GB666204A - Lighting fitting combined with loud-speaker - Google Patents
Lighting fitting combined with loud-speakerInfo
- Publication number
- GB666204A GB666204A GB20698/47A GB2069847A GB666204A GB 666204 A GB666204 A GB 666204A GB 20698/47 A GB20698/47 A GB 20698/47A GB 2069847 A GB2069847 A GB 2069847A GB 666204 A GB666204 A GB 666204A
- Authority
- GB
- United Kingdom
- Prior art keywords
- speaker
- lamp
- sound
- baffle
- july
- 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
- 239000012528 membrane Substances 0.000 abstract 3
- 239000010425 asbestos Substances 0.000 abstract 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 2
- 229910052895 riebeckite Inorganic materials 0.000 abstract 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract 1
- 240000007182 Ochroma pyramidale Species 0.000 abstract 1
- 229920005372 Plexiglas® Polymers 0.000 abstract 1
- 239000011491 glass wool Substances 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 210000002268 wool Anatomy 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
- F21V33/0056—Audio equipment, e.g. music instruments, radios or speakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
666,204. Sound reflectors. PETEL, L. L. L. July 30, 1947. [July 30, 1946; July 11, 1947] Nos. 20698/47 and 20699/47. Class 13. [Also in Groups XI, XXXIX and XL (c)] A loudspeaker, Fig. 1, mounted on the top of the casing 13 of a wireless set 4 supported by a lamp pedestal 1 is concealed by a shell 14 lined with asbestos wool and apertured at 20 for the downward emission of sound, and a cone 17 resiliently suspended above the speaker and containing a lamp directs light upwardly and deflects horizontally sound emitted through a central aperture 16 in a polished transparent baffle 15 of "Plexiglass" (Registered Trade Mark) supported above the speaker. In the loudspeaker and lamp combination shown in Fig. 9 and adapted to be mounted on a lamp pedestal the speaker is enclosed in a sound reflector 76 beneath a centrally apertured baffle 75 and the cables 69 for lamps 71, 72 mounted above the baffle pass through the axis of the speaker magnet 74. A cone 77 containing a lamp and having a number of symmetrically arranged external fins 78 is mounted above the speaker to deflect the sound horizontally. The speaker shown in Fig. 11 is secured to a wooden base plate 68<SP>1</SP> by a bolt 83<SP>1</SP> which engages the central core of the speaker winding. The base plate has plug pins 82<SP>1</SP> which engage with sockets on a lamp - pedestal. The movable membrane 88<SP>1</SP> of the speaker is made of balsa wood, is almost flat and has a paper deflector 88a on its rear surface ; it is resiliently suspended by two flexible members 89<SP>1</SP>, 90<SP>1</SP>. An asbestos board sound reflector 79<SP>1</SP> below the movable membrane 88<SP>1</SP> has six vertical ribs defining compartments which are alternately varnished and lined with glass wool. An apertured baffle 751 and a cone 77<SP>1</SP> containing a lamp are mounted above the movable membrane.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR666204X | 1946-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB666204A true GB666204A (en) | 1952-02-06 |
Family
ID=9013740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20698/47A Expired GB666204A (en) | 1946-07-30 | 1947-07-30 | Lighting fitting combined with loud-speaker |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB666204A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2191362A (en) * | 1987-03-10 | 1987-12-09 | Skitronic Limited | Loudspeaker |
| NL1034097C2 (en) * | 2007-07-05 | 2009-01-12 | Franco Meraldi | Table lamp with hi-fi speaker in the base. |
-
1947
- 1947-07-30 GB GB20698/47A patent/GB666204A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2191362A (en) * | 1987-03-10 | 1987-12-09 | Skitronic Limited | Loudspeaker |
| US4811313A (en) * | 1987-03-10 | 1989-03-07 | Skitronic Limited Of Cheung Ka Industrial Bldg. | Loudspeaker and audio reproduction apparatus |
| NL1034097C2 (en) * | 2007-07-05 | 2009-01-12 | Franco Meraldi | Table lamp with hi-fi speaker in the base. |
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