Devices emitting. Medical search. Frequent questions

A light emitting diode (LED) module including a carrier, a first connector, a plurality of second connectors and a plurality of LEDs is provided. (justia.com)
Due to the characteristics of the LEDs of longer working life and little electricity consumption, fluorescent lamps and incandescent bulbs are gradually replaced with the LEDs in some fields, such as a scanning light source which requires high reaction speed, a backlight source of a liquid crystal display (LCD) device, car dashboard illumination for a car with front light source, traffic signs, large electronic display bulletins and general illumination devices. (justia.com)
These include a variety of medical and non-medical products such as mammography devices, magnetic resonance imaging (MRI) devices, laser toys, laser pointers, liquid crystal displays (LCDs), and light emitting diodes (LEDs). (fda.gov)
Appearing as practical electronic components in 1962, the earliest LEDs emitted low-intensity infrared (IR) light. (wikipedia.org)
LEDs are small extended sources with extra optics added to the chip, which emit a complex intensity spatial distribution. (newworldencyclopedia.org)
There are two types of LED panels: Conventional, using discrete LEDs, and Surface Mounted Device (SMD) panels. (newworldencyclopedia.org)
The development of light-emitting diodes (LEDs) has led to an increase in the use of lighting regimes within medicine particularly as a treatment for dermatological conditions. (researchgate.net)
Rogers and his colleagues printed an interlaced array of tiny light-emitting diodes, or LEDs, on a rigid wafer, then dissolved the top layer of the substrate to release a thin network of LEDs that can be transferred to a flexible, waterproof polymer sheet. (scientificamerican.com)
As a demonstration, the researchers built light-emitting sutures and an implantable sheet of LEDs that they tested in vivo with an anesthetized laboratory mouse. (scientificamerican.com)
Significant improvements in the electrical and optical properties of QDs have been made by adjusting their shape and size and they have emerged as an important class of material with applications extending from light emitting diodes (LEDs), to photovoltaics, photodetectors, lasers, and field effect transistors. (sigmaaldrich.com)
Furthermore, the possibility of the fabrication of optoelectronic devices having QD based LEDs by roll-to-roll printing and the compatibility of most of the QDs with lightweight, flexible plastic substrates opens up the prospects for fabrication of low-cost, large-area flexible devices. (sigmaaldrich.com)
Electroluminescent quantum yield (ELQY) measurements of light-emitting devices, such as LEDs, OLEDs, and other luminescent sources, are fully accommodated by the QuantaPhi-2. (horiba.com)
This work reports on silicon-based visible light-emitting devices (LEDs) that have been successfully integrated into a standard bipolar fabrication sequence. (njit.edu)
As a smaller, but important, area of LED applications, we carry on a minor effort in the field of UV-emitting LEDs of primary importance for water disinfection and general sterilization. (lu.se)

Unlike Fluorescent OLEDs (FOLED) in which singlet excitons are responsible for the device emission, PHOLEDs utilize both singlet and triplet excitons for the emission. (uwaterloo.ca)
The technology, which uses organic light-emitting diodes (OLEDs), is applied in the same way as water transfer tattoos. (eurekalert.org)
Future challenges will include encapsulating the OLEDs as much as possible to stop them from degrading quickly through contact with air, as well as integrating the device with a battery or supercapacitor. (eurekalert.org)
Once they had built the technology, the team applied the tattooable OLEDs, which emitted green light, on to a pane of glass, a plastic bottle, an orange, and paper packaging. (eurekalert.org)
As one of the most important phosphorescent emitters, tetradentate cyclometalated platinum(II) complexes have attracted much attention in recent years, because of the high luminescent efficiency, emission spectra, and color tuned easily, especially for the development of high-efficient deep-blue and "pure" blue emitters and single-doped white organic light-emitting diodes (OLEDs). (intechopen.com)
Organic light emitting devices, or OLEDs, are very thin (nanometer) devices made primarily with carbon-containing dye compounds. (umich.edu)
Organic light-emitting devices (OLEDs) are a rapidly advancing technology. (rsc.org)
3 More recently OLEDs which emit from the deep blue through to the violet range of the spectrum have received increased investigation. (rsc.org)

More specifically, the present invention relates to a light emitting diode (LED) module. (justia.com)
A light emitting diode (LED) is a semiconductor device constituted mainly by a group III-V compound semiconductor material. (justia.com)
The present invention provides a light emitting diode (LED) module. (justia.com)
In the light-emitting diode, the electrode is used as a reflecting surface to guide light in a light-emitting direction and to emit the light reflected by the electrode efficiently. (trea.com)
Thus, the light-emitting diode provided with electrodes of AuGe/Ni cannot emit light at a high efficiency. (trea.com)
FIG. 1 is an exemplary typical side elevation of a daylight light-emitting diode. (trea.com)
FIG. 1 is a typical view of a daylight light emitting diode, namely, a light-emitting semiconductor device in a first embodiment according to the present invention. (trea.com)
A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. (wikipedia.org)
The emitted light was detected by a PbS diode some distance away. (wikipedia.org)
A light-emitting diode (LED) is a semiconductor device that emits incoherent, narrow-spectrum light when it is electrically biased in the forward direction. (newworldencyclopedia.org)
Biard and Pittman were able to establish the priority of their work and received the patent for the infrared light-emitting diode . (newworldencyclopedia.org)
In 1987, Tang and VanSlyke from Eastman Kodak Company successfully demonstrated an efficient and practical organic light-emitting diode (OLED) employing tris(8-hydroxyquinolinato)aluminum (Alq 3 ) as a fluorescent emitter [ 2 ]. (intechopen.com)
Implantable wireless powered light emitting diode (LED) for near-infrared photoimmunotherapy: device development and experimental assessment in vitro and. (oncotarget.com)
The aim of this study was to develop and assess a novel implantable, wireless-powered, light-emitting diode (LED) for near-infrared photoimmunotherapy (NIR-PIT). (oncotarget.com)
The invention relates to a lateral type light-emitting diode (LED) backlight module with a glass light guide plate. (google.com)
S monomer feed ratio, and meta versus para conjugation with respect to the F units have all been investigated in terms of photophysics and polymer light-emitting diode (PLED) device performance in the architecture ITO/PEDOT:PSS/polymer/TPBi/LiF/Al. (rsc.org)
2/ 4 · explain concepts such as energy quantisation and microcavities · explain design and the resulting function of various types of light-emitting diodes, diode lasers, detectors and camera chips · explain how light propagates in waveguides and optical fibres · explain the principles of fibre optical components for optical communication. (lu.se)
Here we are working towards a nanowire light emitting diode architecture where the active parts do not have to be directly sandwiched in between electrical contacts but carrier diffusion from a higher band gap material into a lower band gap nanowire material can lead to highly polarized, directional and efficient luminescence. (lu.se)

The OLED device the researchers developed is 2.3 micrometres thick in total (less than one 400th of a millimetre) - about a third of the length of a single red blood cell. (eurekalert.org)
A highly efficient white organic light-emitting device (OLED) with a novel sky blue dopant BUBD-1 in a two-color emission system was fabricated. (edu.hk)

The present invention relates to a light-emitting semiconductor device. (trea.com)
White light is obtained by using multiple semiconductors or a layer of light-emitting phosphor on the semiconductor device. (wikipedia.org)

PARIS (AP) - French regulators ordered Apple to stop selling the iPhone 12, saying it emits electromagnetic radiation levels that are above European Union standards for exposure. (wlns.com)
A French watchdog ordered Apple to withdraw the iPhone 12 from the market because it is emitting too high levels of electromagnetic radiation. (fox40.com)
PARIS (AP) - Apple has agreed to install updates for the iPhone 12 in France after French regulators ordered the company to stop selling the model because it emits electromagnetic radiation levels that exceed European Union standards. (cp24.com)

In addition to their attractive light-harvesting and photocatalytic applications, this Perspective describes recent developments in the use of transition metal complexes as materials in phosphorescent organic light-emitting diodes and resistive memory devices. (nature.com)
Hot excited state management for long-lived blue phosphorescent organic light-emitting diodes. (nature.com)

Do We Need To Worry About Radiation Emitting From Electronics Devices? (electronicsforu.com)
In the context of commonly used electronic devices, electromagnetic radiation is in the form of radio frequency (RF) energy waves. (electronicsforu.com)
The permissible upper limit for wireless devices set by the US Federal Communications Commission (FCC) is 1.6 W/kg of RF radiation. (electronicsforu.com)
The phone passed a separate test of radiation levels for devices kept in a jacket or in a bag, the agency said. (wlns.com)
This page will provide an overview of medical and non-medical radiation-emitting electronic products and the requirements that FDA verifies/enforces at the time they are imported or offered for import into United States. (fda.gov)
To import radiation-emitting products (medical and non-medical) you should first understand what these products are and their requirements. (fda.gov)
The Center for Devices and Radiological Health (CDRH) is the FDA center responsible for overseeing the radiation-emitting products program. (fda.gov)
Visit the Radiation-Emitting Products web page for more information. (fda.gov)
What is a radiation-emitting electronic product? (fda.gov)
FDA defines a radiation-emitting electronic product as any electrically-powered product that can emit any form of radiation on the electromagnetic spectrum. (fda.gov)
How can I determine specific product requirements for radiation-emitting electronic products? (fda.gov)
Radiation-emitting electronic products are regulated by FDA and are required to comply with the general requirements found in 21 CFR 1000-1005 . (fda.gov)
Reporting requirements for radiation-emitting products can be found in Table 1 of 21 CFR 1002.1 . (fda.gov)
To search for product names and their associated product codes, the radiation type, definition, and applicable performance standards visit the Product Codes for Radiation-Emitting Electronic Products page. (fda.gov)
How does FDA verify compliance with Radiation-Emitting Electronic Product Requirements? (fda.gov)
Are there additional requirements for medical radiation-emitting electronic products? (fda.gov)
Radiation-emitting electronic products can be considered medical and non-medical products. (fda.gov)
In addition to the requirements above, radiation-emitting electronic medical products are also subject to medical device regulations . (fda.gov)
At the time of importation FDA will verify radiation-emitting electronic product requirements (medical and non-medical). (fda.gov)
Radiation-emitting electronic products subject to U.S. Federal Performance Standard require submission of Form FDA-2877, Declaration for Imported Electronic Products Subject to Radiation Control Standards , at the time of entry. (fda.gov)
Information on radiation emitting devices, legislation and safety codes. (canada.ca)
We use and are surrounded by products and devices that give off radiation. (canada.ca)
Exposure to radiofrequency electromagnetic radiation (RF-EMR) from various wireless devices has increased dramatically with the advancement of technology. (worldhealthcommittee.net)
Aided by the property of skin adhesiveness, the device provides a therapeutic effect comparable to that of available devices, over a short radiation distance and consumes low power. (imeti.org)
1998), and medical devices used in radiation therapy (FDA 1997). (cdc.gov)

But if the conduction band and valence band are displaced with respect to each other, which is called an indirect band gap, no photons can be emitted -- as is the case in silicon. (sciencedaily.com)
The quantum yield of a molecule or material is defined as the number of photons emitted as a fraction of the number of photons absorbed. (horiba.com)
Within photonic devices, we fabricate and study controlled emission and detection of photons using semiconductor devices. (lu.se)

We used fluorescence-advanced videodermatoscopy (FAV), an optical electronic system using a monochromatic light‐emitting source with an λ of 405 nm (±5 nm) and a field of view of 340 μm, to examine the patient. (cdc.gov)
FAV uses the ability of endogenous molecules to absorb specific wavelengths and emit fluorescence. (cdc.gov)

It consists of an electroluminescent polymer (a polymer that emits light when an electric field is applied) in between electrodes. (eurekalert.org)
The application of a voltage (5.0-6.5 V) between the electrodes of devices leads to electro-generated blue luminescence which has similar energy to the solution emissions. (uniba.it)

Interestingly, the stability of the devices made with the homoleptic fluorinated iridium complexes strongly depends on the stereochemistry of these phosphors and high (up to 5.5%) external quantum efficiencies for the fac complexes are measured. (uniba.it)
5 Maximum external quantum efficiencies (EQEs) of η ext, max ca. 3-6% for emission in the range 400-480 nm have been reported for both small molecule and polymer based devices. (rsc.org)

Conventional cigarettes emit 400 to 650 micrograms of acrolein per cigarette. (independent.co.uk)
The study found that on average, green products emitted around half the VOCs compared to conventional products. (studyfinds.org)

Highly efficient and color-stable two-wavelength white organic light-emitting devices (WOLEDs) combining an orange phosphor [Ir (Cz-C F3)] and a sky blue fluorescent dye BUBD-1 are fabricated where the host singlet is resonant with the fluorophore singlet state and the host triplet is resonant with the phosphor triplet level. (edu.hk)
The best device reaches peak efficiencies of 19.3 cdA and 11.1 lmW which are superior to common two-color all-fluorescent or all-phosphor WOLEDs. (edu.hk)

Therefore, ZnO has been recognized as a promising candidate of ultraviolet (UV) optoelectronic devices operating at room temperature or even at high temperature. (ntu.edu.sg)
Silicon-based optoelectronic devices enable the realization of optoelectronic systems that are compatible with integrated circuit manufacturing technology. (njit.edu)

But ultimately the use of LED arrays may be most attractive for implantable biomedical devices. (scientificamerican.com)

Derivatives of poly(9,9-dialkylfluorene-2,7-diyl)s (pFs) are well established as emitters in electroluminescent devices. (rsc.org)

Although electron-hole recombination on the host tends to produce higher device efficiency, host e-h recombination is generally also associated with significant efficiency roll-off due to the quenching of the host triplet excitons primarily as a result of host-host TTA. (uwaterloo.ca)
For a device without a HBL, excess holes penetrate into the electron transport layer (ETL), and lead to the deterioration of the ETL adjacent to the interface of the emitting layer. (uwaterloo.ca)
The lower electron transport capacity of the degraded ETL alters the balance in hole/electron injection into the emitting layer, and results in a decrease in the luminescence efficiency of the PHOLEDs. (uwaterloo.ca)
If an electron 'drops' from the conduction band to the valence band, a semiconductor emits a photon: light. (sciencedaily.com)
The emissive layers in devices have been obtained mixing the iridium complexes with a PVK [poly(9-vinylcarbazole)] host matrix, in the presence of the electron carrier Bu-PBD [2-(4- biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole]. (uniba.it)

Light-emitting diodes disclosed in, for example, Patent documents JP2000-182542 and U.S. Pat. (trea.com)

E-cigarettes emit harmful chemicals with some models releasing more than others, according to a recent study. (independent.co.uk)
A study warns of the potential health risks of common household cleaning products that emit hundreds of dangerous chemicals into the air. (studyfinds.org)
The researchers note that, on average, green cleaning products without fragrance released far fewer hazardous chemicals-just four, in fact-compared to their fragrant green counterparts, which emitted around 15 hazardous chemicals . (studyfinds.org)
Printing devices are known to emit chemicals into the indoor atmosphere. (cdc.gov)

and large area devices based on aerosol particles. (lu.se)

The light-emitting polymer is 76 nanometres thick (a nanometre is a millionth of a millimetre) and was created using a technique called spin coating, where the polymer is applied to a substrate which is spun at high speed, producing an extremely thin and even layer. (eurekalert.org)
It was also observed that co-polymers incorporating the bulkier S OCy derivatives gave more efficient and brighter devices, with polymer P5 attaining a remarkable η ext, max 3.2%, 4.4 cd A −1 , 3.4 lm W −1 and maximum brightness 2500 cd m −2 with CIE (0.16, 0.18). (rsc.org)

The researchers, who described the process in a new paper in the journal Advanced Electronic Materials , say it could be combined with other tattoo electronics to, for instance emit light when an athlete is dehydrated, or when we need to get out of the sun to avoid sunburn. (eurekalert.org)
Researchers have now succeeded: they have developed an alloy with silicon that can emit light. (sciencedaily.com)
Together with researchers from the universities of Jena, Linz and Munich, they combined silicon and germanium in a hexagonal structure that is able to emit light. (sciencedaily.com)
Researchers used gas and liquid chromatography to discover what was in the vapour and found emissions levels increased dramatically from the first, initial puffs to later puffs when the device had reached a hotter "steady' temperature. (independent.co.uk)

He and his group conduct research on photovoltaic cells, organic light emitting diodes, and lasers & optics. (umich.edu)

1. Develop noise controls to reduce the noise emitted by the machinery and equipment that produce hazardous noise levels. (cdc.gov)

Their electrochemical and photophysical properties have been studied both in solution and in the solid state and electroluminescent devices have been fabricated. (uniba.it)

The P-type layer, the N-type layer and the light-emitting layer are made on the substrate material by a special epitaxial growth process. (outdoorsolarpowerlighting.com)

These two processes are of particular interests in PHOLEDs, since they directly compete with the radiative relaxation of triplet excitons and therefore, they can considerably reduce the device efficiency. (uwaterloo.ca)
Charges on the guest rather than those on the host are found to be the most efficient in quenching excitons, revealing that guest polaronic species are the most detrimental to device efficiency. (uwaterloo.ca)
In addition, recombination of electrons and holes on the host material generally leads to higher device efficiency in comparison to the case where recombination happens on the guest material. (uwaterloo.ca)
Furthermore, results from the study of devices with various guest concentrations reveals that as the concentration of the guest molecules increases and the creation of host triplet excitons subsides (since most e-h recombination occurs on the guest) host-host TTA decreases, hence also the efficiency roll-off. (uwaterloo.ca)
Based on the findings from the investigation of efficiency roll-off during short-term device operation, we extended our study to understand the mechanisms associated with the gradual efficiency loss in the devices during long-term operation. (uwaterloo.ca)
For a device with a HBL, on the other hand, holes accumulate and become trapped in the emitting layer, and result in a decrease in the luminescence efficiency of the PHOLEDs, due to their role in acting as exciton quenchers or as non-radiative charge recombination centers. (uwaterloo.ca)
Furthermore, the results show a strong correlation between the extent of hole blockage capacity of the HBL and the deterioration in device EL efficiency, pointing to the major role that the build-up of hole space charges in the emitting layer plays in EL degradation. (uwaterloo.ca)
Although light can be emitted at a high efficiency when the electrode has a higher reflectivity, the AuGe/Ni cannot form an electrode having a high reflectivity. (trea.com)
The device achieved an EL efficiency of 17.1 cd/A and 7.9 lm/W at 20 mA/cm 2 with CIE x,y coordinates of (x=0.29, y=0.41) which was not changed with drive conditions. (edu.hk)
7 Whilst this is a higher maximum efficiency than that reported here, our polymers produce efficient deep blue/blue devices, combined with low turn-on voltages and high brightnesses, providing a significant advance in the field. (rsc.org)

Because the light produced by the LED is a type of cold emission neither thermal emission nor electric discharge luminescence, the working life of an LED device often exceeds a hundred thousand hours. (justia.com)

However, the excess use of such devices can cause harmful effects since these also emit electromagnetic radiations. (electronicsforu.com)

a light-emitting layer provided between the tunnel junction layer and the second electrode. (trea.com)

This review provides an overview of methods and results obtained by using aerosol technology for producing nanostructures for a variety of applications in semiconductor physics and device technology. (lu.se)
To achieve this, the course will emphasise the underlying physics as well as how performance is affected by device design and materials properties. (lu.se)

The present disclosure relates to a light-emitting device, an optical device, and a measurement device. (justia.com)
Aspects of non-limiting embodiments of the present disclosure relate to a light-emitting device etc. that can achieve both an improvement in a rising speed of a driving electric current and a reduction in size of the device as compared with a configuration in which a driving electric current is supplied from one kind of capacitive element to a laser unit. (justia.com)
This study presents a wireless, low-power light-emitting device with RGB LED to conduct color therapy. (imeti.org)

Vaping Vaping refers to the inhalation of volatilized liquid (vapor) produced by battery-powered devices. (msdmanuals.com)

When the chip is working, the P-type layer and the N-type layer respectively provide holes and electrons required for light emission, and they are injected into the light-emitting layer to recombine to generate light. (outdoorsolarpowerlighting.com)
The CsPbCl 3 QDs emit blue light and the emission wavelength shifts to the green regime of visible spectrum as Cl is partially replaced by Br to yield the mixed halide perovskite CsPb(Cl/Br) 3 ( Figure 2 ). (sigmaaldrich.com)
QDs with a composition of CsPbBr 3 emit green light and the emission shifts towards the yellow regime for CsPb(Br/I) 3 and becomes red for CsPbI 3 . (sigmaaldrich.com)

The LED device fabrication, process integration, and optoelectronic device characteristics are discussed. (njit.edu)

The intensity file records consist of sequential minute by minute records of activity intensity beginning from the time the device was initialized. (cdc.gov)

Two distinctive degradation mechanisms are observed in PHOLEDs, depending on whether the device contains a hole blocking layer (HBL) or not. (uwaterloo.ca)
the light-emitting layer is located between the P-type layer and the N-type layer. (outdoorsolarpowerlighting.com)
Figure 3(c) optimizes the shape of the base layer to allow as much light as possible to pass through the device. (outdoorsolarpowerlighting.com)
The basic LED structure consists of a 0.5-1.0μm thick silicon-rich silicon oxide (SRSO) active light-emitting layer formed on a p-type silicon wafer by partial oxidation of porous silicon (PSi), with an n + doped polysilicon cathode. (njit.edu)

A new series of deep blue/blue emitting co-polymers are reported. (rsc.org)
Part of the nanowires can be converted to blue-emitting CsPbCl1.1Br1.9. (lu.se)

televisions, computers, mobile devices, and other distracting or light emitting electronic devices from the bedroom. (cdc.gov)
A small electronic device called a pulse oximeter will be clipped to a part of your body, usually a fingertip. (medlineplus.gov)

In 2015, a study showed e-cigarettes emit formaldehyde, a carcinogen also found in cigarette smoke. (independent.co.uk)
Waterpipes and smokeless tobacco are not a safe alternative to cigarettes, and there is no proof that any device or accessory can make waterpipe smoking safer. (who.int)

Although engineering and administrative controls are more effective, and should be the first steps taken to reduce noise exposure, personal protection devices are increasingly relied upon as a means to reduce noise exposures for workers (see hierarchy of controls graphic). (cdc.gov)

The average selling price for EMIT II PLUS in Germany dropped in 2022, according to GlobalData. (medicaldevice-network.com)

Fret not, as designer Jonas Samson has crafted light-emitting wallpaper that's sure to go over better than that solar iteration you tried years ago. (engadget.com)
Light-absorbing devices: detectors, camera chips and solar cells. (lu.se)

Hungarian Zoltán Bay together with György Szigeti pre-empted LED lighting in Hungary in 1939 by patenting a lighting device based on silicon carbide, with an option on boron carbide, that emitted white, yellowish white, or greenish white depending on impurities present. (wikipedia.org)
Emitting light from silicon has been the 'Holy Grail' in the microelectronics industry for decades. (sciencedaily.com)
But bulk silicon is extremely inefficient at emitting light, and so was long thought to play no role in photonics. (sciencedaily.com)
These are good at emitting light but are more expensive than silicon and are hard to integrate into existing silicon microchips. (sciencedaily.com)
To create a silicon compatible laser, scientists needed to produce a form of silicon that can emit light. (sciencedaily.com)
A 50-year old theory showed however that silicon, alloyed with germanium, shaped in a hexagonal structure does have a direct band gap, and therefore potentially could emit light," says Bakkers. (sciencedaily.com)

In this chapter, we will introduce the recent advances of the tetradentate cyclometalated platinum(II) complexes, including pyrazole, N-heterocyclic carbene, imidazole and pyridine-based complexes, molecular design, photophysical properties, and some of their device performances. (intechopen.com)
Fig. 5: Metal complexes have properties that can be exploited in resistive memory devices. (nature.com)

The LED backlight module comprises a backlight device outer frame (7), and a diffusion plate (2), a brightening plate (3), a light guide plate (4) and a reflecting plate (6) which are sequentially arranged in the backlight device outer frame (7). (google.com)

In healthcare they could emit light when there is a change in a patient's condition - or, if the tattoo was turned the other way into the skin, they could potentially be combined with light-sensitive therapies to target cancer cells, for instance. (eurekalert.org)

The software flaws could potentially allow attackers to take complete control of these devices, Apple said. (cp24.com)

The VEGAMIP T61 is the emitting unit of the microwave barrier for level detection of bulk solids and liquids. (vega.com)

This suggests that the Amazon could be emitting more greenhouse gases than it absorbs. (euronews.com)

The company disputed the findings and said the device complies with regulations. (wlns.com)

Wearables such as smartwatches and fitness trackers are worn on the body and operated via connectivity to other wireless devices like smartphones and laptops. (electronicsforu.com)
7. Complete the smartphone noise measurement app comparison study to demonstrate the feasibility of smartphones as noise measurement devices when equipped with an adequate microphone sensor. (cdc.gov)

The LED module has a connector that can randomly connect a plurality of LED modules to form linear or planar illumination devices. (justia.com)

Anatomy1

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