Author: claimsbot

What is claimed is:

1. A display device comprising:
a display unit which displays an image and can be remotely controlled by a remote controller; and
a control unit which magnifies a predetermined information included in the image displayed by the display unit, according to a distance between the remote controller and the control unit.
2. The display device according to claim 1, wherein the control unit comprises a distance measuring unit which measures the distance, when receiving a predetermined signal from the remote controller.
3. The display device according to claim 1, wherein the control unit comprises a distance deciding unit which decides whether the distance exceeds a specified value, when receiving a predetermined signal from the remote controller.
4. The display device according to claim 1, wherein the control unit magnifies the predetermined information according to control information attached to the image displayed by the display unit.
5. The display device according to claim 1, wherein the control unit magnifies a whole image displayed by the display unit.
6. The display device according to claim 1, wherein the control unit magnifies character information included in the image displayed by the display unit.
7. The display device according to claim 1, wherein the control unit magnifies subtitle information included in the image displayed by the display unit.
8. The display device according to claim 1, wherein the control unit magnifies an operation icon included in the image displayed by the display unit.
9. The display device according to claim 1, wherein the control unit manages video contents together with display attribute information, and magnifies the predetermined information included in the video contents according to the display attribute information.
10. The display device according to claim 1, wherein the control unit resets a magnifying process according to an external instruction.
11. The display device according to claim 1, wherein the control unit resets a magnifying process, when the display unit is operated by an operating means other than the remote controller.
12. A method of magnifying and displaying, comprising:
displaying an image on a display unit; and
magnifying a predetermined information included in a displayed image, according to a distance between the displaying unit and a person who watches the image.
13. The method according to claim 12, wherein the magnifying magnifies the predetermined information according to control information attached to the image displayed by the display unit.
14. A method of magnifying and displaying, comprising:
displaying an image within a certain display area on a display screen of a display unit; and
reducing the certain display area to magnify the displayed image, according to a distance between the displaying unit and a person who watches the image.
15. The method according to claim 14, further comprising:
magnifying subtitle information included in the displayed image according to the distance.
16. The method according to claim 14, further comprising:
magnifying an operation icon included in the displayed image according to the distance.

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. Process for the preparation of a (dialkylphosphono)alkyl (meth)acrylate corresponding to the formula:
12
in which:
R is a hydrogen or a methyl group
R1 is an alkyl group having 1 to 6 carbon atoms
n is an integer from 1 to 3;
comprising the reaction of an alkyl (meth)acrylate A of formula
13
in which:
R is a hydrogen atom or a methyl group;
R is an alkyl group having from 1 to 4 carbon atoms
with a dialkylphosphonated alcohol B of formula:
14
in which R1 and n have the meanings given above;
in the presence of a catalyst comprising zirconium acetylacetonate.
2. Process according to claim 1, in which the dialkylphosphonated alcohol B in which n is equal to 1 is prepared by reaction of an alkyl phosphite C of formula:
15
in which R1 has the same meaning as above;
with formaldehyde.
3. Process according to claim 1 or claim 2, in which R1 contains from 1 to 3 carbon atoms.
4. Process according to one of the preceding claims, in which R is the methyl group.
5. Process according to one of the preceding claims, in which R is the methyl or ethyl group.
6. Process according to one of the preceding claims, in which the reaction of the alkyl (meth)acrylate A with the dialkylphosphonated alcohol B is carried out at a temperature of 85 C. to 130 C., preferably of 95 C. to 120 C.
7. Process according to one of the preceding claims, in which the reaction of the alkyl (meth)acrylate A with the dialkylphosphonated alcohol B is carried out in accordance with a (meth)acrylic ester A: phosphonated alcohol B ratio of between 1.4 and 5 and preferably of between 2 and 4.

What is claimed is:

1. A tip calibration standard for calibrating scanning probe microscope probe tips comprising a carbon nanotube having a length of at least about 1 micron and a diameter of not greater than about 10 nm disposed on a dielectric surface of a grounded, conductive substrate and in connection with a contact mounted on the substrate.
2. The standard of claim 1 wherein the nanotube is metallic.
3. The standard of claim 1 wherein the nanotube is semiconductive.
4. The standard of claim I wherein the nanotube is a single-walled nanotube.
5. The standard of claim 1 wherein the nanotube is a multi-walled nanotube.
6. The standard of claim 1 wherein the substrate is semiconductive.
7. The standard of claim 1 wherein the substrate comprises silicon.
8. The standard of claim 1 wherein the dielectric surface of the substrate has a roughness of no greater than about 3 nm RMS.
9. The standard of claim 1 wherein the contact is metallic and, when mounted on the substrate, extends beyond the surface of the substrate by no more than about 50 nm.
10. The standard of claim 1 wherein the dielectric surface of the substrate has a resistivity sufficient to prevent leakage from the nanotube disposed thereon into the substrate.
11. The standard of claim 1 wherein the nanotube is a single-walled nanotube, the substrate comprises grounded silicon having a surface layer of silicon oxide with a roughness of no greater than about 3 nm RMS.
12. A method for calibrating a scanning probe microscope probe tip mounted on a cantilever in communication with a cantilever deflection detector comprising the steps of:
applying an AC bias to the nanotube standard of claim 1;
measuring with the detector cantilever deflection caused by a scan of the AC-biased standard with the probe tip; and
converting the cantilever deflection data into probe tip data.
13. The method of claim 12 wherein the AC bias is applied directly to the nanotube.
14. The method of claim 12 further comprising the step of computing the probe tip geometry from the probe tip data.
15. The method of claim 12 further comprising the step of computing electrostatic imaging data from the probe tip data.
16. The method of claim 12 further comprising the step of computing the convolution function from the probe tip data.
17. The method of claim 12 further comprising the step of computing the proportionality coefficient between tip capacitance and the deflection data and wherein the diameter of the nanotube is known.
18. The method of claim 12 wherein the voltage of the AC bias on the nanotube is about 50 mV to about 200 mV.
19. The method of claim 12 further comprising the step of computing the probe tip geometry, the electrostatic data, and the convolution function from the probe tip data and wherein the AC bias is applied directly to the nanotube at a voltage of between about 50 mV and about 200 mV, and at a frequency at or near the resonant frequency of the cantilever.
20. The method of claim 19 further comprising the step of computing the proportionality coefficient between tip capacitance and the deflection data and wherein the diameter of the nanotube is known.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. An optically active polyphenylacetylene compound substituted by chiral alkoxy groups as represented by the general formula
4
in which R is a chiral alkoxy group having at least 4 carbon atoms including a secondary carbon atom and the subscript n is an integer of 10 or larger.
2. The optically active polyphenylacetylene compound as claimed in claim 1 in which the chiral alkoxy group denoted by R is bonded to the phenyl group at the para position.
3. The optically active polyphenylacetylene compound as claimed in claim 1 which has a pseudo-hexagonal structure and has a superspiral conjugation structure by the electrons due to double bonds.
4. A method for the preparation of the optically active polyphenylacetylene compound as defined in claim 1 which comprises the step of:
bringing an alkoxyphenylacetylene compound represented by the general formula
5
in which R is a chiral alkoxy group having at least 4 carbon atoms including a secondary carbon atom, as dissolved in an organic solvent into contact with a rhodium complex compound to effect polymerization thereof.
5. The method as claimed in claim 4 in which the rhodium complex compound is Rh(norbornadiene)Cl2.
6. The method as claimed in claim 4 in which the organic solvent is an amine compound or an alcohol compound.
7. The method as claimed in claim 4 in which the organic solvent is triethylamine.
8. The method as claimed in claim 4 in which the organic solvent is chloroform.
9. The method as claimed in claim 4 in which the amount of the rhodium complex compound is in the range from {fraction (1100)} to {fraction (1150)} mole per mole of the alkoxyphenylacetylene compound.