Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"GREENE JR PATRICK J" Page 1

1.

发明授权
Automatic encoder test set for pcm encoders 失效
Title translation: 针对pcm编码器的自动编码器测试装置

公开(公告)号：US3154738A

公开(公告)日：1964-10-27

申请号：US15137361

申请日：1961-11-09

Applicant: BELL TELEPHONE LABOR INC

Inventor： GREENE JR PATRICK J , WILLIAMS OWEN L , YAEGER ROBERT E

IPC: H03M1/10 , H04J3/14

CPC classification number: H04J3/14 , H03M1/109

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