GB2243038B - Interface apparatus - Google Patents

Interface apparatus

Info

Publication number: GB2243038B
Authority: GB; United Kingdom
Prior art keywords: interface apparatus; interface
Prior art date: 1990-03-30
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

GB9106645A

Other versions

GB2243038A (en

GB9106645D0 (en

Inventor

Richard John Swain

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.)

British Telecommunications PLC

Original Assignee

British Telecommunications PLC

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.)

1990-03-30

Filing date

1991-03-28

Publication date

1994-01-26

1991-03-28 Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC

1991-05-15 Publication of GB9106645D0 publication Critical patent/GB9106645D0/en

1991-10-16 Publication of GB2243038A publication Critical patent/GB2243038A/en

1994-01-26 Application granted granted Critical

1994-01-26 Publication of GB2243038B publication Critical patent/GB2243038B/en

2011-03-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns

GB9106645A 1990-03-30 1991-03-28 Interface apparatus Expired - Fee Related GB2243038B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB909007138A GB9007138D0 (en)	1990-03-30	1990-03-30	Interface apparatus

Publications (3)

Publication Number	Publication Date
GB9106645D0 GB9106645D0 (en)	1991-05-15
GB2243038A GB2243038A (en)	1991-10-16
GB2243038B true GB2243038B (en)	1994-01-26

Family

ID=10673539

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB909007138A Pending GB9007138D0 (en)	1990-03-30	1990-03-30	Interface apparatus
GB9106645A Expired - Fee Related GB2243038B (en)	1990-03-30	1991-03-28	Interface apparatus

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB909007138A Pending GB9007138D0 (en)	1990-03-30	1990-03-30	Interface apparatus

Country Status (1)

Country	Link
GB (2)	GB9007138D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2258778B (en) *	1991-08-15	1995-07-12	Amulet Electronics Ltd	Impedance matching
US5389900A (en) *	1993-03-26	1995-02-14	At&T Corp.	Adapter for transmission of color components on separate twisted wire pairs
US5587692A (en) *	1994-05-18	1996-12-24	Tut Systems, Inc.	Common mode current cancellation in twisted pairs
US5420551A (en) *	1994-06-29	1995-05-30	At&T Corp.	Circuit for broadband video transmission over unshielded twisted wire pairs
US5495212A (en) *	1994-12-19	1996-02-27	Bh Electronics, Inc.	Coupling device connecting an unbalanced signal line to a balanced signal line
US5901340A (en) *	1995-06-28	1999-05-04	The Whitaker Corporation	Wideband signal distribution system
US6803835B2 (en) *	2001-08-30	2004-10-12	Agilent Technologies, Inc.	Integrated filter balun
US10200091B2 (en) *	2017-06-13	2019-02-05	Nxp B.V.	RF front end module and near field communication device
US10516445B2 (en)	2018-04-11	2019-12-24	Nxp B.V.	RF front end module and near field communication device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB990170A (en) *	1960-08-16	1965-04-28	Telefunken Patent	Improvements in or relating to Balance-to-Unbalance (and vice versa) Impedance Transforming Couplers
US4717896A (en) *	1985-03-21	1988-01-05	And Yet, Inc.	Balun
US4766402A (en) *	1987-08-06	1988-08-23	3Com Corporation	Apparatus for matching unbalanced R. F. baseband signals to balanced signals on a twisted two-wire line
US4800344A (en) *	1985-03-21	1989-01-24	And Yet, Inc.	Balun

1990
- 1990-03-30 GB GB909007138A patent/GB9007138D0/en active Pending
1991
- 1991-03-28 GB GB9106645A patent/GB2243038B/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB990170A (en) *	1960-08-16	1965-04-28	Telefunken Patent	Improvements in or relating to Balance-to-Unbalance (and vice versa) Impedance Transforming Couplers
US4717896A (en) *	1985-03-21	1988-01-05	And Yet, Inc.	Balun
US4800344A (en) *	1985-03-21	1989-01-24	And Yet, Inc.	Balun
US4766402A (en) *	1987-08-06	1988-08-23	3Com Corporation	Apparatus for matching unbalanced R. F. baseband signals to balanced signals on a twisted two-wire line

Also Published As

Publication number	Publication date
GB9007138D0 (en)	1990-05-30
GB2243038A (en)	1991-10-16
GB9106645D0 (en)	1991-05-15

Publication	Publication Date	Title
GB2251159B (en)	1994-09-28	Receiving apparatus
HUT59847A (en)	1992-07-28	Fluid-aerating apparatus
GB2250008B (en)	1994-03-30	Fall-arrest apparatus
GB2243634B (en)	1994-06-01	Well apparatus
EP0446034A3 (en)	1992-12-30	Development apparatus
GB2249089B (en)	1994-03-30	Improved alignment apparatus
GB2242510B (en)	1993-10-27	Radiation-lamp apparatus
GB2243038B (en)	1994-01-26	Interface apparatus
GB2246888B (en)	1994-01-19	Calculating apparatus
GB2248425B (en)	1994-07-27	Fixing apparatus
GB9018001D0 (en)	1990-10-03	Multi-inoculation apparatus
EP0456999A3 (en)	1992-05-06	Weighing-packaging-pricing apparatus
GB9120046D0 (en)	1991-11-06	Positioning apparatus
EP0482867A3 (en)	1992-11-19	Development apparatus
GB9024142D0 (en)	1990-12-19	Interface apparatus
GB9011459D0 (en)	1990-07-11	Apparatus
GB9014650D0 (en)	1990-08-22	Apparatus
AU109642S (en)	1990-11-23	Intercommnunication apparatus
GB9007420D0 (en)	1990-05-30	De-shelling apparatus
GB9027920D0 (en)	1991-02-13	Apparatus
GB9011108D0 (en)	1990-07-04	Apparatus
GB9005468D0 (en)	1990-05-09	Microballistic apparatus
GB9004871D0 (en)	1990-05-02	Tie-handling apparatus
HUT58019A (en)	1992-01-28	Grain-dispersing apparatus
HU901607D0 (en)	1990-06-28	Honey - feeding apparatus

Legal Events

Date	Code	Title	Description
1999-11-17	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19990328