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US 5,517,329 AGranted
Contact-type image sensor having an adhesive elastic layer therein
AssigneeCanon Kabushiki Kaisha
InventorHaruo Ishizuka
Life of this patent
Estimating the term…
Abstract
A contact-type image sensor having an adhesive elastic layer therein includes a protective member including a light transmitting area. An illumination device is provided for illuminating an original, bearing image information thereon, through the protective member. A photosensor device is provided for reading the image information, and imaging structure is provided for focusing light reflected from the original onto the photosensor device. Support structure is provided for integrally supporting the illumination device, the photosensor device, and the imaging structure. An elastic adhesive layer is provided on a contact surface between the protective member and the support structure. The elastic adhesive layer joins the protective member and the support structure.
Claims45
A contact image sensor comprising:
- a protective member including a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device;
- support means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- and
- an elastic adhesive member for joining together said protective member and said support means, said elastic adhesive member having an elasticity permitting an amount of deformation of at least 0.016 mm per 1 cm of the longitudinal length thereof.
4 more elements
An information processing apparatus comprising:
- a contact image sensor including a protective member having a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device, wherein an elastic adhesive member is provided for joining together said protective member and said support means, said elastic adhesive member having an elasticity permitting an amount of deformation of at least 0.016 mm per 1 cm of the longitudinal length thereof;
- original support means for supporting said original at a reading position;
- sensor driver means for driving said contact image sensor;
- and
- sensor support means for supporting said contact image sensor in a fixed or a movable manner.
5 more elements
A contact image sensor comprising:
- a protective member including a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device;
- and
- support means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- wherein a part of said protective member other than an image reading face thereof is joined to said support means with a first adhesive, while at least an end portion of said protective member other than the image reading face thereof is joined to a lateral plate mounted on an end portion of said support means with said first adhesive, said first adhesive being discontinuous at least between the part and the end portion of said protective member, and wherein said lateral plate has elasticity at least in a direction for absorbing displacement of said protective member in a direction connecting said part of said protective member and said end portion of said support means.
4 more elements
An information processing apparatus comprising:
- a contact image sensor including a protective member having a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device;
- and support means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- wherein a part of said protective member other than an image reading face thereof is joined to said support means by a first adhesive, while at least an end portion of said protective member other than the image reading face thereof is joined by the first adhesive to a lateral plate mounted on an end portion of said support means, said first adhesive being discontinuous at least between the part and the end portion of said protective member;
- and wherein said lateral plate has elasticity at least in a direction for absorbing displacement of said protective member in a direction connecting said part of said protective member and said end portion of said protective member;
- original support means for supporting said original in a reading position;
- sensor driver means for driving said contact image sensor;
- and
- sensor support means for supporting said contact image sensor.
8 more elements
A contact image sensor comprising:
- a protective member including a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device;
- support means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- wherein said protective member and said support means are joined together at a central portion in a longitudinal direction thereof and at both ends of said protective member;
- and
- an elastic adhesive member for joining together said both ends of said protective member, said elastic adhesive member having an elasticity permitting an amount of deformation of at least 0.008 mm per 1 cm of the longitudinal length thereof.
5 more elements
An information processing apparatus comprising:
- a contact image sensor including a protective member having a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device;
- support means for integrally support said illumination means, said photosensor device and said imaging means;
- wherein said protective member and said support means are joined together at a central portion in a longitudinal direction thereof and at both ends of said protective member;
- and an elastic adhesive member for joining together said both ends of said protective member, said elastic adhesive member having an elasticity permitting an amount of deformation of at least 0.008 mm per 1 cm of the longitudinal length thereof;
- original support means for supporting said original in a reading position;
- sensor driver means for driving said contact image sensor;
- and
- sensor support means for supporting said contact image sensor.
8 more elements
A contact image sensor comprising:
- a protective member including a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device;
- and
- support means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- wherein a part of said protective member other than an image reading face thereof is joined to said support means with a first adhesive, while at least an end portion of said protective member other than the image reading face thereof is joined to a lateral plate mounted on an end portion of said support means with said first adhesive, and wherein said lateral plate has elasticity at least in a direction for absorbing displacement of said protective member in a direction connecting said part of said protective member and said end portion of said support means, and
- wherein said lateral plate has a deformation of not less than M:
- wherein M=.vertline..alpha..sub.1 -.alpha..sub.2 .vertline..times.1000, wherein .alpha..sub.1, .alpha..sub.2 are linear expansion coefficients of materials respectively comprising said protective member and said supporting means, and wherein M=0.016 mm.
6 more elements
An information processing apparatus comprising:
- a contact image sensor including a protective member having a light transmitting area;
- illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading said image information;
- imaging means for focusing light reflected from said original onto said photosensor device;
- and support means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- wherein a part of said protective member other than an image reading face thereof is joined to said support means by a first adhesive, while at least an end portion of said protective member other than the image reading face thereof is joined by the first adhesive to a lateral plate mounted on an end portion of said support means;
- and wherein said lateral plate has elasticity at least in a direction for absorbing displacement of said protective member in a direction connecting said part of said protective member and said end portion of some protective member;
- original support means for supporting said original in a reading position;
- sensor driver means for driving said contact image sensor;
- and
- sensor support means for supporting said contact image sensor, and
- wherein said lateral plate has a deformation of not less than M per 1 cm;
- wherein M=.vertline..alpha..sub.1 -.alpha..sub.2 .vertline..times.1000, .alpha..sub.1 and .alpha..sub.2 are linear expansion coefficients of materials respectively comprising said protective member and said supporting means, wherein M=0.016 mm.
10 more elements
A contact type image sensor comprising:
- a protective member including a light transmitting area;
- an illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading the image information;
- an imaging means for focusing light reflected from the original onto said photosensor device;
- a supporting means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- a lateral plate disposed on an end of said supporting means;
- and
- an adhesive member for joining together (i) said supporting means and a substantially central portion of said protective member, in a longitudinal direction thereof, outside of an image reading region, and (ii) at least one end of said protective member outside of the image reading region and said lateral plate, said adhesive member being arranged discontinuously,
- wherein said lateral plate has an elasticity for absorbing a shift of said protective member in a direction from the central portion of the protective member toward the end of said protective member.
6 more elements
A contact type image sensor comprising:
- a protective member including a light transmitting area;
- an illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading the image information;
- an imaging means for focusing light reflected from the original onto said photosensor device;
- a supporting means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- a lateral plate disposed on an end of said supporting means;
- and
- an adhesive member for joining together (i) said supporting means and a substantially central portion of said protective member, in a longitudinal direction thereof, outside of an image reading region, and (ii) at least one end of said protective member outside of the image reading region and said lateral plate,
- wherein said lateral plate has an elasticity for absorbing a shift of said protective member in a direction from the central portion of the protective member toward the end of said protective member, and
- wherein said lateral plate has a deformation of not less than M per 1 cm, wherein M=.vertline..alpha..sub.1 -.alpha..sub.2 .vertline..times.1000, .alpha..sub.1 and .alpha..sub.2 are linear expansion coefficients of materials respectively comprising said protective member and said supporting means, and wherein M=0.008 mm.
7 more elements
A contact type image sensor comprising:
- a protective member including a light transmitting area;
- an illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading the image information;
- an imaging means for focusing light reflected from the original onto said photosensor device;
- a supporting means for integrally supporting said illumination means, said photosensor device, and said imaging means;
- a lateral plate disposed on an end of said supporting means;
- and
- an adhesive member for joining together (i) said supporting means and a substantially central portion of said protective member, in a longitudinal direction thereof, outside of an image reading region, and (ii) at least one end of said protective member outside of the image reading region and said lateral plate,
- wherein said lateral plate has an elasticity for absorbing a shift of said protective member in a direction from the central portion of the protective member toward the end of said protective member, and wherein said adhesive material permits deformation of not less than 0.008 mm per 1 cm.
6 more elements
An information processing apparatus comprising:
- a contact image sensor comprising:
- a protective member including a light transmitting area;
- an illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading the image information;
- imaging means for focusing light reflected from the original onto said photosensor device;
- a supporting means for integrally supporting said illumination means, said photosensor device and said imaging means;
- a lateral plate disposed on an end of said supporting means;
- and
- an adhesive member for joining together (i) said supporting means and a substantially central portion of said protective member, in a longitudinal direction thereof, outside of an image reading region, and (ii) at least an end of said protective member outside of the image reading region and said lateral plate, and wherein said lateral plate has an elasticity for absorbing a shift of said protective member in a direction from the central portion of the protective member toward the end of said protective member, said adhesive member being arranged discontinuously.
6 more elements
An information processing apparatus comprising:
- a contact image sensor comprising:
- a protective member including a light transmitting area;
- an illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading the image information;
- and imaging means for focusing light reflected from the original onto said photosensor device;
- a supporting means for integrally supporting said illumination means, said photosensor device and said imaging means;
- a lateral plate disposed on an end of said supporting means;
- and an adhesive member for joining together (i) said supporting means and a substantially central portion of said protective member, in a longitudinal direction thereof, outside of an image reading region, and (ii) at least an end of said protective member outside of the image reading region and said lateral plate, and wherein said lateral plate has an elasticity for absorbing a shift of said protective member in a direction from the central portion of the protective member toward the end of said protective member,
- wherein said lateral plate has a deformation of not less than M per 1 cm, wherein M=.vertline..alpha..sub.1 -.alpha..sub.2 .times.1000, .alpha..sub.1 and .alpha..sub.2 are linear expansion coefficients of materials respectively comprising said protective member and said supporting means, and wherein M=0.008 mm.
6 more elements
An information processing apparatus comprising:
- a contact image sensor comprising:
- a protective member including a light transmitting area;
- an illumination means for illuminating an original, bearing image information thereon, through said protective member;
- a photosensor device for reading the image information;
- and imaging means for focusing light reflected from the original onto said photosensor device;
- a supporting means for integrally supporting said illumination means, said photosensor device and said imaging means;
- a lateral plate disposed on an end of said supporting means;
- and an adhesive member for joining together (i) said supporting means and a substantially central portion of said protective member, in a longitudinal direction thereof, outside of an image reading region, and (ii) at least an end of said protective member outside of the image reading region and said lateral plate, and wherein said lateral plate has an elasticity for absorbing a shift of said protective member in a direction from the central portion of the protective member toward the end of said protective member, and
- wherein said adhesive material permits deformation of not less than 0.008 mm per 1 cm.
6 more elements
Dependencies are inferred from the claim text.