公开(公告)号：HU180043B

公开(公告)日：1983-01-28

申请号：HUPI000632

申请日：1978-07-03

Applicant: PHILIPS NV

Inventor： BARTEN PIET G ,  GERRITSEN JAN ,  TENDELOO KEES

IPC: H01J29/54 ,  H01F13/00 ,  H01J9/44 ,  H01J29/70 ,  H04N9/28 ,  H01J31/20

Abstract: A ring is provided to correct the convergence, color purity and frame errors of a color display tube which ring is magnetized as a multipole and which is secured in or around the tube neck and around the paths of the electron beams. The magnetization of such a ring can best be carried out by energizing a magnetization unit with a combination of direct currents thereby generating a multipole magnetic field and then effecting the magnetization by generating a decaying alternating magnetic field which preferably varies its direction continuously.

公开(公告)号：GB2000635B

公开(公告)日：1982-01-27

申请号：GB7828587

申请日：1978-07-03

Applicant: PHILIPS NV

Inventor： GERARD PIET ,  GERRITSEN JAN ,  TENDELOO KEES ,  BARTEN JOSEPH

IPC: H01J29/54 ,  H01F13/00 ,  H01J9/44 ,  H01J29/70 ,  H04N9/28 ,  H01J29/46

Abstract: A ring is provided to correct the convergence, color purity and frame errors of a color display tube which ring is magnetized as a multipole and which is secured in or around the tube neck and around the paths of the electron beams. The magnetization of such a ring can best be carried out by energizing a magnetization unit with a combination of direct currents thereby generating a multipole magnetic field and then effecting the magnetization by generating a decaying alternating magnetic field which preferably varies its direction continuously.

公开(公告)号：FI66098C

公开(公告)日：1984-08-10

申请号：FI782139

申请日：1978-07-03

Applicant: PHILIPS NV

Inventor： BARTEN PIET GERARD JOSEPH ,  GERRITSEN JAN ,  TENDELOO KEES

IPC: H01J29/54 ,  H01F13/00 ,  H01J9/44 ,  H01J29/70 ,  H04N9/28 ,  H01J29/51

Abstract: A ring is provided to correct the convergence, color purity and frame errors of a color display tube which ring is magnetized as a multipole and which is secured in or around the tube neck and around the paths of the electron beams. The magnetization of such a ring can best be carried out by energizing a magnetization unit with a combination of direct currents thereby generating a multipole magnetic field and then effecting the magnetization by generating a decaying alternating magnetic field which preferably varies its direction continuously.

公开(公告)号：HK39382A

公开(公告)日：1982-09-17

申请号：HK39382

申请日：1982-09-09

Applicant: PHILIPS NV

Inventor： PIET GERAD ,  GERRITSEN JAN ,  TENDELOO KEES ,  BARTEN JOSEPH

IPC: H01J29/54 ,  H01F13/00 ,  H01J9/44 ,  H01J29/70 ,  H04N9/28 ,  H01J29/46

Abstract: A ring is provided to correct the convergence, color purity and frame errors of a color display tube which ring is magnetized as a multipole and which is secured in or around the tube neck and around the paths of the electron beams. The magnetization of such a ring can best be carried out by energizing a magnetization unit with a combination of direct currents thereby generating a multipole magnetic field and then effecting the magnetization by generating a decaying alternating magnetic field which preferably varies its direction continuously.

公开(公告)号：FI66098B

公开(公告)日：1984-04-30

申请号：FI782139

申请日：1978-07-03

Applicant: PHILIPS NV

Inventor： BARTEN PIET GERARD JOSEPH ,  GERRITSEN JAN ,  TENDELOO KEES

IPC: H01J29/54 ,  H01F13/00 ,  H01J9/44 ,  H01J29/70 ,  H04N9/28 ,  H01J29/51

Abstract: A ring is provided to correct the convergence, color purity and frame errors of a color display tube which ring is magnetized as a multipole and which is secured in or around the tube neck and around the paths of the electron beams. The magnetization of such a ring can best be carried out by energizing a magnetization unit with a combination of direct currents thereby generating a multipole magnetic field and then effecting the magnetization by generating a decaying alternating magnetic field which preferably varies its direction continuously.

公开(公告)号：DD136559A5

公开(公告)日：1979-07-11

申请号：DD20634978

申请日：1978-06-28

Applicant: PHILIPS NV

Inventor： BARTEN PIET G J ,  GERRITSEN JAN ,  TENDELOO KEES

IPC: H01J29/54 ,  H01F13/00 ,  H01J9/44 ,  H01J29/70 ,  H04N9/28 ,  H01J29/00

Abstract: A ring is provided to correct the convergence, color purity and frame errors of a color display tube which ring is magnetized as a multipole and which is secured in or around the tube neck and around the paths of the electron beams. The magnetization of such a ring can best be carried out by energizing a magnetization unit with a combination of direct currents thereby generating a multipole magnetic field and then effecting the magnetization by generating a decaying alternating magnetic field which preferably varies its direction continuously.