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RLC circuit

About: RLC circuit is a research topic. Over the lifetime, 14490 publications have been published within this topic receiving 142697 citations.


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Patent
Takashi Kanda1, Kazuo Yoshida1, Masahiro Naruo1, Kazuhiro Hori1, Masahito Ohnishi1 
27 Oct 1997
TL;DR: In this article, an electronic ballast for discharge lamps comprises a main resonance circuit for applying a voltage necessary for operating a discharge lamp having filaments to both ends of the discharge lamp and a filament resonance circuit to supply a filament current to the filaments.
Abstract: An electronic ballast for discharge lamps comprises a main resonance circuit for applying a voltage necessary for operating of a discharge lamp having filaments to both ends of the discharge lamp and a filament resonance circuit for supplying a filament current to the filaments, wherein the main resonance circuit and filament resonance circuit have resonance circuits having different resonance characteristics in an output path leading to the discharge lamp and also change their outputs depending on an operating frequency of switching elements. Thereby a filament current and a voltage across the discharge lamp can be set at suitable one of respective operational modes of the discharge lamp according to an operational state of the discharge lamp.

37 citations

Patent
23 Jul 1975
TL;DR: In this paper, a ferro-resonant, voltage-regulating transformer has a primary winding formed about a portion of each leg in each of two spaced, juxtaposed cores.
Abstract: A ferro-resonant, voltage-regulating transformer. The transformer has a primary winding formed about a portion of each leg in each of two spaced, juxtaposed cores. A regulated output voltage is produced at a resonant circuit formed by a capacitor and a secondary winding around another leg of the first core. The flux variations in the two cores are continuously out of phase with each other. As the primary voltage changes the magnitude of the total flux in the system, the flux in the second core can vary in magnitude and phase thereby to maintain the flux in the first core at a constant level. Thus, the output voltage at the resonant circuit is substantially constant.

37 citations

Patent
Masao Nishida1, Tetsuro Sawai1
03 Jun 1998
TL;DR: In this paper, a chip capacitor is arranged on a microstrip conductor forming the microstrip line, and the dielectric material and electrodes provided on both ends of the line are connected.
Abstract: A chip capacitor is arranged on a microstrip conductor forming a microstrip line. The chip capacitor has a dielectric material and electrodes provided on both ends thereof. The electrodes of the chip capacitor are connected to the microstrip conductor. A resonance frequency is decided by the length of the microstrip conductor between the electrodes of the chip capacitor, the dielectric constant and the thickness of the dielectric substrate and the capacitance value of the chip capacitor.

37 citations

Journal ArticleDOI
TL;DR: The results of computer simulations and laboratory experiments show that the proposed phase controller allows a simple and efficient phase shift regulation for all known systems of integration control with a continuous and discontinuous resonant current flow.
Abstract: This letter presents an application of the phase controller which allows a regulation of current and voltage phase shift in resonant circuit with nonperiodic voltage waveform. The phase controller has been implemented using the voltage-controlled oscillator generator operating with double resonant frequency, creation of additional auxiliary voltage signal, and phase-locked loop. The results of computer simulations and laboratory experiments show that the proposed phase controller allows a simple and efficient phase shift regulation for all known systems of integration control with a continuous and discontinuous resonant current flow

37 citations

Patent
Yuval Stern1
25 Feb 2014
TL;DR: In this article, a signal emitting stylus for operation with a digitizer system includes a resonant circuit including a first capacitor and an inductor, the circuit operative to alternate between receiving a wirelessly transmitted first signal and generating electrical field; a controller and a power source.
Abstract: A signal emitting stylus for operation with a digitizer system includes a resonant circuit including a first capacitor and an inductor, the circuit operative to alternate between receiving a wirelessly transmitted first signal and generating electrical field; a controller and a power source. The controller operates the resonant circuit in a receive mode for receiving the first signal, decodes the received first signal and switches operation of the resonant circuit to a transmit mode for generating the electrical field and coupling the electrical field to a digitizer system in response to detecting the first signal. The power source powers generation of the electrical field.

37 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202379
2022173
2021277
2020465
2019550
2018558