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Karl W. Rabe
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Chapel Hill, NC, US
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last 30 patents
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Patent Grant
Dual use speaker for both voice communication and signalling
Patent number
6,035,211
Issue date
Mar 7, 2000
Ericsson Inc.
Karl W. Rabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound transducer and method having light detector for detecting dis...
Patent number
5,995,260
Issue date
Nov 30, 1999
Ericsson Inc.
Karl W. Rabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radiotelephone having an acoustical wave guide coupled to a speaker
Patent number
5,963,640
Issue date
Oct 5, 1999
Ericsson, Inc.
Karl W. Rabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radiotelephone having a non-resonant wave guide acoustically couple...
Patent number
5,890,072
Issue date
Mar 30, 1999
Ericsson, Inc.
Karl W. Rabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic horn for use in cellular flip phones
Patent number
5,832,079
Issue date
Nov 3, 1998
Ericsson Inc.
Karl W. Rabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE