Author: claimsbot

1. A method of forming monodispersed silver nanowires comprising:
mixing a capping agent in a polyol to form a substantially homogeneous solution;
elevating the temperature of the solution to a level below a boiling point of the solution to form a heated solution;
diluting the solution with a diluant selected from the materials consisting of water and alcohol, thereby forming the nanowires;
centrifuging the solution to separate the silver nanowires.
2. The method of claim 1, further comprising:
adding a trace amount of aqueous metal chloride solution to the solution;
mixing the capping agent in the polyol includes mixing polyvinylpyrrolidone (PVP) powder and silver nitrate powder, feeding the PVP and silver nitrate powder into the polyol to form the homogeneous solution, and adding the trace amount of the aqueous metal chloride solution.
3. The method of claim 2, wherein the elevating the temperature of the solution comprises raising the temperature to between 210\xb0 C. and the boiling temperature of the solution;
allowing the solution to cool prior to diluting the solution with the diluant.
4. The method of claim 2, wherein the elevating the temperature of the solution comprises raising the temperature to between 170\xb0 C. and 220\xb0 C., and below a boiling temperature of the solution;
and the method further comprises:
allowing the solution to cool prior to diluting the solution with the diluant.
5. The method of claim 2, wherein the elevating the temperature of the solution comprises raising the temperature to between 170\xb0 C. and 220\xb0 C., and below a boiling temperature of the solution;
and the method further comprises:
allowing the solution to cool after diluting the solution with the diluant.
6. The method of claim 2, further comprising centrifuging the diluted solution at least part of the time of said elevating the temperature of the solution to a level below a boiling point of the polyol.
7. The method of claim 1, further comprising:
the mixing a capping agent in a polyol to form a substantially homogeneous solution comprising adding the capping agent and a chloride salt in a reducing solvent;
forming a reaction solution including a silver salt; and
forming metal nanowires by reducing the silver salt in the reaction solution.
8. The method of claim 7, wherein the reaction solution comprises: a silver salt; a capping agent; a chloride salt, a reducing solvent, and 0.001%\u02dc5% water as a ripening controlling agent
9. The method of claim 8, wherein the silver salt consists of at least one compound selected from the group consisting of silver nitrate, silver acetate, silver tetraborate, silver trifluoroacetate, or silver perchlorate.
10. The method of claim 8, wherein the chloride salt comprises of at least one compound selected from the group consisting of LiCl, NaCl, KCl, NH4Cl, CaCl2 and MgCl2.
11. The method of claim 8, wherein the capping agent comprises of at least one compound selected from the group consisting of polyvinyl pyrrolidone, polyacrylamide and copolymers thereof.
12. The method of claim 11, wherein the capping agent is polyvinylpyrrolidone (PVP), having a molecular weight within the range of from 1,000 to 5,000,000.
13. The method of claim 8, comprising using glycerol as the reducing solvent.
14. The method of claim 1, further comprising:
determining the components as solid reactants and liquid solvents;
mixing the solid reactants into the liquid solvents at a first temperature in the range of 20\xb0 C. to 150\xb0 C.; and
carrying out the reducing reaction at a second temperature of 170\xb0 C. to 220\xb0 C.
15. The method of claim 1, wherein the reaction solution consists of at least one compound selected from the group consisting of silver nitrate, polyvinylpyrrolidone (PVP), sodium chloride, water and glycerol.
16. The method of claim 1, further comprising using a molar ratio of the chloride salt and the silver salt of between about 0.001 and 0.5.
17. The method of claim 1, further comprising using a molar ratio of the water and the reducing agent of between 0.001 and 0.3.
18. The method of claim 1, further comprising using as the capping agent consists of at least one compound selected from the group consisting of polyvinylpyrrolidone (PVP), polyacrylamide and copolymers thereof having a molecular weight of 1,000 to 5,000,000.

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 imaging device comprising:
a memory unit that stores conversion information which is derived based on a correction coefficient which provides, in a predetermined allowable range from a minimum value, a sum of a norm of a difference between a color difference of a correction target color and a target color which is a target of correction of the correction target color and a correction color obtained by correcting the correction target color using the correction coefficient, and a norm of the correction coefficient to which a predetermined weight coefficient is applied;
an image capturing unit that captures an image; and
a color converting unit that converts a color of each pixel of the image captured by the image capturing unit, based on the conversion information stored in the memory unit.
2. The imaging device according to claim 1 further comprising
a color space converting unit that converts a color space of the image captured by the image capturing unit into a color space of brightness and a color difference, and
the memory unit stores the conversion information which is derived based on the correction coefficient which provides, in the predetermined allowable range from the minimum value, a sum of a norm of a difference between the color difference of the correction target color and the target color and the correction color obtained by correcting the correction target color using the correction coefficient in the color space of the brightness and the color difference, and the norm of the correction coefficient to which the predetermined weight coefficient is applied, and
the color converting unit converts the color of each pixel of the image converted into the color space of the brightness and the color difference by the color space converting unit, based on the conversion information.
3. The imaging device according to claim 1, wherein
the memory unit stores the conversion information which is derived based on the correction coefficient which provides, in the predetermined allowable range from the minimum value, a sum of a norm of a difference between the color difference of the correction target color and the target color and the correction color obtained by correcting the correction target color using the correction coefficient in the color space of the brightness and the color difference, and the norm of the correction coefficient to which the predetermined weight coefficient is applied, and which is converted into a color space used for the image captured by the image capturing unit.
4. The imaging device according to claim 1, wherein
the memory unit stores as the conversion information a total correction coefficient obtained by adding a unit matrix to the correction coefficient, and
the color converting unit converts the color by multiplying each color component forming a color of each pixel of the image captured by the image capturing unit, with the total correction coefficient stored as the conversion information.
5. A non-transitory computer-readable recording medium having stored therein a program for causing a computer to execute a process for image processing, the process comprising:
storing, in a memory unit, conversion information which is derived based on a correction coefficient which provides, in a predetermined allowable range from a minimum value, a sum of a norm of a difference between a color difference of a correction target color and a target color which is a target of correction of the correction target color and a correction color obtained by correcting the correction target color using the correction coefficient, and a norm of the correction coefficient to which a predetermined weight coefficient is applied; and
converting a color of each pixel of a correction target image based on the conversion information stored in the memory unit.
6. The non-transitory computer-readable recording medium according to claim 5, wherein the process further comprising
additionally converting a color space of the correction target image into a color space of brightness and a color difference;
the storing stores, in the memory unit, the conversion information which is derived based on the correction coefficient which provides, in the predetermined allowable range from the minimum value, a sum of a norm of a difference between the color difference of the correction target color and the target color and the correction color obtained by correcting the correction target color using the correction coefficient in the color space of the brightness and the color difference, and the norm of the correction coefficient to which the predetermined weight coefficient is applied, and
the converting converts the color of each pixel of the image converted into the color space of the brightness and the color difference based on the conversion information.
7. The non-transitory computer-readable recording medium according to claim 5, wherein
the storing stores the conversion information which is derived based on the correction coefficient which provides, in the predetermined allowable range from the minimum value, a sum of a norm of a difference between the color difference of the correction target color and the target color and the color difference and the correction color obtained by correcting the correction target color using the correction coefficient in the color space of the brightness and the color difference, and the norm of the correction coefficient to which the predetermined weight coefficient is applied, and which is converted into a color space used for an image captured by an image capturing unit, and
the converting converts the color of each pixel of the correction target image based on the conversion information.
8. The non-transitory computer-readable recording medium according to claim 5, wherein
the converting converts the color by multiplying each color component forming a color of each pixel of the correction target image, with a total correction coefficient obtained by adding a unit matrix to the correction coefficient.
9. An image processing device comprising:
a calculating unit that calculates a correction coefficient which provides, in a predetermined allowable range from a minimum value, a sum of a norm of a difference between a color difference of a correction target color and a target color which is a target of correction of the correction target color and a correction color obtained by correcting the correction target color using the correction coefficient, and a norm of the correction coefficient to which a predetermined weight coefficient is applied;
an acquiring unit that acquires a correction target image; and
a color converting unit that converts a color of each pixel of the correction target image acquired by the acquiring unit, based on conversion information derived based on the correction coefficient calculated by the calculating unit.
10. The image processing device according to claim 9 further comprising
a color space converting unit that converts a color space of the target color and the correction target color into a color space of brightness and a color difference, and
the calculating unit calculates the correction coefficient which provides, in the predetermined allowable range from the minimum value, a sum of a norm of a difference between the color difference of the correction target color and the target color and the correction color obtained by correcting the correction target color using the correction coefficient in the color space of the brightness and the color difference, and the norm of the correction coefficient to which the predetermined weight coefficient is applied.
11. The image processing device according to claim 10, wherein the color space converting unit converts the correction coefficient calculated by the calculating unit, into a color space used for the correction target image.
12. The image processing device according to claim 9, wherein the calculating unit calculates a total correction coefficient by adding a unit matrix to the correction coefficient.
13. A non-transitory computer-readable recording medium having stored therein a program for causing a computer to execute a process for image processing, the process comprising:
calculating a correction coefficient which provides, in a predetermined allowable range from a minimum value, a sum of a norm of a difference between a color difference of a correction target color and a target color which is a target of correction of the correction target color and a correction color obtained by correcting the correction target color using the correction coefficient, and a norm of the correction coefficient to which a predetermined weight coefficient is applied; and
converting a color of each pixel of a correction target image based on conversion information derived based on the calculated correction coefficient.
14. The non-transitory computer-readable recording medium according to claim 13 wherein the process further comprising:
additionally converting a color space of the target color and the correction target color into a color space of brightness and a color difference; and
the calculating calculates the correction coefficient which provides, in the predetermined allowable range from the minimum value, a sum of a norm of a difference between the color difference of the correction target color and the target color and the color difference and the correction color obtained by correcting the correction target color using the correction coefficient in the color space of the brightness and the color difference, and the norm of the correction coefficient to which the predetermined weight coefficient is applied.
15. The non-transitory computer-readable recording medium according to claim 14 wherein
the additionally converting converts the calculated correction coefficient into a color space used for the correction target image.
16. The non-transitory computer-readable recording medium according to claim 13 wherein
the calculating calculates a total correction coefficient by adding a unit matrix to the correction coefficient.

What is claimed is:

1. An input switching circuit for a television tuner, comprising:
a first input terminal, to which a television signal is input;
a second input terminal, to which an FM broadcasting signal is input;
an output terminal;
a first switching circuit provided between said first input terminal and said output terminal, which, between said first input terminal and said output terminal, passes signal when receiving said television signal while blocking signal when receiving said FM broadcasting signal; and
a second switching circuit provided between said second input terminal and said output terminal, which, between said second input terminal and said output terminal, passes signal when receiving said FM broadcasting signal while blocking signal when receiving said television signal;
wherein said second switching circuit comprises:
first two diodes connected in series with each other between said second input terminal and said output terminal, which are turned off when receiving said television signal and turned on when receiving said FM broadcasting signal; and
a second diode connected between the node between said first two diodes and the ground, which is turned on when receiving said television signal and turned off when receiving said FM broadcasting signal;

and a parallel-tuned circuit which is tuned to the frequencies of said FM broadcasting signal is connected in parallel to said second diode.
2. An input switching circuit for a television tuner according to claim 1, wherein a series-tuned circuit comprising a first capacitor and an inductor is provided between said second input terminal and said second switching circuit, said series-tuned circuit being tuned to the frequencies of said FM broadcasting signal.
3. An input switching circuit for a television tuner according to claim 2, wherein a second capacitor is connected between one end of said series-tuned circuit and the ground, said series-tuned circuit and said second capacitor constituting a low-pass filter at and above the frequencies of said FM broadcasting signal, the cutoff frequency of said low-pass filter being set between the lowest frequency of the VHF high band and the highest frequency of said FM broadcasting signal.

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 integrated circuit for generating a clock signal that is provided to a functional block, comprising:
a maximum power determination unit configured to determine a maximum allowed voltage corresponding to maximum power consumption of the functional block;
a clock control unit configured to generate at least one frequency control signal based on a comparison between the maximum allowed voltage and a detected voltage corresponding to a variance in power consumption of the to functional block, and
a clock generator configured to generate the clock signal, wherein a frequency of the clock signal is adjusted according to the frequency control signal.
2. The integrated circuit of claim 1, wherein the maximum power determination unit includes:
a current consumption determination unit configured to determine maximum current consumption of the functional block based on a power control signal; and
a maximum allowed voltage generation unit configured to generate the maximum allowed voltage based on an output current of the current consumption determination unit.
3. The integrated circuit of claim 2, wherein the current consumption determination unit includes:
a plurality of current sources connected in parallel, wherein the current sources are selectively turned on by the power control signal.
4. The integrated circuit of claim 3, wherein the maximum allowed voltage generation unit includes:
a load for generating the maximum allowed voltage based on a current supplied from at least one selectively turned-on current source of the current sources.
5. The integrated circuit of claim 2, wherein the current consumption determination unit includes:
a current source that is selectively turned on by the power control signal.
6. The integrated circuit of claim 5, wherein a load impedance of the maximum allowed voltage generation unit is adjusted according to the power control signal.
7. The integrated circuit of claim 6, wherein the current consumption determination unit further includes:
an initial allowed voltage determination unit for determining an initial value of the maximum allowed voltage.
8. The integrated circuit of claim 1, wherein the clock control unit includes:
a comparison voltage generator configured to generate a comparison voltage based on the detected voltage; and
a second comparator configured to compare the comparison voltage with the maximum allowed voltage to generate a frequency control signal.
9. The integrated circuit of claim 8, wherein the comparison voltage generator includes:
at least one voltage controlled current source for generating a current based on the detected voltage; and
at least one load for generating the comparison voltage based on the current supplied from the at least one voltage-controlled current source.
10. The integrated circuit of claim 9, wherein a load impedance of the comparison voltage generator is variably adjusted.
11. The integrated circuit of claim 9, wherein the maximum power determination unit further includes:
a current source selection unit that selectively turns on the at least one voltage-controlled current source.
12. The integrated circuit of claim 1, wherein the clock generator includes:
a ring oscillator in which three inverters are serially connected.
13. The integrated circuit of claim 1, wherein the clock generator includes:
a voltage controlled oscillator.
14. The integrated circuit of claim 1, further comprising a voltage to conversion unit configured to convert an external power supply voltage into an internal power supply voltage that is substantially maintained, wherein the functional block consumes an amount of current using the internal power supply voltage.
15. The integrated circuit of claim 14, wherein the voltage conversion unit is further configured to detect a variance in current consumption of the functional block to generate the detected voltage.
16. The integrated circuit of claim 15, wherein the voltage conversion unit includes:
a current detection unit configured to generate a first comparison voltage and the internal power supply voltage based on the variance in current consumption of the functional block; and
a first comparator configured to compare the first comparison voltage with an input reference voltage to generate the detected voltage.
17. A method of generating a crock signal that is provided to a functional block, comprising:
determining a maximum allowed voltage corresponding to maximum power consumption of the functional block,
generating at least one frequency control signal based on a comparison between the maximum allowed voltage and a detected voltage corresponding to a variance in power consumption of the functional block, and
generating the clock signal, wherein a frequency of the clock signal is adjusted according to the frequency control signal.
18. The method of claim 17, wherein the step of determining a maximum allowed voltage includes:
determining the maximum current consumption of the functional block based on a power control signal; and
generating the maximum allowed voltage corresponding to an output current of the current consumption determination unit.
19. The method of claim 18, wherein the step of generating at least one frequency control signal includes:
generating a comparison voltage corresponding to the detected voltage;
comparing the comparison voltage with the maximum allowed voltage; and
generating the frequency control signal based on the comparison between the comparison voltage and the maximum allowed voltage.
20. The method of claim 17, further comprising:
converting an external power supply voltage into an internal power supply voltage that is substantially maintained wherein the functional block consumes an amount of current using the internal power supply voltage; and
detecting a variance in current consumption of the functional block to generate the detected voltage.