IT1021359B - PERFECT ELECTROSTATIC TRANSDUCER - Google Patents
PERFECT ELECTROSTATIC TRANSDUCERInfo
- Publication number
- IT1021359B IT1021359B IT2726774A IT2726774A IT1021359B IT 1021359 B IT1021359 B IT 1021359B IT 2726774 A IT2726774 A IT 2726774A IT 2726774 A IT2726774 A IT 2726774A IT 1021359 B IT1021359 B IT 1021359B
- Authority
- IT
- Italy
- Prior art keywords
- electrostatic transducer
- perfect
- perfect electrostatic
- transducer
- electrostatic
- Prior art date
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
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4340373 | 1973-09-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1021359B true IT1021359B (en) | 1978-01-30 |
Family
ID=10428614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2726774A IT1021359B (en) | 1973-09-15 | 1974-09-13 | PERFECT ELECTROSTATIC TRANSDUCER |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5089017A (en) |
BE (1) | BE819975A (en) |
DE (1) | DE2444023A1 (en) |
DK (1) | DK484774A (en) |
FR (1) | FR2246150A1 (en) |
IT (1) | IT1021359B (en) |
NL (1) | NL7412195A (en) |
SE (1) | SE7411457L (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4429189A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with a selectively metalized backplate |
US4429191A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variably charged electret foil |
US4429190A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Continuous strip electret transducer array |
DE3232772C1 (en) * | 1982-09-03 | 1983-12-22 | Rolf Dr.-Ing. 6056 Heusenstamm Zahn | Electrostatic transducer in accordance with the electret principle |
FI116873B (en) | 1996-02-26 | 2006-03-15 | Panphonics Oy | Acoustic element and sound processing method |
US6271620B1 (en) * | 1999-05-20 | 2001-08-07 | Sen Corporation | Acoustic transducer and method of making the same |
JP5973293B2 (en) * | 2012-09-03 | 2016-08-23 | 株式会社Nbcメッシュテック | Electrostatic speaker |
-
1974
- 1974-09-11 SE SE7411457A patent/SE7411457L/ not_active Application Discontinuation
- 1974-09-13 FR FR7431002A patent/FR2246150A1/en active Granted
- 1974-09-13 NL NL7412195A patent/NL7412195A/en unknown
- 1974-09-13 IT IT2726774A patent/IT1021359B/en active
- 1974-09-14 DE DE19742444023 patent/DE2444023A1/en active Pending
- 1974-09-14 JP JP10662374A patent/JPS5089017A/ja active Pending
- 1974-09-16 BE BE148583A patent/BE819975A/en unknown
- 1974-09-16 DK DK484774A patent/DK484774A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS5089017A (en) | 1975-07-17 |
NL7412195A (en) | 1975-03-18 |
SE7411457L (en) | 1975-03-17 |
DK484774A (en) | 1975-05-12 |
DE2444023A1 (en) | 1975-03-20 |
FR2246150B3 (en) | 1977-07-01 |
FR2246150A1 (en) | 1975-04-25 |
BE819975A (en) | 1975-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7405068A (en) | ACOUSTIC TRANSDUCER | |
BR7408250D0 (en) | PERFECT MAGNETORRESISTIVE READING TRANSDUCER SET | |
IT1020145B (en) | PERFECTED TRANSDUCER | |
IT1003394B (en) | IMPROVED MAGNETIC TRANSDUCER | |
IT1007929B (en) | PRESSURE TRANSDUCER | |
IT992831B (en) | ELECTROSTATIC TRANSDUCER | |
DK150058C (en) | speaker | |
AT332919B (en) | SPEAKER | |
SE385194B (en) | ELECTROSTATIC FILTER | |
SE395777B (en) | ELECTROSTATIC COPYER | |
BE811060A (en) | COPIER | |
IT998223B (en) | ELECTROSTATIC DEDUSTISER | |
IT1003592B (en) | MICROPHONE | |
FR2289089A1 (en) | ELECTROSTATIC TRANSDUCER | |
IT1015633B (en) | SPEAKER | |
BE820781A (en) | DEKSELS VOOR HOUDERS | |
DK146119C (en) | vibration | |
IT1021359B (en) | PERFECT ELECTROSTATIC TRANSDUCER | |
NO139145C (en) | ELECTROPHOTOGRAPHIC COPYER | |
BE812477A (en) | INSPEKTIEPUT VOOR RIOLERINGSSYSTEMEN | |
ATA870074A (en) | SOUND PROJECTOR | |
IT1022272B (en) | ELECTROFLUIDIC TRANSDUCER | |
BE809386A (en) | KUNSTSTOFZAK MET HARMONICAVOUWEN | |
BE810880A (en) | COMPACT HOOGSPANNINGSVOEDING VOOR CORONAONTLADING | |
BE806997A (en) | ELECTROSTATIC COPIER |