Keith E. Barr

Person

Los Angeles, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Portable cardiac monitor including a range limiter
- Patent number 7,474,914
- Issue date Jan 6, 2009
- Exelys, LLC
- Keith E. Barr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Portable cardiac monitor
- Patent number 7,361,188
- Issue date Apr 22, 2008
- Exelys, LLC
- Keith E. Barr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Inclination sensor
- Patent number 7,188,426
- Issue date Mar 13, 2007
- Exelys LLC
- Keith E. Barr
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method for improving the received signal to noise ratio of a laser...
- Patent number 7,184,130
- Issue date Feb 27, 2007
- Exelys, LLC
- Keith E. Barr
- G01 - MEASURING TESTING
Information Patent Grant
Serial data transmission system using minimal interface
- Patent number 6,871,051
- Issue date Mar 22, 2005
- Keith Barr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low noise method for interconnecting analog and digital integrated...
- Patent number 6,163,197
- Issue date Dec 19, 2000
- Alesis Semiconductor, Inc.
- Keith Barr
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fully complementary folded cascode amplifier
- Patent number 6,043,708
- Issue date Mar 28, 2000
- Alesis Studio Electronics, Inc.
- Keith Barr
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise method for interconnecting analog and digital integrated...
- Patent number 5,969,562
- Issue date Oct 19, 1999
- Alesis Studio Electronics, Inc.
- Keith Barr
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for synchronizing digital audio tape recorders
- Patent number 5,541,781
- Issue date Jul 30, 1996
- Alesis
- Keith Barr
- G11 - INFORMATION STORAGE
Information Patent Grant
Format for recording digital audio onto magnetic tape with enhanced...
- Patent number 5,321,561
- Issue date Jun 14, 1994
- Alesis
- Keith Barr
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for providing a digital audio interface protocol
- Patent number 5,297,181
- Issue date Mar 22, 1994
- Alesis
- Keith Barr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone
- Patent number 5,161,200
- Issue date Nov 3, 1992
- Alesis Corporation
- Keith Barr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE CARDIAC MONITOR INCLUDING RF COMMUNICATION
- Publication number 20090299207
- Publication date Dec 3, 2009
- EXELYS, LLC
- Keith E. Barr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Laser diode switching system
- Publication number 20070273862
- Publication date Nov 29, 2007
- EXELYS, LLC
- Keith E. Barr
- G01 - MEASURING TESTING
Information Patent Application
Portable cardiac monitor
- Publication number 20060229521
- Publication date Oct 12, 2006
- EXELYS, LLC
- Keith E. Barr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Portable cardiac monitor including a range limiter
- Publication number 20060229523
- Publication date Oct 12, 2006
- EXELYS, LLC
- Keith E. Barr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Portable cardiac monitor including pulsed power operation
- Publication number 20060229525
- Publication date Oct 12, 2006
- EXELYS, LLC
- Keith E. Barr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Portable cardiac monitor including RF communication
- Publication number 20060229522
- Publication date Oct 12, 2006
- EXELYS, LLC
- Keith E. Barr
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Golf ball location system
- Publication number 20050085316
- Publication date Apr 21, 2005
- Exelys LLC
- Keith E. Barr
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Inclination sensor
- Publication number 20040205973
- Publication date Oct 21, 2004
- Exelys LLC
- Keith E. Barr
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Rebound tester
- Publication number 20040206156
- Publication date Oct 21, 2004
- Exelys LLC
- Keith E. Barr
- G01 - MEASURING TESTING

Keith E. Barr

Person

Patents Grantslast 30 patents

Portable cardiac monitor including a range limiter

Portable cardiac monitor

Inclination sensor

Method for improving the received signal to noise ratio of a laser...

Serial data transmission system using minimal interface

Low noise method for interconnecting analog and digital integrated...

Fully complementary folded cascode amplifier

Low noise method for interconnecting analog and digital integrated...

Method for synchronizing digital audio tape recorders

Format for recording digital audio onto magnetic tape with enhanced...

Method and apparatus for providing a digital audio interface protocol

Microphone

Patents Applicationslast 30 patents

PORTABLE CARDIAC MONITOR INCLUDING RF COMMUNICATION

Laser diode switching system

Portable cardiac monitor

Portable cardiac monitor including a range limiter

Portable cardiac monitor including pulsed power operation

Portable cardiac monitor including RF communication

Golf ball location system

Inclination sensor

Rebound tester