Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"PORT ERICH" Page 1

1.

发明授权
Controlled impedance analog multiplier circuit in which a differential amplifier output drives a field effect transistor 失效
Title translation: 差分放大器输出驱动场效应晶体管的控制阻抗模拟多路复用电路

公开(公告)号：US3475601A

公开(公告)日：1969-10-28

申请号：US3475601D

申请日：1967-08-24

Applicant: BELL TELEPHONE LABOR INC

Inventor： PORT ERICH

IPC: G06G7/163 , G06G7/16 , G06G7/12

CPC classification number: G06G7/163

2.

发明授权
System for initially adjusting a signal equalizing device 失效
Title translation: 用于初始调整信号均衡器件的系统

公开(公告)号：US3447103A

公开(公告)日：1969-05-27

申请号：US3447103D

申请日：1966-12-19

Applicant: BELL TELEPHONE LABOR INC

Inventor： PORT ERICH

IPC: H04L25/03 , H03H5/12 , H03K3/26

CPC classification number: H04L25/03038

3.

发明授权
System for providing adjusting signals to a transversal filter equalizer 失效
Title translation: 向跨过滤器均衡器提供调节信号的系统

公开(公告)号：US3553606A

公开(公告)日：1971-01-05

申请号：US3553606D

申请日：1969-04-21

Applicant: BELL TELEPHONE LABOR INC

Inventor： PORT ERICH

IPC: H04L25/03 , H04B3/04 , H03H5/00 , H03H7/10

CPC classification number: H04L25/03038

Abstract: A SYSTEM IS DISCLOSED IN WHICH DIFFERENTIAL ADJUSTING SIGNALS FOR A TRANSVERSAL FILTER EQUALIZER ARE GENERATED BY DELAYING AN ERROR POLARITY SIGNAL WITH A FIRST SHIFT REGISTER AND A SIGNAL POLARITY SIGNAL WITH A SECOND SHIFT REGISTER. THE ERROR POLARITY SIGNAL IS CORRELATED WITH THE OUTPUT OF EACH STAGE OF THE SECOND SHIFT REGISTER WHILE THE SIGNAL POLARITY SIGNAL IS CORRELATED WITH THE OUTPUT OF EACH STAGE OF THE FIRST SHIFT REGISTER.

4.

发明授权
Adaptive mean-square equalizer for data transmission 失效
Title translation: 用于数据传输的自适应平均均衡器

公开(公告)号：US3508172A

公开(公告)日：1970-04-21

申请号：US3508172D

申请日：1968-01-23

Applicant: BELL TELEPHONE LABOR INC

Inventor： KRETZMER ERNEST R , PORT ERICH , RUDIN HARRY R JR

IPC: H03H15/00 , H04B3/10 , H04L25/03 , H04B3/04 , H04B3/06 , H04B3/14

CPC classification number: H04L25/03038

5.

发明授权
Automatic equalizer for partial-response data transmission systems 失效
Title translation: 用于部分响应数据传输系统的自动均衡器

公开(公告)号：US3508153A

公开(公告)日：1970-04-21

申请号：US3508153D

申请日：1967-09-11

Applicant: BELL TELEPHONE LABOR INC

Inventor： GERRISH ALLAN M , PORT ERICH , SHEEHAN JOHN R

IPC: H03H15/00 , H04B3/06 , H04L25/03 , H04B1/12 , H04B3/04

CPC classification number: H04L25/03038

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