ELECTRONIC PART
PROBLEM TO BE SOLVED: To inexpensively provide an electronic part having a polarity terminal thickened to indicate a polarity. SOLUTION: An electromagnetic acoustic converter 1 includes a base 24 formed of a magnetic material, a core 22 formed of the magnetic material and stood on the base 24, a dia...
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| creator | GOTO YOICHI OISHI YOSHIHARU |
| description | PROBLEM TO BE SOLVED: To inexpensively provide an electronic part having a polarity terminal thickened to indicate a polarity. SOLUTION: An electromagnetic acoustic converter 1 includes a base 24 formed of a magnetic material, a core 22 formed of the magnetic material and stood on the base 24, a diaphragm 20 formed of the magnetic material and supported via an air gap from the distal end of the core, a magnetic circuit constituted together with the base 24, the core 22 and the diaphragm 20, a magnet 25 for supplying a magnetostatic field, a coil 23 disposed on the periphery of the core to supply a vibrating magnetic field to the magnetic circuit, a coil bobbin 30 for holding the coil 23, and lead terminals 41, 42 for energizing. The lead terminal 42 is constituted of a sleeve 51 as the polarity terminal 50. The polarity terminal 50 is a terminal obtained by engaging the sleeve 51 of a substantially C shaped cylindrical member formed of a metal of a solder plated copper wire, etc. at the lead terminal 42 of a positive terminal. COPYRIGHT: (C)2004,JPO&NCIPI |
| format | Patent |
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SOLUTION: An electromagnetic acoustic converter 1 includes a base 24 formed of a magnetic material, a core 22 formed of the magnetic material and stood on the base 24, a diaphragm 20 formed of the magnetic material and supported via an air gap from the distal end of the core, a magnetic circuit constituted together with the base 24, the core 22 and the diaphragm 20, a magnet 25 for supplying a magnetostatic field, a coil 23 disposed on the periphery of the core to supply a vibrating magnetic field to the magnetic circuit, a coil bobbin 30 for holding the coil 23, and lead terminals 41, 42 for energizing. The lead terminal 42 is constituted of a sleeve 51 as the polarity terminal 50. The polarity terminal 50 is a terminal obtained by engaging the sleeve 51 of a substantially C shaped cylindrical member formed of a metal of a solder plated copper wire, etc. at the lead terminal 42 of a positive terminal. 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SOLUTION: An electromagnetic acoustic converter 1 includes a base 24 formed of a magnetic material, a core 22 formed of the magnetic material and stood on the base 24, a diaphragm 20 formed of the magnetic material and supported via an air gap from the distal end of the core, a magnetic circuit constituted together with the base 24, the core 22 and the diaphragm 20, a magnet 25 for supplying a magnetostatic field, a coil 23 disposed on the periphery of the core to supply a vibrating magnetic field to the magnetic circuit, a coil bobbin 30 for holding the coil 23, and lead terminals 41, 42 for energizing. The lead terminal 42 is constituted of a sleeve 51 as the polarity terminal 50. The polarity terminal 50 is a terminal obtained by engaging the sleeve 51 of a substantially C shaped cylindrical member formed of a metal of a solder plated copper wire, etc. at the lead terminal 42 of a positive terminal. 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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS PRINTED CIRCUITS PUBLIC ADDRESS SYSTEMS SOUND-PRODUCING DEVICES |
| title | ELECTRONIC PART |
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