1. A laser processing head comprising:
nozzle-holding means for holding a nozzle in which a nozzle hole is formed;
condensing optical system-holding means for holding a condensing optical system, said condensing optical system-holding means being slidably arranged in said nozzle-holding means while maintaining sealing;
moving means for slide-moving said nozzle-holding means and said condensing optical system-holding means relative to each other;
assist-gas feeding means for feeding an assist gas into a laser processing head chamber formed between said condensing optical system of said condensing optical system-holding means and said nozzle hole of said nozzle-holding means;
passages formed in said nozzle-holding means to communicate said laser processing head chamber with the exterior of said nozzle-holding means;
slide members that slide in said passages while maintaining sealing; and
coupling means for coupling said slide members to said condensing optical system-holding means.
2. A laser processing head according to claim 1, wherein projected areas of said slide members on the side of said laser processing head chamber on a plane perpendicular to the direction in which said slide members slide, are selected to be equal to a projected area of said condensing optical system-holding means on the side of said laser processing head chamber on a plane perpendicular to the optical axis of an optical passage between said condensing optical system and said nozzle hole.
3. A laser processing head according to claim 1, wherein said coupling means is at least one rod.
4. A laser processing head according to claim 1, wherein said coupling means is a portion of said condensing optical system-holding means in which at least one through hole is formed.
5. A laser processing head comprising:
nozzle-holding means for holding a nozzle in which a nozzle hole is formed;
condensing optical system-holding means for holding a condensing optical system, said nozzle-holding means being slidably arranged in said condensing optical system-holding means while maintaining sealing;
moving means for slide-moving said nozzle- holding means and said condensing optical system-holding means relative to each other;
assist-gas feeding means for feeding an assist gas into a laser processing head chamber formed between said condensing optical system of said condensing optical system-holding means and said nozzle hole of said nozzle-holding means;
passages formed in said nozzle-holding means to communicate said laser processing head chamber with the exterior of said nozzle-holding means;
slide members that slide in said passages while maintaining sealing; and
coupling means for coupling said slide members to said nozzle-holding means.
6. A laser processing head according to claim 5, wherein projected areas of said slide members on the side of said laser processing head chamber on a plane perpendicular to the direction in which said slide members slide, are selected to be equal to a projected area of said nozzle-holding means on the side of said laser processing head chamber on a plane perpendicular to the optical axis of an optical passage between said condensing optical system and said nozzle hole.
7. A laser processing head according to claim 1, wherein an assist gas feed port in the laser processing head chamber fed with the assist gas from said assist gas feed means is positioned on the outer side of the coupling means when viewing from the optical axis of the optical passage between said condensing optical system and said nozzle hole.
8. A laser processing head according to claim 5, wherein said coupling means is a wire engaged around a pulley provided in said condensing optical system-holding means.
9. A laser processing head comprising:
nozzle-holding means for holding a nozzle in which a nozzle hole is formed;
condensing optical system-holding means for holding a condensing optical system, said condensing optical system-holding means being slidably arranged in said nozzle-holding means while maintaining sealing;
moving means for slide-moving said nozzle-holding means and said condensing optical system-holding means relative to each other;
assist-gas feeding means for feeding an assist gas into a laser processing head chamber formed between said condensing optical system of said condensing optical system-holding means and said nozzle hole of said nozzle-holding means;
a fluid chamber formed between said condensing optical system-holding means and said nozzle-holding means;
a passage for communicating said fluid chamber with said laser processing head chamber; and
a slide member that slides in said passage while maintaining sealing;
wherein the volume of said fluid chamber increases when said condensing optical system-holding means moves in a direction in which the volume of said laser processing head chamber decreases; and
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. An apparatus for analyzing electronic ink, the apparatus comprising:
a capture interface that records writing strokes of the electronic ink;
an ordering module that orders segments of the writing strokes based upon spatial relationships of the segments;
a recognition module that analyzes the segments and associates characters with the segments.
2. The apparatus recited in claim 1, wherein the capture interface records electronic ink detected by a digitizer.
3. The apparatus recited in claim 1, wherein the ordering module includes:
a stroke ordering module that orders the writing strokes based upon spatial relationships of the writing strokes; and
a segment ordering module that orders the segments based upon the spatial relationships of the segments.
4. The apparatus recited in claim 3, wherein the ordering module further includes a stroke partitioning module for partitioning the strokes into the segments.
5. The apparatus recited in claim 1, wherein the recognition module includes a segment recognition module for associating the characters with the segments.
6. The apparatus recited in claim 5, wherein the recognition module further includes a segment use determination module.