Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 2,207

Document Document Title
JP5318751B2  
JP2013211559A
To provide a manufacturing method of an electret having improved surface potential, and a manufacturing method of an electrostatic induction-type conversion element using the manufacturing method.A manufacturing method of an electret inc...  
JP5283185B2  
JP2013165301A
To miniaturize a device and to improve reliability.In a capacitor array incorporating a plurality of variable capacitors C1 to C4, a plurality of positive and negative electrodes are alternately stacked for the respective variable capaci...  
JP5267555B2  
JP2013162356A
To exert a desired influence on a signal by controlling permittivity or permeability by simple control.A permittivity control circuit 1 includes: a cell region 2A comprising an array of a plurality of cells 2 each having a conductor 3 in...  
JP5240900B2  
JP5224181B2  
JP5208867B2  
JP2013115922A
To provide an electrostatic induction type mechanoelectrical transducer which uses an electret and has more excellent output.The electrostatic induction type mechanoelectrical transducer comprises: an electret; a first counter electrode;...  
JP2013515369A  
JP2013513230A  
JP5185845B2  
JP5180683B2  
JP5175016B2  
JP5172198B2  
JP5158294B2  
JP5158293B2  
JP5155161B2  
JP5126374B2  
JP5126038B2  
JP2013004841A
To provide a variable capacitance device capable of obtaining three or more capacitance values as well as reducing the size of the device and signal loss, and a drive voltage control circuit.A drive capacitance C1 of a variable capacitan...  
JP2013004707A
To provide a piezoelectric film element and a piezoelectric film device which excel in piezoelectric characteristics and have high reliability.In a piezoelectric film element 10 having at least a lower electrode layer 2 and a piezoelectr...  
JP5093946B2  
JP2012243841A
To provide a small-sized and low-voltage tunable device using a hexagonal-system barium titanate bulk crystal dielectric material with high dielectric constant.The tunable element, changing an electrostatic capacitance by applying a volt...  
JP5085753B2  
JP5076026B2  
JP5075495B2  
JP5071079B2  
JP2012216880A
To provide a capacitative device capable of accurately securing a capacitance value, a variable capacitative device capable of sufficiently securing a capacity variability rate, and a resonance circuit that uses the capacitative devices....  
JP5057572B2  
JP5048212B2  
JP2012169589A
To provide a capacitive element capable of accurately securing the value of capacitance, and a variable capacitive element capable of securing an enough capacitance variable rate, as well as a resonance circuit, communication system, wir...  
JP2012156386A
To provide a variable capacitor having a large rate of change in dielectric constant with an electric field application and low dielectric loss in a microwave/millimeter wave band.A variable capacitor is a solid solution having a composi...  
JP5000660B2  
JP4996036B2  
JP4988742B2  
JP2012138514A
To provide a portable device which is driven sufficiently by a low frequency vibration caused by movement of a human body, can be made lightweight and compact, and exhibits excellent durability while reducing the cost.In the portable dev...  
JP4980539B2  
JP2012125894A
To reduce an amount of outgassing remaining in an electronic device after sealing, in the electronic device, and to provide its manufacturing method.The method for manufacturing the electronic device has the steps of: forming an underlyi...  
JP4961362B2  
JP2012120388A
To provide an electrostatic induction type conversion device having high mechanical-electrical conversion efficiency.The electrostatic induction type conversion device 1, to convert electrical energy and kinetic energy, comprises: a base...  
JP4953877B2  
JP4940890B2  
JP4921325B2  
JP4913778B2  
JP4915130B2  
JP2012069580A
To provide dielectric ceramic for tunable devices which has large variation of a relative dielectric constant for dc bias electric fields, small temperature dependence of the relative dielectric constant, and small dielectric loss in a w...  
JP4907266B2  
JP2012060030A
To stably manufacture electrostatic capacitive elements having different capacitance without changing the shape of an electrode and the number of stacking of the electrodes.The electrostatic capacitive element comprises a dielectric laye...  

Matches 351 - 400 out of 2,207