IT1079807B - IMPROVEMENT IN ACTIVE FILTERS, IN PARTICULAR FOR MUSICAL INSTRUMENTS - Google Patents
IMPROVEMENT IN ACTIVE FILTERS, IN PARTICULAR FOR MUSICAL INSTRUMENTSInfo
- Publication number
- IT1079807B IT1079807B IT5060177A IT5060177A IT1079807B IT 1079807 B IT1079807 B IT 1079807B IT 5060177 A IT5060177 A IT 5060177A IT 5060177 A IT5060177 A IT 5060177A IT 1079807 B IT1079807 B IT 1079807B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- musical instruments
- active filters
- filters
- active
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Networks Using Active Elements (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72473076A | 1976-09-20 | 1976-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1079807B true IT1079807B (en) | 1985-05-13 |
Family
ID=24911668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5060177A IT1079807B (en) | 1976-09-20 | 1977-08-08 | IMPROVEMENT IN ACTIVE FILTERS, IN PARTICULAR FOR MUSICAL INSTRUMENTS |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5338948A (en) |
DE (1) | DE2736887A1 (en) |
IT (1) | IT1079807B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007097361A (en) * | 2005-09-30 | 2007-04-12 | Matsushita Electric Ind Co Ltd | Step-up/down converter |
-
1977
- 1977-08-08 IT IT5060177A patent/IT1079807B/en active
- 1977-08-16 DE DE19772736887 patent/DE2736887A1/en active Pending
- 1977-08-26 JP JP10180477A patent/JPS5338948A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2736887A1 (en) | 1978-03-23 |
JPS5338948A (en) | 1978-04-10 |
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