Keyword: Switches

Articles: Electronics & Computers
Water-sensing smartphone screens, a NASA-developed RF switch, and an ultrasound patch.
Briefs: Electronics & Computers
The switch has uses in circuit protection systems in the electric power grid, high-power military applications, and power for materials processing.
Q&A: Semiconductors & ICs
Kristin Sampayan from the Lawrence Livermore National Laboratory found a fast way to switch high voltages.
Briefs: Materials
Bioinspired cellulose nanofibrils can be controlled by electricity.
Briefs: Photonics/Optics
The improved rectennas could operate low-power devices such as temperature sensors.
Briefs: Electronics & Computers
These switches are key to thermal management of nanoscale devices, refrigeration, data storage, thermal computing, and heat management of buildings.
Briefs: Electronics & Computers
This approach could engineer quantum materials atom-by-atom for new electronic, magnetic, and sensing applications.
Briefs: Electronics & Computers
This approach could lead to entirely new and more efficient logic switches for computer chips.
Briefs: Electronics & Computers
Linking multiple copies of these devices may lay the foundation for quantum computing.
Briefs: Motion Control
The domino effect is used to design deployable systems that expand quickly with a small push and are stable and locked into place after deployment.
Briefs: Electronics & Computers
Applications include homeland security, vehicle anti-collision systems, telecommunications systems, and industrial instrumentation.
Briefs: Motion Control
The bus is designed for high-frequency, high-temperature operation in electric drive systems and next-generation power electronics.
Briefs: Electronics & Computers
The functional transistors are integrated with ferroelectric RAM.
Briefs: Sensors/Data Acquisition
The switch is a major new step toward building a computer that uses light instead of electricity to process information.
Application Briefs: Mechanical & Fluid Systems
Salty air the Dutch city of Harlingen causes exposed metal parts to corrode.
Briefs: Photonics/Optics
This optical switch controls the direction of light passing through optical fibers faster and more efficiently.
Articles: Electronics & Computers

In the digital age, the measurement of rotation of a mechanical shaft on a motor or a rotating instrument knob needs to be done quickly and efficiently....

Briefs: Test & Measurement

A 3D-printed polymer-based foam structure was developed that responds to the force of a shock wave to act as a oneway switch, a long sought-after goal in shock research. The...

Briefs: Photonics/Optics

Experimental photonic switches developed at UC Berkeley have shown promise toward the goal of fully optical, high-capacity switching for...

Briefs: Photonics/Optics
All-Fiber, Optically Controlled Optical Switch

An optical switch is a device where information-bearing light may be directed to one of several outputs. Prior art optical switches have mainly been integrated optical waveguide structures such as titanium-diffused (Ti) waveguides in lithium-niobate (LiNbO3) or gallium-arsenide (GaAs)...

Briefs: Test & Measurement
MEMS Switch Extends Life of Cellphones

A new type of microelectromechanical system (MEMS) was developed that uses electrostatic levitation to provide a more robust system. All cellphones use MEMS switches for wireless communication, but traditionally there are just two electrodes. The switches open and close numerous times during just one hour,...

Briefs: Semiconductors & ICs

Photons, or units of light, are faster than electrons and could, therefore, process information faster from smaller chip structures. A switch was designed that bypasses a...

Briefs: Nanotechnology
Polymer Nanofiber-Based Reversible Nano-Switch/Sensor Schottky Diode (nanoSSSD) Device

Innovators at NASA's Glenn Research Center have developed a unique nano-structure device that operates as a nano-switch/sensor for detecting toxic gases and ultraviolet (UV) radiation. Conventional microsensors are limited by their short life, high cost and...

Briefs: Materials

Resistance welding with direct current (DC) using inverter technology reduces costs by improving quality, reducing maintenance, and increasing productivity. Switching from...

Briefs: Mechanical & Fluid Systems
Microcontroller Altimeter (uCA)

Traditional altitude switch designs for harsh environments are mechanical in nature and operate by means of an inflatable bladder or bellows that mechanically depresses a pushbutton switch. The altitude trip point is set by mechanically adjusting the distance of the switch to the bellows. The mechanical action of...

Briefs: Energy

A new chemical composite could be used to store heat from the Sun during the day in a thermal battery, and release the heat when needed. A common approach to thermal storage is to use...

Briefs: Energy

Mobile or transportable power supply and distribution systems are needed for various types of work that require electrical power in a field or outdoor environment — such as construction and environmental...

Articles: Sensors/Data Acquisition

Life Alert's “I've fallen and I can't get up®!” became one of the most famous infomercial catchphrases in the late 1980s. The company's device,...

Briefs: Sensors/Data Acquisition

Technology was developed that not only allows wheels to “know” when and how to rotate, but also enables them to work together in interactive teams. The new technology can be used wherever there is a need for...