Patent application number | Description | Published |
20080258565 | ELECTRET DEVICE AND ELECTROSTATIC INDUCTION CONVERSION APPARATUS COMPRISING THE SAME - An electret device includes an electret film into which charges are injected and a barrier film provided on a surface of the electret film and having an electron affinity smaller than the electron affinity of the electret film. | 10-23-2008 |
20080265686 | ELECTRET DEVICE AND ELECTROSTATIC OPERATING APPARATUS - An electret device includes an electret film capable of storing charges and a protective film formed so as to substantially surround a side end surface of the electret film. | 10-30-2008 |
20080296984 | ENERGY CONVERTER - This energy converter includes a first flat coil and a magnet opposed to the first flat coil at an interval, and the first flat coil and the magnet are so formed as to be relatively movable, for converting kinetic energy to electric energy by electromagnetic induction. | 12-04-2008 |
20090058224 | ELECTROSTATIC ACTUATOR AND POWER GENERATOR - This electrostatic actuator includes an electret film and a conductor layer formed on the electret film, and the conductor layer is so formed as to have a sectional shape reduced in width upward from the side closer to the electret film. | 03-05-2009 |
20090085359 | ELECTRONIC APPARATUS - An electronic apparatus includes a power generator including a movable portion displaced by kinetic energy acting on an electronic apparatus body and a conversion portion converting displacement of the movable portion to electric energy, wherein the movable portion of the power generator is arranged on or below a gravity center of the electronic apparatus body in a state where the electronic apparatus body is supported in a used state. | 04-02-2009 |
20090085530 | POWER GENERATOR AND ELECTRONIC APPARATUS - A power generator capable of improving power generation efficiency is obtained. This power generator includes a movable portion moving by kinetic energy acting on a power generator body, a first conversion portion converting kinetic energy of the movable portion to electric energy and a movement direction changing portion changing a direction in which the movable portion moves to a direction along a direction in which acceleration applied to the movable portion is larger regardless of a direction of the power generator body. | 04-02-2009 |
20090108590 | ELECTRONIC APPARATUS - An electronic apparatus includes a power generator including a movable portion displaced by kinetic energy acting on an electronic apparatus body and a conversion portion converting displacement of the movable portion to electric energy, wherein the movable portion of the power generator is arranged at a position separated from a support portion of the electronic apparatus body. | 04-30-2009 |
20090236932 | ELECTROSTATIC ACTING DEVICE - An electrostatic acting device is so formed that a distance between partial regions of a first electrode of a first substrate and a second electrode of a second substrate is smaller than an interelectrode distance controlled by a gap control portion. | 09-24-2009 |
20100072855 | ELECTROSTATIC INDUCTION POWER GENERATOR - An electrostatic induction power generator includes first and second substrates arranged to be opposed to each other, a third substrate arranged between the first and second substrates, first and second electrodes provided on both surfaces of the third substrate respectively, a third electrode provided on a surface of the first substrate; and a fourth electrode provided on a surface of the second substrate. | 03-25-2010 |
20100079031 | ELECTROSTATIC ACTUATOR AND POWER GENERATOR - This electrostatic actuator includes an electret film and a conductor layer formed on the electret film, and the conductor layer is so formed as to have a sectional shape reduced in width upward from the side closer to the electret film. | 04-01-2010 |
20120217842 | ELECTROSTATIC OPERATION DEVICE - An electrostatic operation device in which a variation in the amount of electric charges accumulated in an electret film caused by physical impact can be suppressed. The electrostatic operation device (electrostatic induction power generating device ( | 08-30-2012 |