Patent search ap:("PHILIPS CORP") AND inv:"WIGBOLT EDENS JAN" Page 1

1.

发明授权
Electric discharge tube for highfrequency amplification 失效
Title translation: 放电管用于高频放大

公开(公告)号：US2797266A

公开(公告)日：1957-06-25

申请号：US35484653

申请日：1953-05-13

Applicant: PHILIPS CORP

Inventor： GESINUS DIEMER , SWIER KNOL KORNELIS , WIGBOLT EDENS JAN , WILHELMUS UITJENS ABRAHAM GEER

IPC: H01J21/20

CPC classification number: H01J21/20 , H01J2893/003

2.

发明授权
Mixing circuit for superheterodyne receivers 失效
Title translation: 混合电路用于超外差接收机

公开(公告)号：US2816222A

公开(公告)日：1957-12-10

申请号：US55460055

申请日：1955-12-01

Applicant: PHILIPS CORP

Inventor： WIGBOLT EDENS JAN , JAN STOLK

IPC: H03D7/08 , H03H7/01 , H03J3/28

CPC classification number: H03D7/08 , H03H7/0161 , H03J3/28

3.

发明授权
Tuning circuit with serially connected printed and wire wound inductances to minimize frequency drift 失效
Title translation: 调谐电路具有串行连接的印刷和绕线电感，以最大限度地减少频率漂移

公开(公告)号：US3110003A

公开(公告)日：1963-11-05

申请号：US85072559

申请日：1959-11-03

Applicant: PHILIPS CORP

Inventor： WIGBOLT EDENS JAN , HEIKO BROEKEMA

IPC: H03B5/10 , H03J3/00 , H03J3/10 , H03L1/00

CPC classification number: H03L1/00 , H03B5/10 , H03J3/00 , H03J3/10

4.

发明授权
Band and channel switching receiver with capacitor connectible either for main or vernier tuning 失效
Title translation: 带和通道切换接收器，电容器可连接主电源或游标调谐器

公开(公告)号：US2816221A

公开(公告)日：1957-12-10

申请号：US38455253

申请日：1953-10-07

Applicant: PHILIPS CORP

Inventor： WIGBOLT EDENS JAN , HEIKO BROEKEMA

IPC: H03J3/00 , H03J3/10 , H03J5/24 , H04N5/60

CPC classification number: H03J3/10 , H03J3/00 , H03J5/242 , H04N5/60

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