Larry A. Marcus

Person

Fishers, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Gradient micro-electro-mechanical systems (MEMS) microphone
- Patent number 10,771,875
- Issue date Sep 8, 2020
- Harman International Industries, Incorporated
- John C Baumhauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gradient micro-electro-mechanical systems (MEMS) microphone
- Patent number 10,154,330
- Issue date Dec 11, 2018
- Harman International Industries, Incorporated
- John C Baumhauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone for wideband communication
- Patent number 8,300,871
- Issue date Oct 30, 2012
- MWM Acoustics, LLC
- Christopher T. Welsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone system for communication devices
- Patent number 7,751,575
- Issue date Jul 6, 2010
- John C. Baumhauer, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone handset coupling system
- Patent number 7,646,865
- Issue date Jan 12, 2010
- MWM Acoustics, LLC
- Christopher Todd Welsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone isolation system
- Patent number 7,182,324
- Issue date Feb 27, 2007
- Polycom, Inc.
- John C. Baumhauer, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for controlling the output of moving armature...
- Patent number 6,389,145
- Issue date May 14, 2002
- Agere Systems Guardian Corp.
- John Charles Baumhauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active noise control earpiece being compatible with magnetic couple...
- Patent number 5,740,257
- Issue date Apr 14, 1998
- Lucent Technologies Inc.
- Larry Allen Marcus
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable loudspeaker/directional microphone peripheral
- Patent number 5,696,359
- Issue date Dec 9, 1997
- Lucent Technologies Inc.
- Larry Allen Marcus
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Noise canceling gradient microphone assembly
- Patent number 5,651,074
- Issue date Jul 22, 1997
- Lucent Technologies Inc.
- John Charles Baumhauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Extendable telephone handset with flexible electrical interconnecti...
- Patent number 5,586,183
- Issue date Dec 17, 1996
- Lucent Technologies Inc.
- Larry A. Marcus
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetoresistive microphone and acoustic sensing devices
- Patent number 5,450,372
- Issue date Sep 12, 1995
- AT&T Corp.
- Sungho Jin
- G01 - MEASURING TESTING
Information Patent Grant
Telephone handset
- Patent number D355917
- Issue date Feb 28, 1995
- AT&T Corp.
- Anthony J. Grewe
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Coupling apparatus for telephone handsets
- Patent number 5,291,541
- Issue date Mar 1, 1994
- AT&T Bell Laboratories
- Clinton D. Gibler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
GRADIENT MICRO-ELECTRO-MECHANICAL SYSTEMS (MEMS) MICROPHONE
- Publication number 20190110116
- Publication date Apr 11, 2019
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- John C. BAUMHAUER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GRADIENT MICRO-ELECTRO-MECHANICAL SYSTEMS (MEMS) MICROPHONE
- Publication number 20150010191
- Publication date Jan 8, 2015
- HARMAN INTERNATIONAL INDUSTRIES, INC.
- John C. BAUMHAUER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EARPHONE FOR WIDEBAND COMMUNICATION
- Publication number 20090116676
- Publication date May 7, 2009
- MWM Acoustics, LLC (an Indiana limited liability company)
- Christopher T. Welsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone handset coupling system
- Publication number 20080292066
- Publication date Nov 27, 2008
- MWM Acoustics, LLC
- Christopher Todd Welsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Microphone Isolation System
- Publication number 20070126164
- Publication date Jun 7, 2007
- Polycom, Inc.
- John C. Baumhauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Microphone isolation system
- Publication number 20030197316
- Publication date Oct 23, 2003
- John C. Baumhauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication device having a microphone system with optimal acoust...
- Publication number 20030008676
- Publication date Jan 9, 2003
- John Charles Baumhauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR CONTROLLING THE OUTPUT OF MOVING ARMATURE...
- Publication number 20010012371
- Publication date Aug 9, 2001
- JOHN CHARLES BAUMHAUER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Larry A. Marcus

Person

Patents Grantslast 30 patents

Gradient micro-electro-mechanical systems (MEMS) microphone

Gradient micro-electro-mechanical systems (MEMS) microphone

Earphone for wideband communication

Microphone system for communication devices

Telephone handset coupling system

Microphone isolation system

Methods and apparatus for controlling the output of moving armature...

Active noise control earpiece being compatible with magnetic couple...

Portable loudspeaker/directional microphone peripheral

Noise canceling gradient microphone assembly

Extendable telephone handset with flexible electrical interconnecti...

Magnetoresistive microphone and acoustic sensing devices

Telephone handset

Coupling apparatus for telephone handsets

Patents Applicationslast 30 patents

GRADIENT MICRO-ELECTRO-MECHANICAL SYSTEMS (MEMS) MICROPHONE

GRADIENT MICRO-ELECTRO-MECHANICAL SYSTEMS (MEMS) MICROPHONE

EARPHONE FOR WIDEBAND COMMUNICATION

Telephone handset coupling system

Microphone Isolation System

Microphone isolation system

Communication device having a microphone system with optimal acoust...

METHODS AND APPARATUS FOR CONTROLLING THE OUTPUT OF MOVING ARMATURE...