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Patent Searching and Data


Matches 851 - 900 out of 1,389

Document Document Title
JPS5554807Y2  
JPS55172892U  
JPS55152797U  
JPS55150599U  
JPS55146799U  
JPS55133200A
PURPOSE: To enable small size and to increase the ability of separation of channel signal, by providing the power generation system in the state near parallelism viewed from the front and locating symmetrically the constituent of L-R by ...  
JPS55127798A
PURPOSE: To improve a frequency characteristic to avoid crosstalk, by forming a magnetic circuit with plate materials bent in the magnetic circuit which is constituted by laminating plate materials consisting of magnetic materials. CONST...  
JPS55125799A
PURPOSE: To increase the reproduction audio quality of pickup cartridge, by providing the conductive resin film on the surface of member forming the magnetic circuit. CONSTITUTION: On the surface of the members forming magnetic circuit s...  
JPS55135598U  
JPS55135597U  
JPS55133698U  
JPS55121798A
PURPOSE: To shorten the length of the cantilever itself and then to enhance the reproducing frequency characteristics at the high-frequency band, by putting the effective magnetic space close to the stylus tip and then providing the magn...  
JPS55130499U  
JPS5533239B1  
JPS5532080B2  
JPS55107400A
PURPOSE: To make efficient the winding work and to increase the output efficiency of the cartridge, by taking construction that the yoke bridging the magnetic core members is made separately and the contact area is taken greater by inser...  
JPS55100800A
PURPOSE: To constitute a miniature, lightweight and strong audio device by arranging an audio generating diaphragm covering the root part of a horn and by connecting its center part to a movable iron core by using a lever. CONSTITUTION: ...  
JPS55107782U  
JPS5598099U  
JPS5591298U  
JPS5590991U  
JPS5575400A
PURPOSE: To reduce the weight of the vibration system as well as to increase the magnetic moment and the damping effect by loading the bar-type magnet and the conducting magnetic substance disk into the rear part of the cantilever and to...  
JPS5575394A  
JPS5580996U  
JPS5579198U  
JPS5576595U  
JPS5568799A
PURPOSE: To reduce the change of the magnetic properties due to the impact and the vibration and thus to increase the dynamic range as well as enhance the linearity for the record player by using the non-magnetic distortion type non-crys...  
JPS5567683A  
JPS5572398U  
JPS5519120Y2  
JPS5552191U  
JPS5538733A
PURPOSE: To secure the control for the frequency characteristics by detecting and then feeding back the vibrations of the telephone receiver, thus enhancing the articulation of the bone condution hearing aid. CONSTITUTION: Vibration bar ...  
JPS5511279Y2  
JPS5511278Y2  
JPS5511280Y2  
JPS5534554A
PURPOSE: To secure the excellent characteristics with a high efficiency by providing in projection two units of mobile magnets in the orthogonal direction to the axis of the cantilever and then enclosing the outer circumference of these ...  
JPS5531325U  
JPS5526717A
PURPOSE: To obtain a pickup of stable electromagnetic conversion characteristics by leading magnetic flux, due to a hum infiltrating from an opening part in a core via pole pieces, to a shield case. CONSTITUTION: Between a couple of coil...  
JPS5518882U  
JPS5518845U  
JPS5518846U  
JPS5514773A
PURPOSE: To decrease the loss of the leak magnetic flux of the magnetic circuit by securing a parallel consitution for the magnetic circuit of a small-size speaker, and thus to realize the low power consumption and high sound pressure ou...  
JPS5513450U  
JPS5513451U  
JPS5511635A
PURPOSE: To obtain a pickup capable of increasing greatly the mechanical-electric conversion efficiency by providing the viscous fluid mixed up with the fine grain type ceramic magnet material between the armature and the pole piece. CON...  
JPS5510235A
PURPOSE: To improve linearity between speed displacement at a stylus tip and variation in voltage by employing the structure with a moving magnet placed direct in a coil. CONSTITUTION: To one terminal of cantilever 11 with stylus 12, mov...  
JPS558659A
PURPOSE: To obtain a sound current faithful to the vibration of a cantilever by holding vibration plates implanted into a support rod, where a cantilever having a stylus tip on the tip lower face is connected, with a phase difference of ...  
JPS551705A
PURPOSE: To enable to use this unit under the environment of high temperatures, rapid temperature change, or high radiant rays, by mutually converting the electric signals between the electrode pairs and the longitudinal wave oscillation...  
JPS551737A
PURPOSE: To increase the coupling of electromagnetic-mechanical conversion and the energy conversion efficiency, by forming the vertical magnatizing ferro magnetic substance layer on the base such as marcomolecular mold, non-ferrous meta...  
JPS5444442B2  

Matches 851 - 900 out of 1,389