Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"WARNOCK MERVILLE L" Page 1

1.

发明授权
Code transmitter 失效
Title translation: 代码发送器

公开(公告)号：US3418431A

公开(公告)日：1968-12-24

申请号：US45986165

申请日：1965-05-28

Applicant: BELL TELEPHONE LABOR INC

Inventor： HERSHEY HAROLD J , MCGEE CHESTER W , WARNOCK MERVILLE L

IPC: H04L17/02

CPC classification number: H04L17/02

2.

发明授权
Automatic code transmitter utilizing a code bearing medium having bits of information 失效
Title translation: 自动代码发送器利用具有位信息的代码承载介质

公开(公告)号：US3320369A

公开(公告)日：1967-05-16

申请号：US35335664

申请日：1964-03-20

Applicant: BELL TELEPHONE LABOR INC

Inventor： HERSHEY HAROLD J , O'CONNOR ROBERT J , WARNOCK MERVILLE L

IPC: H04M1/278

CPC classification number: H04M1/278

3.

发明授权
Coin telephone circuit for dial-tone-first service 失效
Title translation: 拨号电话电话拨号电话服务

公开(公告)号：US3579253A

公开(公告)日：1971-05-18

申请号：US3579253D

申请日：1968-11-08

Applicant: BELL TELEPHONE LABOR INC

Inventor： EDINGTON JOHN E , WARNOCK MERVILLE L

IPC: H04M17/02

CPC classification number: H04M17/023

Abstract: A conventional coin telephone circuit is modified for dial-tonefirst service (limited service without a coin deposit) by various interrelated circuit changes which also provide additional features including a shift from an initial rate mode to a subsequent deposit mode in response to battery reversal and a means for indicating that an adjustable initial rate deposit or an overtime deposit has been made.

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