Patent application number | Description | Published |
20080248324 | PIEZOELECTRIC ELEMENT AND FILM FORMATION METHOD FOR CRYSTALLINE CERAMIC - In a piezoelectric element having a substrate, a lower electrode layered on the substrate, a piezoelectric body made of ceramic layered on top of the lower electrode and an upper electrode layered on the piezoelectric body, wherein a first metal layer is provided between the substrate and the lower electrode, a second metal layer is provided between the lower electrode and the piezoelectric body, and the first metal layer and the second metal layer are made of a metal selected from among metals of which the ionization tendency is not less than that of Cu, oxides of metals of which the ionization tendency is not less than that of Cu, and alloys of metals of which the ionization tendency is not less than that of Cu. | 10-09-2008 |
20080278789 | VARIABLE SHAPE MIRROR AND OPTICAL PICKUP DEVICE - In a variable shape mirror including a base substrate; a mirror with a mirror surface; a fixed part, arranged on the base substrate, for fixing the mirror and the base substrate; and an actuator using a piezoelectric ceramics arranged between the base substrate and the mirror; an initial voltage of the actuator is a negative voltage. The initial voltage differs for each actuator; and is larger than or equal to a voltage at which a displacement of the actuator becomes minimum and smaller than zero voltage. The negative initial voltage is a bias voltage, and a voltage stroke is performed while applying the bias voltage. | 11-13-2008 |
20080289756 | Manufacturing method for variable shape mirror - A manufacturing method for variable shape mirrors suitable for mass production includes steps: for overlaying a pair of jigs having protruding bar portions like comb teeth on a support substrate so that the protruding bar portions are orthogonal to each other, and inserting support pillars and piezoelectric elements into through hole portions that are formed by gaps between the protruding bar portions, and placing a mirror substrate on the support pillars and the piezoelectric elements; for bonding at least the support substrate and the support pillars, the support substrate and the piezoelectric elements, and the mirror substrate and the support pillars to each other, respectively; for drawing out the jig in the direction opposite to a protruding direction of the protruding bar portion; and for forming a reflection film on an outer surface of the mirror substrate. | 11-27-2008 |
20080291519 | Manufacturing method for variable shape mirror - Manufacturing method for variable shape mirrors suitable for mass production includes steps: for forming first grooves and second grooves along boundaries between areas to be variable shape mirrors on a surface of first wafer to be support substrate and a surface of second wafer to be mirror substrate; for arranging first and second wafer so that support pillars and piezoelectric elements are sandwiched between first and second wafer at areas with surface on which second grooves are formed facing inward for bonding; for dividing second wafer into mirror substrates by flattening process of outer surface of second wafer until at least reaching second groove; for dividing first wafer into the support substrates by breaking first wafer along first grooves; and for forming reflection film on outer surface of each of mirror substrates obtained by the dividing step. | 11-27-2008 |
20090185696 | SOUND SIGNAL TRANSMITTER-RECEIVER - A sound signal transmitter-receiver includes a differential microphone for receiving sounds respectively at first and second points to convert the receiving sounds into a transmission sound signal; a transmission-reception unit for receiving an incoming signal as a reception sound signal; an addition unit for adding the reception sound signal from the transmission-reception unit and the transmission sound signal to produce an addition signal; and a speaker outputting sound based on the addition signal. | 07-23-2009 |
20100260346 | Voice Input Device, Method of Producing the Same, and Information Processing System - A voice input device includes a first microphone ( | 10-14-2010 |
20100266146 | Integrated Circuit Device, Voice Input Device and Information Processing System - An integrated circuit device includes a circuit board ( | 10-21-2010 |
20100280825 | Voice Input Device, Method of Producing the Same, and Information Processing System - A voice input device includes a first microphone ( | 11-04-2010 |
20130329397 | LIGHT SOURCE APPARATUS AND LIGHTING APPARATUS - A laser lighting module includes a base part, a laser diode which is a blue laser device, a substrate with which the laser diode is in contact, a ceramic phosphor which reflects light entering from the laser diode to thereby change a direction of the light and is excited by the light to generate yellow fluorescence, and a lens for adjusting luminous intensity distribution of light emitted from the ceramic phosphor. The substrate is formed of a material which is thin and has excellent thermal conductivity, and is in surface contact with the laser diode and the base part. In the laser lighting module, since the substrate serves as a device heat radiator, it is possible to easily remove the heat generated by the laser diode. | 12-12-2013 |
20130329416 | LIGHTING APPARATUS - A lighting apparatus includes a laser lighting module, an LED lighting module, and a sensor module. The laser lighting module includes a base part, a laser diode mounted on a substrate fixed on the base part, a ceramic phosphor upon which a blue laser light from the laser diode is incident, and a lens for adjusting luminous intensity distribution of light emitted from the ceramic phosphor, and is mounted on a module mount part of a mount body part. The LED lighting module and the sensor module are also mounted on other module mount parts of the mount body part, respectively. Thus, by mounting various combinations of the laser lighting modules and the LED lighting modules on the mount body part provided with a plurality of module mount parts, it is possible to manufacture lighting apparatuses for various uses at low cost. | 12-12-2013 |