CA2019540C - Ribbon transducers - Google Patents
Ribbon transducersInfo
- Publication number
- CA2019540C CA2019540C CA002019540A CA2019540A CA2019540C CA 2019540 C CA2019540 C CA 2019540C CA 002019540 A CA002019540 A CA 002019540A CA 2019540 A CA2019540 A CA 2019540A CA 2019540 C CA2019540 C CA 2019540C
- Authority
- CA
- Canada
- Prior art keywords
- ribbon
- cross
- suspension
- suspension elements
- transducer according
- 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 - Fee Related
Links
- 239000000725 suspension Substances 0.000 claims abstract description 26
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
- H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type
Landscapes
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
- Glass Compositions (AREA)
- Surgical Instruments (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Dry Shavers And Clippers (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8914241.8 | 1989-06-21 | ||
| GB898914241A GB8914241D0 (en) | 1989-06-21 | 1989-06-21 | Ribbon transducers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2019540A1 CA2019540A1 (en) | 1990-12-21 |
| CA2019540C true CA2019540C (en) | 1995-07-18 |
Family
ID=10658810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002019540A Expired - Fee Related CA2019540C (en) | 1989-06-21 | 1990-06-21 | Ribbon transducers |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0404488B1 (de) |
| JP (1) | JP2523949B2 (de) |
| AT (1) | ATE110514T1 (de) |
| CA (1) | CA2019540C (de) |
| DE (1) | DE69011763T2 (de) |
| DK (1) | DK0404488T3 (de) |
| ES (1) | ES2062370T3 (de) |
| GB (1) | GB8914241D0 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB793261A (en) * | 1955-06-13 | 1958-04-16 | Reslosound Ltd | Improvements in and relating to electromechanical transducers |
| US4317966A (en) * | 1980-02-19 | 1982-03-02 | Lister Clive R B | Vibratory ribbon speaker |
| US4580014A (en) * | 1983-06-21 | 1986-04-01 | Hobrough Theodore B | Means for controlling ribbon edge clearance in a ribbon loudspeaker |
-
1989
- 1989-06-21 GB GB898914241A patent/GB8914241D0/en active Pending
-
1990
- 1990-06-18 ES ES90306630T patent/ES2062370T3/es not_active Expired - Lifetime
- 1990-06-18 DE DE69011763T patent/DE69011763T2/de not_active Expired - Fee Related
- 1990-06-18 DK DK90306630.6T patent/DK0404488T3/da active
- 1990-06-18 EP EP90306630A patent/EP0404488B1/de not_active Expired - Lifetime
- 1990-06-18 AT AT90306630T patent/ATE110514T1/de not_active IP Right Cessation
- 1990-06-21 JP JP2161462A patent/JP2523949B2/ja not_active Expired - Lifetime
- 1990-06-21 CA CA002019540A patent/CA2019540C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0404488A3 (de) | 1992-04-15 |
| EP0404488A2 (de) | 1990-12-27 |
| DK0404488T3 (da) | 1995-01-16 |
| DE69011763T2 (de) | 1995-03-16 |
| CA2019540A1 (en) | 1990-12-21 |
| JPH03129999A (ja) | 1991-06-03 |
| ATE110514T1 (de) | 1994-09-15 |
| GB8914241D0 (en) | 1989-08-09 |
| EP0404488B1 (de) | 1994-08-24 |
| ES2062370T3 (es) | 1994-12-16 |
| DE69011763D1 (de) | 1994-09-29 |
| JP2523949B2 (ja) | 1996-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |