Electronics

Latest Innovations

Photonic Crystal Biosensor with Integrated Liquid Handling and Fabrication Method

 

Photonic crystal (PC) sensors, and sensor arrays and sensing systems incorporating PC sensors are described which have integrated fluid containment and/or fluid...

Optical Frequency Up-Conversion of Femtosecond Pulses into Targeted Single Bands in the Visible and Ultraviolet

 

An apparatus and methods for generating a substantially supercontinuum-free widely-tunable multimilliwatt source of radiation characterized by a narrowband line...

Control Methods and Circuits for Extremely Fast Response in Switching Power Converters

 

A method for accomplishing energy changes for a power converter to minimize an impact of a disturbance. The power converter includes energy storage and switches....

Commutation technique for an ac-to-ac converter based on state machine control

 

This invention is a technique that resolves current commutation challenges in various types of ac-ac switching power converters. It also applies to inverters and...

Startup Circuit For Power Converters With Arbitrarily Low Input Voltage

 

A startup circuit for starting a power converter for converting an input voltage to an output voltage includes a switch connected in series with a resistive...

Series-Input Parallel Output Multiple DC-DC Converter with Dynamic Current Sharing for High-Current DC Power Supply

 

The combination of a unique series-input parallel-output (SIPO) circuit configuration and a sensorless current mode (SCM) technique ensures automatic and nearly...

Multiple-Input Buck Boost Power Converter

A power converter circuit to convert multiple direct current (dc) inputs to one or more dc outputs. This dc-dc power converter allows its load to be powered by multiple,...

Multiple-Carrier Pulse Width Modulation for Inverter Operation

 

A method for generating pulse width modulated control signal has the steps of providing a base carrier waveform, segmenting the base carrier waveform into a...

Trade-off method for power factor correction

 

The invention recognizes that filter size can be reduced substantially as power factor is permitted to deviate below unity in systematic ways. Preferred methods...

Fabrication of Microfluidic Systems and Components Using Light Initiated Polymerization

 

An innovative, cost-effective method for making and integrating fluidic microchannels. This method for ultra-rapid prototyping of microfluidic systems requiring...

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