公开(公告)号：US3597047A

公开(公告)日：1971-08-03

申请号：US3597047D

申请日：1969-06-13

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: G02F1/29 ,  H03M1/00 ,  H04J14/08 ,  G02F1/26

CPC classification number: G02F1/29 ,  H03M1/26 ,  H04J14/08

Abstract: The incremental index of refraction change due to the properties of electrooptic material is enhanced by providing multiple reflection of a light beam between mirrors disposed on opposite sides of the electrooptic material, particularly if one of the mirrors is concave and the other convex. A light beam deflector of this construction is disclosed in an analog-to-digital coder and is also well adapted for use in time-division multiplex systems.

公开(公告)号：US3594782A

公开(公告)日：1971-07-20

申请号：US3594782D

申请日：1969-03-20

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: H03M1/00 ,  H03K13/04

CPC classification number: H03M1/00 ,  H03M1/08

Abstract: Digital-to-analog conversion circuits are described in which a plurality of capacitors are charged by digitally weighted voltages. The capacitors are then placed in series to provide an analog output voltage. A system is also shown in which a plurality of these digital-to-analog conversion circuits are operated from a common voltage source.

公开(公告)号：US2806950A

公开(公告)日：1957-09-17

申请号：US57452156

申请日：1956-03-28

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: H03M1/00

CPC classification number: H03M1/1255

公开(公告)号：US2636159A

公开(公告)日：1953-04-21

申请号：US22069551

申请日：1951-04-12

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: H03M1/00

CPC classification number: H03M1/00 ,  H03M1/22

公开(公告)号：US3626408A

公开(公告)日：1971-12-07

申请号：US3626408D

申请日：1969-12-31

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: H03M1/00 ,  H03K13/02

CPC classification number: H03M1/38 ,  H03M1/72

Abstract: Circulating pulse code modulation (PCM) encoder and decoder which utilize capacitive charge redistribution techniques. A means for automatic scaling to adapt reference voltages to the signal to be converted is also provided.

公开(公告)号：US3283131A

公开(公告)日：1966-11-01

申请号：US31152963

申请日：1963-09-25

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: G06F7/58 ,  G06F7/68 ,  H03K3/30 ,  H03K5/156 ,  H03K21/00 ,  H03K23/00

CPC classification number: G06F7/58 ,  G06F7/68 ,  H03K3/30 ,  H03K5/156 ,  H03K21/00 ,  H03K23/002

公开(公告)号：US3109897A

公开(公告)日：1963-11-05

申请号：US3063360

申请日：1960-05-20

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: H04J3/06 ,  H04J3/07

CPC classification number: H04J3/06 ,  H04J3/07

公开(公告)号：US3038029A

公开(公告)日：1962-06-05

申请号：US82030759

申请日：1959-06-15

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: H03M1/00 ,  H03M5/00 ,  H04L25/49 ,  H04N7/56 ,  H04N21/2383 ,  H04N21/438

CPC classification number: H04N21/2383 ,  H03M1/32 ,  H03M5/00 ,  H04L25/49 ,  H04N7/56 ,  H04N21/4382

公开(公告)号：US2961492A

公开(公告)日：1960-11-22

申请号：US68648057

申请日：1957-09-26

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L ,  FELDMAN CARL B H

IPC: H04J3/16 ,  H04J3/17

CPC classification number: H04J3/1688 ,  H04J3/17

公开(公告)号：US2571680A

公开(公告)日：1951-10-16

申请号：US7587549

申请日：1949-02-11

Applicant: BELL TELEPHONE LABOR INC

Inventor： CARBREY ROBERT L

IPC: H03M5/00

CPC classification number: H03M5/00