Patents Assigned to Casio Computer
  • Liquid crystal display apparatus
    Patent number: 5042921
    Abstract: In order to effectively use light from a light source, the light from the light source is split into P-polarized light and S-polarized light by a splitter or the like. The split P-polarized light is directly incident on a liquid crystal display apparatus for displaying an image by using P-polarized light. The split S-polarized light is optically rotated by a wavelength plate or the like and converted into P-polarized light. This P-polarized light is also incident on the liquid crystal display apparatus. The liquid crystal display apparatus effectively utilizes the light from the light source and displays an image with high luminance.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: August 27, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Makoto Sato, Masahiro Ogawa, Tohru Nakakusu, Osamu Umeda
  • Selective paging system and paging receiver therefor
    Patent number: 5043718
    Abstract: Each pager includes a receiver for receiving a transmission signal including an address and a message from a base station, a frame register for holding the number of transmission frame assigned to the pager, a common frame register for holding the number of a transmission frame commonly used by a plurality of pagers assigned with a transmission frame different from the transmission frame assigned to the pager, address registers for holding a specific address number of the pager and an address number common to a plurality of pagers and a controller. The a controller switches on the receiver in a predetermined period including a plurality of frames stored in the frame register, comparators for comparing the address of the signal received by the receiver with the addresses stored in the address registers. A message decoder fetches a message when the comparator detects a coincidence.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: August 27, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Kazuhiro Shimura
  • Electronic still camera including photographing timing control
    Patent number: 5043816
    Abstract: An electronic still camera is equipped with a semiconductor memory in which a plurality of images photographed in a shutter standby condition are temporarily stored. An image taken when the shutter is depressed can be substituted with any image among the plural images which have been stored in the semiconductor memory. The image having the least blurring phenomenon among the plural images which have been stored in the semiconductor memory is detected and recorded on a non-volatile memory.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: August 27, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Harumi Nakano, Akihiro Tsukamoto
  • Electronic musical instrument with user-programmable tone generator modules
    Patent number: 5040448
    Abstract: An electronic material instrument includes a tone generator for synthesizing tones by using a number of time-division multiplexed (TDM) modules, an input unit for programming a connection configuration (tone synthesis algorithm) for the modules of each module pair, and a processing unit for converting the input program into control data for each module and transferring the control data to the tone generator. In one embodiment, each module pair is selectively operative in an addition mode, a phase mode or a ring modulation mode, independently of the modes selected for the other module pairs. It is thus possible to attain a tone synthesis desired by the user, and to make the best use of the capacity of the tone generator.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: August 20, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Akinori Matsubara, Kenichi Tsutsumi, Youji Kaneko, Takashi Akutsu, Naofumi Tateishi
  • Method of recording/reproducing data of mesh pattern, and apparatus therefor
    Patent number: 5042079
    Abstract: A data reading apparatus reads data of dots from a recording sheet on which data is recorded in the form of a mesh pattern, and decodes the read data into binary data. The data reading apparatus has an image sensor to read black/white levels of dots of the mesh pattern using the image sensor and to binarize the read levels by a hardware component or CPU processing according to software. An image can have a high recording density by minimizing a dot size.
    Type: Grant
    Filed: August 3, 1989
    Date of Patent: August 20, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Shigenori Morikawa, Takeshi Matsuoka, Hiroshi Chikakiyo
  • Electronic stringed instrument with fingering operating data memory system and navigate display device
    Patent number: 5040447
    Abstract: In an electronic stringed instrument, when a fingered string is plucked, the initiation of vibration of the plucked string is detected by a string vibration sensor to generate timing data representing the vibration initiation timing and number data representing the number of the string which is vibrated. Every time the timing data is obtained, pitch data, timing data and number data are respectively stored in the memory.
    Type: Grant
    Filed: February 7, 1990
    Date of Patent: August 20, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yoshiyuki Murata, Hajime Manabe
  • Method of manufacturing crystalline thin-film of rare-earth compounds
    Patent number: 5041200
    Abstract: Gd and Bi are used as sputter sources and are simultaneously sputtered, or sputtered alternately, each time in an amount for forming a layer having a thickness of 10 atoms or less, thereby forming a thin film on a substrate, in which Gd and Bi are mixed at a ratio of 4:3. The thin film is heat-treated to form a crystalline thin film having a phase represented by Gd.sub.4 Bi.sub.3.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: August 20, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Hiromitsu Ishii, Tsuneharu Takeda, Kyuya Baba, Ikuhiro Yamaguchi
  • Waveform generator for electronic musical instrument
    Patent number: 5038661
    Abstract: A plurality of waveforms are time-divisionally obtained from a waveform generator in one sampling period under the control of a controller. The sampling period is equally divided into a plurality of module periods. Each module period is also divided to correspond to the number of waves which are obtained time-divisionally. The waveform generator includes a selector which uses waveform data produced in a preceding module in the sampling period as that for waveform generation in the following module.
    Type: Grant
    Filed: January 5, 1989
    Date of Patent: August 13, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yoji Kaneko
  • Automatic exposure control system for electronic camera
    Patent number: 5040072
    Abstract: In an electronic still camera employing a CCD, an automatic exposure control and an automatic focusing control are carried out by utilizing an image signal derived from CCD to photograph a subject. A liquid crystal display unit is provided within a viewfinder. A designation is performed on a subject image to be automatically controlled for the exposure and focusing operations by utilizing a frame displayed on the liquid crystal display unit. The automatic exposure control and automatic focusing control are executed with respect to the subject positioned within the frame displayed on the liquid crystal display unit.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: August 13, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Akio Tsuji, Hideki Ohmori
  • Electronic apparatus and a method for manufacturing the same
    Patent number: 5038251
    Abstract: A thin electronic calculator having a circuit board unit in which an IC pellet is directly mounted on a film board and allowing easy mass-production is provided. Metal foil leads each having one end and the other end radially extending from the one end and having a larger width than the one end are formed on the film board. The IC pellet is bonded to one end portions of the metal foil leads through bump electrodes. The circuit board unit is fixed to a wiring board by an anisotropically electrical conductive adhesive. The other end of each metal foil lead is electrically connected to a corresponding connecting terminal formed on the wiring board. An electronic component assembly constituted by the circuit board unit and the wiring board is received in upper and lower covers, and is adhered by adhesive islands deposited on the covers.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: August 6, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yoshinobu Sugiyama, Shohei Sawada, Takashi Hinooka, Kaoru Yoshida
  • Sense amplifier circuit using then film transistors
    Patent number: 5036231
    Abstract: A sense amplifier circuit includes an amplifier including first and second inverter circuits which each have a pair of thin film transistors and are connected in a cross-coupled configuration, a precharging thin film transistor connected between the first and second inverter circuits, input transfer gates respectively connected between the first and second inverter circuits and first and second input terminals, and output transfer gate respectively connected between the first and second inverter circuits and first and second input terminals. With the above construction, the precharging thin film transistor is made active to precharge the amplifier and then the transfer gates are operated to permit an input signal to be input to the amplifier, thereby causing the input signal to be discriminated between two values and amplified.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: July 30, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Minoru Kanbara
  • Fingerboard and neck for electronic musical instrument
    Patent number: 5033351
    Abstract: A fingerboard and a neck for an electronic musical instrument according to the present invention are used for an electronic musical instrument, such as an electronic guitar, an electronic violin, and a guitar synthesizer. A flexible sheet made of a slippery material is formed on the upper surface of a fingerboard incorporating a plurality of pitch designating means so as to allow smooth and quick fingering. A plurality of frets are formed on the upper surface of the flexible sheet so as to partition the pitch designating means.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: July 23, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yoshio Nomura
  • Projector
    Patent number: 5032022
    Abstract: A projecting apparatus having a first projecting system for projecting an object to be projected to form an intermediate image, and a second projecting system for projecting the intermediate image formed by the first projecting system onto a screen. The first projecting system is adapted to distort the image of the object, and the second projecting system is adapted to correct the distorted image to project an enlarged image analogous to the object onto the screen.
    Type: Grant
    Filed: September 14, 1989
    Date of Patent: July 16, 1991
    Assignees: Casio Computer Co., Ltd., Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Makoto Sato, Kazushi Yoshida
  • Electronic still camera
    Patent number: 5032930
    Abstract: An electronic still camera includes a section for converting an optical image, formed by an optical system, into electronic image signals by, and for recording the electronic image signals on a recording medium such as a magnetic disk, and a section for reproducing image data recorded on the recording medium and producing a composite video signal. The composite video signal is connected to a video terminal of a home television receiver through a cable, and reproduced and displayed on it.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: July 16, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Hiroyuki Suetaka, Shigeki Kurahashi
  • Thin film transistor and method of manufacturing the same
    Patent number: 5032883
    Abstract: A TFT of the present invention includes a transparent insulative substrate, a gate electrode formed on the substrate, a gate insulating film formed on at least the gate electrode, a semiconductor film formed at a position on the gate insulating film corresponding to the gate electrode, source and drain electrodes arranged on the semiconductor film so as to form a channel portion, a transparent insulating film covering the source and drain electrodes and the semiconductor film, and a transparent electrode connected to the source electrode. A through hole is formed in the transparent insulating film above the source electrode. The transparent electrode is formed on a portion of the transparent insulating film except for a portion above the channel portion on the semiconductor film.
    Type: Grant
    Filed: September 7, 1988
    Date of Patent: July 16, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Haruo Wakai, Nobuyuki Yamamura, Syunichi Sato, Minoru Kanbara
  • Combined video tape recorder and television set
    Patent number: D318049
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: July 9, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Asao Sasaki, Terumi Ihara
  • Hand held electronic copying machine
    Patent number: D318291
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: July 16, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yuichi Ohnumata
  • Electronic music keyboard
    Patent number: D318480
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: July 23, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yoshitaka Naito
  • Electronic music keyboard
    Patent number: D318482
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: July 23, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Masaki Koide, Yumiko Ohashi
  • Electronic saxhorn
    Patent number: D319455
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: August 27, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Tatsuo Katsuhara