GB1334347A - Electrostatic transducer - Google Patents
Electrostatic transducerInfo
- Publication number
- GB1334347A GB1334347A GB2738772A GB2738772A GB1334347A GB 1334347 A GB1334347 A GB 1334347A GB 2738772 A GB2738772 A GB 2738772A GB 2738772 A GB2738772 A GB 2738772A GB 1334347 A GB1334347 A GB 1334347A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame
- diaphragm
- transducer
- film
- earphones
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002184 metal Substances 0.000 abstract 4
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 239000006260 foam Substances 0.000 abstract 3
- 125000006850 spacer group Chemical group 0.000 abstract 3
- 239000004033 plastic Substances 0.000 abstract 2
- 229920003023 plastic Polymers 0.000 abstract 2
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 229920001821 foam rubber Polymers 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- 229920006267 polyester film Polymers 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000002966 varnish Substances 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17312871A | 1971-08-19 | 1971-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1334347A true GB1334347A (en) | 1973-10-17 |
Family
ID=22630656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2738772A Expired GB1334347A (en) | 1971-08-19 | 1972-06-12 | Electrostatic transducer |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4830417A (enrdf_load_stackoverflow) |
| BE (1) | BE787716A (enrdf_load_stackoverflow) |
| CA (1) | CA982686A (enrdf_load_stackoverflow) |
| CH (1) | CH566697A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2236219A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2149371B3 (enrdf_load_stackoverflow) |
| GB (1) | GB1334347A (enrdf_load_stackoverflow) |
| IT (1) | IT961893B (enrdf_load_stackoverflow) |
| NL (1) | NL7210334A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50137129A (enrdf_load_stackoverflow) * | 1974-04-17 | 1975-10-31 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5132529U (enrdf_load_stackoverflow) * | 1974-08-31 | 1976-03-10 | ||
| NL7512512A (nl) * | 1975-10-27 | 1977-04-29 | Bernardus Gradus Peters | Werkwijze en inrichting voor het vervaardigen van een elektrostatische luidspreker. |
| JPS53132330A (en) * | 1977-04-22 | 1978-11-18 | Guradousu Peetaas Berunaadousu | Electrostatic loudspeaker |
| US4105877A (en) * | 1977-04-25 | 1978-08-08 | Peters Bernardus Gradus | Electrostatic loudspeaker having elastic diaphragm spacer elements cured in situ |
| DE2836937B2 (de) * | 1977-08-31 | 1981-06-25 | AKG Akustische u. Kino-Geräte GmbH, Wien | Kopfhörer |
| JPS552863A (en) * | 1979-01-26 | 1980-01-10 | Tlv Co Ltd | Disc type steam trap |
| US4533794A (en) * | 1983-05-23 | 1985-08-06 | Beveridge Harold N | Electrode for electrostatic transducer |
| JPH0329675Y2 (enrdf_load_stackoverflow) * | 1985-04-15 | 1991-06-24 | ||
| JP2764225B2 (ja) * | 1990-12-14 | 1998-06-11 | 株式会社テイエルブイ | ディスク式スチ―ムトラップ |
-
1972
- 1972-06-08 JP JP5654172A patent/JPS4830417A/ja active Pending
- 1972-06-12 GB GB2738772A patent/GB1334347A/en not_active Expired
- 1972-07-19 CA CA147,495A patent/CA982686A/en not_active Expired
- 1972-07-24 DE DE19722236219 patent/DE2236219A1/de active Pending
- 1972-07-27 NL NL7210334A patent/NL7210334A/xx not_active Application Discontinuation
- 1972-08-05 IT IT5202172A patent/IT961893B/it active
- 1972-08-07 FR FR7228427A patent/FR2149371B3/fr not_active Expired
- 1972-08-18 BE BE787716A patent/BE787716A/xx unknown
- 1972-08-18 CH CH1231472A patent/CH566697A5/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50137129A (enrdf_load_stackoverflow) * | 1974-04-17 | 1975-10-31 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2149371B3 (enrdf_load_stackoverflow) | 1975-10-03 |
| JPS4830417A (enrdf_load_stackoverflow) | 1973-04-21 |
| IT961893B (it) | 1973-12-10 |
| DE2236219A1 (de) | 1973-04-19 |
| FR2149371A1 (enrdf_load_stackoverflow) | 1973-03-30 |
| BE787716A (fr) | 1972-12-18 |
| CH566697A5 (enrdf_load_stackoverflow) | 1975-09-15 |
| CA982686A (en) | 1976-01-27 |
| NL7210334A (enrdf_load_stackoverflow) | 1973-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |