Membership
Tour
Register
Log in
Robert L. Wallace Jr.
Follow
Person
Warren, NJ, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electret transducer with variable actual air gap
Patent number
4,434,327
Issue date
Feb 28, 1984
Bell Telephone Laboratories, Incorporated
Ilene J. Busch-Vishniac
G01 - MEASURING TESTING
Information
Patent Grant
Electret transducer with a selectively metalized backplate
Patent number
4,429,189
Issue date
Jan 31, 1984
Bell Telephone Laboratories, Incorporated
David A. Berkley
G01 - MEASURING TESTING
Information
Patent Grant
Electret transducer with variable effective air gap
Patent number
4,429,193
Issue date
Jan 31, 1984
Bell Telephone Laboratories, Incorporated
Ilene J. Busch-Vishniac
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electret transducer with variable electret foil thickness
Patent number
4,429,192
Issue date
Jan 31, 1984
Bell Telephone Laboratories, Incorporated
Ilene J. Busch-Vishniac
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electret transducer with variably charged electret foil
Patent number
4,429,191
Issue date
Jan 31, 1984
Bell Telephone Laboratories, Incorporated
Ilene J. Busch-Vishniac
G01 - MEASURING TESTING
Information
Patent Grant
End-fire microphone and loudspeaker structures
Patent number
4,421,957
Issue date
Dec 20, 1983
Bell Telephone Laboratories, Incorporated
Robert L. Wallace
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Teleconference microphone arrays
Patent number
4,311,874
Issue date
Jan 19, 1982
Bell Telephone Laboratories, Incorporated
Robert L. Wallace
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Hall effect device for use in obtaining square or square root of a...
Patent number
4,015,148
Issue date
Mar 29, 1977
Bell Telephone Laboratories, Incorporated
Robert Lee Wallace
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Stereophonic sound reproduction with acoustically matched receiver...
Patent number
3,985,960
Issue date
Oct 12, 1976
Bell Telephone Laboratories, Incorporated
Robert Lee Wallace
H04 - ELECTRIC COMMUNICATION TECHNIQUE