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#PhotoSensors
mindblowingscience · 6 months
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It was confirmed that the eco-friendly quantum dot photonic sensor developed through joint research with Professor Moon-kee Choi's research team at the Department of New Materials Engineering, Ulsan National Institute of Science and Technology (UNIST) and Professor Dae-hyeong Kim's research team at the Department of Chemical and Biomolecular Engineering, Seoul National University (President Hong-lim Ryu) can stably measure light signals without any external power source, due to the photovoltaic effect. The joint research team has also produced a skin-attachable ultra-thin pulse sensor based on this photosensor, and introduced the wearable pulse sensor that can stably acquire pulse signals despite different deformations. The work is published in the journal ACS Nano.
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If you poke a TV-mimic's 'screen', is it hard like glass or soft like human skin? Or is it somewhere in between, like the turgidity of an eyeball?
If it's hard, is it covered in a hard layer (like the big clear scales covering snakes' eyes) with squish underneath?
TV mimic "screens" are like skin in a way, like the rest of their body! The chromatophores that exist underneath the skin-like material is what makes their false screen change colors, express their emotions, and allows them the ability to see!
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Apologies for the rushed diagram, as mimic biology is a little more complex than this simple drawing, but it is to help explain this biological aspect. The outer layer of their visors are a little hard but flexible! It almost feels like a very clear fingernail or chitin. It protects the insides from debris, injuries, and UV rays. The cell layer is where most of the magic happens! This is how their expressions, color, and visuals change! These purple spots are clumps of photosensors and chromatophores that change and alter themselves when the surrounding nerves and flesh are stimulated with certain hormones, such as cortisol (stress hormone) or endorphins (happy hormones). They can change shape in milliseconds, allowing for the mimic to express themselves fluidly, as if they had normal face expressions. This layer is usually surrounded in a type of jelly that simulates optic fluid, to both protect the nerves and to maintain the optic system. They both see and express out of the main "screen". The nerve layer is where the signals are transferred from the brain (not pictured) to the cell layer, which then reflects on the outer layer! These optical nerves are sensitive to light, chemicals, signals, and stimulus. These nerves are also extremely reactive and are very responsive to said stimuli, which encourages change in the cell layer. This innermost layer is connected to the brain of the mimic and also functions as the mimic's optic nerves deep inside of their chassis. Injury to this layer can lead to blindness, deafness, or even cognitive or abstract processing problems. This layer is deep and defended to help prevent these issues. These layers allow the mimic to have vision, expressions, and even signal communications! This is why they are very important to TV mimics!
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stevebattle · 9 months
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Scorpion (1983) by Harprit Sandhu, Bob Syeszycki and Foad Rekabi, University of Illinois, for Rhino Robots Inc., Champaign, Il. The Scorpion is a robotic terminal, designed to follow instructions and return data sent over an RS-232 link. It’s based on the 6502 microprocessor with two software controllable 6522 Versatile Interface Adapters. Sensors include a pair of downward facing photo-reflectors enabling it to follow a tape on the ground, and it has bump sensors on each of its four sides. The most unusual feature is a two-axis optical dish, with a single photocell at its focal point. This dish can be scanned vertically and horizontally with a resolution of 1.5 degrees per step. "Conventional vision systems are too expensive. What if we could build an optical scanner that scanned the environment, collected the information, and displayed the information on the video screen? A display of 40 characters by 25 lines would produce 1000 pixels of varying brightness. This should be sufficient for recognizing many simple objects. We could experiment with pattern recognition, perform calculations to enhance contrast, and find edges. To gather this information, a cadmium/sulfide (CdS) photosensor is mounted at the focal point of a solar cigarette lighter." – The Scorpion Software Overview, by Harprit Sandhu, Robotics Age, January, February, March 1984.
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New research explores durability of 2D hybrid materials
New research has unveiled the fatigue resistance of 2D hybrid materials. These materials, known for their low cost and high performance, have long-held promise across semiconductor fields. However, their durability under cyclic loading conditions remained a mystery—until now. Led by Dr. Qing Tu, professor in the Department of Materials Science and Engineering at Texas A&M University, this is the first study of fatigue behavior on the semiconductor material called 2D hybrid organic-inorganic perovskites (HOIPs) in practical applications. Researchers recently published their findings in Advanced Science. This new generation of semiconductors holds great potential in nearly the whole spectra of semiconductor applications, including photovoltaics, light-emitting diodes and photosensors, among others. The application of repeated or fluctuating stresses below the material's strength, known as fatigue loading, often leads to failure in 2D hybrid materials. However, the fatigue properties of these materials have remained elusive despite their widespread use in various applications.
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midnightfunk · 2 years
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Yes, this thing will actually end your life. More specifically, it is rigged with bombs so that your head will explode.
In his blog post, Luckey explains how his lethal new contraption is supposed to work:
I used three of the explosive charge modules I usually use for a different project, tying them to a narrow-band photosensor that can detect when the screen flashes red at a specific frequency, making game-over integration on the part of the developer very easy. When an appropriate game-over screen is displayed, the charges fire, instantly destroying the brain of the user.
What’s wrong with some people? This is a guy who became an overnight Billionaire, and he does what with his wealth?
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quantanaut · 4 months
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After several hours of debugging today, I've concluded that one of our photosensors is actually haunted
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atefselim · 7 months
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*Course Classic Control*
1st lecture. Introduction to classic control https://bit.ly/49NWiS3
2nd lecture Overload.
https://bit.ly/49NP94k
3rd lecture Contactor and relays and SSR https://bit.ly/3RaLPZG
4th lecture Timer relay
https://bit.ly/49MQmZA
5th lecture the control transformer
https://bit.ly/3STzIlk
6th. Lecture Temperature sensor
https://bit.ly/47OMCFr
7th. Lecture. Proximity sensor and Photosensor
https://bit.ly/3T0iUsy
8th. Lecture. Pressure sensor.
https://bit.ly/3uqvEyL
9th. Lecture. Float and Flow sensors.
https://bit.ly/47pQwVo
10th. Lecture. Label sensor.
https://bit.ly/3RaMudC
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sam-dugesian · 9 months
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Worm vision
An earthworm doesn't have compound eyes but it does have chromatic photosensors that run continuously in series along its body.
scientists used to think that this would only allow the worms to sense light and darkness but in reality it's a primitive form of sight allowing them to see a one dimensional image.
For an idea of what that may look like see if you can recognise this celebrity after using a 1D filter on the image.
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still not convinced?
how could this ever be a practical form of vision?
see if you can spot where the animal is in this panning shot.
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when the movie Jurassic Park talks about how dinosaurs can only sense movement.
this is the kind of thing they're actually talking about.
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balajiswitchgears · 1 year
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Telemecanique Sensors - Simply easy!
Founded over 90 years ago, Telemecanique Sensors specializes in sensors and sensor-related technology. Extensive range of high quality and high performance products.
#sensoryplay #sensors #PhotoSensor #industrial #industry #business #india #manufacturing
www.balajiswitchgears.com
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inquivixtech · 1 year
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Ozone Water Destruction System
Want To Buy Industrial Grade Products? Order From Inquivix Technologies Now!
When it comes to industrial-grade products, quality, reliability, and performance are of utmost importance. Inquivix Technologies understands the unique requirements of different industries and is dedicated to providing top-notch products to meet those needs. 
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In this blog, we will explore the diverse range of products offered by Inquivix Technologies and how you can order the products from us.
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We offer high-quality aluminum coils for various industrial applications. Aluminum coils are widely used in construction, automotive, and electrical industries thanks to their lightweight nature, corrosion resistance, and excellent thermal conductivity. 
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Semiconductor manufacturing requires cutting-edge technology and precision. Inquivix Technologies specializes in providing premium semiconductor products that are vital for the production of advanced electronic devices. 
These products include transistors, diodes, microcontrollers, photosensors, and other semiconductor components. 
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Functional gas and water systems are integral to various industrial processes. Inquivix Technologies provides state-of-the-art functional gas and water systems tailored to specific industry requirements. 
Functional gas systems, such as ozone generators, are vital in contamination control and sterilization, particularly in semiconductor manufacturing and healthcare industries.
These systems offer advanced features, automated controls, and precise monitoring capabilities to optimize performance and minimize resource consumption.
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Ordering from Inquivix Technologies is easy and convenient. Simply visit our website or contact us to discuss your needs and requirements. Our team of experts will assist you in selecting the right products for your industry and provide all the necessary information regarding pricing, delivery, and technical support.
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We understand the importance of timely delivery, and we strive to get your products to you as quickly as possible. With our efficient shipping processes and reliable logistics partners, you can trust that your order will be handled with care and delivered to your desired location.
At Inquivix Technologies, we pride ourselves on delivering exceptional customer service and ensuring customer satisfaction. Our industrial-grade products are backed by rigorous quality assurance processes, ensuring you receive reliable, high-performance solutions for your industrial needs.
So, if you are looking to buy industrial-grade products, don't hesitate to order from Inquivix Technologies. Experience the difference of top-notch quality, reliability, and performance in your industrial operations. 
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Points to Consider While Shopping Safety Equipment from Pallet Wrap suppliers
Automatic pallet wrappers are highly demanded by many industries that supply their products on pallets. Reputable packaging supply companies or pallet wrap suppliers offer great machines with features like automatic film cutting; adjustable top and bottom wrap counts, height detection by a photosensor, and more. They also offer a vast range of health and safety items, apart from packaging stuff.
Health and Safety Equipment Comes in Packaging Supplies:
Leading health and safety equipment suppliers offer a range of safety equipment, including labels, medical supplies, signs, stickers, and more. They generally offer products such as prohibition or danger signs, fire extinguishers, bandages, antiseptic, and factory signs, convex mirrors, barricade tapes, safety chains, bollards, cones, and more.
Things to Consider While Buying Safety Equipment Supplies Online
Ratings and Reviews: Pay attention to the ratings and reviews provided by other customers who have purchased the same safety equipment. Consider both positive and negative reviews to determine the product's quality and performance.
Price: Keep in mind that the cheapest option may not always be the best in terms of quality and reliability. Consider the overall value of the product by assessing its quality, features, and durability in relation to its price.
Delivery: Check the delivery options and policies offered by the online supplier. Consider factors such as shipping fees, estimated delivery times, and the supplier's reputation for timely and reliable deliveries.
Return and Refund Policies: Check their return and refund policies in case you receive a defective product. Consider only those who offer hassle-free returns or replacements.
Whether you require pallet wrappers for health and safety equipment for construction sites or factories, you should keep in mind a few important points to avoid return and refund hassles. Considering these points will help you to get quality products and stay focused on your business.
Find a reputable and established packaging supplies distributor to buy the best-quality pallet wrapper.
Source
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singh-a · 1 year
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Chromophore Structure in an Inactive State of a Novel Photosensor Protein Opn5L1: Resonance Raman Evidence for the Formation of a Deprotonated Adduct at the 11th Carbon Atom
http://dlvr.it/SkDd5C
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ebd-updates · 1 year
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Chromophore Structure in an Inactive State of a Novel Photosensor Protein Opn5L1: Resonance Raman Evidence for the Formation of a Deprotonated Adduct at the 11th Carbon Atom
http://dlvr.it/SkCyyy
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System Sensor and InnovairFlex Smoke Detectors
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If you’re looking for a smoke detector for your home, you’ll probably have a few different options in mind. These range from conventional systems to more advanced features that allow you to get a more detailed look at the status of the smoke detector.
i3-Series conventional
The System Sensor i3-Series is a game changer in the world of smoke detectors. The innovative i3 series boasts a number of features that help to simplify testing, inspection and maintenance. Among these is the i3 remote maintenance signal. This feature reduces nuisance calls, and the maintenance costs associated with them. This technology is also incorporated into the i3 system’s loop test and maintenance module.
The i3-Series smoke detector isn’t just about the i3 remote maintenance signal; there are many other intelligent and useful features that can help you to improve your installation.
Photoelectric
Photoelectric smoke detectors are the most commonly used type of alarm. These alarms work by focusing a beam of light onto a photosensor. The smoke particles in the sensor chamber reflect the beam back and trigger the alarm.
Photoelectric alarms are much smarter than ionization smoke detectors. They provide better fire detection and respond faster to smoldering fires. They are also less likely to be disabled. However, they do not give enough advance warning for smoldering fires.
First Alert Smoke Alarms are another type of smoke alarm that uses both photoelectric and ionization technologies. They are available in several different brands, from home improvement stores to online retailers.
Ionization
An ionization smoke detector is a device that uses a special radioactive element to detect changes in the electrical field. When properly used, this type of detector does not pose a health risk to people. It is also cheaper to manufacture than optical devices.
The basic ionization smoke detector is a round black structure with a horn. A tiny current flows through it, and it stops when smoke enters it. An electronic circuit in the smoke detector detects the difference in the current. The alarm then sounds.
Ionization smoke detectors work by using a tiny piece of americium. The alpha particles that are emitted by this radioactive material ionize the oxygen atoms and nitrogen atoms inside the chamber. The alpha particles are heavy and cannot travel very far.
InnovairFlex
InnovairFlex (tm) duct smoke detectors combine a bevy of innovations into one sleek package. With its watertight design and UV-resistant housing, InnovairFlex duct smoke detectors are ideal for use on HVAC equipment. Their slick and streamlined packaging makes installation a breeze. Moreover, their patented InnovairFlex sampling tube offers an easy installation process.
While the InnovairFlex duct smoke has been around for some time, its latest iterations have taken it to a new level. The XL, for example, features a more robust sampling tube, improved false alarm immunity, and a broader operating temperature range. These improvements simplify installation and enhance the overall duct smoke detection experience. Lastly, the XL’s new streamlined housing boasts a 3/ 4-inch conduit knockout, which makes wiring the system a breeze.
HM Series Advanced intelligent thermal sensors provide early warning of developing fires
Fire is one of the major factors responsible for property damage and deaths. It also has a significant impact on the economy. Therefore, the development of a robust fire detection technology is essential. It should be capable of detecting fire early in order to avoid disasters.
A wide variety of sensors have been developed for fire detection applications. They can be classified into ion, gas, photoelectric, and thermal sensors. Each has its own benefits and disadvantages. It is important to ensure that the correct signal conditioning is done in order for the sensor to interact with other fire detection systems.
Clean with compressed air
If you have a System Sensor smoke detector, then you should clean it with compressed air regularly. The dust and other particles that accumulate on the sensor can cause false alarms and may affect the performance of the smoke detector.
The first step in cleaning the smoke detector is to disconnect the battery and remove it. Then, put the unit in a Test Mode. Then, you can blow on the head to see if the smoke responds.
After testing, if the smoke detector does not trigger, then you need to replace the smoke detector. You can also contact a professional alarm company to take care of it for you.
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webionaire · 2 years
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The first semiconductor image sensor was the charge-coupled device (CCD), invented by Willard S. Boyle and George E. Smith at Bell Labs in 1969,[5] based on MOS capacitor technology.[6] The NMOS active-pixel sensor was later invented by Tsutomu Nakamura's team at Olympus in 1985,[7][8][9] which led to the development of the CMOS active-pixel sensor (CMOS sensor) by Eric Fossum's team at the NASA Jet Propulsion Laboratory in 1993.[10][8]
In the 1960s, Eugene F. Lally of the Jet Propulsion Laboratory was thinking about how to use a mosaic photosensor to capture digital images. His idea was to take pictures of the planets and stars while travelling through space to give information about the astronauts' position.[11] As with Texas Instruments employee Willis Adcock's film-less camera (US patent 4,057,830) in 1972,[12] the technology had yet to catch up with the concept.
The Cromemco Cyclops was an all-digital camera introduced as a commercial product in 1975. Its design was published as a hobbyist construction project in the February 1975 issue of Popular Electronics magazine. It used a 32×32 metal-oxide-semiconductor (MOS) image sensor, which was a modified MOS dynamic RAM (DRAM) memory chip.[13]
Steven Sasson, an engineer at Eastman Kodak, invented and built a self-contained electronic camera that used a CCD image sensor in 1975.[14][15][16] Around the same time, Fujifilm began developing CCD technology in the 1970s.[17] Early uses were mainly military and scientific; followed by medical and news applications
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pinerdefense · 2 years
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Uses for an optical isolator
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Opto isolators are also used in computer systems for data transfer by modulating the output voltage of a primary circuit and using light as a medium. Opto isolators are ideal for the recording industry because they reduce all interference that would have been generated by passing a voltage directly from one circuit component to another. Photodiodes and phototransistors are the two most common light receivers. They also have a small light source or LED to send signals and a photosensitive component to receive transmissions. Both types of optoisolators have a casing to prevent outside light from interfering with the device operation. Analog optoisolators reproduce the input signal and provide an analog output that is used when the signal amount is the circuit requirements’ overriding factor. The digital type changes its output to match the signal received and is used when pulse or bit output is required between circuits. There are two types of optoisolators-digital and analog. This allows the input of the secondary component to be equal or slightly less than the output of the primary component. The electricity is then directed to the other components within that circuit. The light beam travels down the closed channel until it reaches the photosensor that then converts the light back into electricity. A voltage from a circuit is used as the isolator’s power source and is used to produce a beam of near-infrared light. Opto isolators consist of a power source, a near-infrared LED, a closed channel, and a photosensor. They now cost less than US$1 and continue to get cheaper. They are good for quality control in the recording industry, and can be used in other industrial applications such as electroencephalography, data transfer, and optoelectronics. The cost of these devices have significantly reduced since they were first invented. Opto isolators regulate voltage levels by converting electricity into a beam of light. This prevents voltage spikes from impacting more than a single circuit and decreases the overall interference and noise that occurs with traditional communications connections. In order to achieve protection, SLAVE device must be powered by other power source than MASTER device (TapHome Core and Modules).An opto isolator is an electronic device that prevents high voltages from components in one side of a circuit from damaging or interfering with components on the other side of the same circuit. The isolator must always be installed on the side of one of the protected devices (MASTER) - as close as possible to it. MASTER side is protected device, typically TapHome Core control unit In this case, also power source must be galvanically isolated - the easiest way is to use separate power source. This is the most common situation when when connecting TapHome modules in the garden house, or meteo station on the roof. TapHome module or other RS485 device device is connected to TapHome BUS, and the wire or device itself is outside of the lightning protection.External device is powered by other (typically its internal) power source and does not have galvanic or optical isolation.Use of optical isolator is obligatory if one of the conditions is met: Optical isolator protects TapHome control unit when connecting Modbus RTU or other RS485 bus device to it. Optical isolator supports bi-directional "half-duplex" transmission for RS485 networks.
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