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Patent Searching and Data


Matches 801 - 850 out of 1,389

Document Document Title
JPS5685995A
PURPOSE: To obtain a large magnetic flux variation and a very flat characteristic, by using a fixed magnet jointly, to make its constitution unique, and using an air core coil. CONSTITUTION: A moving magnet 3 is fixed to the base end of ...  
JPS5684100A
PURPOSE: To lighten a vibration system and to increase an output by arranging two E-shaped magnetic structures on the nonmagnetic substance armature of a moving magnet type pickup cartridge. CONSTITUTION: At the base end of cantilever 2,...  
JPS5683199A
PURPOSE: To make the weight of an entire cartridge light in weight, by the constitution of a magnet magnetized lengthwise a sensing lever so that it is located at the center of armature. CONSTITUTION: The magnet 1B demagnetized lengthwis...  
JPS5678300A
PURPOSE: To stabilize a mechanical strain and performance by improving the strength of a yoke and an assemblage by inserting a yoke end part wound with a coil into the concave part of the yoke for forming a magnetic gap between those yok...  
JPS5674600U  
JPS5669998A
PURPOSE: To improve various characteristics of a cartridge by constituting a coil piece block by using a ferrite, etc., with excellent high frequency characteristics while reducing reference lines and bonded layers in work and by obtaini...  
JPS5668394U  
JPS5665597A
PURPOSE: To obtain the cartridge without lowering in sensitivity and left and right unbalance, by providing three sets of moving magnets so that the magnetic axis of moving magnets is in parallel with the vertical and horizontal axes ort...  
JPS5661895A
PURPOSE: To prevent unbalance in characteristics between both right and left channels, by employing the structure where both channels are completely equal in magnetic path length and symmetric. CONSTITUTION: The vibration part consists o...  
JPS5658700U  
JPS5657590U  
JPS5657591U  
JPS5657593U  
JPS5657592U  
JPS5657594U  
JPS5656096A
PURPOSE: To improve frequency characteristics and to increase an output by providing a delta type magnetic core that has its top at a magnetic gap and by winding a couple of leg parts with coils whose winding diameter is less at the shor...  
JPS5656097A
PURPOSE: To reduce defectives and to improve frequency characteristics by specifying jointless cores and then by providng both leg parts of them with detection coils wound previsouly in separate bodies so that they will penetrate working...  
JPS5620760B1  
JPS5656297U  
JPS5653891U  
JPS5652999A  
JPS5652396U  
JPS5650699A  
JPS5646392A
PURPOSE: To make suitable the generated voltage, by enabling to adjust the position of the armature of the cunti-lever end to avoid the level difference due to the polarity of generated voltage. CONSTITUTION: The end of the cunti-lever 2...  
JPS5646399A
PURPOSE: To improve the heat dissipation of the coil and to prevent the open wire of leads, by making small the magnetic circuit through the combination of moving magnet locating the cone in oscillation free, to the core having special s...  
JPS5646398A
PURPOSE: To make small the size and light the weight, by preventing the open wire failure due to the oscillation of moving coil of speaker through the location of lead wires for the moving part and improving the heat dissipation efficien...  
JPS5646400U  
JPS5644300A
PURPOSE: To make it possible to bind the pole piece and yokes with an adhesive without fluctuation of the characteristic, by pressing the stopping plate by screwing and by pressing two yokes bound to the pole piece by uniform force. CONS...  
JPS5635600A
PURPOSE: To increase the power generating efficiency as well as the response property, by providing the fixed magnet in addition to the mobile magnet and then inducing the voltage to the coil with the magnetic flux flowing between the bo...  
JPS5635595A  
JPS5634300A  
JPS5633889U  
JPS5626498U  
JPS5623099A  
JPS5622899U  
JPS568316Y2  
JPS5620000U  
JPS5617780U  
JPS5614798A
PURPOSE: To improve performance and to reduce cost by forming magnetic circuits with a common magnetic gap by using two magnetic cores that have the magnetic gap extending in parallel to a center axis and then by combining those two magn...  
JPS5613899A
PURPOSE: To obtain a pickup having a high output sensitivity and high SN ratio, by decreasing the effective mass of the vibrator. CONSTITUTION: Mobile iron bar 3 attached to the other end of cantilever 2 having stylus tip 1 at the tip pa...  
JPS5613900A
PURPOSE: To increase the reproduction limit frequency at the high range as well as reduce the high frequency distortion of the cross modulation distortion , by using the plate-type armature having a small length/diameter ratio. CONSTITUT...  
JPS565426Y2  
JPS5610798A
PURPOSE: To prevent a cantilever from resonating by improving the efficiency of utilization of magnetic flux by fitting a conductive or magnetic pipe at the base end part of the cantilever. CONSTITUTION: Pipe 9 of conductive material is ...  
JPS569506U  
JPS569505U  
JPS563653B2  
JPS567598A
PURPOSE: To obtain a pole piece assembly easy of winding work, by winding the coil on the magnetic plate made of rod shaped high permeability material and bending the magnetic plate. CONSTITUTION: The coil 2 is wound on the magnetic plat...  
JPS567417A
PURPOSE: To obtain a magnet converter having high dimensional and weight accuracies by removing a preformed intermediate article upon heating of a mold, retaining a magnet piece in the cavity of the mold, pouring molten metal in the cavi...  
JPS564087A
PURPOSE: To make the sound emitting body with a wide emitting band smaller and thinner by doubling one vibration thin plates facing each other driven by the exciting coil and the permanent magnet to protect the watch from water. CONSTITU...  
JPS55179488U  

Matches 801 - 850 out of 1,389