Author: claimsbot

1. A method for identifying the location of a binding zone between a stuck tubular and a borehole, the method comprising the steps of:
providing a magnetizing module having a longitudinal axis, wherein the step of providing a magnetizing module further comprises the step of orienting two permanent, longitudinal magnets along the longitudinal axis of the magnetizing module in an opposing magnetic orientation to produce a magnetic B field that extends in a substantially radial direction;
magnetizing the tubular with the magnetizing module;
applying a stress to the tubular;
passing a magnetic field sensor through the tubular on a scanning pass;
measuring a stress-induced demagnetization of the tubular with the magnetic field sensor; and
analyzing the stress-induced demagnetization of the tubular to identify locations within the tubular that are exposed to increased stress.
2. The method of claim 1, wherein the step of magnetizing the tubular further comprises:
passing the magnet through the tubular on a baseline magnetization pass to magnetize the tubular; and
measuring the baseline magnetization of the tubular with the magnetic field sensor.
3. The method of claim 2, wherein the analyzing step further comprises comparing the baseline magnetization of the tubular against the stress-induced magnetization of the tubular comprises graphically plotting the baseline magnetization against the stress-induced magnetization.
4. The method of claim 2, wherein the step of measuring a baseline magnetization of the tubular is conducted during the baseline magnetization pass.
5. The method of claim 2, wherein the step of passing the magnet through the tubular on a baseline magnetization pass further comprises the step of magnetizing the tubular in a substantially radial direction.
6. The method of claim 1, wherein the step of applying a stress to the tubular comprises lifting the stuck tubular to create an axial stress.
7. The method of claim 1, wherein the step of applying a stress to the tubular comprises applying a torque to the tubular to create a torsional stress.
8. The method of claim 1, wherein the step of applying a stress to the tubular comprises applying an axial stress and a torsional stress.
9. A method for magnetizing a stuck tubular within a wellbore, the method comprising the steps of:
providing a magnetizing module having a longitudinal axis, wherein the step of providing a magnetizing module further comprises the step of orienting two permanent, longitudinal magnets along the longitudinal axis of the magnetizing module in an opposing magnetic orientation to produce a magnetic B field that extends in a substantially radial direction; and
passing the magnetizing module through the tubular on a baseline magnetization pass to magnetize the tubular in a predominately radial direction.
10. A device for detecting the location of a binding zone between a stuck tubular and a borehole, the device comprising:
a first magnet having an interior magnetic pole and an exterior magnetic pole;
a second magnet having an interior magnetic pole and an exterior magnetic pole, wherein the interior magnetic poles of the first and second magnets are of like polarity and positioned proximate to one another within the device; and
a sensor.
11. The device of claim 10, wherein the first and second magnets are longitudinal magnets, and wherein the first and second longitudinal magnets are oriented in a magnetically opposed manner to create a magnetic B field extending in a radial direction.
12. The device of claim 10, further comprising a lower module, an upper module and a center module between the upper and lower modules.
13. The device of claim 12, wherein the first and second magnets are located within the lower module.
14. The device of claim 13, wherein the sensor is located within the upper module.
15. The device of claim 12, wherein each of the upper, lower and center modules includes a housing manufactured from a non-magnetic material.
16. The device of claim 10, wherein the sensor is selected from the group consisting of search coils, Hall Effect sensors and giant magnetoresistance (GMR) sensors.
17. The device of claim 16, further comprising a plurality of sensors.
18. The device of claim 10, further comprising an umbilical extending from the sensor.
19. The device of claim 10, wherein the tubular is a well casing.
20. The device of claim 10, wherein the tubular is a drill string.
21. The device of claim 10, further comprising a monitor for displaying the measurements made by the sensor.

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 filter circuit comprising:
a first band-pass filter, a second band-pass filter, a third band-pass filter and a fourth band-pass filter each having an input terminal and an output terminal;
a first terminal to which the output terminal of the first band-pass filter and the output terminal of the second band-pass filter are connected in common;
a second terminal to which the output terminal of the third band-pass filter and the output terminal of the fourth band-pass filter are connected in common;
a third terminal to which the input terminal of the first band-pass filter and the input terminal of the fourth band-pass filter are connected in common; and
a fourth terminal to which the input terminal of the second band-pass filter and the input terminal of the third band-pass filter are connected in common,
wherein whole pass bands of the first band-pass filter, the second band-pass filter, the third band-pass filter and the fourth band-pass filter differ from each other.
2. The filter circuit according to claim 1, wherein
the pass bands of the first band-pass filter and the second band-pass filter are lower than the pass bands of the third band-pass filter and the fourth band-pass filter.
3. The filter circuit according to claim 2, wherein
the first terminal is a terminal to be connected to a first amplifier, the second terminal is a terminal to be connected to a second amplifier, and the third terminal and the fourth terminal are terminals to which a switch is connected, the switch selecting one of the third terminal and the fourth terminal and connecting the selected one of the third terminal and the fourth terminal to an antenna.
4. A module comprising:
a filter circuit according to claim 2; and
a switch that selects any one of the third terminal and the fourth terminal and connect the selected one of the third terminal and the fourth terminal to an antenna.
5. A module comprising:
a filter circuit according to claim 2;
a first amplifier connected to the first terminal; and
a second amplifier connected to the second terminal.
6. A module comprising:
a filter circuit according to claim 2;
a switch that selects any one of the third terminal and the fourth terminal and connect the selected one of the third terminal and the fourth terminal to an antenna;
a first amplifier connected to the first terminal; and
a second amplifier connected to the second terminal.
7. The filter circuit according to claim 1, wherein
at least one of the first terminal and the second terminal includes a pair of balanced terminals.
8. A module comprising:
a filter circuit according to claim 1.
9. The filter circuit according to claim 1, wherein
at least one of the first terminal and the second terminal includes an unbalanced terminal.
10. The filter circuit according to claim 9, wherein
each of the third terminal and the fourth terminal includes an unbalanced terminal.
11. A filter circuit comprising:
a first band-pass filter, a second band-pass filter, a third band-pass filter and a fourth band-pass filter each having an input terminal and an output terminal;
a first terminal to which the input terminal of the first band-pass filter and the input terminal of the second band-pass filter are connected in common;
a second terminal to which the input terminal of the third band-pass filter and the input terminal of the fourth band-pass filter are connected in common;
a third terminal to which the output terminal of the first band-pass filter and output terminal of the fourth band-pass filter are connected in common; and
a fourth terminal to which the output terminal of the second band-pass filter and the output terminal of the third band-pass filter are connected in common,
wherein whole pass bands of the first band-pass filter, the second band-pass filter, the third band-pass filter and the fourth band-pass filter differ from each other.
12. The filter circuit according to claim 11, wherein
the pass bands of the first band-pass filter and the second band-pass filter are lower than the pass bands of the third band-pass filter and the fourth band-pass filter.
13. The filter circuit according to claim 12, wherein
the first terminal is a terminal to be connected to a first amplifier, the second terminal is a terminal to be connected to a second amplifier, and the third terminal and the fourth terminal are terminals to which a switch is connected, the switch selecting one of the third terminal and the fourth terminal and connecting the selected one of the third terminal and the fourth terminal to an antenna.
14. A module comprising:
a filter circuit according to claim 11.

What is claimed is:

1. An image editing method for carrying out composition of a character image with a low resolution image generated by reducing an original image by a predetermined ratio, the image editing method comprising the steps of:
generating an enlarged character image by enlarging the character image based on the predetermined ratio;
generating a reduced character image by reducing the enlarged character image based on the predetermined ratio; and
generating an image for editing by composing the reduced character image with the low resolution image.
2. An image editing method as claimed in claim 1, characterized by that the image editing method outputs the enlarged character image and information regarding the low resolution image as an editing description file.
3. An image composing method of obtaining a composite image by composing the enlarged character image with the original image, based on the editing description file output by the image editing method of claim 2.
4. An image editing apparatus for carrying out composition of a character image with a low resolution image generated by reducing an original image by a predetermined ratio, the image editing apparatus comprising:
enlarged character image generating means for generating an enlarged character image by enlarging the character image based on the predetermined ratio;
reduced character image generating means for generating a reduced character image by reducing the enlarged character image based on the predetermined ratio; and
editing means for generating an image for editing by composing the reduced character image with the low resolution image.
5. An image editing apparatus as claimed in claim 4, further comprising output means for outputting the enlarged character image and information regarding the low resolution image as an editing description file.
6. An image composing apparatus comprising composition means for obtaining a composite image by composing the enlarged character image with the original image, based on the editing description file output by the image editing apparatus of claim 5.

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. A method for producing ceramic green sheets by applying ceramic slurry on a long carrier film, said method comprising the steps of:
transferring the carrier film in the longitudinal direction thereof and in contact with a support roll;
removing foreign substances on the carrier film surface opposite to the carrier film surface which is in contact with the support roll, at the portion where the carrier film is in contact with the outer peripheral surface of said support roll, while supporting the carrier film by said support roll so that the transfer direction of the carrier film is changed by said support roll; and
forming a ceramic green sheet by applying ceramic slurry on at least one surface of the carrier film after said foreign substances have been removed.
2. A method for producing ceramic green sheets as claimed in claim 1, wherein the portion where the foreign substances are removed is located approximately at the longitudinal center of the carrier film portion where the carrier film is in contact with the outer peripheral surface of the support roll.
3. A method for producing ceramic green sheets as claimed in claim 1, wherein said ceramic slurry is applied on said carrier film surface from which the foreign substances have been removed.
4. A method for producing ceramic green sheets as claimed in claim 1, wherein the ceramic slurry is applied on the carrier film surface opposite to the carrier film surface from which the foreign substances have been removed.
5. A method for producing ceramic green sheets as claimed in claim 1, wherein the step of removing foreign substances includes using a foreign substance removal device that makes contact with a surface of the carrier film in order to remove the foreign substances from the carrier film.
6. A method for producing ceramic green sheets as claimed in claim 1, wherein the step of removing foreign substances includes using a foreign substance removal device that does not make contact with a surface of the carrier film to remove the foreign substances from the carrier film.
7. A method for producing ceramic green sheets as claimed in claim 1, wherein the transfer direction of the carrier film is changed by said support roll such that once the carrier film passes the support roll, the transfer direction of the carrier film is changed into the direction of approximately 90 with respect to the initial transfer direction.
8. A method for producing ceramic green sheets as claimed in claim 1, wherein the step of forming a ceramic green sheet by applying ceramic slurry is performed using at least one of a doctor blade method and an extrusion method.
9. A method for producing ceramic green sheets as claimed in claim 1, further comprising the step of directing the carrier film onto a backing roll provided downstream from the support roll and a foreign substance removal device used to perform the step of removing foreign substances from the carrier film.
10. A method for producing ceramic green sheets as claimed in claim 9, wherein the backing roll is arranged so that the carrier film surface from which foreign substances have been removed contacts the outer peripheral surface of the backing roll and the ceramic slurry is applied on the portion where the carrier film is in contact with the outer peripheral surface of the backing roll.
11. An apparatus for producing ceramic green sheets, said apparatus comprising:
a delivery roll arranged to feed a carrier film;
a transfer unit arranged to transfer the carrier film drawn out from said delivery roll in the longitudinal direction thereof;
a support roll arranged to support the carrier film on the outer peripheral surface thereof so as to change the transfer direction of said carrier film;
a foreign substance removal device disposed so as to remove the foreign substances on the carrier film surface opposite to the carrier film surface in contact with said support roll, at the portion where the carrier film is supported on the outer peripheral surface of said support roll; and
a ceramic-slurry applying device arranged to apply ceramic slurry on one carrier film surface from which the foreign substances have been removed by said foreign substance removal device, and to form a ceramic green sheet.
12. An apparatus for producing ceramic green sheets as claimed in claim 11, wherein said foreign substance removal device is disposed so as to remove the foreign substances on one surface of the carrier film approximately at the longitudinal center of the carrier film portion where the carrier film is contact with the outer peripheral surface of the support roll.
13. An apparatus for producing ceramic green sheets as claimed in claim 11, wherein said foreign substance removal device is arranged to contact a surface of the carrier film to remove the foreign substances from the carrier film.
14. An apparatus for producing ceramic green sheets as claimed in claim 11, wherein said foreign substance removal device is a noncontact-type foreign substance removal device that is arranged to remove the foreign substances on one surface of the carrier film without contacting the carrier film supported by the support roll.
15. An apparatus for producing ceramic green sheets as claimed in claim 11, wherein said support roll includes a drive roll coupled with a rotational driving source and said drive roll functions as at least one portion of said transfer unit.
16. An apparatus for producing ceramic green sheets as claimed in claim 11, wherein said ceramic-slurry applying device is arranged to apply the ceramic slurry on the carrier film surface from which the foreign substances have been removed.
17. An apparatus for producing ceramic green sheets as claimed in claim 11, wherein said ceramic-slurry applying device is arranged to apply the ceramic slurry on the carrier film surface opposite to the carrier film surface from which the foreign substances have been removed.
18. An apparatus for producing ceramic green sheets as claimed in claim 11, wherein the support roll is arranged such that the transfer direction of the carrier film is changed by said support roll such that once the carrier film passes the support roll, the transfer direction of the carrier film is changed into the direction of approximately 90 with respect to the initial transfer direction.
19. An apparatus for producing ceramic green sheets as claimed in claim 11, further comprising a backing roll provided downstream from the support roll and a foreign substance removal device and arranged to contact the carrier film.
20. An apparatus for producing ceramic green sheets as claimed in claim 19, wherein the backing roll is arranged so that the carrier film surface from which foreign substances have been removed contacts the outer peripheral surface of the backing roll and the ceramic slurry is applied on the portion where the carrier film is in contact with the outer peripheral surface of the backing roll.