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    • 2. 发明专利
    • SUBJECTIVE OPHTHALMOSCOPE
    • JPH1156779A
    • 1999-03-02
    • JP17390298
    • 1998-06-05
    • NIKON CORP
    • MIYAKE NOBUYUKIMOROHASHI KAZUOGONDA TSUNEMI
    • A61B3/028A61B3/02
    • PROBLEM TO BE SOLVED: To improve operability of an ophthalmoscope, by providing a display means to display the degree of a lens of a designated optical element and to display the optical element discriminating from the not-designated optical element and placing the display means on an operation panel on which eight and left lens rooms are separated. SOLUTION: On an operation panel 52 other than a lens room, a button group 56 for setting spherical degree (SPH), astigmatism degree (CYL), and axis (AX) is mounted as well as a designating buttons 57 to designate a right or left eye. To designate, for instance, the right eye, a button RIGHT for the right eye is pressed before pressing SPH in the button group 56. Selecting + or - is inputted by signal buttons and the degree by number keys, and an IN button is pressed. A control device converts the designated degree, discriminates right or left, and inputs those data into a pulse motor in the designated lens room. Thus the lens can be operated without watching the lens room and the operability can be improved.
    • 3. 发明专利
    • SELF-AWARENESS TYPE OPTOMETRIC DEVICE
    • JPH08317899A
    • 1996-12-03
    • JP6822196
    • 1996-03-25
    • NIKON CORP
    • MOROHASHI KAZUOMIYAKE NOBUYUKIGONDA TSUNEMI
    • A61B3/028
    • PURPOSE: To provide a small device having good operability by providing a driving means inversion-driving or equivalence (equivalent to inversion)-driving a cross cylinder member on the optical axis of an eye to be examined between the first and second states, and selecting either one of the states with a selecting means. CONSTITUTION: A display panel of spherical surface degrees, astigmatism degrees, and astigmatism axis is provided on a lens chamber, various lenses in the lens chamber are switched by pulse motors, the pulse motors are rotated by a control device, and the proper information is inputted to an operation panel. The frames 23, 24 of a cross cylinder comprising two cylindrical lenses 23', 24' respectively having positive and negative degrees equal in the absolute value are rotated by pulse motors 230, 240 via gears 26, 28, 26' 28'. A shielding plate 35 fixed to the large gears 28, 28' shields the optical paths of the photo- couplers 37, 37' of a fitting plate 36, and the initial position signal is obtained to set the initial position for rotating the frames 23, 24.
    • 4. 发明专利
    • OPHTHALMOMETER DEVICE
    • JPH0866361A
    • 1996-03-12
    • JP533595
    • 1995-01-17
    • NIKON CORP
    • MOROHASHI KAZUOMIYAKE NOBUYUKIGONDA TSUNEMI
    • A61B3/028
    • PURPOSE: To provide an ophthalmometer device of high operability by arranging a Stokes cross-cylinder, a spherical lens group and each motor-driven rotation device therefor within the visual field window of a device body and controlling each rotation device under the prescribed correlation. CONSTITUTION: When the power switch 53 of an operation panel 52 is turned on, a control device drives each of pulse motors 220 and 240, and initializes a Rekoss plate 14, lens retaining plates 15, 16 and 22, and cylindrical lenses 23' and 24' respectively. In setting the prescribed astigmatic degree for a right eye, for example, the RIGHT button of a button pair 57 for both right and left eyes, and the astigmatic degree setting CYL button of a button group 56 are pressed. In addition, signal buttons and numerical keys are operated to enter the astigmatic degree. An IN button is thereafter pressed. Then, the control device calculates the pulse number of the pulse motor 220 as well as the spherical degrees of spherical lenses 15', 16' and 22' respectively, so as to attain the prescribed angle of a cross-cylinder, and inserts the required lens in a visual field window 1.