USD249509S - Acoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker - Google Patents
Acoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker Download PDFInfo
- Publication number
- USD249509S USD249509S US05/725,981 US72598176F USD249509S US D249509 S USD249509 S US D249509S US 72598176 F US72598176 F US 72598176F US D249509 S USD249509 S US D249509S
- Authority
- US
- United States
- Prior art keywords
- throat
- horn
- diaphragm
- sound waves
- type loudspeaker
- 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 - Lifetime
Links
Images
Description
FIG. 1 is a top plan view of the accoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a side elevational perspective view thereof; and
FIG. 5 is a side elevational perspective view thereof taken from the side opposite to that shown in FIG. 4.
Claims (1)
- The ornamental design for a accoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker, as shown.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/725,981 USD249509S (en) | 1976-09-23 | 1976-09-23 | Acoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/725,981 USD249509S (en) | 1976-09-23 | 1976-09-23 | Acoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker |
Publications (1)
Publication Number | Publication Date |
---|---|
USD249509S true USD249509S (en) | 1978-09-19 |
Family
ID=65496475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/725,981 Expired - Lifetime USD249509S (en) | 1976-09-23 | 1976-09-23 | Acoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker |
Country Status (1)
Country | Link |
---|---|
US (1) | USD249509S (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110168480A1 (en) * | 2008-08-14 | 2011-07-14 | Harman International Industries, Incorporated | Phase plug and acoustic lens for direct radiating loudspeaker |
USD835076S1 (en) * | 2016-11-01 | 2018-12-04 | Safariland, Llc | Speaker and microphone housing |
USD852169S1 (en) * | 2017-07-21 | 2019-06-25 | Premium Loudspeakers (Hui Zhou) Co., Ltd. | Phase plug for loudspeaker |
USD856981S1 (en) * | 2016-09-23 | 2019-08-20 | Tymphany Hk Limited | Waveguide for a loudspeaker |
USD866525S1 (en) * | 2017-12-06 | 2019-11-12 | Tymphany Acoustic Technology (Huizhou) Co., Ltd. | Phase plug for loudspeaker |
-
1976
- 1976-09-23 US US05/725,981 patent/USD249509S/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110168480A1 (en) * | 2008-08-14 | 2011-07-14 | Harman International Industries, Incorporated | Phase plug and acoustic lens for direct radiating loudspeaker |
US8181736B2 (en) | 2008-08-14 | 2012-05-22 | Harman International Industries, Incorporated | Phase plug and acoustic lens for direct radiating loudspeaker |
US8418802B2 (en) | 2008-08-14 | 2013-04-16 | Harman International Industries, Incorporated | Phase plug and acoustic lens for direct radiating loudspeaker |
US8672088B2 (en) | 2008-08-14 | 2014-03-18 | Harman International Industries, Inc. | Phase plug and acoustic lens for direct radiating loudspeaker |
USD856981S1 (en) * | 2016-09-23 | 2019-08-20 | Tymphany Hk Limited | Waveguide for a loudspeaker |
USD835076S1 (en) * | 2016-11-01 | 2018-12-04 | Safariland, Llc | Speaker and microphone housing |
USD852169S1 (en) * | 2017-07-21 | 2019-06-25 | Premium Loudspeakers (Hui Zhou) Co., Ltd. | Phase plug for loudspeaker |
USD866525S1 (en) * | 2017-12-06 | 2019-11-12 | Tymphany Acoustic Technology (Huizhou) Co., Ltd. | Phase plug for loudspeaker |
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