David John Seman

Follow

Person

Apex, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
On-chip frequency response measurement
- Patent number 7,797,131
- Issue date Sep 14, 2010
- International Business Machines Corporation
- Deepak K. Singh
- G01 - MEASURING TESTING
Information Patent Grant
Digital adaptive voltage supply
- Patent number 7,714,635
- Issue date May 11, 2010
- International Business Machines Corporation
- Deepak K. Singh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Lock detector for delay or phase locked loops
- Patent number 6,798,858
- Issue date Sep 28, 2004
- International Business Machines Corporation
- Francois Ibrahim Atallah
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Precise and programmable duty cycle generator
- Patent number 6,593,789
- Issue date Jul 15, 2003
- International Business Machines Corporation
- Francois I. Atallah
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Delay-locked loop which includes a monitor to allow for proper alig...
- Patent number 6,330,296
- Issue date Dec 11, 2001
- International Business Machines Corporation
- Francois Ibrahim Atallah
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
On-Chip Frequency Response Measurement
- Publication number 20090055122
- Publication date Feb 26, 2009
- International Business Machines Corportation
- Deepak K. Singh
- G01 - MEASURING TESTING
Information Patent Application
Digital Adaptive Voltage Supply
- Publication number 20080186082
- Publication date Aug 7, 2008
- Deepak K Singh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PRECISE AND PROGRAMMABLE DUTY CYCLE GENERATOR
- Publication number 20030112046
- Publication date Jun 19, 2003
- International Business Machines Corporation
- Francois I. Atallah
- H03 - BASIC ELECTRONIC CIRCUITRY