1460757939-83fb3a49-d42d-4f66-8f4c-0191352e2b95

1. A content distribution method in a system in which a source device for transmitting content and a sink device for reproducing the content are connected via a communication network, the content distribution method comprising:
transmitting metadata from the source device to the sink device, the metadata representing a list of content items held by the source device;
receiving the metadata by the sink device, and requesting, by the sink device, a content item included in the list of content items represented by the metadata;
transferring the content item requested by the sink device from the source device to the sink device; and
receiving and reproducing, by the sink device, the content item transferred from the source device,
wherein in the transmitting, the source device transmits the metadata which includes a format identifier and a uniform resource locator (URL) for a content item protected by a predetermined copyright protection technology, among the content items included in the list, the format identifier indicating that the content item is distributable under the copyright protection technology, the URL indicating a place where the content item is stored,
in the receiving and requesting, the sink device makes a request for a content item identified by the URL, the request including information necessary for performing authentication processing,
in the transferring, the source device creates an encryption key by performing the authentication processing on the sink device in accordance with the information necessary for performing the authentication processing, encrypts the content item requested by the sink device using the encryption key, and transfers the encrypted content item to the sink device, and
in the receiving and reproducing, the sink device decrypts the encrypted content item transferred from the source device, using the encryption key created in the authentication processing by the source device, to reproduce a decrypted content item.
2. The content distribution method according to claim 1,
wherein in the receiving and requesting, the sink device requests the content item using a GET method in a hyper text transfer protocol (HTTP), the GET method including, in a header thereof, as the information necessary for performing the authentication processing, an Internet protocol (IP) address of the sink device, a port number of the sink device used for performing the authentication processing, and a session ID which is information uniquely identifying a session about access to the source device, and
in the transferring, the source device performs the authentication processing on the sink device, using the IP address and the port number of the sink device, which are provided by the sink device, and associates and stores the encryption key and the session ID provided by the sink device.
3. The content distribution method according to claim 2,
wherein in the transferring, if the session ID provided by the sink device in the receiving and requesting matches a session ID previously held by the source device, the source device omits the authentication processing on the sink device or performs authentication processing less complex than the authentication processing, and transfers the encrypted content item to the sink device.
4. The content distribution method according to claim 1,
wherein the source device and the sink device respectively function as a server and a client compliant with a home network protocol, and
the copyright protection technology prevents a content item from being illegally copied, by encrypting the content item using the encryption key created in the authentication processing and transferring the encrypted content item from the source device to the sink device.
5. The content distribution method according to claim 4,
wherein the source device and the sink device respectively function as a digital media server (DMS) and a digital media player (DMP) compliant with digital living network alliance (DLNA) guidelines, and
the copyright protection technology is high-bandwidth digital content protection (HDCP).
6. A content distribution system comprising a source device for transmitting content and a sink device for reproducing the content which are connected via a communication network,
the source device including:
a list transmission unit configured to transmit, to the sink device, metadata representing a list of content items held by the source device; and
a content transfer unit configured to transfer a content item requested by the sink device to the sink device,
the sink device including:
a content request unit configured to receive the metadata transmitted from the source device, and request a content item included in the list of content items represented by the metadata; and
a reproduction unit configured to receive and reproduce the content item transferred from the source device,
wherein the list transmission unit is configured to transmit the metadata which includes a format identifier and a uniform resource locator (URL) for a content item protected by a predetermined copyright protection technology, among the content items included in the list, the format identifier indicating that the content item is distributable under the copyright protection technology, the URL indicating a place where the content item is stored,
the content transfer unit is configured to create an encryption key by performing authentication processing on the sink device in accordance with information necessary for performing the authentication processing, which is received from the sink device, encrypt the content item requested by the sink device using the encryption key, and transfer the encrypted content item to the sink device,
the content request unit is configured to make a request for a content item identified by the URL, the request including the information necessary for performing the authentication processing, and
the reproduction unit is configured to decrypt the encrypted content item transferred from the source device, using the encryption key created in the authentication processing by the source device, to reproduce a decrypted content item.

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 collapsible privacy shelter comprising:
a lower section including\u2014
a generally-rigid back wall,
a pair of generally-rigid opposing side walls pivotally connected to the back wall, the side walls operable to fold inward,
a generally rigid front wall pivotally connected to the side walls, and
a door pivotally connected to the front wall; and

an upper section including\u2014
a generally rigid back wall that can be disposed on an edge of the back wall of the lower section and operable to engage the back wall of the lower section,
a pair of generally rigid opposing side walls pivotally connected to the back wall of the upper section, the side walls operable to fold inward and each operable to engage a corresponding side wall of the lower section,
a generally rigid front wall pivotally connected to the plurality of side walls of the upper section and operable to engage the front wall of the lower section, and
a door pivotally connected to the upstanding front wall of the upper section and operable to engage the door of the lower section.
2. The collapsible privacy shelter of claim 1, further comprising a roof section including a roof operable to engage an upper portion of the upper section.
2. The collapsible privacy shelter of claim 1, further comprising a weight for stabilizing the privacy shelter and disposed on the brace of the lower section.
3. The collapsible privacy shelter of claim 1, further comprising:
a securing device disposed on an upper edge of the lower section;
a securing device disposed along a lower edge of the upper section operable to removably engage the securing device of the lower section;
a securing device disposed on an upper edge of the upper section; and
a securing device disposed along a lower edge of the roof section operable to removably engage the securing device on the upper edge of the upper section.
4. The collapsible privacy shelter of claim 3, wherein the securing device comprises a latch or pin.
5. The collapsible privacy shelter of claim 1, further comprising:
an elongated brace for stabilizing the privacy shelter and preventing the side wall of the upper section from folding inward,
wherein a first end of the brace is disposed along a inner surface of the back wall of the upper section, a second end of the brace is disposed along an inner surface of the front wall of the upper section, and an edge of the brace is disposed along an inner surface of a side wall of the upper section.
6. The collapsible privacy shelter of claim 1, further comprising:
an elongated brace for stabilizing the structure and preventing the side wall of the lower section from folding inward,
wherein a first end of the brace is disposed along an inner surface of the back wall of the lower section, a second end of the brace is disposed along an inner surface of the front wall of the lower section, and an edge of the brace is disposed along an inner surface of a side wall of the lower section.
7. The collapsible privacy shelter of claim 1, further comprising a removable panel disposed within an opening in the back wall of the upper section, an opening in the side walls of the upper section, an opening in the front wall of the upper section, an opening in the door of the upper section, an opening in the back wall of the lower section, an opening in the side walls of the lower section, an opening in the front wall of the lower section, or an opening in the door of the lower section.
8. The collapsible privacy shelter of claim 7, wherein the removable panel includes a logo or a mascot.
9. The collapsible privacy shelter of claim 7, wherein the removable panel includes an LCD display or OLED display.
10. The collapsible privacy shelter of claim 1, wherein the side walls of the upper section and the side walls of the lower section each fold inward along a living hinge, a barrel hinge, a pivot hinge, a continuous hinge, or a concealed hinge.
11. The collapsible privacy shelter of claim 1, wherein the upper section and lower section are fabricated primarily from plastic, metal, or wood.
12. The collapsible privacy shelter of claim 1, wherein the roof is formed of corrugated plastic.
13. A collapsible privacy shelter comprising:
a lower section including\u2014
an upstanding generally-rigid back wall,
a pair of upstanding generally-rigid opposing side walls pivotally connected to the back wall, the side walls operable to fold inward,
an upstanding generally-rigid front wall pivotally connected to the plurality of side walls,
a door pivotally connected to the upstanding front wall of the lower section; and
a shelf portion pivotally connected to the front wall at a proximal end and operable to pivot from a position generally parallel to the front wall to a position generally perpendicular to the front wall about a generally horizontal axis;

an upper section including\u2014
an upstanding generally-rigid back wall that can be disposed on an edge of the back wall of the lower section and operable to engage the back wall of the lower section,
a pair of upstanding generally-rigid opposing side walls pivotally connected to the back wall of the upper section, the side walls operable to fold inward and each operable to engage a corresponding side wall of the lower section,
an upstanding generally-rigid front wall pivotally connected to the plurality of side walls of the upper section and operable to engage the front wall of the lower section,
a door pivotally connected to the upstanding front wall of the upper section and operable to engage the door of the lower section, and
a shelf portion pivotally connected to the front wall at a proximal end and operable to pivot from a position generally parallel to the front wall to a position generally perpendicular to the front wall about a generally horizontal axis; and

a roof section including a roof operable to engage an upper portion of the upper section.

1460757931-b8778a76-5ada-419f-9cdb-843599d131bb

What is claimed is:

1. A face shield support assembly comprising:
a frame member having a pair of resilient and biased memory-retaining temples at opposite ends thereof and a face shield support member secured to said frame member and having a pair of elbows spaced apart therealong and a pair of protuberances, each formed at an opposite end thereof, and one or more connection members secured to said frame member and said face shield support member.
2. An assembly of claim 1 wherein said one or more connection members comprises a plurality of ribs extending between said frame member and said face shield support member.
3. An assembly of claim 1 wherein said one or more connection members comprises a substantially rigid sheet or film secured to said frame member and said face shield support member.
4. An assembly of claim 2 wherein said one or more connection members include a substantially rigid sheet or film extending between said frame member and said face shield support member.
5. An assembly of claim 1 or 2 including a generally opaque or light diffusing or shading film secured between said frame member and said face shield support member.
6. An assembly of claim 1, 2 or 3 wherein said frame member comprises an elongated flexible, spring-like shaft generally bowed along its length between opposite ends thereof and biased toward a first unsparing condition having said opposite ends spaced apart a distance less than the user’s head between the ears.
7. An assembly of claim 1, 2 or 3 wherein said face shield support member comprises a support bar.
8. An assembly of claim 6 wherein said face shield support member comprises a support bar.
9. An assembly of claim 1, 2 or 3 including a nose bridge support member removably secured to said frame member.
10. An assembly of claim 6 including a nose bridge support member removably secured to said frame member.
11. An assembly of claim 8 including a nose bridge support member removably secured to said frame member.
12. An assembly of claim 1, 2 or 3 including a substantially clear plastic face shield removably secured to said face shield support member.
13. An assembly of claim 6 including a substantially clear plastic face shield removably secured to said face shield support member.
14. An assembly of claim 13 wherein said face shield comprises a plastic film or sheet having an upper edge and opposite side edges, and two pairs of holes spaced apart on opposite sides of said sheet, each of the holes positioned along a plane adjacent to and generally parallel with said upper edge, said film or sheet having a substantially straight slit or slot extending between the holes of each pair of holes.
15. An assembly of claim 14 wherein said upper edge extends substantially parallel with said plane.
16. An assembly of claim 14 or 15 wherein said slits or slots extend substantially parallel with said plane.
17. An assembly of claim 14 wherein said plastic film or sheet includes an opening adjacent to each side edge, each hole having a different protuberance secured therein.
18. An assembly of claim 13 wherein said face shield comprises a plastic film or sheet having an upper edge and opposite side edges, and a pair of substantially straight coplanar slots, each having a different elbow secured therein.
19. An assembly of claim 18 wherein said upper edge extends along a plane substantially parallel with the plane of said slots or slits.
20. An assembly of claim 18 or 19 wherein said plastic film or sheet includes an opening adjacent each side edge, each hole having a different protuberance secured therein.
21. An assembly of claim 14 wherein a first hole is closer to a side edge of said plastic film or sheet than a second hole of each of said pair, and having a channel extending downwardly from each of said first holes for receiving an elbow therethrough, and a plurality of openings extending along each said side edge for receiving a protuberance therethrough.

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 photographing a panoramic picture, comprising the steps of:
(a) obtaining a first image by a photographing apparatus in response to a request for a panoramic picture photography;
(b) identifying a motion of the photographing apparatus having obtained the first image, by applying a motion estimation technique to currently input images;
(c) automatically determining a photographing direction based on the identified motion of the photographing apparatus from step (a);
(d) selectively applying a motion estimation technique for estimating motion for at least one of a horizontal direction or a vertical direction, according to the determined photographing direction, and identifying motion of the photographing apparatus;
(e) judging photographing time points of respective images by identifying that the identified motion of the photographing apparatus has reached a preset threshold value for decision of a photographing time point; and
(f) photographing images at the photographing time point of the respective images.
2. The method as claimed in claim 1, wherein the motion estimation technique includes estimating motion for a slanted motion having both a horizontal and vertical direction components.
3. The method as claimed in claim 1, wherein, in step (c), the photographing direction of the panoramic picture is determined by identifying that the motion of the photographing apparatus has reached a threshold value.
4. The method as claimed in claim 3, wherein the threshold value comprises a preset direction.
5. The method as claimed in claim 1, wherein the motion estimation technique of step (b) comprises a diamond search method.
6. The method as claimed in claim 1, wherein, when the photographing direction determined in step (c) comprises a horizontal direction, the motion of the photographing apparatus is identified by applying a motion estimation technique for estimating motion in a horizontal direction.
7. The method as claimed in claim 1, wherein, when the photographing when the photographing direction determined in step (c) comprises a vertical direction, the motion of the photographing apparatus is identified by applying a motion estimation technique for estimating motion in a vertical direction.
8. The method as claimed in claim 6, wherein the motion estimation technique estimates motion in a horizontal direction corresponding to a horizontal hexagonal search method.
9. The method as claimed in claim 6, wherein the motion estimation technique estimates motion in a vertical direction corresponding to a vertical hexagonal search method.
10. The method as claimed in claim 1, wherein step (d) comprises a step of outputting a User Interface (UI) for guiding movement of a corresponding photographing apparatus in the photographing direction determined in step (c), after identifying the motion of the photographing apparatus.
11. The method as claimed in claim 1, wherein, in step (d), the motion of the photographing apparatus is identified by comparing currently input images in real-time with previous images, a preset zone within the entire range of the current frames is set to a motion area tracking zone, and motion information is obtained through comparison of previous frames for images within the motion area tracking zone.
12. The method as claimed in claim 11, wherein, in step (d), at least one pixel block with a preset size is set within the motion area tracking zone, pixel blocks corresponding to previous frames most similar to corresponding pixel blocks are detected, and the motion information is obtained by using a relative location variation degree between corresponding pixel blocks.
13. The method as claimed in claim 1, wherein step (f) comprises the steps of:
displaying, on the photographing apparatus, the photographing time point of each of the images that has been reached; and
photographing images in response to a photographing instruction signal input from outside.
14. The method as claimed in claim 1, wherein, in step (f), the photographing time point of each of the images that has been reached is displayed on the photographing apparatus, and a corresponding image is automatically photographed.
15. The method as claimed in claim 1, wherein image photography information including a distance from a subject and optical magnification is identified to calculate a distance of an actual photography range of an image, and motion of the photographing apparatus is identified in consideration of the distance of the actual photography range of the image.
16. The method as claimed in claim 1, wherein the preset threshold value indicating that the photographing time point is reached in step (e) is set in reflection of a photograph pattern that includes a camera movement speed, a rotation angle, and a degree at which the camera is shaken, while the user performs panoramic photographing.