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Patent Searching and Data


Matches 651 - 700 out of 1,370

Document Document Title
JPS5936477B2  
JPS59106295U  
JPS5928119B2  
JPS5928118B2  
JPS59101560U  
JPS59117399A
PURPOSE: To increase the output of vibration by fitting ≥2 electromagnetic in the circumferential direction of inner wall of a casing so that the magnetic flux is directed in the axial direction of the casing and supporting a vibrator ...  
JPS59103500A
PURPOSE: To obtain a pickup from which the same output value is obtained at all times to the same vibration, while utilizing the advantage of a dynamic pickup, without no lead to the moving part even if the pickup is installed in differe...  
JPS5918918B2  
JPS5916474B2  
JPS5962300A
PURPOSE: To attain ease of minute adjustment and to reduce the manufacturing man-hour by making the primary and secondary winding continuous. CONSTITUTION: After the primary winding 7 is wound on a coil bobbin 6 and the terminal is proce...  
JPS599263Y2  
JPS5912078B2  
JPS596057Y2  
JPS5925898U  
JPS592439B2  
JPS592239B2  
JPS592240B2  
JPS594298A
PURPOSE: To improve the resonance frequency of a diaphragm better than a conventional diaphragm and to reproduce good sound, by fixing a part of a diameter B being 0.5∼0.8 time the diameter A of the diaphragm made of a magnetic substan...  
JPS58215897A  
JPS58184993U  
JPS58189000A  
JPS58186299A
PURPOSE: To attain automatic assembling and to improve the productivity, by forming a cylinder bobbin with two-folded thin hinge. CONSTITUTION: An electromagnetic converter 1 is provided with a cylinder 20 wound with left and right paire...  
JPS5843359Y2  
JPS58144999U  
JPS58153497A
PURPOSE: To realize the easy and automatic assembly of an electromagnetic pickup cartridge, by forming a coil bobbin by forming the resin uniformly on the surface of a yoke which is formed by stacking magnetic thin plate materials on eac...  
JPS58148600A
PURPOSE: To perform assembling easily and quickly, by inserting each component in the same direction in assembling each component. CONSTITUTION: An opening section of a case member faces a bobbin support member 12 incorporated by inserti...  
JPS58127796U  
JPS58143697A
PURPOSE: To give the resistance to a high input to a microphone and make the microphone light-weight, by attaching a magnet to a diaphragm so that the direction of the magnetic pole is at right angles to the diaphragm and arranging a rin...  
JPS58120990U  
JPS58138199A
PURPOSE: To improve resisting properties against high input and high temperature of an electromagnetic loudspeaker and easily produce the loudspeaker, by fitting a magnet so that the direction of the magnetic pole becomes normal to the d...  
JPS58136200A
PURPOSE: To obtain a diaphragm satisfying the stable resonance frequency and storing sound pressure, by forming the diaphragm with a diaphragm body and a movable iron piece not fixed but placed on the diaphragm body. CONSTITUTION: Since ...  
JPS58127500A  
JPS5832398Y2  
JPS5830379Y2  
JPS5830798B2  
JPS5830799B2  
JPS58106998A
PURPOSE: To improve the assembling workability and check the stiffness of a diaphragm unit, by separating the diaphragm unit and a driving plate unit from each other and giving structures to these units so that these units are assembled ...  
JPS58106999A
PURPOSE: To make always the gap length between an armature and a yoke constant to stabilize the capacity, by piling up magnets and yokes on a supporting part of a member provided with the armature to constitute a yoke part. CONSTITUTION:...  
JPS58105697A  
JPS58104597A
PURPOSE: To attain small size and high sensitivity, by forming a side plate of a magnetic circuit constituted around a canti-lever type armature 8 vertical to the armature and driving the vicinity of a diaphragm via a drive pin. CONSTITU...  
JPS5899098A
PURPOSE: To prevent the lowering in the sensitivity of an electromagnetic acoustic converter of a small size used for a hearing aid, by forming an auxiliary magnetic circuit comprising a frame and a case for an outer circumference of a m...  
JPS5899099A
PURPOSE: To fix a frame and a diaphragm film, and the diaphragm film and a diaphragm respectively at the same time, by contacting a resin film on the upper surface of the heated film and the diaphragm, thermally melting the resin film on...  
JPS5881707U  
JPS5824555Y2  
JPS5824552Y2  
JPS5824556Y2  
JPS5824557Y2  
JPS5824558Y2  
JPS5875999A
PURPOSE: To make the winding material of a coil thick by providing two small magnets held at a specified interval having such polarity that they repel each other with a coil for generating a magnetic field in their common axial direction...  
JPS5821267Y2  

Matches 651 - 700 out of 1,370