NL294443A - - Google Patents
Info
- Publication number
- NL294443A NL294443A NL294443DA NL294443A NL 294443 A NL294443 A NL 294443A NL 294443D A NL294443D A NL 294443DA NL 294443 A NL294443 A NL 294443A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- 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
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Circuit For Audible Band Transducer (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL294443 | 1963-06-21 | ||
| NL298464 | 1963-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL294443A true NL294443A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=26641913
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL294443D NL294443A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1963-06-21 | ||
| NL298464D NL298464A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1963-06-21 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL298464D NL298464A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1963-06-21 |
Country Status (11)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937887A (en) * | 1969-05-15 | 1976-02-10 | Ben O. Key | Acoustic power system |
| NL7308103A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-12 | 1974-12-16 | ||
| DE2420689C3 (de) * | 1974-04-29 | 1984-09-20 | Arndt 7500 Karlsruhe Klingelnberg | Verfahren und Anordnung zur Verbesserung der Eigenschaften elektrodynamischer Wandler durch Bewegungsgegenkopplung |
| DE2658528A1 (de) * | 1976-12-23 | 1978-06-29 | Siemens Ag | Vorrichtung zur galvanomagnetischen lagerueckmeldung fuer elektrodynamische antriebe |
| US4327250A (en) * | 1979-05-03 | 1982-04-27 | Electro Audio Dynamics Inc. | Dynamic speaker equalizer |
| NO172469C (no) * | 1984-01-25 | 1993-07-21 | Per Kirksaeter | Anordning for lydgjengivelsessystem |
| US4809338A (en) * | 1985-07-05 | 1989-02-28 | Harman International Industries, Incorporated | Automotive sound system |
| US4759065A (en) * | 1986-09-22 | 1988-07-19 | Harman International Industries, Incorporated | Automotive sound system |
| GB2201318B (en) * | 1987-02-12 | 1990-10-24 | Udi Group Ltd | Electromechanical transducer |
| DE3707620A1 (de) * | 1987-03-10 | 1987-10-15 | Ultrasonics Schallfeld Messtec | Beschleunigungssensor fuer dynamische lautsprecher |
| GB2260875B (en) * | 1991-10-23 | 1995-06-28 | Anthony Best Dynamics Ltd | Noise source |
| US5471527A (en) * | 1993-12-02 | 1995-11-28 | Dsc Communications Corporation | Voice enhancement system and method |
| US5493620A (en) * | 1993-12-20 | 1996-02-20 | Pulfrey; Robert E. | High fidelity sound reproducing system |
| US9084051B2 (en) * | 2011-02-18 | 2015-07-14 | The Rockefeller University | Unidirectional mechanical amplification in a microphone |
| GB202314915D0 (en) | 2023-09-28 | 2023-11-15 | Pss Belgium Nv | Loudspeaker module and system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE451710A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1942-08-14 | |||
| US2860183A (en) * | 1954-02-01 | 1958-11-11 | Conrad Ivan Willard | Sound reproducing system |
| US3009991A (en) * | 1955-12-01 | 1961-11-21 | Bekey Ivan | Sound reproduction system |
| US2948778A (en) * | 1956-05-07 | 1960-08-09 | Warner W Clements | Sound reproducing means |
-
0
- NL NL294443D patent/NL294443A/xx unknown
- NL NL298464D patent/NL298464A/xx unknown
-
1964
- 1964-05-26 US US370262A patent/US3334184A/en not_active Expired - Lifetime
- 1964-06-18 AT AT522564A patent/AT247437B/de active
- 1964-06-18 DK DK307964AA patent/DK117642B/da unknown
- 1964-06-18 DE DEP1268A patent/DE1268680B/de not_active Withdrawn
- 1964-06-18 GB GB25283/64A patent/GB1016115A/en not_active Expired
- 1964-06-18 SE SE7545/64A patent/SE301503B/xx unknown
- 1964-06-18 CH CH801164A patent/CH434372A/de unknown
- 1964-06-19 ES ES0301214A patent/ES301214A1/es not_active Expired
- 1964-06-22 BE BE649606A patent/BE649606A/xx unknown
- 1964-06-22 FR FR979165A patent/FR1401643A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT247437B (de) | 1966-06-10 |
| US3334184A (en) | 1967-08-01 |
| FR1401643A (fr) | 1965-06-04 |
| DE1268680B (de) | 1968-05-22 |
| DK117642B (da) | 1970-05-19 |
| ES301214A1 (es) | 1965-01-16 |
| SE301503B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-06-10 |
| NL298464A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| BE649606A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-12-22 |
| CH434372A (de) | 1967-04-30 |
| GB1016115A (en) | 1966-01-05 |