JPS5244627A - Magnet core type speaker - Google Patents
Magnet core type speakerInfo
- Publication number
- JPS5244627A JPS5244627A JP12014175A JP12014175A JPS5244627A JP S5244627 A JPS5244627 A JP S5244627A JP 12014175 A JP12014175 A JP 12014175A JP 12014175 A JP12014175 A JP 12014175A JP S5244627 A JPS5244627 A JP S5244627A
- Authority
- JP
- Japan
- Prior art keywords
- core type
- magnet core
- type speaker
- alunico
- magnet
- 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.)
- Pending
Links
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
- H04R9/06—Loudspeakers
-
- 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
- H04R9/025—Magnetic circuit
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
PURPOSE:To prevent demagnetization of alunico magnet due to the dynamic magnetic field from voice coil, by means of covering at least a part of alunico magnet periphery with the electroconductive material with ring shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12014175A JPS5244627A (en) | 1975-10-04 | 1975-10-04 | Magnet core type speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12014175A JPS5244627A (en) | 1975-10-04 | 1975-10-04 | Magnet core type speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5244627A true JPS5244627A (en) | 1977-04-07 |
Family
ID=14778970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12014175A Pending JPS5244627A (en) | 1975-10-04 | 1975-10-04 | Magnet core type speaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5244627A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5568293A (en) * | 1978-11-18 | 1980-05-22 | Mitsuharu Sakakida | Production of carcinostatic substance |
US4628154A (en) * | 1981-12-24 | 1986-12-09 | Kort Eckehard K | Annular gap magnet system, particularly for low frequency loudspeakers |
-
1975
- 1975-10-04 JP JP12014175A patent/JPS5244627A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5568293A (en) * | 1978-11-18 | 1980-05-22 | Mitsuharu Sakakida | Production of carcinostatic substance |
JPS571230B2 (en) * | 1978-11-18 | 1982-01-09 | ||
US4628154A (en) * | 1981-12-24 | 1986-12-09 | Kort Eckehard K | Annular gap magnet system, particularly for low frequency loudspeakers |
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