NL294600A - - Google Patents
Info
- Publication number
- NL294600A NL294600A NL294600DA NL294600A NL 294600 A NL294600 A NL 294600A NL 294600D A NL294600D A NL 294600DA NL 294600 A NL294600 A NL 294600A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL294600 | 1963-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL294600A true NL294600A (en) |
Family
ID=19754819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL294600D NL294600A (en) | 1963-06-26 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT246228B (en) |
| CH (1) | CH433450A (en) |
| DE (1) | DE1270614B (en) |
| DK (1) | DK109209C (en) |
| ES (1) | ES301362A1 (en) |
| GB (1) | GB1031145A (en) |
| NL (1) | NL294600A (en) |
| SE (1) | SE302149B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889060A (en) * | 1972-09-11 | 1975-06-10 | Matsushita Electric Ind Co Ltd | Feedback amplifier distortion-cancelling circuit |
| DE2420689C3 (en) * | 1974-04-29 | 1984-09-20 | Arndt 7500 Karlsruhe Klingelnberg | Method and arrangement for improving the properties of electrodynamic transducers by means of negative motion |
| DE3429147A1 (en) * | 1984-08-08 | 1986-02-20 | Friedrich 6650 Homburg Müller | ARRANGEMENT FOR ACOUSTIC COUPLING OF SPEAKERS |
| GB2187607B (en) * | 1986-03-05 | 1990-03-21 | Malcolm John Hawksford | Apparatus and methods for driving loupspeaker systems |
| GB2196815B (en) * | 1986-09-25 | 1989-01-11 | David Robin Birt | Motional feedback system for loudspeakers |
| GB2201318B (en) * | 1987-02-12 | 1990-10-24 | Udi Group Ltd | Electromechanical transducer |
| DE4111884A1 (en) * | 1991-04-09 | 1992-10-15 | Klippel Wolfgang | CIRCUIT ARRANGEMENT FOR CORRECTING THE LINEAR AND NON-LINEAR TRANSMISSION BEHAVIOR OF ELECTROACOUSTIC TRANSDUCERS |
| FI114079B (en) * | 1999-05-07 | 2004-07-30 | Nokia Corp | Piezoelectric audio device and method of sound production |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE451710A (en) * | 1942-08-14 | |||
| DE853298C (en) * | 1950-08-01 | 1952-10-23 | Bernhard Philberth | Feedback dynamic loudspeaker |
| US2860183A (en) * | 1954-02-01 | 1958-11-11 | Conrad Ivan Willard | Sound reproducing system |
-
0
- NL NL294600D patent/NL294600A/xx unknown
-
1964
- 1964-06-23 CH CH822964A patent/CH433450A/en unknown
- 1964-06-23 DK DK315564A patent/DK109209C/en active
- 1964-06-23 DE DE19641270614 patent/DE1270614B/en active Pending
- 1964-06-23 GB GB2589664A patent/GB1031145A/en not_active Expired
- 1964-06-23 AT AT538164A patent/AT246228B/en active
- 1964-06-24 SE SE769264A patent/SE302149B/xx unknown
- 1964-06-24 ES ES301362A patent/ES301362A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK109209C (en) | 1968-04-01 |
| DE1270614B (en) | 1968-06-20 |
| CH433450A (en) | 1967-04-15 |
| GB1031145A (en) | 1966-05-25 |
| AT246228B (en) | 1966-04-12 |
| ES301362A1 (en) | 1964-11-16 |
| SE302149B (en) | 1968-07-08 |