Patents by Inventor Masaharu Hamasaki
Masaharu Hamasaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9127671Abstract: An oil pump includes: an inner rotor rotatable with a drive shaft in a unified manner on a drive-rotation axis; an outer rotor which has inner teeth configured to engage with outer teeth of the inner rotor and is rotatable about a driven axis eccentric to the drive-rotation axis; and an adjustment ring for rotatably supporting the outer rotor. A guide means which allows the adjustment ring to rotate about the driven axis, while allowing the driven axis to revolve about the drive-rotation axis, is formed of: first and second arm portions provided on the adjustment ring; and first and second guide faces with which the first and second arm portions are brought into slidable contact.Type: GrantFiled: July 22, 2009Date of Patent: September 8, 2015Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Hisashi Ono, Masaharu Hamasaki, Yuki Nishida, Koji Nunami, Shinji Kazaoka
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Patent number: 7944495Abstract: In a case where a thinning operation is implemented at the point when signal charges are read out from each of pixels to thin out pixel information by lines (row), the thinning may be performed only in the vertical direction, but not in the horizontal direction. In an all-pixel-read-out type CCD image pickup element, a discharge controlling section is provided in each of VH transfer stage sections transferring signal charges from vertical CCDs to a horizontal CCD, and where a thinning mode is selected, among those signal charges transferred from a plurality of the vertical CCDs, those of a given set of columns are stopped and discharged at the respective discharge controlling sections, and those of the rest of columns are transferred to the horizontal CCD, and at the same time, those of a given set of lines (rows) are stopped and discharged for all columns, thereby performing the thinning operation over the pixel information in both the vertical and horizontal directions at the VH transfer stage.Type: GrantFiled: September 19, 2007Date of Patent: May 17, 2011Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Publication number: 20110014078Abstract: An oil pump includes: an inner rotor rotatable with a drive shaft in a unified manner on a drive-rotation axis; an outer rotor which has inner teeth configured to engage with outer teeth of the inner rotor and is rotatable about a driven axis eccentric to the drive-rotation axis; and an adjustment ring for rotatably supporting the outer rotor. A guide means which allows the adjustment ring to rotate about the driven axis, while allowing the driven axis to revolve about the drive-rotation axis, is formed of: first and second arm portions provided on the adjustment ring; and first and second guide faces with which the first and second arm portions are brought into slidable contact.Type: ApplicationFiled: July 22, 2009Publication date: January 20, 2011Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Hisashi Ono, Masaharu Hamasaki, Yuki Nishida, Koji Nunami, Shinji Kazaoka
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Publication number: 20100238340Abstract: In a case where a thinning operation is implemented at the point when signal charges are read out from each of pixels to thin out pixel information by lines (row), the thinning may be performed only in the vertical direction, but not in the horizontal direction. In an all-pixel-read-out type CCD image pickup element, a discharge controlling section is provided in each of VH transfer stage sections transferring signal charges from vertical CCDs to a horizontal CCD, and where a thinning mode is selected, among those signal charges transferred from a plurality of the vertical CCDs, those of a given set of columns are stopped and discharged at the respective discharge controlling sections, and those of the rest of columns are transferred to the horizontal CCD, and at the same time, those of a given set of lines (rows) are stopped and discharged for all columns, thereby performing the thinning operation over the pixel information in both the vertical and horizontal directions at the VH transfer stage.Type: ApplicationFiled: June 7, 2010Publication date: September 23, 2010Applicant: Sony CorporationInventor: Masaharu Hamasaki
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Publication number: 20080018759Abstract: In a case where a thinning operation is implemented at the point when signal charges are read out from each of pixels to thin out pixel information by lines (row), the thinning may be performed only in the vertical direction, but not in the horizontal direction. In an all-pixel-read-out type CCD image pickup element, a discharge controlling section is provided in each of VH transfer stage sections transferring signal charges from vertical CCDs to a horizontal CCD, and where a thinning mode is selected, among those signal charges transferred from a plurality of the vertical CCDs, those of a given set of columns are stopped and discharged at the respective discharge controlling sections, and those of the rest of columns are transferred to the horizontal CCD, and at the same time, those of a given set of lines (rows) are stopped and discharged for all columns, thereby performing the thinning operation over the pixel information in both the vertical and horizontal directions at the VH transfer stage.Type: ApplicationFiled: September 19, 2007Publication date: January 24, 2008Inventor: Masaharu Hamasaki
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Patent number: 7315330Abstract: In a case where a thinning operation is implemented at the point when signal charges are read out from each of pixels to thin out pixel information by lines (row), the thinning may be performed only in the vertical direction, but not in the horizontal direction. In an all-pixel-read-out type CCD image pickup element, a discharge controlling section is provided in each of VH transfer stage sections transferring signal charges from vertical CCDs to a horizontal CCD, and where a thinning mode is selected, among those signal charges transferred from a plurality of the vertical CCDs, those of a given set of columns are stopped and discharged at the respective discharge controlling sections, and those of the rest of columns are transferred to the horizontal CCD, and at the same time, those of a given set of lines (rows) are stopped and discharged for all columns, thereby performing the thinning operation over the pixel information in both the vertical and horizontal directions at the VH transfer stage.Type: GrantFiled: June 23, 2005Date of Patent: January 1, 2008Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 6967685Abstract: In a case where a thinning operation is implemented at the point when signal charges are read out from each of pixels to thin out pixel information by lines (row), the thinning may be performed only in the vertical direction, but not in the horizontal direction. In an all-pixel-read-out type CCD image pickup element, a discharge controlling section is provided in each of VH transfer stage sections transferring signal charges from vertical CCDs to a horizontal CCD, and where a thinning mode is selected, among those signal charges transferred from a plurality of the vertical CCDs, those of a given set of columns are stopped and discharged at the respective discharge controlling sections, and those of the rest of columns are transferred to the horizontal CCD, and at the same time, those of a given set of lines (rows) are stopped and discharged for all columns, thereby performing the thinning operation over the pixel information in both the vertical and horizontal directions at the VH transfer stage.Type: GrantFiled: February 23, 2001Date of Patent: November 22, 2005Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Publication number: 20050237409Abstract: In a case where a thinning operation is implemented at the point when signal charges are read out from each of pixels to thin out pixel information by lines (row), the thinning may be performed only in the vertical direction, but not in the horizontal direction. In an all-pixel-read-out type CCD image pickup element, a discharge controlling section is provided in each of VH transfer stage sections transferring signal charges from vertical CCDs to a horizontal CCD, and where a thinning mode is selected, among those signal charges transferred from a plurality of the vertical CCDs, those of a given set of columns are stopped and discharged at the respective discharge controlling sections, and those of the rest of columns are transferred to the horizontal CCD, and at the same time, those of a given set of lines (rows) are stopped and discharged for all columns, thereby performing the thinning operation over the pixel information in both the vertical and horizontal directions at the VH transfer stage.Type: ApplicationFiled: June 23, 2005Publication date: October 27, 2005Inventor: Masaharu Hamasaki
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Patent number: 6400404Abstract: Control gate sections capable of prohibiting transfer from vertical CCDs to a horizontal CCD of signal charges generated in selected regions of an imaging area in the horizontal direction are provided between the vertical CCDs to the horizontal CCD. This configuration allows reading of signal charges only in a particular region in the horizontal direction. As a result, high-speed imaging can be realized without increasing the drive frequency.Type: GrantFiled: July 11, 1997Date of Patent: June 4, 2002Assignee: Sony CorporationInventors: Isao Hirota, Masaharu Hamasaki
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Publication number: 20010043275Abstract: Control gate sections capable of prohibiting transfer from vertical CCDs to a horizontal CCD of signal charges generated in selected regions of an imaging area in the horizontal direction are provided between the vertical CCDs to the horizontal CCD. This configuration allows reading of signal charges only in a particular region in the horizontal direction. As a result, high-speed imaging can be realized without increasing the drive frequency.Type: ApplicationFiled: July 11, 1997Publication date: November 22, 2001Inventors: ISAO HIROTA, MASAHARU HAMASAKI
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Publication number: 20010038095Abstract: In a case where a thinning operation is implemented at the point when signal charges are read out from each of pixels to thin out pixel information by lines (row), the thinning may be performed only in the vertical direction, but not in the horizontal direction. In an all-pixel-read-out type CCD image pickup element, a discharge controlling section is provided in each of VH transfer stage sections transferring signal charges from vertical CCDs to a horizontal CCD, and where a thinning mode is selected, among those signal charges transferred from a plurality of the vertical CCDs, those of a given set of columns are stopped and discharged at the respective discharge controlling sections, and those of the rest of columns are transferred to the horizontal CCD, and at the same time, those of a given set of lines (rows) are stopped and discharged for all columns, thereby performing the thinning operation over the pixel information in both the vertical and horizontal directions at the VH transfer stage.Type: ApplicationFiled: February 23, 2001Publication date: November 8, 2001Inventor: Masaharu Hamasaki
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Patent number: 6274401Abstract: The present invention is directed to a method of manufacturing a semiconductor device in which ion implantation of impurities is carried out at energy of 0.7 to 16 MeV and the impurities are diffused by heat treatment during a period in which a diffusion time calculated in terms of 1100° C. is within 10 hours to thereby form wells. Therefore, a heat treatment time for forming wells of semiconductor devices such as CCD, CMOSIC or the like can be reduced.Type: GrantFiled: August 11, 1994Date of Patent: August 14, 2001Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 5990952Abstract: A method driving for a solid-state image pickup device in which it is possible to achieve a high dynamic range readout without causing unnaturalness in the reproduced picture particularly even when filming a subject moving at high speed. Primary signal charges are generated by adjacent first and second pixels and are subsequently mixed in the vertical transfer register. Auxiliary signal charges are also generated in adjacent first and second pixels, and, generation of the primary signal charge for the second pixel occurs prior to generation of the auxiliary signal charge of the first pixel.Type: GrantFiled: June 3, 1996Date of Patent: November 23, 1999Inventor: Masaharu Hamasaki
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Patent number: 5977576Abstract: In an image sensor 1 wherein an N.sup.+ -type impurity layer 13 to become a light-receiving part of a first conductive type is formed in a well layer 12 of a second conductive type (P-type) provided in a semiconductor substrate 11 of the first conductive type (N-type), an N.sup.- -type impurity layer 14 whose impurity concentration is lower than that of the N.sup.+ -type impurity layer 13 and connected to the lower side of the N.sup.+ -type impurity layer 13 is provided between the N.sup.+ -type impurity layer 13 and the P-type well layer 12. Alternatively, a P-type impurity layer (not shown) whose impurity concentration is lower than that of the P-type well layer 12 and joining with the lower side of the N.sup.+ -type impurity layer 13 may be provided.Type: GrantFiled: February 20, 1997Date of Patent: November 2, 1999Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 5821750Abstract: A plurality (e.g., an odd number) of CCD shift registers are provided in parallel, and a channel stop separates between the respective adjacent CCD shift registers and is partially cut out in order to make it possible for a carrier which passes through the CCD shift registers to move toward the side portion. Carrier (electrons) supplied from an input section to the center CCD shift register are measured at the outputs of the other CCD shift registers, and the intensity (the magnetic-flux density) of the magnetic field is determined on the basis of the absolute value thereof, and the direction of the lines of magnetic force is determined on the basis of whether the difference is positive or negative.Type: GrantFiled: September 9, 1996Date of Patent: October 13, 1998Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 5793423Abstract: The present invention is directed to a solid state image sensing device of an amplifying type which can increase a switching speed during the horizontal scanning by making an output circuit low in impedance. In the output circuit of this amplifying type solid state image sensing device, the FET of source-follower configuration functions as a buffer and a horizontal gate switch. A first switching means is coupled between an output terminal of a capacitor connected to each vertical signal line and the gate electrode of the FET and a second switching means is coupled between the gate electrode of the FET and a reference potential point, respectively, whereby an output resistance and a load capacitance of the output circuit are reduced to enable the output circuit to become low in output impedance.Type: GrantFiled: June 29, 1995Date of Patent: August 11, 1998Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 5420631Abstract: A solid state imaging device includes an image sensor having a two-dimensional matrix of picture elements. A first vertical scanning circuit provides a first vertical scanning signal, while a second vertical scanning circuit provides second and third vertical scanning signals. A switching circuit is coupled with horizonal lines of picture elements in the image sensor on one vertical side of the two-dimensional matrix and serves to switch either the first vertical scanning signal from the first vertical scanning circuit to the horizontal lines of picture elements, or in the alternative, the second and third vertical scanning signals from the second vertical scanning circuit thereto. When selected by the switching circuit, the first vertical scanning signal reads the picture elements in a respective horizontal line and a horizontal scanning circuit scans the picture elements in the selected horizontal line to read image signals from these picture elements.Type: GrantFiled: April 28, 1993Date of Patent: May 30, 1995Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 5410348Abstract: The present invention is directed to a solid state image sensor in which one horizontal line from an image sensor section is selected as a line in which a signal is read out from a pixel, a signal is read out to a vertical signal line by a vertical scanning in which selected horizontal lines are sequentially switched, and pixel the signal of the horizontal line, processed in a correlation double sampling fashion, is read out to a horizontal signal line in a constant order. This solid state image sensor has an electronic shutter function includes an electronic shutter scanning means for resetting a horizontal line spaced apart from a horizontal line currently read out by a shutter time in the vertical scanning direction.Type: GrantFiled: February 11, 1993Date of Patent: April 25, 1995Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 5379068Abstract: Solid state imaging devices include an image sensor having a two-dimensional matrix of picture elements arranged horizontally and vertically. A vertical scanning circuit selects horizontal lines of picture elements within the two-dimensional matrix in a predetermined order for reading the picture elements. A horizontal scanning circuit coupled with a plurality of vertical lines joining vertically spaced ones of the picture elements serves to select picture elements in the horizontal lines selected by the vertical scanning circuit to output image signals therefrom. The horizontal scanning circuit is operative to scan the picture elements of the selected horizontal lines through one side of the two-dimensional matrix in a first horizontal direction to output a normal image signal.Type: GrantFiled: April 28, 1993Date of Patent: January 3, 1995Assignee: Sony CorporationInventor: Masaharu Hamasaki
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Patent number: 5335008Abstract: The present invention is directed to a CCD image sensing device in which an amplifying transistor for amplifying a photoelectrically-converted signal charge and outputting the amplified signal charge to a vertical signal line is provided at every pixel of a plurality of pixels arrayed in a two-dimensional fashion and a load transistor is connected to each of the vertical signal lines, in which the load transistor is composed of a first field effect transistor having a constant current characteristic and a second field effect transistor acting as a negative feedback resistor function connected in series.Type: GrantFiled: March 9, 1992Date of Patent: August 2, 1994Assignee: Sony CorporationInventor: Masaharu Hamasaki