公开(公告)号：US3374113A

公开(公告)日：1968-03-19

申请号：US42527965

申请日：1965-01-13

Applicant: BELL TELEPHONE LABOR INC

Inventor： CHANG JAMES T H ,  GIANOLA UMBERTO F ,  SAGAL MATTHEW W

IPC: H01F10/14

CPC classification number: H01F10/14

公开(公告)号：US3325651A

公开(公告)日：1967-06-13

申请号：US81814659

申请日：1959-06-04

Applicant: BELL TELEPHONE LABOR INC

Inventor： ARMSTRONG DOUGLAS B ,  GIANOLA UMBERTO F

IPC: H03K17/82

CPC classification number: H03K17/82

公开(公告)号：US3164816A

公开(公告)日：1965-01-05

申请号：US33142063

申请日：1963-12-18

Applicant: BELL TELEPHONE LABOR INC

Inventor： CHANG JAMES T H ,  DILLON JR JOSEPH F ,  GIANOLA UMBERTO F

IPC: G11C13/06

CPC classification number: G11C13/06

公开(公告)号：US3566374A

公开(公告)日：1971-02-23

申请号：US3566374D

申请日：1968-11-29

Applicant: BELL TELEPHONE LABOR INC

Inventor： BONYHARD PETER I ,  GIANOLA UMBERTO F ,  SMITH JAMES L

IPC: G11C11/06 ,  G11C5/02

CPC classification number: G11C11/06057

Abstract: THE OUTPUTS ACHIEVED IN NONDESTRUCTIVE READ OPERATIONS OF MAGNETIC CORE MEMORIES OPERATED IN A DIFFERENTIAL PERMEABILITY MODE ARE ENHANCED BY A PULSE ADDED TO THE SELECTION PULSE TRAIN TO DRIVE TO RELATIVELY HIGH PERMEABILITY STATES ONLY THOSE CORES IN A SELECTED WORD WHICH ARE IN A PARTIALLY SWITCHED CONDITION. THE INCREASED PERMEABILITY PERMITS ENHANCED OUTPUTS IN PARTICULAR MODES OF OPERATION.

公开(公告)号：US3360787A

公开(公告)日：1967-12-26

申请号：US36558864

申请日：1964-05-07

Applicant: BELL TELEPHONE LABOR INC

Inventor： CHANG JAMES T H ,  GIANOLA UMBERTO F

IPC: G11C7/02 ,  G11C11/06

CPC classification number: G11C11/06085

公开(公告)号：US3145371A

公开(公告)日：1964-08-18

申请号：US20468362

申请日：1962-06-25

Applicant: BELL TELEPHONE LABOR INC

Inventor： GIANOLA UMBERTO F

IPC: G11C19/06 ,  H03K17/82

CPC classification number: H03K17/82 ,  G11C19/06

公开(公告)号：US3118070A

公开(公告)日：1964-01-14

申请号：US83460359

申请日：1959-08-18

Applicant: BELL TELEPHONE LABOR INC

Inventor： GIANOLA UMBERTO F

IPC: G11C19/06

CPC classification number: G11C19/06

公开(公告)号：US3069661A

公开(公告)日：1962-12-18

申请号：US69047857

申请日：1957-10-16

Applicant: BELL TELEPHONE LABOR INC

Inventor： GIANOLA UMBERTO F

IPC: G11C11/04 ,  G11C11/10 ,  G11C11/12

CPC classification number: G11C11/10 ,  G11C11/04 ,  G11C11/12

公开(公告)号：US3045215A

公开(公告)日：1962-07-17

申请号：US82290759

申请日：1959-06-25

Applicant: BELL TELEPHONE LABOR INC

Inventor： GIANOLA UMBERTO F

IPC: G11C19/06

CPC classification number: G11C19/06

公开(公告)号：US2989385A

公开(公告)日：1961-06-20

申请号：US65904857

申请日：1957-05-14

Applicant: BELL TELEPHONE LABOR INC

Inventor： GIANOLA UMBERTO F ,  SHARP LEILA V

IPC: C01B33/08 ,  C22F1/16 ,  C23F1/24 ,  H01J37/34 ,  H01L21/00 ,  H01L21/265 ,  H01L21/306

CPC classification number: H01L21/306 ,  C01B33/08 ,  C22F1/16 ,  H01J37/34 ,  H01L21/00 ,  H01L21/26506