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Patent Searching and Data


Matches 551 - 600 out of 1,372

Document Document Title
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...  
JPS6220883Y2  
JPS6276395A
PURPOSE: To reduce the mass of a vibration system and to obtain a transducer with high efficiency and high sensitivity by placing a movable magnet in a magnetic flux generated by a fix coil and converting a magnetic moment applied on the...  
JPS6276396A
PURPOSE: To heighten teh efficiency of power generation and to miniaturize a device by providing a yoke having four leg parts on which coils are wound at the upper part of an armature and connecting two coils so as to offset an induced s...  
JPS6243925A
PURPOSE: To detect a fault even to a transmitter/receiver in operation by outputting respectively a short time mean value of an instantaneous value of each reception electric field strength from plural radio reception sections and compar...  
JPS6150439B2  
JPS61242199A
PURPOSE: To permit the electric frequency control of a cartridge by winding an output coil around a york with induction coil having mutual inductance to the output coil. CONSTITUTION: The cartridge is equipped with a pair of pole pieces ...  
JPS61240401A
PURPOSE: To attain the orientation of an armature in a proper state to an action gap by forming at least a flat standard surface for attachment to an attachment rod provided at the cantilever side and an attachment hole drilled at the kn...  
JPS61240402A
PURPOSE: To fix a cantilever to a knob member with a simple and quick operation by providing a fixing means consisting of an interlocking recess partwhich interlocks an attachment rod in response to insertion of said rod and a projection...  
JPS6147480B2  
JPS6147436B2  
JPS6147040B2  
JPS6134798Y2  
JPS6134797Y2  
JPS61208398A
PURPOSE: To realize a low distortion factor and to make a good reproduction to a low sound range by flowing a reproducing signal current radially between the center of a disk made of an electrically conductive material and its periphery ...  
JPS61194998A
PURPOSE: To cancel the magnetic induction current in the armor and improve the transient response characteristic of output signals by connecting in series grounding terminals of output terminal of armors and the internal dynamo- system. ...  
JPS6136438B2  
JPS61169098A
PURPOSE: To decrease the sound pressure variation range even if the space distance is changed with a simple constitution and to stabilize the tone quality by supplying to an electromagnet the AC power of a frequency lower than the intrin...  

Matches 551 - 600 out of 1,372