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US 6,888,590 B1Granted
Optical elements (such as vari focal lens component, vari-focal diffractive optical element and variable declination prism) and electronic image pickup unit using optical elements
AssigneeOlympus Optical Co., Ltd.
InventorsKimihiko Nishioka, Koji Ishizaki, Masahiro Kaburaki
Life of this patent
Estimating the term…
Abstract
An optical element which is capable of varying an optical characteristic thereof using a polymer dispersive liquid crystal and usable as a vari-focal lens element, a vari-focal diffractive optical element, a variable declination prism or the like.
Claims25
An optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and an optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- and
- a memory configured to store said output signal.
3 more elements
An optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and an optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- a memory configured to store said output signal;
- and
- a view finder function for determining an image pickup range.
4 more elements
An optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and a reflective type optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- a memory configured to store said output signal;
- and
- a finder function for determining an image pickup range.
4 more elements
An optical apparatus comprising:
- an optical system comprising a reflective type optical element which has an optical surface having no axis of rotational symmetry and has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- a memory configured to store said output signal;
- and
- a finder function for determining an image pickup range.
4 more elements
An optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and an oblique incidence type reflective optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display device constructed and arranged to display an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- a memory configured to store said output signal;
- and
- a finder function for determining an image pickup range.
4 more elements
An optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and a folded optical axis;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- a memory configured to store said output signal;
- and
- a finder function for determining an image pickup range.
4 more elements
An optical apparatus to be manufactured by lithography comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and an optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- a memory configured to store said output signal;
- and
- a finder function for determining an image pickup range.
4 more elements
An optical apparatus having a telephone function, said optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and an optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- and
- a memory configured to store said output signal.
3 more elements
An optical apparatus having a telephone function, said optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and a reflective type optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- and
- a memory configured to store said output signal.
3 more elements
An optical apparatus having a telephone function, said optical apparatus comprising:
- an optical system comprising a reflective type optical element which has an optical surface having no axis of rotational symmetry and has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- and
- a memory configured to store said output signal.
3 more elements
An optical apparatus having a telephone function, said optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and an oblique incidence type reflective optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- and
- a memory configured to store said output signal.
3 more elements
An optical apparatus having a telephone function, said optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and a folded optical axis;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- and
- a memory configured to store said output signal.
3 more elements
An optical apparatus having a telephone function, said optical apparatus comprising:
- an optical system comprising an optical surface which has no axis of rotational symmetry and an optical element which has a variable optical characteristic;
- an image pickup device constructed and arranged to pick up an image formed by said optical system;
- a display function for displaying an image which is picked up;
- a microprocessor configured to process an output signal from said image pickup device;
- and
- a memory configured to store said output signal.
3 more elements
Dependencies are inferred from the claim text.