1461119415-10ce324a-280f-4710-9058-552053b441c5

1. A lens alignment apparatus for an optical device, comprising:
at least one lens element positioned in a lens body; and
a lens alignment interface coupled to the at least one lens element and configured to permit the at least one lens element to be angularly deflected relative to an axis of symmetry of the lens body.
2. The lens alignment apparatus of claim 1, wherein the lens alignment interface includes a rolling element extending between the at least one lens element and the lens body.
3. The lens alignment apparatus of claim 2, wherein the rolling element is urged against the lens body by an elastic element.
4. The lens alignment apparatus of claim 2, comprising a lens mount that retains the at least one lens element, further wherein the rolling element is urged against the lens mount by an elastic element.
5. The lens alignment apparatus of claim 1, comprising a lens mount that retains the at least one lens element, further wherein the lens alignment interface includes a protuberance extending from the lens body and configured to engage an elongated slot in the lens mount.
6. The lens alignment apparatus of claim 1, comprising a lens mount that retains the at least one lens element, further wherein the lens alignment interface includes a protuberance extending from the lens mount and configured to engage an elongated slot in the lens body.
7. A lens alignment apparatus for an optical device, comprising:
at least one lens element positioned in a lens body and configured to resolve an image on an imaging plane; and
a lens alignment interface coupled to the at least one lens element and configured to permit the at least one lens element to be angularly adjustable relative to an axis of symmetry of the lens body to improve image resolution in a selected location on the imaging plane.
8. The lens alignment apparatus of claim 7, wherein the lens alignment interface includes a rolling element extending between the at least one lens element and the lens body.
9. The lens alignment apparatus of claim 8, wherein the lens alignment interface includes an elastic element configured to urge the rolling element against the lens body.
10. The lens alignment apparatus of claim 8, comprising a lens mount that retains the at least one lens element, wherein the rolling element is urged against the lens mount by an elastic element.
11. The lens alignment apparatus of claim 7, comprising a lens mount that retains the at least one lens element, further wherein the lens alignment interface includes a protuberance extending from the lens body and configured to engage an elongated slot in the lens mount.
12. The lens alignment apparatus of claim 7, comprising a lens mount that retains the at least one lens element, further wherein the lens alignment interface includes a protuberance extending from the lens mount and configured to engage an elongated slot in the lens body.
13. A method of improving the resolution of an optical device, comprising:
translating a lens along an optical axis to maximize resolution at a first location on an imaging plane;
determining a resolution in a second location in the imaging plane;
improving the resolution in the second location by angularly deflecting the lens; and
fixing the position of the lens.
14. The method of claim 13, wherein translating a lens along an optical axis to maximize resolution at a first location comprises maximizing the resolution at a center location of the imaging plane.
15. The method of claim 14, wherein maximizing the resolution at a center location of the imaging plane comprises maximizing the value of a modulation transfer function (MTF) at the center location.
16. The method of claim 13, wherein determining a resolution in a second location in the imaging plane comprises determining the resolution in a peripheral location on the imaging plane.
17. The method of claim 16, wherein determining the resolution in a peripheral location on the imaging plane comprises determining the resolution in one of a corner location of the imaging plane, and an edge location of the imaging plane.
18. The method of claim 13, wherein improving the resolution in the second location comprises maximizing a value for a modulation transfer function (MTF) in the second location.
19. The method of claim 13, wherein fixing the position of the lens comprises applying an adhesive compound to retain the position of the lens.
20. A digital camera, comprising:
at least one lens element positioned in a lens body and configured to resolve an image on an imaging device; and
a lens alignment interface coupled to the at least one lens element and configured to permit the at least one lens element to be angularly deflected relative to an axis of symmetry of the lens body.
21. The digital camera of claim 20, wherein the lens alignment interface includes a rolling element extending between the at least one lens element and the lens body.
22. The digital camera of claim 21, wherein the lens alignment interface includes an elastic element configured to urge the rolling element against the lens body.
23. The digital camera of claim 21, wherein the lens alignment interface includes a lens mount that retains the at least one lens element, wherein the rolling element is urged against the lens mount by an elastic element.
24. The digital camera of claim 21, comprising a lens mount that retains the at least one lens element, further wherein the lens alignment interface includes a protuberance extending from the lens body and configured to engage an elongated slot in the lens mount.
25. The digital camera of claim 21, comprising a lens mount that retains the at least one lens element, further wherein the lens alignment interface includes a protuberance extending from the lens mount and configured to engage an elongated slot in the lens body.
26. The digital camera of claim 20, wherein the imaging device comprises one of a charge-coupled device (CCD) image sensing array, and a complementary metal oxide semiconductor (CMOS) image sensing array.

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 controlling an internal combustion engine, comprising:
performing a comparison of a reference value stored in a characteristics map with measured test value for a variable corresponding to an oxygen concentration in an exhaust gas of the internal combustion engine, wherein the measured test value for the variable corresponds to a selected operating state of the internal combustion engine;
determining a correction value for the variable corresponding to the oxygen concentration, on the basis of a deviation between the measured test value and the reference value; and
controlling an actuating element to influence at least one of a fuel quantity conducted to the internal combustion engine and an oxygen quantity supplied to the internal combustion engine, wherein the controlling is performed based on a measured actual value for the variable corresponding to the oxygen concentration and the correction value.
2. The method as recited in claim 1, wherein:
the selected operating state is defined by at least a rotational speed and an injection quantity.
3. The method as recited in claim 1, wherein:
no recirculation of an exhaust gas takes place in the selected operating state.
4. The method as recited in claim 1, wherein:
the measured actual value of the variable is determined via a sensor arranged in at least one of an exhaust line and a fresh-air line downstream from a mouth of an exhaust-return line.
5. The method as recited in claim 1, further comprising:
controlling at least one of the reference value and the measured actual value as a function of at least one of at least one temperature variable and a pressure variable.
6. A device for controlling an internal combustion engine, comprising:
an arrangement for performing a comparison of a reference value stored in a characteristics map with measured test value for a variable corresponding to an oxygen concentration in an exhaust gas of the internal combustion engine, wherein the measured test value for the variable corresponds to a selected operating state of the internal combustion engine;
an arrangement for determining a correction value for the variable corresponding to the oxygen concentration, on the basis of a deviation between the measured test value and the reference value; and
an arrangement for controlling an actuating element to influence at least one of a fuel quantity conducted to the internal combustion engine and an oxygen quantity supplied to the internal combustion engine, wherein the controlling is performed based on a measured actual value for the variable corresponding to the oxygen concentration and the correction value.
7. A memory storing a computer program that when executed results in a performance of the following:
performing a comparison of a reference value stored in a characteristics map with measured test value for a variable corresponding to an oxygen concentration in an exhaust gas of the internal combustion engine, wherein the measured test value for the variable corresponds to a selected operating state of the internal combustion engine;
determining a correction value for the variable corresponding to the oxygen concentration, on the basis of a deviation between the measured test value and the reference value; and
controlling an actuating element to influence at least one of a fuel quantity conducted to the internal combustion engine and an oxygen quantity supplied to the internal combustion engine, wherein the controlling is performed based on a measured actual value for the variable corresponding to the oxygen concentration and the correction value.
8. The memory as recited in claim 7, wherein:
the computer program is executed on a control unit for the internal combustion engine.

1461119403-82003f1c-94c7-4518-bc52-61daa0334d82

1. A video conference apparatus, comprising:
a communication unit configured to connect to another video conference apparatus at another site; and
a processor configured to control the video conference apparatus to:
initiate transmission of an image of shared content to the other video conference apparatus through the communication unit;
determine, when the transmission of the image of the shared content is initiated, a first region and a second region of a display connected to the video conference apparatus, the first region configured to display the image of the shared content, and the second region configured to display a captured image, the first region including at least a portion different from the second region, the captured image being received from the other video conference apparatus;
monitor the shared content, the image of the shared content being transmitted;
determine whether an instruction for full-screen display is issued regarding the monitored shared content;
determine whether an image of full-screen display content generated on the basis of the shared content is to be displayed in full-screen separately from the monitored shared content, when determining that the instruction for full-screen display is issued; and
display the image of the full-screen display content at a region including the first region and continue to display the captured image at the second region when determining that the instruction for full-screen display is issued.
2. The video conference apparatus according to claim 1, wherein the processor is further configured to control the video conference apparatus to:
change a target to be monitored from the shared content to the full-screen display content when determining that the image of the full-screen display content is to be displayed in full-screen.
3. The video conference apparatus according to claim 2, wherein the image of the full-screen display content is displayed to fit in the first region.
4. The video conference apparatus according to claim 1, wherein the processor is further configured to control the video conference apparatus to:
accept a user’s input representing a permission or prohibition of the full-screen display of the shared content image in the first region when determining that the instruction for full-screen display is issued.
5. The video conference apparatus according to claim 4, wherein the shared content image is displayed in full-screen to fit the first region when the user’s input represents permission.
6. The video conference apparatus according to claim 1, wherein the processor is further configured to control the video conference apparatus to:
extract a region other than a specific region from the shared content image when determining that the instruction for full-screen display is issued.
7. The video conference apparatus according to claim 6, wherein the processor is further configured to control the video conference apparatus to:
determine whether the extracted region is equal to or larger than a predetermined size.
8. The video conference apparatus according to claim 7, wherein the shared content image is displayed in full-screen to fit an output image and the captured image superimposes the extracted region, when determining that the extracted region is equal to or larger than the predetermined size.
9. A method comprising:
initiating transmission of an image of shared content;
determining a first region and a second region of a display, the first region configured to display the image of the shared content and the second region configured to display a captured image, the first region including at least a portion different from the second region, the captured image being captured by an image capturing unit;
monitoring the shared content, the image of the shared content being transmitted;
determining whether an instruction for full-screen display is issued regarding the monitored shared content; and
determine whether an image of full-screen display content generated on the basis, of the shared content is to be displayed in full-screen separately from the monitored shared content, when determining that the instruction for full-screen display is issued; and
causing the full-screen display of the image of the full-screen display content to fit in the first region when determining that the instruction for full-screen display is issued and when determining that the image of full-screen display content is to be displayed in full-screen separately from the monitored shared content.
10. A non-transitory computer readable recording medium storing computer readable instructions that, when executed, cause a video conference apparatus to:
initiate transmission of an image of shared content to another video conference apparatus at another site;
monitor the shared content, the image of the shared content being transmitted;
determine whether an instruction for full-screen display is issued regarding the monitored shared content; and
determine whether an image of full-screen display content generated on the basis of the shared content is to be displayed in full-screen separately from the monitored shared content, when determining that the instruction for full-screen display is issued.
11. The non-transitory computer readable medium according to claim 10, wherein the computer readable instructions, when executed, further cause the video conference apparatus to:
change a target to be monitored from the shared content to the full-screen display content when determining that the image of the full-screen display content is displayed in full-screen.
12. The non-transitory computer readable medium according to claim 11, wherein the computer readable instructions that, when executed, further cause the video conference apparatus to:
determine whether the full-screen display content is cancelled; and
monitor the shared content again when determining that the full-screen display content is cancelled.
13. The non-transitory computer readable recording medium according to claim 10, wherein the computer readable instructions that, when executed, further cause the video conference apparatus to:
determine, when the transmission of the image of the shared content is initiated, a first region and a second region of a display connected to the video conference apparatus, the first region configured to display the image of the shared content, and the second region configured to display a captured image, the first region including at least a portion different from the second region, the captured image being received from the other video conference apparatus.
14. The non-transitory computer readable recording medium according to claim 13, wherein the computer readable instructions that, when executed, further cause the video conference apparatus to:
display an image of the full-screen display content at a region including the first region and continue to display the captured image at the second region when determining that the instruction for full-screen display is issued and when determining that the full-screen display content is to be displayed in full-screen separately from the monitored shared content.
15. The non-transitory computer readable recording medium according to claim 14, wherein the image of the full-screen display content is displayed to fit in the first region.
16. The non-transitory computer readable recording medium according to claim 10, wherein the computer readable instructions that, when executed, further cause the video conference apparatus to:
transmit an image of the full-screen display content to the other video conference apparatus when determining that the instruction for full-screen display is issued and when determining that the image of full-screen display content is to be displayed in full-screen separately from the monitored shared content.
17. The non-transitory computer readable recording medium according to claim 10, wherein the shared content is a first application and the full-screen display content is a second application different from the first application.
18. The video conference apparatus according to claim 2, wherein the processor is further configured to control the video conference apparatus to:
determine whether the full-screen display content is cancelled; and
monitor the shared content again when determining that the full-screen display content is cancelled.
19. The video conference apparatus according to claim 1, wherein the shared content is a first application and the full-screen display content is a second application different from the first application.
20. The method according to claim 9, further comprising:
changing a target to be monitored from the shared content to the full-screen display content when determining that the image of the full-screen display content is to be displayed in full-screen.

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 heat insulator for a roof structure comprising:
an elongated first sheet having a predetermined length, opposed side edges, a predetermined width between said opposed side edges, and an intermediate portion between said side edges,
an elongated flexible second sheet having a length greater than said predetermined length of said first sheet, side edges, a width between its said side edges greater than said predetermined width of said first sheet, and an intermediate portion between said side edges,
said second sheet positioned in superposed relationship with respect to said first sheet and with the lengths of said sheets parallel and the length of said second sheet extended to the same length of said first sheet, and said oppossed side edges of said second sheet aligned with and connected to said opposed side edges of said first sheet,
whereby said heat insulator can be stored in a reel with the second sheet collapsed against the first sheet, and when said heat insulator is unreeled, the second sheet is positioned below said first sheet and said sheets are suspended by their opposed side edges with said first sheet not folded, gravity tends to move said intermediate portion of said second sheet away from said intermediate portion of said first sheet to form an air space between said intermediate portions of said sheets, and said second sheet has enough additional length with respect to said first sheet to form folds across its length about structures in the roof, and
at least one of said first or second sheets bearing a heat reflective surface facing the other of said first or second sheets.
2. The heat insulator of claim 1, wherein
said heat reflective surface is formed of metal.
3. The heat insulator of claim 1, wherein
said heat insulator is formed in a spiral roll with said second sheet formed with longitudinally extending folds and laterally extending folds and said intermediate portions of said sheets in abutment with each other and the air space collapsed.
4. The heat insulator of claim 1, wherein said opposed side edges of said second sheet are shined.
5. The heat insulator of claim 1, wherein said second sheet is formed in corrugations extending along the length of said second sheet having apexes facing said first sheet and adhering to said first sheet, forming air gaps extending between said first and second sheets.
6. The heat insulator of claim 1 wherein said first sheet is formed of a material selected from the group of materials consisting essentially of one of fiberglass, mineral wool and cellulose.
7. The heat insulator of claim 1 wherein said first sheet is formed of a material selected from the group of materials consisting essentially of one of white vinyl, polyvinyl chloride, polyethylene, and polypropylene.
8. A heat insulator for a roof structure including parallel rafters and parallel purlins extending normal to and supported by said rafters, the heat insulator comprising:
elongated first and second sheets for positioning adjacent the rafters, each of said first and second sheets having a length dimension, a width dimension, and opposed parallel side edges, and an intermediate portion between its side edges,
said first and second sheets arranged with their length dimensions parallel and connected together at their respective side edges in superposed relationship,
said second sheet being longer and wider than said first sheet but extended to the same length and width of said first sheet,
whereby when said first sheet is stretched substantially flat over said second sheet, said intermediate portion of said second sheet is urged away from said intermediate portion of said first sheet by gravity and forms an air space between said sheets, and when said heat insulator is extended across the lengths of said rafters said second sheet becomes folded about said rafters, and said first and second sheets form air spaces between said rafters, and when said heat insulator is formed in a reel, said heat insulator is deflated with said second sheet collapsed against said first sheet.
9. The roof structure of claim 8, wherein at least one surface of at least one of said first and second sheets bearing a heat reflective surface that faces the other sheet.
10. The roof structure of claim 9, wherein said first sheet is more rigid than said second sheet and is formed of a heat insulation material selected from the group consisting essentially of fiberglass, gypsum board, and mineral wool.
11. A heat insulator for a roof structure comprising:
a first elongated flexible sheet having opposed parallel side edges and formed in a given length,
a second elongated flexible sheet having opposed parallel side edges and being of greater length and width than said first elongated flexible sheet and extended to the same length of the first elongated flexible sheet,
said first and second elongated flexible sheets attached to each other at their respective opposed side edges so that when said first elongated flexible sheet is extended in a flat configuration with said second elongated flexible sheet positioned below said first elongated flexible sheet said second elongated flexible sheet tends to sag under the influence of gravity with respect to said first elongated flexible sheet to form a space between said first and second elongated flexible sheets,
at least one of said first and second elongated flexible sheets having a radiant heat reflective surface facing the other of said first and second elongated flexible sheets,
whereby said heat insulator can be stored in a reel, and when the heat insulator is unreeled and extended across a series of laterally extending spaced structural supports, with said second elongated flexible sheet positioned below said first elongated flexible sheet, said second elongated flexible sheet is supported in contact with said first elongated flexible sheet by the structural supports and tends to sag under the influence of gravity beneath said first elongated flexible sheet at intervals between said structural supports and forms substantially closed air spaces between the spaced structural supports.
12. A heat insulator for installation in a building structure comprising:
a first elongated sheet and a second elongated sheet,
the lengths of said first and second sheets extending parallel to each other and having edges connected together,
one of said sheets having a radiant heat reflective surface facing the other of said sheets,
said second sheet being greater in width than said first sheet and greater in length than said first sheet for a given length of said first sheet but extended to the same length of said first sheet so that said second sheet tends to sag below said first sheet when said first sheet is placed in a flat configuration above said second sheet,
said heat insulator sheet material rolled into a reel with said second sheet having wrinkles formed therein.