1
Masayuki Katagiri, Masanori Watanabe, Kazutaka Uda, Masaya Hijikigawa, Shuhei Tsuchimoto, Yasuhiko Inami: Variable interferometric device and a process for the production of the same. 501 Sharp Kabushiki Kaisha, Irell & Manella, August 22, 1989: US04859060 (373 worldwide citation)

A variable interferometric device comprising a Fabry-Perot interferometer composed of a pair of reflecting substances facing each other with a space therebetween formed by spacers and a means for deforming at least one of the reflecting substances constituting said Fabry-Perot interferometer to ther ...


2
Hitoshi Nohno, Masayuki Katagiri, Kiyohiro Nozaki, Kengo Takahama, Hiroyuki Iwahashi: Coordinate input device and display-integrated type coordinate input device capable of directly detecting electrostatic coupling capacitance with high accuracy. Sharp Kabushiki Kaisha, May 29, 2001: US06239788 (190 worldwide citation)

In a coordinate detection period, a first electrode drive circuit sequentially selects source electrodes Sn of the TFT LCD panel to connect the same to an x-signal current amplifying circuit, and to apply an AC voltage to the non-selected electrodes. The x-signal current amplifying circuit detects a ...


3
Yoshiji Fujimoto, Masayuki Katagiri, Naoyuki Fukuda, Kenji Sakamoto: Fingerprint input apparatus. Sharp Kabushiki Kaisha, Nixon & Vanderhye, January 5, 1993: US05177802 (132 worldwide citation)

A fingerprint input apparatus is constructed to have simple construction. It serves to provide an excellen S/N ratio and reliably input a fingerprint pattern. The fingerprint input apparatus includes a light source for emitting a ray of light, a lightguide plate having a predetermined location at wh ...


4
Toshio Nomura, Masayuki Katagiri, Noritoshi Kako: Three-dimensional display unit with a variable lens. Sharp Kabushiki Kaisha, David G Conlin, Milton Oliver, February 20, 1996: US05493427 (115 worldwide citation)

A three-dimensional display unit has a liquid crystal panel for simultaneously displaying a plurality of different parallax images and an optical characteristic variable lens attached to the liquid crystal panel. The optical characteristic variable lens is formed by an array of cylindrical lenses su ...


5
Masayuki Katagiri, Takao Tagawa, Noritoshi Kako: Image input device-integrated type display device. Sharp Kabushiki Kaisha, David G Conlin, Robert F O Connell, July 4, 1995: US05430462 (53 worldwide citation)

There is provided an image input device-integrated type display device concurrently having an image display function, a document image input function, and a pen input function. A common electrode of the image input device-integrated type display unit is formed on a glass plate. A segment electrode i ...


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Toshio Nomura, Masayuki Katagiri, Keisuke Iwasaki, Noritoshi Kako: Three-dimensional display apparatus with a wide viewing angle and increased resolution. Sharp Kabushiki Kaisha, David G Conlin, Dike Bronstein Roberts & Cushman, September 7, 1999: US05949390 (43 worldwide citation)

A three-dimensional display apparatus includes a liquid crystal panel 1 for displaying a discrete Fourier transformed image and a slit panel 2 having a convex lens function in a horizontal direction and a plurality of slits 3 arranged in a zig-zag manner, which is disposed in front of the liquid cry ...


8
Masayuki Katagiri, Noritoshi Kako, Yoji Noguchi: Image processing apparatus employing a spatial light modulator. Sharp Kabushiki Kaisha, Nixon & Vanderhye, July 5, 1994: US05327263 (37 worldwide citation)

An image processing apparatus comprises a liquid modulator having a photoconductive material including an image-writing plane, a liquid crystal layer laminated on the photoconductive material, a pair of electrodes sandwiching the photoconductive material and the liquid crystal layer, and a spacer in ...


9
Takao Tagawa, Masayuki Katagiri, Hitoshi Nohno: Portable projection display apparatus. Sharp Kabushiki Kaisha, April 14, 1998: US05738429 (32 worldwide citation)

The present projection display apparatus includes an illumination source, an LCD panel including a polarizing plate, a light projecting and receiving combinational lens, a screen, a light pen, a detection-use polarizing plate, a CCD, and a control circuit for controlling an operation of the LCD pane ...


10
Toshio Nomura, Masayuki Katagiri, Noritoshi Kako: Three-dimensional information reproducing apparatus. Sharp Kabushiki Kaisha, David G Conlin, Kevin J Fournier, May 21, 1996: US05519533 (28 worldwide citation)

There is reproduced a three-dimensional image in which there is no dimness or no cross talk and which is light and high in resolution, by a three-dimensional information reproducing apparatus comprising a liquid crystal panel for displaying a discrete Fourier transform image, a light source array wh ...