GB288713A - Loud speakers - Google Patents
Loud speakersInfo
- Publication number
- GB288713A GB288713A GB90227A GB90227A GB288713A GB 288713 A GB288713 A GB 288713A GB 90227 A GB90227 A GB 90227A GB 90227 A GB90227 A GB 90227A GB 288713 A GB288713 A GB 288713A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- reed
- box
- natural frequency
- cycles per
- 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
- 235000014676 Phragmites communis Nutrition 0.000 abstract 5
- 229920000742 Cotton Polymers 0.000 abstract 1
- 238000013016 damping Methods 0.000 abstract 1
- 210000003746 feather Anatomy 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
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE347902D BE347902A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1927-01-11 | ||
GB90227A GB288713A (en) | 1927-01-11 | 1927-01-11 | Loud speakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB90227A GB288713A (en) | 1927-01-11 | 1927-01-11 | Loud speakers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB288713A true GB288713A (en) | 1928-04-11 |
Family
ID=9712481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB90227A Expired GB288713A (en) | 1927-01-11 | 1927-01-11 | Loud speakers |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE347902A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
GB (1) | GB288713A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013232860A (ja) * | 2012-05-02 | 2013-11-14 | Rion Co Ltd | イヤホンとそれを用いた聴取装置 |
-
0
- BE BE347902D patent/BE347902A/xx unknown
-
1927
- 1927-01-11 GB GB90227A patent/GB288713A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013232860A (ja) * | 2012-05-02 | 2013-11-14 | Rion Co Ltd | イヤホンとそれを用いた聴取装置 |
Also Published As
Publication number | Publication date |
---|---|
BE347902A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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