What is claimed is:
1. An ink jet print head comprising:
a fluid passage forming substrate including pressure generating chambers being trapezoidal in shape, which are formed by etching a silicon monocrystalline substrate by an anisotropical etching process, each of said pressure generating chambers having first walls which are vertical to the surface of said silicon monocrystalline substrate and oriented in the orientation of said pressure generating chambers, and second walls which are slanted with respect to the surface of said silicon monocrystalline substrate, said second walls being formed at both ends of each of said pressure generating chambers;
an elastic plate firmly fastened onto first opening-formed sides of said pressure generating chambers, pressure generating means for expanding and contracting said pressure generating chambers being mounted on the surface of said elastic plate; and a covering member having nozzle openings each located at the end of each said pressure generating chamber and firmly fastened to second opening-formed sides of said pressure generating chambers, the opening of each of said first opening-formed sides being smaller than the opening of each of said second opening-formed sides;
wherein said covering member is firmly fastened on said fluid passage forming substrate by adhesive, and meniscuses of said adhesive are formed and hardened in spaces defined by walls slanted with respect to the surface of said fluid passage forming substrate in which said nozzle openings are formed.
2. An ink jet print head according to claim 1, wherein said second walls which are slanted at an angle of 35 with respect to the surface of said silicon monocrystalline substrate
3. An ink jet print head according to claim 1, wherein said slanted walls are slanted at an angle of 35 with respect to the surface of said fluid passage forming substrate
4. A method of manufacturing an ink jet print head comprising the steps of:
forming a fluid passage forming substrate including pressure generating chambers being trapezoidal in shape, which are formed by etching a silicon monocrystalline substrate by an anisotropical etching process, each of said pressure generating chambers having first walls, which are vertical to the surface of said silicon monocrystalline substrate and oriented in the orientation of said pressure generating chambers, and second walls which are slanted with respect to the surface of said silicon monocrystalline substrate, said second walls being formed at both ends of each of said pressure generating chambers;
firmly fastening an elastic plate onto first opening-formed sides of said pressure generating chambers, pressure generating means for expanding and contracting said pressure generating chambers being mounted on the surface of said elastic plate;
coating the surface of said fluid passage forming substrate, which includes second opening-formed sides of said pressure generating chambers, the opening of each of said first opening-formed sides being smaller than the opening of each of said second opening-formed sides;
pressing said covering member having nozzle openings each located at the end of each said pressure generating chambers against said fluid passage forming substrate, whereby part of said adhesive flows into each of said pressure generating chambers, to form and harden meniscuses of said adhesive in spaces defined by walls slanted with respect to the surface of said fluid passage forming substrate.
5. The ink jet print head manufacturing method according to claim 4, wherein said second walls which are slanted at an angle of 350 with respect to the surface of said silicon monocrystalline substrate
6. The ink jet print head manufacturing method according to claim 4, wherein said slanted walls are slanted at an angle of 35 with respect to the surface of said fluid passage forming substrate
7. An ink jet print head comprising:
a fluid passage forming substrate including pressure generating chambers being trapezoidal in shape, which are formed by etching a silicon monocrystalline substrate by an anisotropical etching process, each said pressure generating chamber having first walls, which are vertical to the surface of said silicon monocrystalline substrate and oriented in the orientation of said pressure generating chambers, and second walls which are slanted with respect to the surface of said silicon monocrystalline substrate, said second walls being formed at both ends of each of said pressure generating chambers;
an elastic plate firmly fastened onto first opening-formed sides of said pressure generating chambers, pressure generating means for expanding and contracting said pressure generating chambers being mounted on the surface of said elastic plate; and a covering member having nozzle openings each located at the end of each of said pressure generating chambers and firmly fastened to second opening-formed sides of said pressure generating chambers, the opening of said first opening-formed side being smaller than the opening of said second opening-formed side;
wherein an enlarged portion is formed in each of said opening-formed sides of each said pressure generating chamber by an anisotropical etching process.
8. The ink jet print head according to claim 7, wherein said second walls which are slanted at an angle of 35 with respect to the surface of said silicon monocrystalline substrate
9. A method of manufacturing an ink jet print head comprising the steps of:
forming a fluid passage forming substrate including pressure generating chambers being trapezoidal in shape, which are formed by etching a silicon monocrystalline substrate by anisotropical etching process, each of said pressure generating chambers having first walls, which are vertical to the surface of said silicon monocrystalline substrate and oriented in the orientation of said pressure generating chambers, and second walls which are slanted with respect to the surface of said silicon monocrystalline substrate, said second walls being formed at both ends of each of said pressure generating chambers;
firmly fastening an elastic plate firmly onto first opening-formed sides of said pressure generating chambers, pressure generating means for expanding and contracting said pressure generating chambers being mounted on the surface of said elastic plate;
forming an enlarged portion by etching a second opening-formed side of each of said pressure generating chambers toward the inner part of each of said pressure generating chambers by surface anisotropical etching process; and
firmly fastening a covering member having nozzle openings each located at the end of each of said pressure generating chambers.
10. The ink jet print head manufacturing method of claim 9, wherein said second walls which are slanted at an angle of 35 with respect to the surface of said silicon monocrystalline substrate
11. A method of manufacturing an inkjet print head comprising:
a first step for forming on a silicon monocrystalline substrate a first etching pattern to be pressure generating chambers and a second etching pattern located in opposition to said first etching pattern with respect to ink supply ports, said second etching pattern being narrower than said first etching pattern and located within opposite lines defining said first etching pattern;
a second step for anisotropically etching said silicon monocrystalline substrate from the surface thereof on which said first and second etching patterns are formed to the other surface thereof; and a third step for anisotropically etching areas of said silicon monocrystalline substrate, each located between said first and second etching patterns, to a depth suitable for said ink supply ports.
12. The method of manufacturing an ink jet print head according to claim 11, in which in said third step, reservoirs are also formed.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the determining is responsive to motion associated with each of the multiple input pixels.
2. The method according to claim 1 wherein the determining is responsive to a saliency score of the input pixels.
3. The method according to claim 1 wherein the determining is responsive to an inclusion of an input pixel within an input image area that represents a face of a person.
4. The method according to claim 1 wherein the determining is responsive to an inclusion of an input pixel within an input image area that represents an object of interest.
5. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein a distance between output image representations of a pair of adjacent input pixels is responsive to an importance of at least one of pair of adjacent input pixels.
6. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the applying is responsive to at least one of the following constraints:
each input pixel is mapped to an output pixel that is located at substantially a fixed distance from its left and right neighbors;
each input pixel is mapped to an output pixel located to substantially a similar location to which upper and lower input pixels are mapped;
an input pixel is mapped to an output pixel located substantially at a same location as an output pixel to which the same input pixel at a previous image was mapped; and
size and shape of the output image.
7. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the determining is responsive to a saliency score of the input pixels; wherein the saliency score is computed by applying a wavelet decomposition process.
8. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the determining is responsive to a saliency score of the input pixels; wherein the saliency score is computed by locating the coarsest diagonal high frequency frame in which the percentage of wavelet coefficients having values below a first threshold is below a second threshold.
9. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the determining is responsive to a saliency score of the input pixels;
wherein the saliency score is computed by applying a wavelet decomposition process;
wherein the wavelet decomposition process is followed by thresholding a diagonal high frequency image to generate a binary frame;
re-scaling the binary frame; and
smoothing the re-scaled binary frame.
10. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the applying is preceded by applying a data reduction stage; and applying on each of the results of the data reduction stage a conversion process that is responsive to the importance value of the results to provide converted results.
11. A method for providing an output image, the method comprising: determining an importance value for each input pixels out of multiple input pixels of an input image; applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image;
determining an importance value for each input pixels out of multiple input pixels of a group of input images; and
applying on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form group of output images; wherein inputs image differs from output images.
12. A device for providing an output image, the device comprising: a memory unit adapted to store an input image and a processor, adapted to: determine an importance value for each input pixels out of multiple input pixels of an input image and apply on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the processor is adapted to determine an importance of an input pixel in response to motion associated with each of the multiple input pixels.
13. The device according to claim 12 wherein the processor is adapted to determine an importance of an input pixel in response to a saliency score of the input pixels.
14. The device according to claim 12 wherein the processor is adapted to determine an importance of an input pixel in response to an inclusion of an input pixel within an input image that represents a face of a person.
15. A device for providing an output image, the device comprising: a memory unit adapted to store an input image and a processor, adapted to: determine an importance value for each input pixels out of multiple input pixels of an input image and apply on each of the multiple input pixels a conversion process that is responsive to the importance value of the input pixel to provide multiple output pixels that form the output image; wherein the input image differs from the output image; wherein the processor is adapted to apply a conversion process in response to at least one of the following constraints:
each input pixel is mapped to an output pixel that is located at substantially a fixed distance from its left and right neighbors;
each input pixel is mapped to an output pixel located to substantially a similar location to which upper and lower input pixels are mapped;
an input pixel is mapped to an output pixel located substantially at a same location as an output pixel to which the same input pixel at a previous image was mapped; and
size and shape of the output image.