GB8806434D0 - Current-driving amplifiers - Google Patents
Current-driving amplifiersInfo
- Publication number
- GB8806434D0 GB8806434D0 GB888806434A GB8806434A GB8806434D0 GB 8806434 D0 GB8806434 D0 GB 8806434D0 GB 888806434 A GB888806434 A GB 888806434A GB 8806434 A GB8806434 A GB 8806434A GB 8806434 D0 GB8806434 D0 GB 8806434D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- current
- driving amplifiers
- amplifiers
- driving
- 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.)
- Pending
Links
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888806434A GB8806434D0 (en) | 1988-03-18 | 1988-03-18 | Current-driving amplifiers |
PCT/GB1989/000288 WO1989008970A1 (en) | 1988-03-18 | 1989-03-17 | Induction loop driving amplifiers |
AU32998/89A AU3299889A (en) | 1988-03-18 | 1989-03-17 | Induction loop driving amplifiers |
GB8906162A GB2218594B (en) | 1988-03-18 | 1989-03-17 | Induction loop driving amplifiers |
DK224890A DK224890A (en) | 1988-03-18 | 1990-09-18 | DRIVER AMPLIFIER FOR INDUCTION CIRCUIT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888806434A GB8806434D0 (en) | 1988-03-18 | 1988-03-18 | Current-driving amplifiers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8806434D0 true GB8806434D0 (en) | 1988-04-20 |
Family
ID=10633655
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB888806434A Pending GB8806434D0 (en) | 1988-03-18 | 1988-03-18 | Current-driving amplifiers |
GB8906162A Expired - Lifetime GB2218594B (en) | 1988-03-18 | 1989-03-17 | Induction loop driving amplifiers |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8906162A Expired - Lifetime GB2218594B (en) | 1988-03-18 | 1989-03-17 | Induction loop driving amplifiers |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU3299889A (en) |
DK (1) | DK224890A (en) |
GB (2) | GB8806434D0 (en) |
WO (1) | WO1989008970A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060113925A (en) * | 2003-10-14 | 2006-11-03 | 아우디오아시스 에이/에스 | Microphone preamplifier |
FI125489B (en) * | 2014-01-03 | 2015-10-30 | Telesilmukka Oy | Controller for induction loop system |
GB2526630B (en) * | 2014-05-30 | 2016-05-04 | Contacta Systems Ltd | Amplifier for induction loop |
GB2543364B (en) * | 2015-10-16 | 2018-06-27 | Contacta Systems Ltd | Induction loop circuit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3621151A (en) * | 1969-10-15 | 1971-11-16 | Grt Corp | Frequency selective audio limiter |
US3668322A (en) * | 1970-06-18 | 1972-06-06 | Columbia Broadcasting Syst Inc | Dynamic presence equalizer |
US4287477A (en) * | 1979-02-22 | 1981-09-01 | Dynamic Compliance, Incorporated | Feedback arrangement |
DK153350B (en) * | 1981-10-20 | 1988-07-04 | Craigwell Ind Ltd | Hearing aid |
DE3415319A1 (en) * | 1984-04-25 | 1985-10-31 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Alternating-voltage amplifier |
GB2184629B (en) * | 1985-12-10 | 1989-11-08 | Colin David Rickson | Compensation of hearing |
US4792977A (en) * | 1986-03-12 | 1988-12-20 | Beltone Electronics Corporation | Hearing aid circuit |
-
1988
- 1988-03-18 GB GB888806434A patent/GB8806434D0/en active Pending
-
1989
- 1989-03-17 WO PCT/GB1989/000288 patent/WO1989008970A1/en unknown
- 1989-03-17 GB GB8906162A patent/GB2218594B/en not_active Expired - Lifetime
- 1989-03-17 AU AU32998/89A patent/AU3299889A/en not_active Abandoned
-
1990
- 1990-09-18 DK DK224890A patent/DK224890A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK224890D0 (en) | 1990-09-18 |
GB2218594B (en) | 1992-08-26 |
WO1989008970A1 (en) | 1989-09-21 |
GB2218594A (en) | 1989-11-15 |
DK224890A (en) | 1990-09-18 |
AU3299889A (en) | 1989-10-05 |
GB8906162D0 (en) | 1989-05-04 |
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