Author: claimsbot

1. A zoom lens consisting of, in order from the object side:
a first lens group having positive refractive power, and which is fixed during magnification change;
a second lens group having negative refractive power, and which moves during magnification change;
a third lens group having positive refractive power, and which is fixed during magnification change;
a fourth lens group having positive refractive power, and which moves during magnification change; and
a fifth lens group having negative refractive power, and which moves during magnification change,
wherein the first lens group consists of, in order from the object side, a front group having negative refractive power, a reflection member that bends an optical path and a rear group having positive refractive power, and
wherein the fourth lens group includes at least a cemented lens of a positive lens and a negative lens, and
wherein the following conditional expressions (1) and (5) are satisfied:
0.8<IHfw\u2003\u2003(1); and
\u03bdd4p\u2212\u03bdd4n>45\u2003\u2003(5), where
IH is a maximum image height,
fw is a focal length at a wide angle end,
\u03bdd4p is an Abbe number of the positive lens constituting the cemented lens in the fourth lens group, and
\u03bdd4n is an Abbe number of the negative lens constituting the cemented lens in the fourth lens group.
2. The zoom lens, as defined in claim 1, wherein the third lens group includes a stop, and
wherein the following conditional expression (2) is satisfied:
0.18<\u03c6stwDstim<0.25\u2003\u2003(2), where
\u03c6stw is an aperture stop diameter at a wide angle end, and
Dstim is a distance from a stop to an image plane.
3. The zoom lens, as defined in claim 1, wherein the following conditional expression (3) is satisfied:
\u03bdd4p>75.0\u2003\u2003(3), where

\u03bdd4p is an Abbe number of the positive lens constituting the cemented lens in the fourth lens group.
4. The zoom lens, as defined in claim 1, wherein the following conditional expression (4) is satisfied:
1.5<f4fw<3.0\u2003\u2003(4), where

f4 is a focal length of the fourth lens group.
5. The zoom lens, as defined in claim 1, wherein the second lens group includes, in order from the object side, a negative lens, a positive lens and a negative lens, and consists of four lenses as a whole.
6. The zoom lens, as defined in claim 1, wherein the third lens group includes, in order from the object side, a positive lens and a negative lens.
7. The zoom lens, as defined in claim 1, wherein the following conditional expression (6) is satisfied:
\u03c6stt\u03c6stw<1\u2003\u2003(6), where

\u03c6stt is an aperture stop diameter at a telephoto end, and
\u03c6stw is an aperture stop diameter at a wide angle end.
8. The zoom lens, as defined in claim 1, wherein the following conditional expression (1-1) is satisfied:
0.8<IHfw<1.1\u2003\u2003(1-1).
9. The zoom lens, as defined in claim 1, wherein the following conditional expression (1-2) is satisfied:
0.9<IHfw<1.1\u2003\u2003(1-2).
10. The zoom lens, as defined in claim 1, wherein the third lens group includes a stop, and
wherein the following conditional expression (2-1) is satisfied:
0.18<\u03c6stwDstim<0.23\u2003\u2003(2-1), where
\u03c6stw is an aperture stop diameter at a wide angle end, and
Dstim is a distance from a stop to an image plane.
11. The zoom lens, as defined in claim 1, wherein the following conditional expression (3-1) is satisfied:
\u03bdd4p>80.0\u2003\u2003(3-1), where

\u03bdd4p is an Abbe number of the positive lens constituting the cemented lens in the fourth lens group.
12. The zoom lens, as defined in claim 1, wherein the following conditional expression (4-1) is satisfied:
1.7<f4fw<2.5\u2003\u2003(4-1), where

f4 is a focal length of the fourth lens group.
13. The zoom lens, as defined in claim 1, wherein the following conditional expression (5-1) is satisfied:
\u03bdd4p\u2212\u03bdd4n>50\u2003\u2003(5-1), where

\u03bdd4p is an Abbe number of the positive lens constituting the cemented lens in the fourth lens group, and
\u03bdd4p is an Abbe number of the negative lens constituting the cemented lens in the fourth lens group.
14. An imaging apparatus comprising:
the imaging lens, as defined in claim 1.

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 comprising:
an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a smaller refractive index than the base unit,
wherein each of the pattern units includes at least one curved edge.
2. The filter of claim 1, wherein the curved edge has a curvature radius of 10 \u03bcm to 3 mm.
3. The filter of claim 1, wherein the curved edge has a curvature radius of 100 \u03bcm to 800 \u03bcm.
4. The filter of claim 1, wherein each of the pattern units includes at least one outwardly extending, curved lower edge.
5. The filter of claim 1, wherein the refractive index of the pattern units is 0.3-1 times higher than the refractive index of the base unit.
6. The filter of claim 1, wherein a thickness of the external light shielding sheet is 1.01-2.25 times greater than a height of the pattern units.
7. The filter of claim 1, wherein a distance between a pair of adjacent pattern units is 1.1-5 times greater than a bottom width of the pattern units.
8. The filter of claim 1, wherein a height of the pattern units is 0.89 4.25 times greater than a distance between a pair of adjacent pattern units.
9. The filter of claim 1, wherein a distance between tops of a pair of adjacent pattern units is 1-3.25 times greater than a distance between bottoms of the pair of adjacent units.
10. The filter of claim 1, further comprising at least one of:
an anti-reflection (AR) layer which prevents reflection of external light;
a near infrared (NIR) shielding layer which shields NIR rays emitted from the PDP; and
an electromagnetic interference (EMI) shielding layer which shields EMI.
11. A filter comprising:
an external light shielding sheet which includes an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a smaller refractive index than the base unit,
wherein the pattern units have curved bottom surfaces.
12. The filter of claim 1, wherein the refractive index of the pattern units is 0.3-1 times higher than the refractive index of the base unit.
13. The filter of claim 1, wherein a thickness of the external light shielding sheet is 1.01-2.25 times greater than a height of the pattern units.
14. A plasma display device comprising:
a plasma display panel (PDP); and
a filter which is disposed at a front of the PDP,
wherein the filter includes an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit, and each of the pattern units has at least one curved edge.
15. The plasma display device of claim 14, wherein the curved edge has a curvature radius of 10-3 mm.
16. The plasma display device of claim 14, wherein the refractive index of the pattern units is 0.3-1 times higher than the refractive index of the base unit.
17. The plasma display device of claim 14, wherein a thickness of the external light shielding sheet is 1.01-2.25 times greater than a height of the pattern units.
18. A plasma display device comprising:
a PDP; and
a filter which is disposed at a front of the PDP,
wherein the filter includes an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit, and the pattern units have curved bottom surfaces.
19. The plasma display device of claim 18, wherein the refractive index of the pattern units is 0.3-1 times higher than the refractive index of the base unit.
20. The plasma display device of claim 18, wherein a thickness of the external light shielding sheet is 1.01-2.25 times greater than a height of the pattern units.

What is claimed is:

1. A data provision device for providing a user with data, comprising:
data provision request reception means for receiving a data provision request from the user;
user identifying information acquisition means for acquiring user identifying information identifying the user;
table storage means for storing a table in which the user identifying information and data identifying information identifying a data item for which a transaction process is completed are associated with each other;
data identifying information reading means for reading out from said table the data identifying information associated with the user identifying information acquired by said user identifying information acquisition means;
determination means for determining whether or not said data provision request is made for the data item for which the transaction process is completed and which is identified by the data identifying information read out by said data identifying information reading means;
data transmission means for performing the transaction process for data provision and returning a data item in accordance with said data provision request when said determination means determines that said data provision request is not made for the data item for which the transaction process is completed and which is identified by the data identifying information read out by said data identifying information reading means; and
data retransmission means for restricting said transaction process for data provision and returning the data item in accordance with said data provision request when said determination means determines that said data provision request is made for the data item for which the transaction process is completed and which is identified by the data identifying information read out by said data identifying information reading means.
2. The data provision device according to claim 1, further comprising:
list generation means for reading out from said table the data identifying information associated with the user identifying information acquired from said user identifying information acquisition means, and generating a list including a name of the data item for which the transaction process is completed and which is identified by the readout data identifying information; and
list transmission means for transmitting the list generated by said list generation means to the user identified by the user identifying information acquired by said user identifying information acquisition means.
3. The data provision device according to claim 1, wherein said transaction process is a charging process.
4. The data provision device according to claim 1, wherein said data transmission means additionally stores in said table the data identifying information identifying the data item in accordance with said data provision request in association with the user identifying information acquired by said user identifying information acquisition means when said transaction process is completed.
5. A data provision method for providing a user with data, said method comprising:
receiving a data provision request from the user;
acquiring user identifying information identifying the user;
reading out data identifying information associated with the acquired user identifying information from a table in which the user identifying information and the data identifying information identifying a data item for which a transaction process is completed are associated with each other;
determining whether or not said data provision request is made for the data item for which the transaction process is completed and which is identified by the readout data identifying information;
restricting said transaction process for data provision when said data provision request is determined as being made for the data item for which the transaction process is completed and which is identified by the data identifying information read out from said table.

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 managing a computer over a network, the method being implemented by a resident agent on the network, the method comprising:
opening a connection between a resident agent and a sending application;
receiving application data from the sending application by the resident agent;
receiving a header from the sending application by the resident agent;
determining if the application data should be sent directly to a receiving application or if the application data should be sent through a gateway, wherein the determination is based on a direct connection attempt with the receiving application, and wherein the connection attempt is made without first connecting via the gateway;
if it is determined that the application data should be sent directly to a receiving application, sending the application data directly to the receiving application; and
if it is determined that the application data should be sent through the gateway, sending a data package through the gateway.
2. The method of claim 1, wherein the data package is sent via a sending port.
3. The method of claim 2, wherein the sending port is a port that allows the data package to pass through firewalls.
4. The method of claim 2, wherein the sending port is port 443.
5. The method of claim 1, wherein the method further comprises beginning an HTTPS session with the gateway.
6. The method of claim 1, further comprising the resident agent packaging the application data and the header into the data package and sending the data package from the resident agent to the gateway.
7. The method of claim 6, wherein packaging the application data and the header further comprises wrapping the application data with an HTTP header.
8. The method of claim 1, wherein the application data is inventory data.
9. A computer system that is configured to manage a computer over a network, the computer system comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory, the instructions being executable to:
open a connection between a resident agent and a sending application;
receive application data from the sending application by the resident agent;
receive a header from the sending application by the resident agent;
determine if the application data should be sent directly to a receiving application or if the application data should be sent through a gateway, wherein the determination is based on a direct connection attempt with the receiving application, and wherein the connection attempt is made without first connecting via the gateway;
if it is determined that the application data should be sent directly to a receiving application, send the application data directly to the receiving application; and
if it is determined that the application data should be sent through the gateway, send a data package through the gateway.
10. The system of claim 9, wherein the data package is sent via a sending port.
11. The system of claim 10, wherein the sending port is a port that allows the data package to pass through firewalls.
12. The system of claim 10, wherein the sending port is port 443.
13. The system of claim 9, wherein the instructions are further executable to begin an HTTPS session with the gateway.
14. The system of claim 9, wherein the instructions are further executable to package the application data and the header into the data package by the resident agent and send the data package from the resident agent to the gateway.
15. The system of claim 14, wherein packaging the application data and the header further comprises wrapping the application data with an HTTP header.
16. The system of claim 9, wherein the application data is inventory data.
17. A non-transitory computer-readable medium comprising executable instructions for managing a computer over a network, wherein the instructions are executable to:
open a connection between a resident agent and a sending application;
receive application data from the sending application by the resident agent;
receive a header from the sending application by the resident agent,
determine if the application data should be sent directly to a receiving application or if the application data should be sent through a gateway, wherein the determination is based on a direct connection attempt with the receiving application, and wherein the connection attempt is made without first connecting via the gateway;
if it is determined that the application data should be sent directly to a receiving application, send the application data directly to the receiving application; and
if it is determined that the application data should be sent through the gateway, send a data package through the gateway.
18. The non-transitory computer-readable medium of claim 17, wherein the data package is sent via a sending port.
19. The non-transitory computer-readable medium of claim 18, wherein the sending port is a port
that allows the data package to pass through firewalls.
20. The non-transitory computer-readable medium of claim 18, wherein the sending port is port 443.
21. The non-transitory computer-readable medium of claim 17, wherein the instructions are further executable to begin an HTTPS session with the gateway.
22. The non-transitory computer-readable medium of claim 17, wherein the instructions are further executable to package the application data and the header into the data package by the resident agent and send the data package from the resident agent to the gateway.
23. The non-transitory computer-readable medium of claim 22, wherein packaging the application data and the header further comprises wrapping the application data with an HTTP header.