GB0212141D0 - Audio ground plane - Google Patents
Audio ground planeInfo
- 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
Links
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GB0214196A Withdrawn GB2381956A (en) | 2002-05-27 | 2002-06-19 | Suppression of rf interference on audio circuits |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GB0214196A Withdrawn GB2381956A (en) | 2002-05-27 | 2002-06-19 | Suppression of rf interference on audio circuits |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)
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)
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 |
-
2002
- 2002-05-27 GB GB0212141A patent/GB0212141D0/en not_active Ceased
- 2002-06-19 GB GB0214196A patent/GB2381956A/en not_active Withdrawn
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) |