GB2330697B - Inductance device and wireless terminal equipement - Google Patents

Inductance device and wireless terminal equipement

Info

Publication number
GB2330697B
GB2330697B GB9821054A GB9821054A GB2330697B GB 2330697 B GB2330697 B GB 2330697B GB 9821054 A GB9821054 A GB 9821054A GB 9821054 A GB9821054 A GB 9821054A GB 2330697 B GB2330697 B GB 2330697B
Authority
GB
United Kingdom
Prior art keywords
equipement
wireless terminal
inductance device
inductance
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9821054A
Other versions
GB2330697A (en
GB9821054D0 (en
Inventor
Kazuhiro Takeda
Hiromi Sakita
Kenzou Isozaki
Noriya Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP08269583A external-priority patent/JP3093658B2/en
Priority claimed from JP08269584A external-priority patent/JP3093659B2/en
Priority claimed from JP08269587A external-priority patent/JP3093660B2/en
Priority claimed from JP08269588A external-priority patent/JP3083482B2/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority claimed from GB9709497A external-priority patent/GB2318218B/en
Publication of GB9821054D0 publication Critical patent/GB9821054D0/en
Publication of GB2330697A publication Critical patent/GB2330697A/en
Application granted granted Critical
Publication of GB2330697B publication Critical patent/GB2330697B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/045—Fixed inductances of the signal type  with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
GB9821054A 1996-10-11 1997-05-09 Inductance device and wireless terminal equipement Expired - Fee Related GB2330697B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP08269583A JP3093658B2 (en) 1996-10-11 1996-10-11 Inductance element and wireless terminal device
JP08269584A JP3093659B2 (en) 1996-10-11 1996-10-11 Inductance element and wireless terminal device
JP08269587A JP3093660B2 (en) 1996-10-11 1996-10-11 Inductance element and wireless terminal device
JP08269588A JP3083482B2 (en) 1996-10-11 1996-10-11 Inductance element and wireless terminal device
GB9709497A GB2318218B (en) 1996-10-11 1997-05-09 Inductance device and wireless terminal equiptment

Publications (3)

Publication Number Publication Date
GB9821054D0 GB9821054D0 (en) 1998-11-18
GB2330697A GB2330697A (en) 1999-04-28
GB2330697B true GB2330697B (en) 1999-10-13

Family

ID=27517403

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9821056A Expired - Fee Related GB2330698B (en) 1996-10-11 1997-05-09 Inductance device and wireless terminal equipment
GB9821054A Expired - Fee Related GB2330697B (en) 1996-10-11 1997-05-09 Inductance device and wireless terminal equipement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9821056A Expired - Fee Related GB2330698B (en) 1996-10-11 1997-05-09 Inductance device and wireless terminal equipment

Country Status (1)

Country Link
GB (2) GB2330698B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413735A (en) * 1972-10-31 1975-11-12 Siemens Ag Inductive electrical components
EP0588306A1 (en) * 1992-09-15 1994-03-23 Grumman Aerospace Corporation Photo-etched electronic coil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413735A (en) * 1972-10-31 1975-11-12 Siemens Ag Inductive electrical components
EP0588306A1 (en) * 1992-09-15 1994-03-23 Grumman Aerospace Corporation Photo-etched electronic coil

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, vol 10, no 125 (E-402) JP 600257118 A (MATSUSHITA) *
Patent Abstracts of Japan, vol 8, no 213 (E-269) JP 590098508 A (FUJI) *
Patent Abstracts of Japan, vol 9, no 310 (E-364) JP 600144922 A (FUJI) *

Also Published As

Publication number Publication date
GB2330697A (en) 1999-04-28
GB2330698B (en) 1999-10-13
GB9821054D0 (en) 1998-11-18
GB9821056D0 (en) 1998-11-18
GB2330698A (en) 1999-04-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110509