DD118216A5 - - Google Patents
Info
- Publication number
- DD118216A5 DD118216A5 DD185862A DD18586275A DD118216A5 DD 118216 A5 DD118216 A5 DD 118216A5 DD 185862 A DD185862 A DD 185862A DD 18586275 A DD18586275 A DD 18586275A DD 118216 A5 DD118216 A5 DD 118216A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Signal Processing (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUEE2241A HU169185B (da) | 1974-06-05 | 1974-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD118216A5 true DD118216A5 (da) | 1976-02-12 |
Family
ID=10995558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD185862A DD118216A5 (da) | 1974-06-05 | 1975-05-06 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4039753A (da) |
| AT (1) | ATA316575A (da) |
| BG (1) | BG27105A3 (da) |
| CA (1) | CA1027487A (da) |
| CS (1) | CS191931B2 (da) |
| DD (1) | DD118216A5 (da) |
| DE (1) | DE2518840C2 (da) |
| DK (1) | DK246475A (da) |
| FR (1) | FR2274193A1 (da) |
| GB (1) | GB1510691A (da) |
| HU (1) | HU169185B (da) |
| PL (1) | PL95268B1 (da) |
| SE (1) | SE401590B (da) |
| SU (1) | SU673209A3 (da) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2659028C3 (de) * | 1976-12-27 | 1979-05-31 | Dasy Inter S.A., Genf (Schweiz) | Schaltungsanordnung zum Verhindern von Rückkopplungen |
| DE2738339A1 (de) * | 1977-08-25 | 1979-03-01 | Bosch Gmbh Robert | Hoergeraeteverstaerker |
| US4449237A (en) * | 1982-04-14 | 1984-05-15 | Cincinnati Electronics Corporation | Audio feedback suppressor |
| DD242954A3 (de) * | 1983-12-14 | 1987-02-18 | Deutsche Post Rfz | Grossraumbeschallungssystem |
| DE3526591A1 (de) * | 1985-07-25 | 1987-01-29 | Schmidt Enzmann Dirk | Verfahren zur unterdrueckung der rueckkopplung in elektroakustischen anlagen |
| JPH0761190B2 (ja) * | 1990-01-16 | 1995-06-28 | パイオニア株式会社 | ハウリング防止機能を備えた音響装置 |
| KR100378449B1 (ko) * | 1994-04-12 | 2003-06-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 개선된에코제거기를갖는신호증폭기시스템 |
| DE19517469A1 (de) * | 1995-05-12 | 1996-11-14 | Sel Alcatel Ag | Freisprechverfahren für ein mehrkanaliges Übertragungssystem |
| US6542611B1 (en) | 1998-07-31 | 2003-04-01 | Circuit Research Labs, Inc. | Multi-state echo suppressor |
| ATE324072T1 (de) * | 1998-12-30 | 2006-05-15 | Ethicon Inc | Fadensicherungsgerät |
| US7153312B1 (en) | 1999-12-02 | 2006-12-26 | Smith & Nephew Inc. | Closure device and method for tissue repair |
| US7887551B2 (en) | 1999-12-02 | 2011-02-15 | Smith & Nephew, Inc. | Soft tissue attachment and repair |
| US20020176588A1 (en) * | 2001-05-22 | 2002-11-28 | Shinji Seto | Oscillation prevention circuit |
| US9314235B2 (en) | 2003-02-05 | 2016-04-19 | Smith & Nephew, Inc. | Tissue anchor and insertion tool |
| US20060293709A1 (en) | 2005-06-24 | 2006-12-28 | Bojarski Raymond A | Tissue repair device |
| US8295475B2 (en) * | 2006-01-13 | 2012-10-23 | Microsoft Corporation | Selective glitch detection, clock drift compensation, and anti-clipping in audio echo cancellation |
| US7773743B2 (en) * | 2006-04-28 | 2010-08-10 | Microsoft Corporation | Integration of a microphone array with acoustic echo cancellation and residual echo suppression |
| US7831035B2 (en) * | 2006-04-28 | 2010-11-09 | Microsoft Corporation | Integration of a microphone array with acoustic echo cancellation and center clipping |
| US8380253B2 (en) * | 2008-02-15 | 2013-02-19 | Microsoft Corporation | Voice switching for voice communication on computers |
| US8369251B2 (en) * | 2008-06-20 | 2013-02-05 | Microsoft Corporation | Timestamp quality assessment for assuring acoustic echo canceller operability |
| DE102010044917B4 (de) * | 2010-09-09 | 2015-01-08 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Verfahren zur Vermeidung akustischer Rückkopplungen |
| US9368101B1 (en) * | 2012-10-19 | 2016-06-14 | Meyer Sound Laboratories, Incorporated | Dynamic acoustic control system and method for hospitality spaces |
| US11120816B2 (en) * | 2015-02-01 | 2021-09-14 | Board Of Regents, The University Of Texas System | Natural ear |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1083873B (de) * | 1958-10-29 | 1960-06-23 | Telefonbau | Verfahren zur Verminderung der Aufschwingfaehigkeit rueckkopplungsfaehiger Systeme fuer Hoerfrequenzen |
| US3154644A (en) * | 1959-11-18 | 1964-10-27 | Philips Corp | Artificial acoustic reverberation with feedback and means for preventing sound discontinuittes |
| US3257510A (en) * | 1962-10-15 | 1966-06-21 | Industrial Res Prod Inc | Feedback control apparatus |
| US3429999A (en) * | 1966-09-06 | 1969-02-25 | Collins Radio Co | Circuit for preventing singing in audio systems |
| US3749837A (en) * | 1972-05-02 | 1973-07-31 | J Doughty | Electronic musical tone modifier for musical instruments |
| US3842204A (en) * | 1972-08-16 | 1974-10-15 | D Leslie | Pulsato generation system |
| DE2249257A1 (de) * | 1972-10-07 | 1974-04-11 | Itt Ind Gmbh Deutsche | Verfahren zum aendern der frequenzen eines nachrichtensignals |
-
1974
- 1974-06-05 HU HUEE2241A patent/HU169185B/hu not_active IP Right Cessation
-
1975
- 1975-04-24 SE SE7504797A patent/SE401590B/xx not_active IP Right Cessation
- 1975-04-24 AT AT753165A patent/ATA316575A/de not_active Application Discontinuation
- 1975-04-25 GB GB17319/75A patent/GB1510691A/en not_active Expired
- 1975-04-28 DE DE2518840A patent/DE2518840C2/de not_active Expired
- 1975-04-28 CA CA225,640A patent/CA1027487A/en not_active Expired
- 1975-05-02 US US05/573,989 patent/US4039753A/en not_active Expired - Lifetime
- 1975-05-06 DD DD185862A patent/DD118216A5/xx unknown
- 1975-05-20 BG BG030030A patent/BG27105A3/xx unknown
- 1975-05-30 FR FR7517024A patent/FR2274193A1/fr active Granted
- 1975-06-02 DK DK246475A patent/DK246475A/da not_active Application Discontinuation
- 1975-06-02 CS CS753827A patent/CS191931B2/cs unknown
- 1975-06-04 SU SU752147969A patent/SU673209A3/ru active
- 1975-06-04 PL PL1975180900A patent/PL95268B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2518840A1 (de) | 1976-01-02 |
| FR2274193B1 (da) | 1981-08-07 |
| SU673209A3 (ru) | 1979-07-05 |
| PL95268B1 (pl) | 1977-10-31 |
| GB1510691A (en) | 1978-05-10 |
| CA1027487A (en) | 1978-03-07 |
| SE7504797L (sv) | 1975-12-08 |
| DK246475A (da) | 1975-12-06 |
| HU169185B (da) | 1976-10-28 |
| DE2518840C2 (de) | 1985-08-22 |
| US4039753A (en) | 1977-08-02 |
| CS191931B2 (en) | 1979-07-31 |
| SE401590B (sv) | 1978-05-16 |
| ATA316575A (de) | 1976-09-15 |
| BG27105A3 (bg) | 1979-08-15 |
| FR2274193A1 (fr) | 1976-01-02 |