JPS5450868A - Electroacoustic converter - Google Patents
Electroacoustic converterInfo
- Publication number
- JPS5450868A JPS5450868A JP10820578A JP10820578A JPS5450868A JP S5450868 A JPS5450868 A JP S5450868A JP 10820578 A JP10820578 A JP 10820578A JP 10820578 A JP10820578 A JP 10820578A JP S5450868 A JPS5450868 A JP S5450868A
- Authority
- JP
- Japan
- Prior art keywords
- electroacoustic converter
- electroacoustic
- converter
- 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
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL20071677A PL111377B1 (en) | 1977-09-06 | 1977-09-06 | Method for manufacturing electro-acoustic transducer pole shoe as well as magnetic circuit core |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5450868A true JPS5450868A (en) | 1979-04-21 |
Family
ID=19984453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10820578A Pending JPS5450868A (en) | 1977-09-06 | 1978-09-05 | Electroacoustic converter |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5450868A (en) |
DE (1) | DE2838067C3 (en) |
PL (1) | PL111377B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03142804A (en) * | 1989-10-27 | 1991-06-18 | Mitsubishi Electric Corp | Magnetic core |
-
1977
- 1977-09-06 PL PL20071677A patent/PL111377B1/en not_active IP Right Cessation
-
1978
- 1978-08-31 DE DE19782838067 patent/DE2838067C3/en not_active Expired
- 1978-09-05 JP JP10820578A patent/JPS5450868A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03142804A (en) * | 1989-10-27 | 1991-06-18 | Mitsubishi Electric Corp | Magnetic core |
Also Published As
Publication number | Publication date |
---|---|
PL111377B1 (en) | 1980-08-30 |
DE2838067A1 (en) | 1979-03-08 |
DE2838067B2 (en) | 1979-11-15 |
DE2838067C3 (en) | 1980-07-24 |
PL200716A1 (en) | 1979-04-09 |
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