Abstract:
A lens unit includes: a lens barrel (11); a movable section (49) including a movable lens (53) and configured to be moved in an optical axis direction relative to the lens barrel (11); a linear actuator (65) including a drive magnet (48) and a drive coil (51) and configured to move the movable section (49) in the optical axis direction by supplying a current to the drive coil (51); and a pair of biasing blade springs (35, 40) including holding portions (36, 42) for holding the movable section (49), a plurality of spring portions (37, 43) biasing the movable section (49) in the optical axis direction, and attachment portions (38, 44) to be attached to the lens barrel (11). One of the biasing blade springs (35, 40) is formed with two spring members through which the current is supplied to the drive coil (51).
Abstract:
PROBLEM TO BE SOLVED: To provide a compact imaging lens which is compact, whose cost is reduced though it has high performance and further which hardly causes ghost, and an imaging apparatus using the imaging lens. SOLUTION: The imaging lens 1 is constituted by arranging a first lens L1, a diaphragm S, a second lens L2 and a third lens L3 from an object side to an image side. The third lens has negative power at its center part and has positive power at its periphery part, and further its surface on the image side is almost plane or convex to the image side. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To solve the problem that time is required before a lens holder is moved to a focus adjustment range after rotating the lens holder and focus adjustment cannot be quickly performed in short time in a conventional electronic camera.SOLUTION: An electronic camera is constituted so that a casing 4 provided with a through hole into which a lens holder 3 provided with a male screw part 8 on the outer peripheral surface is engaged includes a circuit board 6 to be attached so as to close one end of the through hole, the casing 4 has a female screw part 31 to be engaged into the male screw part 8, the circuit board 6 has an image pickup device 5, two or more notches 10 into which engaging pawls 12 of an adjustment jig 11 for performing focus adjustment of an imaging lens 2 are engaged are provided at an outer edge part on the opposite side of the circuit board 6 of the lens holder 3, the start end ME is positioned at a predetermined position of the lens holder in the male screw part 8, the start end WE is positioned at a predetermined position of the casing in the female screw part 31, and depth or height in the light axis direction, or length or intervals in the circumferential direction are different in at least two notches in the notches 10.
Abstract:
PROBLEM TO BE SOLVED: To provide an arrangement structure of lens advantageous to the cost reduction, and to provide a camera module and electronic equipment. SOLUTION: A first lens 20 and a second lens 22 are arranged so that a first engagement surface 2204 is engaged with a third engagement surface 2004, and a first inner peripheral surface 2006 is engaged with an outer peripheral surface 2202. In a state in which the first lens 20 and the second lens 22 are positioned, the second lens 22 and a third lens 24 are arranged so that a second engagement surface 2206 is engaged with a fourth engagement surface 2404, and a second inner peripheral surface 2406 is engaged with the outer peripheral surface 2202. As for the first, second and third lenses 20, 22 and 24, the optical axes of the lens parts 20A, 22A and 24A are aligned with one another, and the positioning of the lens parts 20A, 22A and 24A in the optical axis direction is performed. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To prevent dust from entering a lens barrel, while realizing miniaturization, etc. SOLUTION: The lens unit comprises: a lens barrel 11 in which a photographic optical system is disposed; a movable section 49 having a movable lens and moved in the direction of its optical axis relative to the lens barrel; and an actuator 65 for moving the movable section 49 in the direction of the optical axis. The outer shape of the movable section, which projects from the direction of the optical axis, is almost circular. The lens barrel is composed of a first member 12 and a second member 13 connected in the direction of the optical axis. The first member is provided with an approximately rectangular base face 14 disposed in the direction of an optical axis, and a pair of projections 15, 15 projecting toward the second member from the opposite edges of the base face. The second member is provided with an approximately rectangular base base 23 disposed in the direction of an optical axis, and a pair of projections 24, 24 projecting toward the first member from the opposite edges of the base face. The first and the second members are connected together such that the pair of projections of the second member are disposed between the pair of projections of the first member and an angular tubular section is formed by the four projections. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To obtain a printing paper with discriminating marks and a method and a device for detecting incorrect collating in bookbinding, with which an incorrect collating can be surely and easily detected when the incorrect collating occurs during the bookbinding. SOLUTION: In a bookbinding, one signature is formed by folding a folio size paper, in a plurality of pages and folding lines of which discriminating marks M are printed, in the predetermined order so as to make ridge folded portions. In order to detect an incorrect collating, the discriminating marks printed on the sides of a plurality of piled up gathered signatures 30 are imaged so as to process image data in order to compare and calculate the standard number of discriminating marks, vertical and horizontal pitches between the discriminating marks adjacent to each other, the size (or the length and width) of each discriminating mark. As the result in the comparison and calculation, when a discordance presents, the development of an incorrect collating is judged and the discorded gathered signatures 30 are removed. When no discordance presents, the gathered signatures are judged as acceptable articles and subjected to apply the carrying method to the following cutting process.
Abstract:
PROBLEM TO BE SOLVED: To provide a mounting structure for multiple lenses which is advantageous for making them compact, and to provide a camera module and electronic apparatus. SOLUTION: First, second and third lenses 20, 22 and 24 are fixed by an adhesive, in such a state that the optical axes of them coincide with one another, without using a cylindrical member being a member used exclusively for holding a lens, as in conventional manner. Engaging surfaces 2010 and 2206 are in a state of being engaged with one another, and abutting surfaces 2012 and 2208 are allowed against one another, to incorporate the second lens 22 in the first lens 20. The engaging surfaces 2206 is engaged with an engaging surface 2410 and the abutting surfaces 2210 and 2412 are allowed to abut against one another, to incorporate the third lens 24 in the second lens 22. An ultraviolet-curing adhesive 6 is filled in between the top end surfaces 2006A and 2406A of cylindrical portions 2006 and 2406 facing each other, and the first and third lenses 20 and 24 are drawn to each other, in a direction along the optical axis by cure and shrinkage, when the ultraviolet curing adhesive 6 is cured. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To utilize application other than imaging without separately arranging space by effectively utilizing space between a lens and an imaging device. SOLUTION: The imaging apparatus is constituted by incorporating the lens 1 condensing light on an imaging area and the imaging device 2 having the imaging into a lens barrel 10, and is equipped with a detection device 3 attached to a part of the lens 1 and an information processing part 4 electrically connected to the detection device 3 through a signal conductor 31 and processing information obtained by the detection device 3. COPYRIGHT: (C)2005,JPO&NCIPI