to study object movement
for instance rotating mirrors, or vibrating mirrors known as mirror galvanometers.{citation needed} In 1917, French engineer Etienne Oehmichen patented
Stroboscope
Device that converts energy from one form to another
Air flow sensors Electroactive polymers Rotary motors, linear motors Galvanometers Linear variable differential transformers or rotary variable differential
Transducer
Precision ratio voltage divider used in electrical calibration
using a Wheatstone bridge circuit and a sensitive null detector — a galvanometer in the 19th century, or an electronically amplified instrument today
Kelvin–Varley_divider
In the secondary wire he inserted a galvanometer. On making his first test he observed no results, the galvanometer remaining quiescent, but on increasing
History of electromagnetic theory
History_of_electromagnetic_theory
Instrument for measuring electric charge
light reflected from a small mirror attached to the sector, just as in a galvanometer. The engraving on the right shows a slightly different form of this electrometer
Electrometer
on a needle swung by an electromagnet (a galvanometer) which drew a line on a moving paper tape. Each string of damped waves constituting a Morse "dot"
History_of_radio_receivers
contributing to the development of the galvanometer. In 1821, he proposed a telegraphy system utilizing one wire per "galvanometer" to indicate each letter, and
Timeline of electromagnetism and classical optics
Timeline_of_electromagnetism_and_classical_optics
Detailed record of borehole contents
Doll and G. Dechatre, working for Schlumberger, discovered that the galvanometer wiggled even when no current was being passed through the logging cables
Well_logging
Cardan grille (cryptography) Philip Cardew (1851–1910), UK – Hot-wire galvanometer Chester Carlson (1906–1968), U.S. – Xerographic copier Wallace Carothers
List_of_inventors
well-known Daniell cell. When this acid-alkali cell was monitored by a galvanometer, current was found to be constant for an hour, the first instance of
History_of_electrochemistry
Scientific instrument used to measure fluid flow (rheology)
devices to measure electric current, until the word was supplanted by galvanometer and ammeter. It was also used for the measurement of the flow of liquids
Rheometer
Magnetic phenomenon
of copper wire wound on a rectangular frame (like the coil of an old galvanometer), and supplied with alternate currents from an ordinary Ruhmkorff induction
Arago's_rotations
American inventor of radio
allow the galvanometer to work). Appleby noted that Loomis's notebooks did not include any information about a specific type of galvanometer, and "there
Mahlon_Loomis
Dutch composer, visual and sound artist
Lost for Words, in which various recordings are input into several galvanometers, attached to which are metal springs which vibrate more readily at some
Paul_Panhuysen
Church in Greater Manchester, England
contains a three-light louvred bell opening on each side, and above them a string course with gargoyles. At the top of the tower is an embattled parapet,
Church of St Mary the Virgin, Prestwich
Church_of_St_Mary_the_Virgin,_Prestwich
Branch of underwater warfare
shore station once a 'swing' had been detected on the indicator loop galvanometer. Indicator loops used with controlled mining were known as 'guard loops'
Anti-submarine_warfare
Vibrating sample magnetometer Vibrating string Vibrating structure gyroscope Vibration Vibration galvanometer Vibration isolation Vibrational analysis
Index_of_physics_articles_(V)
Class of radio antenna
waves which induced currents in the other wire, detected by a sensitive galvanometer. Starting in 1882, Amos Dolbear also used grounded vertical wire antennas
Monopole_antenna
main pulse, cancelling the worst of the retarded signal. The mirror galvanometer designed by Lord Kelvin made it easier to read weak signals, and larger
Electrical telegraphy in the United Kingdom
Electrical_telegraphy_in_the_United_Kingdom
List of definitions of terms and concepts used in electrical engineering and electronics
corrosion Electrochemical corrosion of one metal in contact with another. galvanometer An instrument for detecting small electric currents. gamma ray Electromagnetic
Glossary of electrical and electronics engineering
Glossary_of_electrical_and_electronics_engineering
phosphide Gallium indium arsenide antimonide phosphide Galvanoluminescence Galvanometer Gamma-ray astronomy Gamma-ray burst Gamma-ray burst emission mechanisms
Index_of_physics_articles_(G)
Ball lightning Ballistic coefficient Ballistic conduction Ballistic galvanometer Ballistic pendulum Ballistic reentry Ballistic transport Ballotechnics
Index_of_physics_articles_(B)
Season of television series
polygraph's galvanometer and then employing actual and imagined harm upon the plants or upon others in the plant's vicinity. The galvanometer showed some
MythBusters_(2006_season)
British medical doctor (1814–1854)
hand, as they were used in the frog galvanoscope. The electromagnetic galvanometer was available at the time, but frogs' legs were still used by Bird because
Golding_Bird
various microwave components. He connected receivers to a sensitive galvanometer, and developed crystals to be used as a receiver. The crystals operated
History_of_metamaterials
STRING GALVANOMETER
STRING GALVANOMETER
Surname or Lastname
English
English : perhaps be a nickname from Middle English daring ‘trembling’, ‘crouching or transfixed with fear’.
Boy/Male
Anglo, British, English
Strong
Surname or Lastname
German and Jewish (Ashkenazic)
German and Jewish (Ashkenazic) : from Middle High German hærinc ‘herring’, German Hering, a nickname for someone supposedly resembling a herring or a metonymic occupational name for a fish seller. In some cases the Jewish surname is ornamental.English : variant spelling of Herring.
Surname or Lastname
English
English : unexplained.
Surname or Lastname
English
English : variant of Spring.
Boy/Male
British, English
Spike of Grain
Female
English
English name derived from the season name, "spring," (Mar. 21 thru Jun. 21), derived from the verb spring, "to burst forth," from Proto-Indo-European *sprengh-, SPRING means "rapid movement."Â
Surname or Lastname
English
English : metonymic occupational name for a maker of strings or bow strings, from Middle English streng ‘string’, ‘cord’.
Girl/Female
Hindu, Indian
Strong; Caring
Girl/Female
American, Australian, Bengali, British, Christian, English, Indian
Springtime; Spring Season; Rapid Movement
Surname or Lastname
English
English : occupational name for a maker of string or bow strings, from an agent derivative of Middle English streng ‘string’. In Yorkshire, where it is still particularly common, Redmonds argues that the surname may have been connected with iron working, a stringer having operated some form of specialist hearth.
Surname or Lastname
English
English : habitational name from places in Oxfordshire and West Sussex named Goring, from Old English GÄringas ‘people of GÄra’, a short form of the various compound names with the first element gÄr ‘spear’.German (Göring) : see Goering.
Surname or Lastname
English
English : of uncertain origin. Early examples, as for example William Spring (Yorkshire 1280), all point to a personal name or nickname, perhaps going back to an Old English byname derived from the verb springan ‘to jump or leap’ (see Springer 1). Alternatively, it could be a topographic name from Middle English spring ‘young wood’, ‘spring’. Compare Springer. Reaney derives the surname from the word denoting the season, although the word is not attested in this sense until the 16th century, the usual Middle English word being lenten. Compare Lenz. The surname has also been established in Ireland (County Kerry) for several centuries.German : from Middle High German sprinc, Middle Low German sprink ‘spring’, ‘well’, hence a topographic name for someone who lived by a spring or well, or habitational name from Springe near Hannover.Jewish (Ashkenazic) : variant of Springer.John Spring emigrated from England and settled in Watertown, MA, in 1634.
Female
English
Variant spelling of English Serena, SARINA means "serene, tranquil."
Surname or Lastname
English
English : from Middle English strong, strang ‘strong’, generally a nickname for a strong man but perhaps sometimes applied ironically to a weakling.French : translation of Trahand, a metonymic occupational name for a silkworker who drew out the thread from the cocoons (see Trahan).Translation of Ashkenazic Jewish Stark.
Boy/Male
Assamese, Indian
Sining
Boy/Male
American, Australian, British, English
Powerful
Female
English
English variant spelling of Latin Serena, SERINA means "serene, tranquil."
Female
Romanian
Feminine form of Romanian Sorin, SORINA means "sun."
Girl/Female
Indian
Lively, Entertainer, From a stream or a Spring, The Spring season, The Spring season
STRING GALVANOMETER
STRING GALVANOMETER
Boy/Male
Hebrew
Man of the red earth. Adam was the first man created by God.
Male
Norse
Old Norse name composed of the element hallr "rock" and the name Thor (�órr), hence "Thor's rock." In mythology, this is the name of a god of thunder.
Girl/Female
Bengali, Danish, Hindu, Indian, Oriya, Tamil, Telugu
Goddess Saraswati; Colours
Male
English
(ÎœÏÏων) Greek name adopted by early English Christians because of its association with the gift of myrrh given to Jesus by the Magi, derived from the Greek word myron, MYRON means "myrrh."
Surname or Lastname
English
English : habitational name for someone from Crewe in Cheshire, named with Old Welsh criu ‘weir’. This denoted a wickerwork fence that was stretched across a river to catch fish.
Boy/Male
Hindu, Indian
Satisfied
Boy/Male
English
Butcher.
Girl/Female
American, Australian, British, English, French, German, Jamaican
Valiant Fighter; Thor's Stone
Boy/Male
Indian
The person who have religious
Boy/Male
Indian, Kannada
Creator; Creative; Invention
STRING GALVANOMETER
STRING GALVANOMETER
STRING GALVANOMETER
STRING GALVANOMETER
STRING GALVANOMETER
superl.
Solid; nourishing; as, strong meat.
n.
A thread or cord on which a number of objects or parts are strung or arranged in close and orderly succession; hence, a line or series of things arranged on a thread, or as if so arranged; a succession; a concatenation; a chain; as, a string of shells or beads; a string of dried apples; a string of houses; a string of arguments.
a.
Strong.
p. p.
of String
superl.
Having great military or naval force; powerful; as, a strong army or fleet; a nation strong at sea.
superl.
Adapted to make a deep or effectual impression on the mind or imagination; striking or superior of the kind; powerful; forcible; cogent; as, a strong argument; strong reasons; strong evidence; a strong example; strong language.
superl.
Having passive physical power; having ability to bear or endure; firm; hale; sound; robust; as, a strong constitution; strong health.
v. t.
To furnish with strings; as, to string a violin.
a.
Consisting of strings, or small threads; fibrous; filamentous; as, a stringy root.
superl.
Ardent; eager; zealous; earnestly engaged; as, a strong partisan; a strong Whig or Tory.
v. t.
To put on a string; to file; as, to string beads.
superl.
Affecting any sense powerfully; as, strong light, colors, etc.; a strong flavor of onions; a strong scent.
n.
A small cord, a line, a twine, or a slender strip of leather, or other substance, used for binding together, fastening, or tying things; a cord, larger than a thread and smaller than a rope; as, a shoe string; a bonnet string; a silken string.
imp.
of String
superl.
Well established; firm; not easily overthrown or altered; as, a strong custom; a strong belief.
v. t.
To deprive of strings; to strip the strings from; as, to string beans. See String, n., 9.
superl.
Having virtues of great efficacy; or, having a particular quality in a great degree; as, a strong powder or tincture; a strong decoction; strong tea or coffee.
superl.
Moving with rapidity or force; violent; forcible; impetuous; as, a strong current of water or wind; the wind was strong from the northeast; a strong tide.