Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"MICHEL WALTER S" Page 1

1.

发明授权
Emergency reporting alarm equipment for telephone stations 失效
Title translation: 紧急报警电话报警设备

公开(公告)号：US3206551A

公开(公告)日：1965-09-14

申请号：US7178260

申请日：1960-11-25

Applicant: BELL TELEPHONE LABOR INC

Inventor： CROWSON FRED B , MICHEL WALTER S

IPC: H04M1/27 , H04M1/57

CPC classification number: H04M1/27 , H04M1/57

2.

发明授权
Facsimile communication system 失效
Title translation: 传真通信系统

公开(公告)号：US2909601A

公开(公告)日：1959-10-20

申请号：US65739457

申请日：1957-05-06

Applicant: BELL TELEPHONE LABOR INC

Inventor： FLECKENSTEIN WILLIAM O , KRETZMER ERNEST R , MICHEL WALTER S

IPC: H04N1/419

CPC classification number: H04N1/419

3.

发明授权
Dial pulsing signaling system utilizing coded pulse group transmission over a common signaling channel 失效
Title translation: 使用通用信号通道的编码脉冲组传输的拨号脉冲信号系统

公开(公告)号：US3492434A

公开(公告)日：1970-01-27

申请号：US3492434D

申请日：1966-12-23

Applicant: BELL TELEPHONE LABOR INC

Inventor： MICHEL WALTER S

IPC: H04J3/12 , H04Q11/04 , H04M3/22

CPC classification number: H04J3/12 , H04Q11/04

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