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Bit Serial Digital Winner Take All Circuit

Summary
Researchers at Purdue University have developed a new Winner Take All circuit structure which is a fully parallel bit-serial digital WTA. It can identify the largest among a large number of m-bit data in m-cycles. The time taken by the circuit to identify the maximum among the inputs is independent of the number of inputs, which leads to fast and low power WTA operation.
Technology Benefits
Faster operation time that is independent of the number of inputsLow power requirement
Technology Application
WTA circuit
Detailed Technology Description
Kaushik RoyNanoelectronics Research LaboratoryPurdue Electrical and Computer Engineering
Countries
United States
Application No.
9489618
*Abstract

*Background
Winner Take All (WTA) is a computational principle applied in computational models of neural networks. WTA is used to identify the maximum among a large number of m-bit input values. It is a critical part of pattern matching applications to find the maximum among the outputs of a distance-evaluation matrix. Current WTA circuits are based on a binary tree structure. In these circuits, the number of stages and nodes in the binary WTA tree increases when the number of inputs to the WTA increases, leading to a larger delay and area.
*IP Issue Date
Nov 8, 2016
*IP Type
Utility
*Stage of Development
Prototype testing
*Web Links
Purdue Office of Technology CommercializationPurdueInnovation and EntrepreneurshipKaushik RoyNanoelectronics Research LaboratoryElectrical and Computer Engineering
Country/Region
USA

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