GB717148A - Diaphragms for loud speakers - Google Patents
Diaphragms for loud speakersInfo
- Publication number
- GB717148A GB717148A GB8021/52A GB802152A GB717148A GB 717148 A GB717148 A GB 717148A GB 8021/52 A GB8021/52 A GB 8021/52A GB 802152 A GB802152 A GB 802152A GB 717148 A GB717148 A GB 717148A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- lacquer
- foam
- foamed
- skins
- 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
- 239000004922 lacquer Substances 0.000 abstract 5
- 239000003795 chemical substances by application Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000010445 mica Substances 0.000 abstract 2
- 229910052618 mica group Inorganic materials 0.000 abstract 2
- 229920003002 synthetic resin Polymers 0.000 abstract 2
- 239000000057 synthetic resin Substances 0.000 abstract 2
- 229910052580 B4C Inorganic materials 0.000 abstract 1
- 239000004793 Polystyrene Substances 0.000 abstract 1
- 229920001807 Urea-formaldehyde Polymers 0.000 abstract 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 abstract 1
- 239000003830 anthracite Substances 0.000 abstract 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000001413 cellular effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 229920001568 phenolic resin Polymers 0.000 abstract 1
- 229920000193 polymethacrylate Polymers 0.000 abstract 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 229920002223 polystyrene Polymers 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/085—Welding transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Arc Welding Control (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE717148X | 1951-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB717148A true GB717148A (en) | 1954-10-20 |
Family
ID=6626620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8021/52A Expired GB717148A (en) | 1951-04-09 | 1952-03-28 | Diaphragms for loud speakers |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE510411A (enrdf_load_html_response) |
| CH (1) | CH328490A (enrdf_load_html_response) |
| DE (1) | DE886798C (enrdf_load_html_response) |
| FR (1) | FR1059899A (enrdf_load_html_response) |
| GB (1) | GB717148A (enrdf_load_html_response) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE960123C (de) * | 1951-04-18 | 1957-04-04 | Siemens Ag | Einrichtung zur Stromregelung bei Lichtbogen-Schweisstransformatoren |
| US2905260A (en) * | 1955-02-24 | 1959-09-22 | Muter Company | Loud speaker diaphragm |
| US3111187A (en) * | 1959-11-23 | 1963-11-19 | H J Leak & Company Ltd | Diaphragm for electro acoustic transducer |
| US3164221A (en) * | 1961-06-06 | 1965-01-05 | Rosen Alfred H | Low frequency loudspeaker system |
-
0
- DE DENDAT886798D patent/DE886798C/de not_active Expired
- BE BE510411D patent/BE510411A/xx unknown
-
1952
- 1952-03-28 GB GB8021/52A patent/GB717148A/en not_active Expired
- 1952-04-01 FR FR1059899D patent/FR1059899A/fr not_active Expired
-
1953
- 1953-11-04 CH CH328490D patent/CH328490A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1059899A (fr) | 1954-03-29 |
| BE510411A (enrdf_load_html_response) | |
| CH328490A (de) | 1958-03-15 |
| DE886798C (de) | 1953-07-02 |
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