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Browse by Category: Main > Communications
Class Information
Number: 379/432
Name: Telephonic communications > Terminal > Housing or housing component > Loudspeaking set
Description: Subject matter in which a telephone housing radiates reproduced sound to a user located away from the terminal.


Patents under this class:

Patent Number Title Of Patent Date Issued
7578367 Speaker set and electronic product incorporating the same Aug. 25, 2009
7578368 Speaker set for electronic product Aug. 25, 2009
7556121 Speaker set and mobile phone incorporating the same Jul. 7, 2009
7388960 Multimedia speaker headphone Jun. 17, 2008
7123735 Method and apparatus to increase acoustic separation Oct. 17, 2006
7068979 Mobile telecommunications device Jun. 27, 2006
6853850 Automatic speaker volume and microphone gain control in a portable handheld radiotelephone with proximity sensors Feb. 8, 2005
6785395 Speaker configuration for a portable electronic device Aug. 31, 2004
6584198 Device and method for monitoring shock Jun. 24, 2003
6389145 Methods and apparatus for controlling the output of moving armature transducers May. 14, 2002
6144864 Voice communication for handheld computing devices Nov. 7, 2000
6060979 Call box apparatus May. 9, 2000
5896461 Compact speakerphone apparatus Apr. 20, 1999
5864766 Cellular telephone battery with auto-answering and hand-free functions Jan. 26, 1999
5642402 Hands free equipment Jun. 24, 1997
5588041 Cellular speakerphone and method of operation thereof Dec. 24, 1996
5572575 Cordless telephone system having speaker phone function Nov. 5, 1996
5526405 Cordless telephone apparatus with a speakerphone operation mode cordless Jun. 11, 1996
5367556 Portable radio telephone used with an adaptor unit having a hand-free circuit Nov. 22, 1994
5301224 Mobile telephone with lateral loudspeaker Apr. 5, 1994
5282246 Handsfree mobile telephone rack Jan. 25, 1994
5276916 Communication device having a speaker and microphone Jan. 4, 1994
5226076 Directional microphone assembly Jul. 6, 1993
5138651 Cordless loud speaking telephone Aug. 11, 1992
5121426 Loudspeaking telephone station including directional microphone Jun. 9, 1992
5050209 Telephone set Sep. 17, 1991
4937877 Modular microphone assembly Jun. 26, 1990
D300428 Voice communication module for use with computers Mar. 28, 1989
4680790 Bedside control module for healthcare stations and the like Jul. 14, 1987
D282166 Hand free phone Jan. 14, 1986
4550429 Shock absorbing transducer module Oct. 29, 1985
D257350 Loudspeaking telephone housing Oct. 14, 1980
4178488 Telephone set Dec. 11, 1979
4142312 Station set for mobile radiotelephone units Mar. 6, 1979
4038502 Acoustic coupling structure for microphone Jul. 26, 1977



 
 
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