GB0212141D0 - Audio ground plane - Google Patents

Audio ground plane

Info

Publication number
GB0212141D0
GB0212141D0 GB0212141A GB0212141A GB0212141D0 GB 0212141 D0 GB0212141 D0 GB 0212141D0 GB 0212141 A GB0212141 A GB 0212141A GB 0212141 A GB0212141 A GB 0212141A GB 0212141 D0 GB0212141 D0 GB 0212141D0
Authority
GB
United Kingdom
Prior art keywords
ground plane
audio ground
audio
plane
ground
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.)
Ceased
Application number
GB0212141A
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.)
Sendo International Ltd
Original Assignee
Sendo International 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
Application filed by Sendo International Ltd filed Critical Sendo International Ltd
Priority to GB0212141A priority Critical patent/GB0212141D0/en
Priority to GB0214196A priority patent/GB2381956A/en
Publication of GB0212141D0 publication Critical patent/GB0212141D0/en
Ceased legal-status Critical Current

Links

GB0212141A 2002-05-27 2002-05-27 Audio ground plane Ceased GB0212141D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0212141A GB0212141D0 (en) 2002-05-27 2002-05-27 Audio ground plane
GB0214196A GB2381956A (en) 2002-05-27 2002-06-19 Suppression of rf interference on audio circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0212141A GB0212141D0 (en) 2002-05-27 2002-05-27 Audio ground plane

Publications (1)

Publication Number Publication Date
GB0212141D0 true GB0212141D0 (en) 2002-07-03

Family

ID=9937470

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0212141A Ceased GB0212141D0 (en) 2002-05-27 2002-05-27 Audio ground plane
GB0214196A Withdrawn GB2381956A (en) 2002-05-27 2002-06-19 Suppression of rf interference on audio circuits

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0214196A Withdrawn GB2381956A (en) 2002-05-27 2002-06-19 Suppression of rf interference on audio circuits

Country Status (1)

Country Link
GB (2) GB0212141D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7328047B2 (en) 2004-08-31 2008-02-05 Research In Motion Limited Mobile wireless communications device with reduced interfering energy from the display and related methods
US7353041B2 (en) 2005-04-04 2008-04-01 Reseach In Motion Limited Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic interference (EMI)
ATE557575T1 (en) * 2005-04-04 2012-05-15 Research In Motion Ltd MOBILE WIRELESS COMMUNICATION TERMINAL WITH IMPROVED RADIO FREQUENCY INTERFERENCE IMMUNITY IN AUDIO CONVERTERS AGAINST ELECTROMAGNETIC INTERFERENCE.
US7310067B1 (en) 2006-05-23 2007-12-18 Research In Motion Limited Mobile wireless communications device with reduced interfering RF energy into RF metal shield secured on circuit board
CN101645541B (en) * 2009-05-27 2011-12-07 青岛海信电器股份有限公司 Lapped circuit and lapping method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03241790A (en) * 1990-02-20 1991-10-28 Hitachi Maxell Ltd Multilayer circuit substrate
US5475606A (en) * 1993-03-05 1995-12-12 International Business Machines Corporation Faraday cage for a printed circuit card
DE19516918A1 (en) * 1995-05-09 1996-11-14 Bosch Gmbh Robert Control device, in particular for controlling functions of a motor vehicle
US5771441A (en) * 1996-04-10 1998-06-23 Altstatt; John E. Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver
EP0827282B1 (en) * 1996-08-29 2004-12-22 Micronas GmbH Connection configuration for reducing noise radiation in an integrated circuit
JP2000183533A (en) * 1998-12-17 2000-06-30 Mitsubishi Electric Corp Low-emi multilayer circuit board and electric and electronic device
US6906411B1 (en) * 2000-06-29 2005-06-14 Mitsubishi Denki Kabushiki Kaisha Multilayer substrate module and portable wireless terminal

Also Published As

Publication number Publication date
GB2381956A (en) 2003-05-14
GB0214196D0 (en) 2002-07-31

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)