«MOVING COIL»に関連する英語の本
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1
Basic Electrical Engineering
The spring also serves as leads to the moving coil. When deflecting torque acts
on the coil, both the control torque and damping torques come into action. The
control torque restrains the rotation of the coil whereas the deflecting torque tries
to ...
1 0.9 PERMANENT MAGNET MOVING COIL INSTRUMENT Permanent magnet
moving coil (PMMC) ammeters and voltmeters are used for measuring current
and voltage respectively in dc systems. These instruments are most accurate for
dc ...
3
Calculations for A-level Physics
The moving-coil meter The commonest type of meter is the 'moving-coil' design.
Its action is explained in detail in Chapter 23. This kind of meter can be very
sensitive and is made so that the pointer deflection is proportional to the current.
T. L. Lowe, John Rounce, 2002
4
A Textbook of Electrical Engineering
Permanent magnet Current and voltage, D.C. Hair springs Eddy current moving
coil only 3. Thermocouple Current and voltage, D.C. As for moving coil As for
moving coil and A.C. 4. Electra-dynamic or Current, voltage and Hair springs Air ...
The majority of pointer-and-scale instruments have the same basic design, in
which a coil turns between the poles of a magnet when a current flows in the coil.
These moving-coil instruments which detect or measure electric current are
called ...
6
Permanent Magnet Materials and Their Application
7.5 Moving coil actuators Moving coil actuators were originally used only as the
voice coils in loudspeakers and similar devices. They have now become
increasingly popular for a wide range of actuation needs, but are frequently still
called ...
7
Electrical Measurements: Fundamentals, Concepts, Applications
Like all other electrical measurement devices moving coil instruments are used to
transform a quantity, for example a voltage, into a form recognizable to a human
observer. This is usually realized by a pointer moving over a scale as such ...
Martin U. Reissland, 1989
8
ELECTRONIC INSTRUMENTS AND INSTRUMENTATION TECHNOLOGY
... operation and features of commonly used analog and electronic analo'g
meters. 1.2. PERMANENT. MAGNET. MOVING. COIL. (PMMC). METERS. A
stationary, permanent magnet moving coil (PMMC) is the basic deflection
mechanism ...
9
Competition Science Vision
Very Important Points • In moving coil galvanometer, the magnetic field is
provided by taking concave pole pieces of a magnet. By doing so the magnetic
field becomes radial i.e., plane of the coil is parallel to magnetic field and,
therefore, ...
10
Electrical Craft Principles
moving coil or 0 v 250 moving coil rectifier moving iron a b Figure 11.7
Comparison of instrument scales The arrow heads mdicate the useful parts of the
scales a Moving-coil or moving-coil rectifier b Moving-iron 11.7) and either has a
coil ...
John Frederic Whitfield, 1995
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Hafler Introduces the PH60 Phono Preamp for Moving Coil Cartridges
The Hafler PH60, the first release of the North American-made series, is a high-performance phono preamp for moving coil cartridges that ... «Audio Visual News Network, 7月 15»
Magnetic levitation solution for PCB production
With a standard linear motor system, there is one moving coil with the motion controlled by the switching of the current which activates the ... «Control Engineering Website, 7月 15»
Audio News for July 14, 2015
The loudspeaker was introduced in the late 19th century, the first conical diaphragm patented in 1901 and the first moving coil transducer was ... «Audiophile Audition, 7月 15»
Review: Symbol Audio Modern Record Console
2, a spiffy moving coil cartridge. Turntable isolation is managed by three fat discs of Sorbothane, a synthetic viscoelastic urethane polymer ... «Wired, 7月 15»
Vinyl, headphone markets keep Grado Labs in the groove
... and worked for Tiffany & Co. before developing an interest in audio technology, eventually patenting the stereo moving coil cartridge in 1959. «Chicago Tribune, 7月 15»
Headphones tech: Dynamic vs planar magnetic vs electrostatic
They're also known as moving coil drivers, and are the headphone equivalent of the full-size drivers you probably have in your hi-fi speakers or ... «TrustedReviews, 7月 15»
Gadgets: Marley memories, in sound
The Marley Liberate over-the-ear wired headphones (also available in Bluetooth wireless) come equipped with 50 mm dynamic moving coil ... «Waterbury Republican American, 7月 15»
Hafler launches legendary headphone amplifiers
Meanwhile, Hafler has launched two new moving coil step-up transformers. The Hafler PH34 and PH44 SUTs are passive devices that employ ... «AV Magazine, 6月 15»
High-resolution audio is a lot older than you might have thought
Back in '75 I had a top of the line Dual turntable with a high end moving coil cartridge, Crown tube amps, and a phono pre-amp all coming out ... «CNET, 6月 15»
The unusually usefully featured Parasound Halo Integrated amplifier
Connectivity options include one each USB, coax, and optical digital audio inputs, a switchable moving magnet/moving coil phono cartridge ... «CNET, 6月 15»
