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Patent Searching and Data


Matches 551 - 600 out of 1,389

Document Document Title
JPH05176395A
PURPOSE: To induce a stable induction current to a diaphragm in accordance with a signal current supplied to an electromagnetic induction coil, to obtain highly efficient and sufficiently enough sound pressure output characteristics and ...  
JPH05502550A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0591592A
PURPOSE: To provide a sound reproduction system which shows flat frequency response characteristics in an operating frequency range and operates with extremely high efficiency. CONSTITUTION: A transducer which contains a core 11 formed o...  
JPH0564291A
PURPOSE: To make an entire shape thinner, to generate large vibrations and to apply lateral vibrations to a vibration transmitting member. CONSTITUTION: A flatly wound moving coil 3 is provided in a housing 6 so as to receive the low fre...  
JPH0530598A
PURPOSE: To thin the whole shape, to turn a vibrating direction to a plane direction (direction parallel with the face of an electrical/ mechanical vibration converter) and to obtain strong vibration. CONSTITUTION: The bent end parts of ...  
JPH056811B2  
JPH0514996A
PURPOSE: To obtain strong vibration by making the profile of the entire transducer thinner and selecting the direction of vibration in a plane direction (direction in parallel with a face of the electromechanical transducer). CONSTITUTIO...  
JPH055240B2  
JPH053960B2  
JPH05500022A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH051198Y2  
JPH0448320B2  
JPH04135000A
PURPOSE: To obtain an efficient moving magnet type induction speaker by arranging a dome-shaped vibration plate having a conductive short circuit ring adjacently to a moving magnet. CONSTITUTION: Adjacently to the moving magnet, for exam...  
JPH0446498A
PURPOSE: To enable thin structure and to reduce the number of parts by magnetizing magnets connected to each diaphragm respectively provided on one side and on the other side to the same polarity. CONSTITUTION: A frame 1 is formed by con...  
JPH0356520B2  
JPH03184500A
PURPOSE: To more effectively suppress an external electromagnetic field by forming a magnetic shield by two halves of cup-like casing adjacent to the symmetrical face of the shield, connected as one unit along a connection face parallel ...  
JPH0336160Y2  
JPH0373099U  
JPH0359793U  
JPH0359792U  
JPH0322201A
PURPOSE: To obtain extremely good sound quality from low to high tone ranges by using a magnet cont. 33 to 47 atomic % platinum and consisting of the balance iron. CONSTITUTION: An alloy cont. 33 to 47 atomic % platinum and consisting of...  
JPH02145896U  
JPH02274200A
PURPOSE: To provide a simple acoustic transducer at a low cost by providing a membrane moved by a flexible means over an entire range of a housing base and fixing the flexible means to an inner side of four side walls of a housing sectio...  
JPH02106793U  
JPH01307399A
PURPOSE: To obtain high acoustic effect by using a fine wire consisting of copper at ≥6N for the copper coil of a coil part for a cartridge. CONSTITUTION: The coil part of the cartridge for a record player is obtained, for example, by ...  
JPH0136760B2  
JPH01100599U  
JPH0186397U  
JPH0182599U  
JPH0159392U  
JPS646632Y2  
JPS63187498U  
JPS6347320B2  
JPS63193800A  
JPS63181599A
PURPOSE: To obtain a compact and highly efficient moving magnet type transducer by winding a coil on a magnetic core having a magnetic void and connecting a diaphragm to a movable magnet having magnetic pole parts which are mutually reve...  
JPS63111098U  
JPS6326600B2  
JPS6318240Y2  
JPS6322376B2  
JPS633278Y2  
JPS632196B2  
JPS6255359B2  
JPS6255358B2  
JPS6253000B2  
JPS6247318B2  
JPS62201000A
PURPOSE: To realize a large inductance by movably disposing a magnet having different poles joined together so as to be integrated in a magnetic space of a magnetic core. CONSTITUTION: The movable magnet 4 has the pair of magnets 4a, 4b ...  
JPS62198300A
PURPOSE: To convert a low frequency signal of a large amplitude by reducing a distortion, by providing a cylindrical bobbin, a coil wound to the cylindrical bobbin, a ring magnet, a shaft fixed to the axial center of the ring magnet, res...  
JPS6233436Y2  
JPS62173601A
PURPOSE: To make noiseless reproducing possible by coating surfaces of a stylus tip and a cantilever with a conductive material and using a conductive adhesive. CONSTITUTION: Surfaces of a stylus tip 2 and a cantilever 1 are coated with ...  
JPS62163498A
PURPOSE: To obtain a transducer which is flat and small in size by providing a magnetic material for operating an electromagnetic force on a magnet, on a virtual plane being in an equal distance from two magnetic pole surface of the magn...  

Matches 551 - 600 out of 1,389