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公开(公告)号：US3327371A
公开(公告)日：1967-06-27
申请号：US26443163
申请日：1963-03-11
Applicant: BELL TELEPHONE LABOR INC
Inventor： KERNS BECKY T , KOONTZ DONALD E
IPC: H01J23/24
CPC classification number: H01J23/24 , Y10T29/49002 , Y10T29/49016 , Y10T29/4981 , Y10T29/49901
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2.发明授权Carbon transmitter with moving electrode fins for granule loosening and enhanced electrode coupling 失效具有移动电极的碳发电机用于晶粒松弛和增强电极耦合
公开(公告)号：US3437764A
公开(公告)日：1969-04-08
申请号：US3437764D
申请日：1965-12-20
Applicant: BELL TELEPHONE LABOR INC
Inventor： HUFFSTUTLER MILES C JR , KERNS BECKY T
IPC: H04R21/02
CPC classification number: H04R21/021
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