Semiconductor acceleration sensor
First Claim
Patent Images
1. A method for detecting and processing a specular image density level X1 and a highlight image density level X2 in an illuminated scene comprising:
- exposing a photo-sensitive means by a luminous image from said scene, thereby generating a plurality of digital image signals, each said digital image signal representing a density of a portion of said luminous image;
establishing a cumulative histogram for the image density levels of said digital image signals;
providing a reference specular cumulative frequency Y1 ;
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Abstract
A semiconductor acceleration sensor comprises a base having a first surface for receiving an acceleration force and a second surface disposed generally perpendicular to the first surface. A first detector is disposed on the second surface of the base for detecting an acceleration force in a horizontal direction of the base. A second detector is disposed on the second surface of the base for detecting an acceleration force in a vertical direction of the base. A support member is connected to one end of the base for supporting and fixing the base.
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Citations
18 Claims
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1. A method for detecting and processing a specular image density level X1 and a highlight image density level X2 in an illuminated scene comprising:
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exposing a photo-sensitive means by a luminous image from said scene, thereby generating a plurality of digital image signals, each said digital image signal representing a density of a portion of said luminous image; establishing a cumulative histogram for the image density levels of said digital image signals; providing a reference specular cumulative frequency Y1 ; - View Dependent Claims (2, 3, 4, 5)
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6. A semiconductor acceleration sensor comprising:
- a base having a first surface for receiving an acceleration force and a second surface disposed generally perpendicular to the first surface;
first detecting means disposed on the second surface of the base for detecting an acceleration force in a horizontal direction;
second detecting means disposed on the second surface of the base for detecting an acceleration force in a vertical direction; and
a support member for supporting and fixing one end of the base. - View Dependent Claims (7, 8, 9, 10)
- a base having a first surface for receiving an acceleration force and a second surface disposed generally perpendicular to the first surface;
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11. A semiconductor acceleration sensor comprising:
- a base having a first surface and a second surface disposed generally perpendicular to the first surface;
a detecting section disposed on the second surface of the base for detecting an acceleration force in a horizontal direction and detecting an acceleration force in a vertical direction; and
a support member connected to a portion of the first surface of the base for supporting and fixing one end of the base. - View Dependent Claims (12)
- a base having a first surface and a second surface disposed generally perpendicular to the first surface;
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13. A semiconductor acceleration sensor comprising:
- a base having a first surface and a second surface for receiving an acceleration force and disposed generally perpendicular to the first surface;
a detecting section disposed on the second surface of the base, the detecting section having a first detector for detecting an acceleration force in a horizontal direction and a second detector for detecting an acceleration in a vertical direction; and
a support member connected to a portion of the first surface of the base for supporting and fixing one end of the base. - View Dependent Claims (14)
- a base having a first surface and a second surface for receiving an acceleration force and disposed generally perpendicular to the first surface;
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15. A semiconductor acceleration sensor comprising:
- a base having first surfaces for receiving an acceleration force an a second surface disposed generally perpendicular to the first surfaces;
a detecting section disposed on the second surface of the base, the detecting section having a first detector for detecting an acceleration in a horizontal direction and a second detector for detecting an acceleration in a vertical direction; and
a support member connected to a portion of the first surfaces for supporting and fixing one end of the base.
- a base having first surfaces for receiving an acceleration force an a second surface disposed generally perpendicular to the first surfaces;
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16. A semiconductor acceleration sensor comprising:
- a semiconductor substrate having a first surface for receiving an acceleration force and a pair of second opposite surfaces disposed generally perpendicular to the first surface, each of the second opposite surfaces having a detecting section for detecting a variation of a physical quantity in two axial directions of the semiconductor substrate due to the acceleration force applied to the first surface; and
a support for supporting and fixing the semiconductor substrate. - View Dependent Claims (17, 18)
- a semiconductor substrate having a first surface for receiving an acceleration force and a pair of second opposite surfaces disposed generally perpendicular to the first surface, each of the second opposite surfaces having a detecting section for detecting a variation of a physical quantity in two axial directions of the semiconductor substrate due to the acceleration force applied to the first surface; and
Specification