Abstract: When image data is sent and received between cameras via communication, it is possible for the user to ascertain the images that are being communicated. Thumbnail image data for transfer purposes is transmitted from a transmit-side camera to a receive-side camera. Main (full-size) image data is thenceforth transmitted from the transmit-side camera to the receive-side camera. When the main image data is sent and received, display screens on respective ones of the cameras display an image in which a transfer thumbnail image represented by transfer thumbnail image data moves from the display screen on the transmitting side to the display screen on the receiving side.

Abstract: A number of images are grouped and recorded in an image database. A main image is displayed in a main display area. Images having both “PORTRAIT” and “BEACH” photographic scenes, which have been assigned to the main image, assigned thereto are found in groups different from the group to which the main image belongs. The images found are displayed in an auxiliary display area as related images.

Abstract: It is so arranged that the user of a device such as a digital still camera can ascertain the transfer history of an image file that has been transferred to the camera. An image file is obtained by “Mr. A” shooting a subject using a digital still camera, whereupon information concerning the owner of the camera is read and “Mr. A” is written to a photographer/transferor history table as the photographer of the image file. The table is placed in the header recording area of the image file. If the image file is transferred to a “Miss B”, the table is read out of the image file and “Miss B” is written to the table as the transferor of the image file. The table thus updated is placed in the header recording area of the image file. One can determine the photographer and transferor of the image file by referring to the table.

Abstract: An aspect of the present invention provides a portable device having a first enclosure and a second enclosure, comprising: a joint device which slidably joints the first enclosure and the second enclosure, and which enables a first operation of slidably moving the first enclosure between a first position and a second position in a same plane and enables a second operation of rotatably moving the first enclosure around a predetermined axis in the same plane based on a reference position of at least one of the first position and the second position; and an instruction input device which inputs an instruction to the portable device based on at least the second operation of the first enclosure.

Abstract: A portable device having a first enclosure and a second enclosure, comprises: a linking device which slidably links the first enclosure and second enclosure in a slidable manner, the linking device permitting a first action of shifting the first enclosure between a first position and a second position in a plane, and a second action of shifting the first enclosure at least in a direction different from a direction of the first action in the plane using at least one of the first position and second position as a reference position; and a command input device which inputs a command to the portable device on the basis of at least the second action of the first enclosure, thereby enabling to operate the portable device according to the action of the first enclosure.

Abstract: A number of images are grouped and recorded in an image database. A main image is displayed in a main display area. Images having both “PORTRAIT” and “BEACH” photographic scenes, which have been assigned to the main image, assigned thereto are found in groups different from the group to which the main image belongs. The images found are displayed in an auxiliary display area as related images.

Abstract: When image data is sent and received between cameras via communication, it is possible for the user to ascertain the images that are being communicated. Thumbnail image data for transfer purposes is transmitted from a transmit-side camera to a receive-side camera. Main (full-size) image data is thenceforth transmitted from the transmit-side camera to the receive-side camera. When the main image data is sent and received, display screens on respective ones of the cameras display an image in which a transfer thumbnail image represented by transfer thumbnail image data moves from the display screen on the transmitting side to the display screen on the receiving side.

Abstract: It is so arranged that the user of a device such as a digital still camera can ascertain the transfer history of an image file that has been transferred to the camera. An image file is obtained by “Mr. A” shooting a subject using a digital still camera, whereupon information concerning the owner of the camera is read and “Mr. A” is written to a photographer/transferor history table as the photographer of the image file. The table is placed in the header recording area of the image file. If the image file is transferred to a “Miss B”, the table is read out of the image file and “Miss B” is written to the table as the transferor of the image file. The table thus updated is placed in the header recording area of the image file. One can determine the photographer and transferor of the image file by referring to the table.