NL7908511A - Elektrostatische luidspreker. - Google Patents
Elektrostatische luidspreker. Download PDFInfo
- Publication number
- NL7908511A NL7908511A NL7908511A NL7908511A NL7908511A NL 7908511 A NL7908511 A NL 7908511A NL 7908511 A NL7908511 A NL 7908511A NL 7908511 A NL7908511 A NL 7908511A NL 7908511 A NL7908511 A NL 7908511A
- Authority
- NL
- Netherlands
- Prior art keywords
- loudspeaker
- flexible sheet
- thin metal
- thickness
- membrane
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 239000012528 membrane Substances 0.000 claims description 22
- 239000011888 foil Substances 0.000 claims description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 12
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- -1 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 14
- 230000035699 permeability Effects 0.000 description 13
- 239000004743 Polypropylene Substances 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000002120 nanofilm Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 229920002302 Nylon 6,6 Polymers 0.000 description 5
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 4
- 239000005033 polyvinylidene chloride Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14683678 | 1978-11-28 | ||
| JP14683678A JPS5573200A (en) | 1978-11-28 | 1978-11-28 | Capacitor-type speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7908511A true NL7908511A (nl) | 1980-05-30 |
Family
ID=15416616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7908511A NL7908511A (nl) | 1978-11-28 | 1979-11-22 | Elektrostatische luidspreker. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5573200A (enrdf_load_stackoverflow) |
| CA (1) | CA1149928A (enrdf_load_stackoverflow) |
| DE (1) | DE2947973A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2443181B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2037537B (enrdf_load_stackoverflow) |
| NL (1) | NL7908511A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993001691A1 (en) * | 1991-07-11 | 1993-01-21 | Driver Michael L | Electrolytic loudspeaker assembly |
| FR2683969B1 (fr) * | 1991-11-15 | 1997-06-20 | Thomson Csf | Membrane d'etancheite pour dispositif immerge, notamment pour dispositif acoustique sous-marin, et dispositif comprenant une telle membrane. |
| JP3281887B2 (ja) * | 1993-07-30 | 2002-05-13 | ソニー株式会社 | 静電容量型スピーカー用振動板 |
| SE9401761D0 (sv) * | 1994-05-19 | 1994-05-19 | Lars Staahl | Högpresterande skal/membran |
| DE102007014577A1 (de) | 2007-03-23 | 2008-09-25 | Sennheiser Electronic Gmbh & Co. Kg | Kapazitiver Aufnahmewandler und Mikrofon |
| CN102300144B (zh) * | 2010-06-22 | 2015-07-29 | 宏达国际电子股份有限公司 | 电容式电声转换系统及其电容式电声转换器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB422299A (en) * | 1933-11-03 | 1935-01-09 | Gen Electric Co Ltd | Improvements in apparatus such as loud speakers for converting electrical oscillations into mechanical oscillations |
| GB838024A (en) * | 1956-10-11 | 1960-06-22 | Pye Ltd | Improvements in electrostatic loudspeakers |
| CA866963A (en) * | 1969-12-08 | 1971-03-23 | Dayton Wright Associates Limited | Audio system including electrostatic loudspeaker |
| US3778562A (en) * | 1973-10-21 | 1973-12-11 | Dayton Wright Ass Ltd | Electrostatic loudspeaker having acoustic wavefront modifying device |
| CA1025994A (en) * | 1975-07-08 | 1978-02-07 | Uniroyal Ltd. | Electromechanical transducer |
-
1978
- 1978-11-28 JP JP14683678A patent/JPS5573200A/ja active Granted
-
1979
- 1979-11-21 CA CA000340338A patent/CA1149928A/en not_active Expired
- 1979-11-22 NL NL7908511A patent/NL7908511A/nl not_active Application Discontinuation
- 1979-11-23 GB GB7940535A patent/GB2037537B/en not_active Expired
- 1979-11-28 FR FR7929325A patent/FR2443181B1/fr not_active Expired
- 1979-11-28 DE DE19792947973 patent/DE2947973A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5573200A (en) | 1980-06-02 |
| GB2037537A (en) | 1980-07-09 |
| DE2947973A1 (de) | 1980-06-04 |
| FR2443181A1 (fr) | 1980-06-27 |
| JPS6117440B2 (enrdf_load_stackoverflow) | 1986-05-07 |
| GB2037537B (en) | 1983-05-05 |
| FR2443181B1 (fr) | 1986-05-09 |
| CA1149928A (en) | 1983-07-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |