| Patent application number | Description | Published |
|---|
| 20080212907 | HYDRODYNAMIC BEARING, AND HYDRODYNAMIC BEARING-TYPE ROTARY DEVICE AND RECORDING AND REPRODUCING APPARATUS EQUIPPED WITH SAME - The angular stiffness of a bearing is kept high, and at the same time air inside the bearing is discharged smoothly, without accumulating, which prevents oil film separation on the bearing. With the present invention, a communicating hole is provided, the hole and a radial hydrodynamic groove constitute a circulation path for a lubricant, there is a first thrust bearing face in contact with the circulation path, there is a first hydrodynamic groove on the face, this groove is a herringbone groove with a pump-in pattern, and no low-pressure part is generated in the thrust bearing, so even if the bearing undergoes a pressure change, there is no risk that the air accumulated in a low-pressure part will expand and cause oil film separation on the bearing face. Also, the bubbles are smoothly discharged by circulation of the lubricant in the asymmetrical radial hydrodynamic groove, and there is a pressure distribution such that the pressure generated at the face during bearing rotation is sufficiently high at the outer peripheral portion of the groove pattern, and angular stiffness is high. | 09-04-2008 |
| 20080304775 | HYDRODYNAMIC BEARING DEVICE, AND RECORDING AND REPRODUCING APPARATUS EQUIPPED WITH SAME - There is provided a hydrodynamic bearing device that maintains high bearing angular stiffness, and that prevents oil film separation in the bearing by smoothly discharging any bubbles present inside the bearing. With a hydrodynamic bearing device, a communicating hole and a radial hydrodynamic groove constitute a circulation path for a lubricant, and a first thrust bearing surface is provided at a location in contact with the circulation path. A first hydrodynamic groove formed in the first thrust bearing surface is a spiral groove with a pump-in pattern. Any bubbles in the bearing are smoothly discharged by the circulation of the lubricant produced by the asymmetrical radial hydrodynamic groove. The pressure generated at the thrust bearing surface during rotation of the bearing has a distribution such that there is a wide range of high pressure. | 12-11-2008 |
| 20090002825 | Image Stabilizer - An image stabilizer of the present invention is provided with a lens module | 01-01-2009 |
| 20090028474 | HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR EQUIPPED WITH SAME - There is provided a hydrodynamic bearing device with which the lubricant is prevented from leaking to the outside, and good seal performance can be maintained, and a spindle motor equipped with this hydrodynamic bearing device. The hydrodynamic bearing device comprises a shaft, a sleeve, a lubricant that fills a microscopic gap, a radial bearing portion, a thrust beating portion, and a bearing seal portion. The value of a function P | 01-29-2009 |
| 20090116123 | CAMERA - It is an object of the present invention to provide a camera realizing simultaneously a high magnification zoom lens system and the miniaturization of the device. The digital camera ( | 05-07-2009 |
| 20090122421 | IMAGING DEVICE AND CAMERA - The present invention aims to provide an imaging device and a camera realizing simultaneously a high magnification zoom lens system and the miniaturization of the device. The imaging device ( | 05-14-2009 |
| 20090128928 | OPTICAL ELEMENT DRIVING DEVICE AND IMAGING APPARATUS - A lens driving device includes a lens, a moving member that supports the lens, a stationary member that movably supports the moving member, a pitch drive mechanism that drives the moving member in the pitch correction direction, and a yaw drive mechanism that drives in the yaw correction direction. The pitch drive mechanism has first and second magnets provided to the stationary member, and first and second coils provided to the moving member. The yaw drive mechanism has a third magnet provided to the stationary member, and a third coil provided to the moving member. The first and second coils are arranged on opposite sides of the lens when viewed in a third direction that is perpendicular to the pitch and yaw correction directions, and the third coil is arranged on the same side as the first coil with respect to the lens when viewed in the third direction. | 05-21-2009 |
| 20090129764 | IMAGE BLUR CORRECTING DEVICE AND CAMERA - It is an object of the present invention to provide an image blur correcting device having a dimension reduced in any one direction perpendicular to the optical axis of the incident light, and a camera equipped with this device. The image blur correcting device | 05-21-2009 |
| 20090153985 | LENS BARREL, IMAGE PICKUP DEVICE, AND LENS BARREL MANUFACTURING METHOD - A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets. | 06-18-2009 |
| 20090154852 | HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND INFORMATION RECORDING AND REPRODUCING APPARATUS - The hydrodynamic bearing device comprises a sleeve | 06-18-2009 |
| 20090168180 | LENS BARREL AND OPTICAL ELEMENT DRIVING DEVICE - A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens group, a third support frame for supporting the third lens group, a first drive unit, and a second drive unit. The first lens group has an overall negative refractive power, and includes a prism. The second support frame is driven along a second optical axis by the first drive unit. The third support frame is driven along the second optical axis by the second drive unit. Part of a first movement region in which the second support frame moves overlaps a second movement region in which the third support frame moves. | 07-02-2009 |
| 20090168206 | LENS BARREL - A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens group, a first driving unit, a shutter unit, and an aperture unit. The first lens group has an overall negative refractive power, and includes a prism. The second support frame is driven along a second optical axis by the first driving unit. The shutter unit has a shutter mechanism, a shutter drive motor configured to drive the shutter mechanism, a neutral density filter, and a filter drive motor configured to drive the neutral density filter. The shutter drive motor and the filter drive motor are disposed flanking the second optical axis when viewed in a direction along the second optical axis. | 07-02-2009 |
| 20090243526 | DEVICE AND METHOD FOR DETECTING BACK ELECTROMOTIVE FORCE PHASE AND DEVICE AND METHOD FOR CONTROLLING EXCITATION - In a back electromotive force phase detecting device, a timing generating unit generates a timing signal indicating a start timing, an intermediate timing and an end timing of a 180-degree electrical angle period in a detection target phase, from an excitation pulse signal. A difference calculating unit receives the timing signal, and calculates a difference between a total PWM control period of the detection target phase during a first-half 90-degree period, and a total PWM control period of the detection target phase during a second-half 90-degree period. In an excitation control device, a control unit changes the capability of driving a motor based on an output of the back electromotive force phase detecting device. | 10-01-2009 |
| 20090244320 | IMAGING DEVICE, DISPLAY CONTROL DEVICE, AND DISPLAY DEVICE - In the case of reduced display of a shot image, the shot image is displayed in accordance with an attitude of an imaging device at the time of shooting, whereby it is possible to attain an easily viewable and convenient reduced image display regardless of a shooting attitude, and to display a vertically shot image at a reduction ratio which enables sufficient viewability. A display section ( | 10-01-2009 |
| 20090251564 | IMAGING DEVICE, DISPLAY CONTROL DEVICE, DISPLAY DEVICE, AND IMAGE DISPLAY SYSTEM - An imaging device which is capable of realizing an easily viewable thumbnail display is provided. The imaging device includes: an imaging optical system for forming an optical image of an object; an imaging sensor for receiving the optical image of the object formed by the imaging optical system, for converting the received optical image into an electrical image signal, and for outputting the electrical image signal; an attitude detection section for detecting an attitude of the imaging device at the time of shooting; an image recording section for interrelating and recording the outputted image signal and attitude information indicative of the detected attitude; a display section for displaying a reduced image based on the recorded image signal; a reception section for receiving a selection of the attitude information from a user; and an image display control section for changing a location and a display size of the reduced image on the display section in accordance with the selected attitude information. The image display control section restores an orientation of the reduced image so as to correspond to the attitude of the imaging device at the time of the shooting in accordance with the attitude information, and causes the display section to display the restored reduced image. | 10-08-2009 |
| 20090322927 | CAMERA - The present invention has an object in providing a camera with which further miniaturization is realized, in a camera having the bending optical system. A digital camera ( | 12-31-2009 |
| 20100171864 | OPTICAL ELEMENT DRIVING DEVICE AND IMAGING APPARATUS - A lens driving device includes a lens, a moving member that supports the lens, a stationary member that movably supports the moving member, a pitch drive mechanism that drives the moving member in the pitch correction direction, and a yaw drive mechanism that drives in the yaw correction direction. The pitch drive mechanism has first and second magnets provided to the stationary member, and first and second coils provided to the moving member. The yaw drive mechanism has a third magnet provided to the stationary member, and a third coil provided to the moving member. The first and second coils are arranged on opposite sides of the lens when viewed in a third direction that is perpendicular to the pitch and yaw correction directions, and the third coil is arranged on the same side as the first coil with respect to the lens when viewed in the third direction. | 07-08-2010 |
| 20100202068 | LENS BARREL STRUCTURE - A lens barrel structure includes a lens case structure, a first lens group, a movable lens group, and a movable support frame. The movable support frame includes a support frame main body and a first protruding part. The support frame main body includes a first end part that supports the moving lens group and extends in a direction substantially parallel to a first optical axis. The first protruding part is coupled to the first end part and extends in a direction substantially parallel to a second optical axis. The movable support frame is movable with respect to the lens case structure along the second optical axis. | 08-12-2010 |
| 20100277813 | LENS BARREL AND LENS SUPPORT STRUCTURE - A lens barrel is provided with which manufacturing costs can be reduced. The lens barrel ( | 11-04-2010 |
| 20100302408 | IMAGING DEVICE, DISPLAY CONTROL DEVICE, IMAGE DISPLAY SYSTEM AND IMAGING SYSTEM - Provided are an imaging device, a display control device, an image display system and an imaging system which are capable of recording images having various aspect ratios and of realizing an easily viewable and convenient thumbnail display. The imaging device includes: an imaging optical system; an imaging sensor for receiving optical images of objects, for switching the received optical images into electrical image signals, and for outputting the electrical image signals; an aspect ratio switching section for switching aspect ratios of shot images; an image recording section for interrelating and recording the image signals and aspect ratio information indicative of the aspect ratios; a display section for displaying reduced images; a specification section for receiving a specification made by a user with respect to the aspect ratio information of reduced images to be displayed on the display section; and an image display control section for determining a location and a display size of each of the reduced images on the display section, and the number of the reduced images displayed on the display section in accordance with the specified aspect ratio information. | 12-02-2010 |
| 20100302657 | LENS BARREL - A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens group, a first driving unit, a shutter unit, and an aperture unit. The first lens group has an overall negative refractive power, and includes a prism. The second support frame is driven along a second optical axis by the first driving unit. The shutter unit has a shutter mechanism, a shutter drive motor configured to drive the shutter mechanism, a neutral density filter, and a filter drive motor configured to drive the neutral density filter. The shutter drive motor and the filter drive motor are disposed flanking the second optical axis when viewed in a direction along the second optical axis. | 12-02-2010 |
| 20100309567 | LENS BARREL - A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens group, a first driving unit, a shutter unit, and an aperture unit. The first lens group has an overall negative refractive power, and includes a prism. The second support frame is driven along a second optical axis by the first driving unit. The shutter unit has a shutter mechanism, a shutter drive motor configured to drive the shutter mechanism, a neutral density filter, and a filter drive motor configured to drive the neutral density filter. The shutter drive motor and the filter drive motor are disposed flanking the second optical axis when viewed in a direction along the second optical axis. | 12-09-2010 |
| 20110044672 | OPTICAL ELEMENT DRIVING DEVICE AND IMAGING DEVICE - An optical element driving device is provided with at least one optical element, a moving member, a fixed member, a first actuator, a first detection element, a second actuator, and a second detection element. The first actuator has a first coil and a first magnet. The first detection element is substantially aligned in a first direction relative to the first coil to detect the position of the moving member in the first direction. The second actuator has a second coil and a second magnet. The second detection element is substantially aligned in the first direction relative to the second coil to detect the position of the moving member in a second direction. The optical element, the first actuator, and the second actuator are substantially aligned in the first direction. | 02-24-2011 |
| 20110075278 | LENS BARREL, IMAGE PICKUP DEVICE, AND LENS BARREL MANUFACTURING METHOD - A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets. | 03-31-2011 |
| 20110115975 | IMAGING DEVICE - To produce a subject's image on an imager as accurately as possible, a technique that is effectively applicable to the process of assembling an optical system is provided. | 05-19-2011 |
