Probabilistic compute engine using coupled ring oscillators

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11875272
APP PUB NO 20210312298A1
SERIAL NO

17213396

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Compute engine circuitry configured to represent a spin network mapping of a graph representing a combinatorial optimization problem includes a plurality of ring oscillator cells, each of which includes a ring oscillator having an oscillator output, at least one coupling block, and a read block. Each coupling block connects the ring oscillator of the cell to the ring oscillator of one of a plurality of neighboring cells to form a coupled ring oscillator. The read block generates a state output for each coupled ring oscillator that indicates whether the coupled ring oscillator is in one of a same-phase state, in which the connected ring oscillators oscillate in phase with each other, and an opposite-phase state, in which the connected ring oscillators oscillate in an opposite phase from each other. A controller is configured to output a total energy of the mapping based on the state outputs.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
REGENTS OF THE UNIVERSITY OF MINNESOTA600 MCNAMARA ALUMNI CENTER 200 OAK STREET SE MINNEAPOLIS MN 55455-2020

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmed, Ibrahim Minneapolis, US 7 167
Chiu, Po-wei Minneapolis, US 27 39
Kim, Hyung-il Minneapolis, US 23 229

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jul 16, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 16, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 16, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00