Patent search ap:("EMI LTD") AND inv:"REGINALD PEARCE RALPH" Page 1

1.

发明授权
Manufacture of envelopes having glass windows, such as the envelopes for cathode-raytubes or the like 失效
Title translation: 制造具有玻璃窗的信封，例如阴极射线管等的信封

公开(公告)号：US2518690A

公开(公告)日：1950-08-15

申请号：US3526648

申请日：1948-06-25

Applicant: EMI LTD

Inventor： EDWARD HOLMAN HERBERT , REGINALD PEARCE RALPH

IPC: C03B23/00 , C03B23/217 , H01J9/26

CPC classification number: C03B23/217 , C03B23/0073 , H01J9/263

2.

发明授权
Focusing coil for cathode-ray tubes 失效
Title translation: 聚焦线圈用于阴极射线管

公开(公告)号：US2550592A

公开(公告)日：1951-04-24

申请号：US11100749

申请日：1949-08-18

Applicant: EMI LTD

Inventor： REGINALD PEARCE RALPH

IPC: H01J29/66

CPC classification number: H01J29/66

3.

发明授权
Plural beam cathode ray tubes 失效
Title translation: 多束阴极射线管

公开(公告)号：US2915671A

公开(公告)日：1959-12-01

申请号：US57991856

申请日：1956-04-23

Applicant: EMI LTD

Inventor： REGINALD PEARCE RALPH , WALTER TURNER HENRY

IPC: H01J29/51 , H01J31/20 , H04N9/20

CPC classification number: H01J31/20 , H01J29/51 , H04N9/20

4.

发明授权
Cathode ray tubes 失效

公开(公告)号：US2898491A

公开(公告)日：1959-08-04

申请号：US56182756

申请日：1956-01-27

Applicant: EMI LTD

Inventor： REGINALD PEARCE RALPH

IPC: H01J29/51 , H01J31/20

CPC classification number: H01J31/20 , H01J29/51

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