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Olafur Josefsson
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North Reading, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Charge/discharge control circuit for audio device
Patent number
7,991,169
Issue date
Aug 2, 2011
Analog Devices, Inc.
Colin B. McHugh
G11 - INFORMATION STORAGE
Information
Patent Grant
Switched capacitor system with and method for output glitch reduction
Patent number
7,920,022
Issue date
Apr 5, 2011
Analog Devices, Inc.
Olafur Mar Josefsson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Cross-coupled switched capacitor circuit with a plurality of branches
Patent number
7,683,815
Issue date
Mar 23, 2010
Analog Devices, Inc.
Olafur Josefsson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Calibration system for a communications system
Patent number
7,305,037
Issue date
Dec 4, 2007
Analog Devices, Inc.
Olafur Josefsson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switched capacitor mutual charging system and method
Patent number
7,142,037
Issue date
Nov 28, 2006
Analog Devices, Inc.
Olafur Mar Josefsson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Isolation system with analog communication across an isolation barrier
Patent number
7,110,531
Issue date
Sep 19, 2006
Analog Devices, Inc.
Colm J. Prendergast
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Cross-Coupled Switched Capacitor Circuit with a Plurality of Branches
Publication number
20080303703
Publication date
Dec 11, 2008
Analog Devices, Inc.
Olafur Josefsson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Microphone Microchip Device with Internal Noise Suppression
Publication number
20080090625
Publication date
Apr 17, 2008
Analog Devices, Inc.
Olafur Josefsson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Microphone Microchip Device with Differential Mode Noise Suppression
Publication number
20080089536
Publication date
Apr 17, 2008
Analog Devices, Inc.
Olafur Josefsson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Charge/discharge control circuit for audio device
Publication number
20070030038
Publication date
Feb 8, 2007
Colin B. McHugh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Switched capacitor system with and method for output glitch reduction
Publication number
20070001757
Publication date
Jan 4, 2007
Olafur Mar Josefsson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Switched capacitor mutual charging system and method
Publication number
20060114049
Publication date
Jun 1, 2006
Olafur Mar Josefsson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Calibration system for a communications system
Publication number
20010031012
Publication date
Oct 18, 2001
Olafur Josefsson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Isolation system with analog communication across an isolation barrier
Publication number
20010028320
Publication date
Oct 11, 2001
Colm J. Prendergast
H04 - ELECTRIC COMMUNICATION TECHNIQUE