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US 5,669,688 AGranted
Display panel projector and method of using same
AssigneeProxima Corporation
InventorsKenneth W. Baar, Sidney Sitachitt, Barry K. Spicer, Graham H. Brewis, Arthur P. Minich, Paul R. Corsaro, Paula M. Berg
Life of this patent
Estimating the term…
Abstract
A projector and a method of using it includes an expandable housing, which includes a display panel assembly, and an illumination and display panel projection optics arrangement. The housing includes housing portions which are movably mounted relative to one another, to increase the overall dimensions of the housing adjustably to accommodate the display panel optics arrangement during use as a projector.
Claims22
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- wherein said mechanism causes said housing portions to move transversely relative to one another to increase the overall length of the housing.
4 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image, wherein said display panel assembly is responsive to the relative movement of said housing portions to move between a use position and a storage position;
- illumination means mounted within the housing for illuminating the display panel assembly;
- and
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image.
3 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- wherein said mechanism includes a four bar linkage for enabling the upper housing portion to swing upwardly and forwardly into the use position.
4 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- further including means for mounting said projection lens arrangement in a pivotal manner to permit the arrangement to be moved between a generally vertical storage position within the housing and a generally horizontal use position projecting outwardly from the front portion of said housing in its use position.
4 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- further including a foot member pivotally connected to the underside of said housing at the front portion thereof for moving between a generally horizontal storage position and a depending position for elevating the front portion of the housing;
- and
- wherein said foot includes a pair of telescoping members to enable the length of the foot to be adjusted to raise the front end of the housing by an adjustable distance.
5 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- further including a pair of front panels hingedly connected together for folding into a generally overlapping configuration within the interior of said housing and for alternatively assuming a generally right angle configuration when the housing is moved to its use position.
4 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- wherein said light means includes a pair of lamps, a removable lamp housing for fitting into an opening in the projector housing, the lamps being equally spaced apart and symmetrically mounted within the lamp housing so that when one of the lamps malfunctions, the lamp housing can be removed and rotated through 180.degree. and then replaced in the projector housing so that the other lamp may then be activated.
4 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- wherein said housing portions are pivotally connected together at one end thereof for angular positional adjustment relative to one another;
- and
- wherein an upper one of said housing portions includes a pair of housing parts translationally mounted relative to one another so that when said upper one of said housing portions is disposed in an angular adjusted position relative to a lower one of the housing portions, said housing parts of said upper housing portion can be moved into an adjusted translated position to increase the overall length of said upper housing portion.
5 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- wherein an upper one of said housing portions is mounted to be moved upwardly relative to a lower one of said housing portions into an adjusted elevated position to accommodate said display panel assembly.
4 more elements
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- wherein said housing portions are mounted to move translationally relative to one another to increase the overall length of said housing.
4 more elements
A method of using a display panel projector, comprising:
- using a projector having a housing including a pair of housing portions confining a display panel assembly and optical means therefor to cause an image displayed by the assembly to be projected;
- moving a housing portion transversely relative to the other portion to adjust the overall dimensions of the projector to accommodate said optical means in such a manner as to reduce or eliminate distortion of the image;
- and
- projecting an image formed by the display panel assembly via said optical means.
1 more element
A display panel projector, comprising:
- a housing having a pair of housing portions mounted relative to each other;
- a mechanism mounted within the housing to enable one housing portion to be moved relative to the other housing portion to cause the overall dimensions to be increased effectively when the housing portions are moved relative to one another into their use position;
- a display panel assembly mounted within the housing for creating a displayable image;
- illumination means mounted within the housing for illuminating the display panel assembly;
- a projection lens arrangement is mounted at one end of said housing for facilitating the projection of the image created by the display panel assembly, said illumination means and said projection lens arrangement being aligned along an optical path extending within the increased overall dimensions of said housing to provide a desirable projected image;
- and
- wherein said mechanism causes said housing portions to move apart vertically relative to one another to increase the overall height of the housing to accommodate said display panel assembly in a vertical disposition when said housing portions are moved into their use position.
4 more elements
Dependencies are inferred from the claim text.