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Patent Searching and Data


Matches 601 - 650 out of 1,389

Document Document Title
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...  
JPS6131679B2  
JPS61139184A
PURPOSE: To reduce parts number and raise a productivity by fixing and holding a square shape diaphragm by an opposing face of a square rod shape permanent magnet through spacer provided on upper and lower surfaces of both ends of a plat...  
JPS6115677Y2  
JPS6118400B2  
JPS6167400A
PURPOSE: To obtain an inexpensive electrtomechanical transducer with ease of processing and assembling by using a spring member to support a magnetic yoke to a case and constituting a magnetic circuit with the magnetic yoke and a magneti...  
JPS617080B2  
JPS6123800U  
JPS61400U  
JPS6059800B2  
JPS6053960B2  
JPS60163898U  
JPS6047800B2  
JPS60150896U  
JPS6033675Y2  
JPS6033680Y2  
JPS60192499A
PURPOSE: To obtain a driver ease of low frequency reproduction and of static attracting force balancing type by increasing the plate outer diameter larger than a ring form permanent magnet so as to increase the suspension outer diameter ...  
JPS6042680B2  
JPS60176398A
PURPOSE: To improve substantially a distortion component of sound pressure reproduced by a front panel by adapting a symmetric construction in which one magnetic gap is enlarged when the other one is narrowed with respect to a vertical m...  
JPS60136597U  
JPS60132099U  
JPS60132100U  
JPS60170399A
PURPOSE: To make higher the entire height of an exciting coil and to reduce a unit outer diameter by providing a yoke or a pole piece on the upper face or the lower face of a permanent magnet so that two types of height of an exciting pa...  
JPS60124196U  
JPS6032881B2  
JPS60103996U  
JPS6022713Y2  
JPS6028439B2  
JPS6027237B2  
JPS60113407A  
JPS6019436Y2  
JPS6022560B2  
JPS6096998A
PURPOSE: To obtain the thinner-type speaker by providing a square-type center pole whose square-type plate is wound by an excitation coil, and an excitation part which is made of a square-rod-shaped permanent magnet of a coil outer circu...  
JPS6016002B2  

Matches 601 - 650 out of 1,389