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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Nomura; Hiroshi
Address:
Tokyo, JP
No. of patents:
99
Patents:


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Patent Number Title Of Patent Date Issued
RE39752 Lens barrier opening/closing device of a movable lens barrel July 31, 2007
A lens barrier opening/closing device of a movable lens barrel includes a barrier blade which is driven to open and close a photographic aperture; a barrier drive ring driven to rotate about an optical axis; a first biasing device which biases the barrier drive ring in a rotational d
7557904 Wafer holding mechanism July 7, 2009
A wafer holding mechanism for holding a wafer affixed to a frame with a tape utilizing a suction force. The wafer holding mechanism includes a suction body, a wafer holder with a holding surface for holding the wafer via the tape, and a suction unit with a suction portion disposed at an
7555893 Aircraft propulsion system July 7, 2009
To provide an aircraft propulsion system which can secure the optimum thrust and thrust vector for flight conditions, as well as the optimum sectional area for the engine, and which is highly compatible with the environment.An electrical generator is coupled to a turbofan engine, the
7423405 Electromagnetic rotating machine September 9, 2008
In order to obtain an electromagnetic rotating machine of lightweight and high energy efficiency, which produces big torque for rotating a large-diameter fan, a coil A and coil B as excitation coils are disposed on an inner peripheral surface of a fan casing so as to face an outer ci
7260071 Radio lan communication system August 21, 2007
A wireless LAN communication system includes a base stations having terminals respectively associated with the base stations and managed by a network management system. In the wireless LAN communication system, each of the base stations includes an association information transmitting
6160962 Camera with lens barrier apparatus December 12, 2000
A lens barrier apparatus includes a lens barrier having opened and closed positions, The lens barrier is positioned on the front face of a lens barrel and protects a camera lens. A motor which drives the opening/closing of the lens barrier and an encoder outputs a predetermined signa
6120865 Method for producing molding die for synthetic resin lens barrel having a helicoid and for produ September 19, 2000
An inner barrel includes a male helicoid, and an outer barrel includes a female helicoid which can engage with the male helicoid of the inner barrel. The included angle of trapezoidal threads of the male helicoid are identical to an included angle of trapezoidal grooves of the female
6071581 Die assembly for molding cylindrical body and cylindrical body produced using same June 6, 2000
A molding die assembly includes an outer molding die which forms an outer peripheral surface of a cylindrical mold, and, an inner molding die which forms an inner peripheral surface of the cylindrical mold, wherein the outer molding die is comprised of a plurality of split die elements w
6036377 Camera with lens barrier apparatus March 14, 2000
A camera with lens barrier apparatus in which the lens barrier apparatus is driven by a motor that is also used to drive another mechanical element in the camera. The motor is switched between the lens barrier apparatus and the mechanical element by the movement of a lens barrel. In this
6023376 Lens barrel having a linear guide mechanism February 8, 2000
A lens barrel is disclosed that includes: a linear moving barrel which moves along an optical axis; a unit secured to the linear moving barrel; a linear guide member which moves along the optical axis relative to the unit without rotating about the optical axis, the linear guide member
5999748 Camera with lens barrier apparatus December 7, 1999
A zoom camera includes a lens that is movable from a housed position to an arbitrary position in a photographing enabling range. A lens driver drives the lens, a lens barrier moves between opened and closed positions, and lens barrier closing mechanism moves the lens barrier between an o
5991097 Lens barrel having a linear guide mechanism November 23, 1999
A lens barrel includes an outer barrel provided on an inner periphery with a first thread and at least one linear guide groove intersecting the first thread and extending in a direction of an optical axis of the lens barrel, a middle barrel provided on an outer periphery with a second th
5971630 Camera with lens barrier apparatus October 26, 1999
A zoom camera has a lens barrier apparatus, a front lens group, a rear lens group, a rear lens group is lens barrel that houses said front lens group and said rear lens group, said rear lens group is supported such that a distance between the front lens group and the rear lens group is
5963380 Mold for inner gear and mold for cylindrical product with inner gear October 5, 1999
A mold for a cylindrical product with an inner gear formed by injection molding is disclosed. The mold includes a plurality of sets of first and second inner slide cores each having inner molds with under-cut forming portions. The first and second inner slide cores move in a direction
5953545 Exposure controlling device for camera September 14, 1999
An exposure controlling device comprises, a controlling unit that controls, at the time of an exposure, the DC motor to rotate forward to open the shutter blades and then to rotate reversely to close the shutter blades, a calculating unit that calculates a time period for driving the DC
5907725 Electronically controlled camera May 25, 1999
A position detection system detects a position of a lens of a camera using a code plate provided with a plurality of electrodes arranged to form a plurality of patterns. The ends of the electrodes are respectively connected to a connecting point of a plurality of resistors connected in
5892999 Zoom lens barrel with shutter mounting unit April 6, 1999
A lens supporting mechanism for a lens shutter camera includes a front lens group, a lens supporting barrel, a movable barrel, a rear lens group, and a shutter mounting barrel which includes a shutter with an AE function. The front lens group is fixed to the lens supporting barrel. Both
5884105 Zoom compact camera March 16, 1999
A zoom compact camera arranged such that, during a zooming procedure, the relative amount and speed of movement along the optical axis of a first movable barrel with respect to a second movable barrel are set to be substantially equal to the relative amount and speed of movement along th
5881299 Selectively removing power from multiple display areas of a display unit March 9, 1999
On one display panel, first and second display areas are provided. To display information on each area, an X-driver, a Y-driver, and an LCD controller are provided in each of the display areas. If a display cover is overlaid on the display panel, a predetermined switch is turned on. A
5842057 Camera with lens barrier apparatus November 24, 1998
A camera has a lens barrier apparatus in which the lens barrier apparatus is driven by a motor that is also used to drive another mechanical element in the camera. The motor is switched between the lens barrier apparatus and the mechanical element by the movement of a lens barrel. The dr
5826126 Flexible printed circuit board housing structure for a camera October 20, 1998
A flexible printed circuit board housing structure for a lens barrel of a camera as applied to a camera that includes a control unit, a film chamber, a stationary barrel, a movable barrel, and a flexible printed circuit board. The movable barrel is supported on the stationary barrel in
5821531 Dual sensor encoder for detecting forward/reverse rotation having light modulating patterns with October 13, 1998
An encoder for detecting a forward/reverse movement of a rotatable object includes a rotating shaft that is supported on a base and rotates in accordance with the movement of the subject, two rotating disks fixed to the rotating shaft, and two photocouplers mounted on the base which are
5812889 Lens guide mechanism of a lens shutter type of camera September 22, 1998
A lens guide mechanism has first and second members positioned adjacent to each other in which the second member supports a lens group. The second member is movable relative to the first member along an optical axis of the lens group. The lens guide mechanism also has a first guide shaft
5812887 Lens supporting structure September 22, 1998
A lens supporting structure for supporting a lens group in a lens barrel is disclosed. The lens supporting structure includes: a lens frame which supports the lens group therein; an outer flange formed on an outer periphery of the lens frame; an annular elastic member positioned on the
5812325 Telescoping-type of zoom lens September 22, 1998
A zoom lens includes an outer barrel driven to rotate about an optical axis of the zoom lens which includes at least one first guide groove formed on an inner periphery of the zoom lens and extending in a direction of the optical axis, and an inner barrel positioned inside the outer barr
5809361 Flexible printed circuit board September 15, 1998
A flexible printed circuit board is disclosed having a predetermined circuit pattern printed thereon. The flexible printed circuit board is bent at a predetermined location. The flexible printed circuit board includes a covered portion at which a part of the printed circuit pattern i
5809348 Zoom compact camera September 15, 1998
A zoom compact camera is provided with a stationary barrel portion and includes a movable barrel that houses a zoom lens. A linear guide groove is formed parallel to the optical axis on the stationary barrel portion. A guide key is provided on the movable barrel. The guide key slidably f
5796062 Method for producing molding die for synthetic resin lens barrel having a helicoid and for produ August 18, 1998
A method for producing a male helicoid molding die which is adapted to manufacture an inner barrel having a male helicoid, and for producing a female helicoid molding die which is adapted to manufacture an outer barrel having a female helicoid which can engage with said male helicoid
5794085 Exposure controlling device for camera August 11, 1998
An exposure controlling device comprises, a controlling unit that controls a DC motor, a calculating unit that calculates a time period between a predetermined starting point and a point where a predetermined aperture area is obtained during the forward rotation of the DC motor, and a ti
5793537 Lens barrel having a linear guide mechanism August 11, 1998
A lens barrel is disclosed that includes: an outer barrel provided on an inner periphery thereof with a first thread and at least one linear guide groove intersecting the first thread and extending in a direction of an optical axis of the lens barrel; a middle barrel provided on an outer
5790905 Exposure controlling device for camera August 4, 1998
The exposure controlling device comprises a controlling unit that controls, at the time of an exposure, the DC motor to rotate forward to open the shutter blades and then to rotate reversely to close the shutter blades, a calculating unit that calculates a time period for driving the DC
5788911 Method of manufacturing inner gear and method of manufacturing cylindrical product August 4, 1998
A method of manufacturing the cylindrical product includes the steps of inserting a first cylindrical mold into a hole at the center of a second cylindrical mold and engaging a toothed portion on the first cylindrical mold with a spiral groove on the second cylindrical mold to provide a
5784653 Electronically controlled camera July 21, 1998
Disclosed is an electronically controlled camera in which a lens system moves along its optical axis. When the lens stops moving, a brake is applied. In order to prevent unnecessary braking which is applied after the lens stopped, the brake is applied wile the lens is moving, and the
5784206 Moving lens position detecting device July 21, 1998
A lens drive mechanism includes first and second members positioned adjacent to each other, where the second member supports a lens group and is movable relative to the first member along an optical axis of the lens group. A first guide shaft is provided which extends in a direction of t
5781817 Exposure controlling device and encoder for camera July 14, 1998
An exposure controlling device includes, an aperture diaphragm that is driven by a motorized driving mechanism to open and close, an encoder for detecting an actuation of the motorized driving mechanism comprising a photocoupler and a rotating disk mounted in connection with the phot
5774748 Zoom lens barrel and camera having such a barret June 30, 1998
A zoom lens camera includes a whole unit moving device to move a front lens group and a rear lens group together as a whole in an optical axis direction, and a relative moving means to vary a distance between the front lens group and the rear lens group. The whole unit moving means is
5765048 Telescoping type of zoom lens and cam mechanism therefor June 9, 1998
A lens barrel has first, second and third barrels concentrically arranged in this order from an optical axis. The lens barrel includes at least one cam slot formed on the second barrel and extending oblique to a direction of the optical axis, at least one guide groove formed on an inner
5757559 Lens holding device May 26, 1998
A glass lens and a plastic lens are secured such that the glass lens is retained in a predetermined position with reference to a lens barrel and against a reference surface provided in the lens barrel. The plastic lens is held by a resilient ring-shaped portion of the lens barrel against
5754893 Lens barrel having waterproof coating May 19, 1998
A lens barrel includes a frontmost lens, a lens supporting annular member for supporting the frontmost lens to prevent the frontmost lens from moving rearward from a predetermined axial position relative to the lens supporting annular member, a lens fixing ring for fixing the frontmost
5748997 Control method of a zoom lens camera May 5, 1998
A control method of a zoom lens camera comprising a lens system having a movable front lens group and a movable rear lens group, a first motor for moving the front lens group, a second motor for moving the rear lens group, a first pulse encoder which is adapted to control the angular
5748388 Lens barrel having a rotating barrel and linear moving barrel May 5, 1998
A lens barrel is disclosed that includes a rotational barrel driven to rotate about an optical axis of the lens barrel. The rotational barrel has a plurality of guide grooves formed on an inner periphery thereof. The lens barrel further includes a linear moving barrel guided along the
5742850 Lens shutter type of camera April 21, 1998
A lens drive mechanism is disclosed that includes: a shutter block which supports a lens shutter including a plurality of shutter blades; a lens group guided along an optical axis thereof relative to the shutter block; a first motor secured to the shutter block for opening or closing the
5738885 Die assembly for molding cylindrical body and cylindrical body produced using same April 14, 1998
A molding die assembly includes an outer molding die which forms an outer peripheral surface of a cylindrical mold, and, an inner molding die which forms an inner peripheral surface of the cylindrical mold, wherein the outer molding die is comprised of a plurality of split die elements w
5737644 Lens drive mechanism April 7, 1998
A lens drive mechanism includes first and second members positioned adjacent to each other where the second member supports a lens group and is movable relative to the first member along an optical axis of the lens group, and a first guide shaft extending in a direction of the optical
5734936 Lens shutter type of camera March 31, 1998
A shutter arrangement for a camera which includes a lens shutter, a lens group movable along an optical axis relative to the lens shutter, a first motor for opening or closing the lens shutter, a second motor for moving the lens group along the optical axis, and a first encoder for detec
5721986 Camera and strobe charging system February 24, 1998
Disclosed is a camera provided with a strobe system. The strobe system includes a capacitor to be charged. Charging voltage of the capacitor can be detected through an output terminal. The output terminal can be electrically connected and disconnected to and from the capacitor by a s
5708885 Light intercepting device of a lens shutter type of camera January 13, 1998
A shutter arrangement for a camera which includes a plurality of shutter blades each having a rotational center and an opening formed proximate to the rotational center, a supporting member which supports each of the plurality of shutter blades to be rotatable about the rotational center
5701206 Rotary feed mechanism December 23, 1997
A rotary feed mechanism of a camera includes a stationary barrel secured to a camera body. Multiple-female threads are provided in an inner surface of the stationary barrel. A rotatable barrel is coaxially and movably inserted in the stationary barrel. The rotatable barrel is provided wi
5689738 Camera having back focus adjusting apparatus November 18, 1997
A camera having an apparatus for adjusting a back focus by varying a distance between a rearmost point of lens groups of a photographing optical system and focal plane. The apparatus includes a stationary barrel that supports the lens groups and is fixed to the camera body, and a res
5689379 Inner gear, cylindrical product with inner gear, mold for inner gear, mold for cylindrical produ November 18, 1997
A cylindrical product with an inner gear formed by injection molding, a mold for the cylindrical product, and a method of manufacturing the same are disclosed. The molded product may include a cylindrical base member, a spiral inner gear formed on an inner peripheral surface of the cylin
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