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| Number | Title | Issue Date |
| 7773875 | Auto-focusing camera module having liquid lens Provided is an auto-focusing camera module having a liquid lens. The auto-focusing camera module includes a lens barrel having a liquid lens and a solid lens stacked and disposed therewith; an image sensor for focusing light that is passed through the liquid lens an... | 08/10/2010 |
| 7317350 | Transresistance amplifier for a charged particle detector Disclosed is a transresistance amplifier for a charged particle detector, comprising a variable input resistance, which may be a phototransistor (IC3), a voltage amplification stage (IC1) and control means (IC3), operable to vary the variable in... | 01/08/2008 |
| 7248795 | Image projection apparatus, projection image pattern, laser drive apparatus, camera apparatus Image projection apparatus wherein, a focusing lens is controlled when a shutter is operated so that a contrast signal, obtained when a luminance signal from a camera signal processing circuit is supplied to an auto focusing detection circuit, may become maximum. A ... | 07/24/2007 |
| 7239306 | Electronic pen An electronic pen has a body, a cap and an actuation device. The actuation device comprises a sensor arrangement for sensing presence or absence of the cap on the body. The actuation device is operable to activate the electronic pen in response to removal of the cap... | 07/03/2007 |
| 7228070 | Image projection apparatus, projection image pattern, laser drive apparatus, camera apparatus Image projection apparatus wherein, a focusing lens is controlled when a shutter is operated so that a contrast signal, obtained when a luminance signal from a camera signal processing circuit is supplied to an auto focusing detection circuit, any become maximum. A ... | 06/05/2007 |
| 7187858 | Camera and method for operating a camera based upon available power in a supply In one aspect of the invention, a camera for use with a power supply is provided. The camera has a voltage detecting circuit adapted to detect a voltage level at the power source and to generate a voltage level signal. An image capture system is also provided and pe... | 03/06/2007 |
| 7149421 | Image pickup apparatus and power supply control method therefor In order to be able to reduce power consumption while making possible manual operation in any scene when the photographic situation demands its use, an image pickup apparatus has a ring member arranged concentrically with the optical axis of lenses, a detecting devi... | 12/12/2006 |
| 7142241 | Image pickup device An image pickup device has an image sensor having rectangular light receiving portions arranged in a matrix, and microlenses disposed in correspondence with said light receiving portions, said light receiving portions and said microlenses being formed integrally wit... | 11/28/2006 |
| 7064787 | Method and apparatus for adjusting sweep-out frequency for an imaging apparatus responsive to an operating state of a strobo means An operating condition judging means judges at least one of consumed current, whether or not a mechanically driven part is being operated, the supply voltage level, the ambient temperature, whether or not the lens stop device is operative, whether or not the strobo ... | 06/20/2006 |
| 7003408 | Hysteresis characteristic setting device and hysteresis characteristic setting method For providing a hysteresis characteristic setting device configured by components smaller in number than those of a logic circuit or a comparator circuit for setting a hysteresis characteristic, the device comprises a resistor voltage dividing circuit including two ... | 02/21/2006 |
| 6980252 | Electronic camera and battery voltage controlling method employed therein for successively, rather than simultaneously, operating camera portions during conditions of low battery voltage An electronic camera free from failures of an internal circuit, such as a signal processing portion, caused by a drop in battery voltage when there remains a small amount of electric charge in the battery, includes a signal processing portion for signal-processing a... | 12/27/2005 |
| 6973263 | Image projection apparatus, projection image pattern, laser drive apparatus, camera apparatus Image protection apparatus wherein, a focusing lens is controlled when a shutter is operated so that a contrast signal, obtained when a luminance signal from a camera signal processing circuit is supplied to an auto focusing detection circuit, may become maximum. A ... | 12/06/2005 |
| 6937285 | Image pickup apparatus and power supply control method therefor In order to be able to reduce power consumption while making possible manual operation in any scene when the photographic situation demands its use, an image pickup apparatus has a ring member arranged concentrically with the optical axis of lenses, a detecting devi... | 08/30/2005 |
| 6778770 | Camera control settings with persistence based on elapsed time since power-off A camera, at power-on, determines elapsed time since power-off. The camera restores at least one control setting to a persistent value when the elapsed time is less than a predetermined threshold. The camera restores the at least one control setting to a default val... | 08/17/2004 |
| 6694097 | Distance measuring device, focus detector, and camera including plural sensors and controller for selectively providing power to sensors and respective processing circuits A distance measuring device, or a focus detector, including a plurality of sensors provided in association with a plurality of different areas, and a respective plurality of processing circuits provided in association with the plurality of sensors, to pro... | 02/17/2004 |
| 6650833 | Exposure control drive apparatus To prevent temporary reduction of battery voltage when driving a shutter, an exposure control drive apparatus is provided with a boosting circuit for boosting a voltage of the battery and outputting a boosted voltage. A capacitor is charged by the boosted... | 11/18/2003 |
| 6643458 | Image pickup apparatus and method of controlling same There is disclosed an image pickup apparatus having a lens barrel which is sinkable into the apparatus body, and is controlled, if necessary, not to sink into the body even when the power is switched off The image pickup apparatus has a power key which sw... | 11/04/2003 |
| 6580571 | Lens apparatus The lens apparatus permits rapid focusing by the operator demanding an autofocus start-up direction to carry out AF in the direction in an AF mode. When a start of the AF mode is instructed, an AF standby state of waiting for the operator to demand the AF... | 06/17/2003 |
| 6424808 | Focus detecting device, and camera having the focus detecting device A focus detecting device includes a light receiving device which receives reflection light from an object of focus detection, an auxiliary light device which illuminates the object of focus detection with auxiliary light, and a control circuit which contr... | 07/23/2002 |
| 6246467 | Rangefinder apparatus A rangefinder apparatus, which projects light toward a range-finding object, detects light reflected from the range-finding object, and measures the distance to the range-finding object according to a position where the light is detected, includes a step-... | 06/12/2001 |
| 6173123 | Rangefinder apparatus A rangefinder apparatus includes an infrared light-emitting diode for projecting light toward a range-finding object; a position sensitive device for detecting projected light reflected from the range-finding object and outputting a signal according to a ... | 01/09/2001 |
| 5832324 | Power supply unit of camera The present invention provides a power supply unit of a camera which efficiently drives a heavy-load system even when a power supply voltage is low and thus drives a heavy-load circuit in a short time in the photographing sequence of the camera without an... | 11/03/1998 |
| 5809315 | Electronic apparatus The present invention relates to an electronic apparatus which is arranged to drive a load by means of a microcomputer to which the boosted voltage obtained by boosting a battery output by boosting means is applied. The present invention also relates to a... | 09/15/1998 |
| 5802405 | Camera apparatus that can have the time for moving rear lens group reduced when powered The position of a rear lens group at the time power is turned off is stored in a memory as a relative value on the basis of the positions of the rear lens group focusing on a subject at a near point and at an infinity point, respectively, with respect to ... | 09/01/1998 |
| 5752100 | Driver circuit for a camera autofocus laser diode with provision for fault protection A laser diode current drive control circuit including a drive circuit supplying a modulated laser diode current drive signal, a laser diode drive current source having a switch responsive to the drive circuit for controlling flow of drive current to the l... | 05/12/1998 |
| 5692094 | Film image scanning apparatus for picking up an image and magnetic data recorded on a film without deterioration from noise generated by a peripheral circuit A light source illuminates a developed silver salt photographing film having a magnetic recording portion on which magnetic data is recorded. A light source drive section drives the light source. An image read section reads image data from the film illumi... | 11/25/1997 |
| 5669023 | Optimal charging and energy conserving apparatus and method for controlling camera functions in an automatic flash camera An autofocusing camera allows a distance measurement operation even if the electric charge amount accumulated in the condenser does not reach a predetermined value when a picture to be taken does not require flash (strobe) light emission.... | 09/16/1997 |
| 5606382 | Manual focusing circuit using a signal stabilizer A manual focusing circuit of a camera comprising a rotation ring having a plurality of projections, wherein the ring is manually rotated forward and rearward by a user. The manual focusing circuit further comprises a first sensing element, which is couple... | 02/25/1997 |
| 5438387 | Automatic focusing camera with control of focusing optical system position and driving power source velocity An automatic focusing camera system has a lens barrel with a focusing optical system, and a camera body. A focus detecting device in the camera body outputs a focus detecting signal. A calculating device in the camera body calculates driving information o... | 08/01/1995 |
| 5327070 | Power supply circuit for driving a light emitting element In a step-up circuit for causing the emission of light of a distance measuring light emitting element, the step-up circuit outputs a step-up voltage from one terminal of a step-up capacitor. A step-up voltage level changeover circuit applies a step-up vol... | 07/05/1994 |
| 5283608 | Camera capable of outputting brightness and measured distance information A camera capable of outputting brightness and distance information comprising a microcomputer, a battery checking circuit, an autofocusing circuit, an infrared-emitting circuit, a light receiving element PSD, a light intensity measuring circuit, a LCD dri... | 02/01/1994 |
| 5268729 | Means for repeatedly measuring object distance responsive to pulse light reflected from an object and utilizing the measurements for photographing The present invention comprises a distance measurement start signal output device for outputting a distance measurement start signal, a light projecting device for projecting a light flux to a distance measurement object multiple times in response to the ... | 12/07/1993 |
| 5177520 | Optical apparatus In an optical apparatus having a group of contacts for electrical connection with another apparatus, a plurality of contacts for communication are disposed between a power-supply contact and a grounding contact; the power-supply and grounding contacts are... | 01/05/1993 |
| 5142318 | Camera system capable of automatic focus control A camera system with an auto-focusing system includes a camera body and an interchangeable zoom lens. The interchangeable objective lens stores various data to be sent to the camera body for improving automatic focus adjustment, such as an information nec... | 08/25/1992 |
| 5043754 | Power supply device for camera A power supply device in a camera system having an accessory arranged to be mountable and dismountable on and from a camera body which includes a power source. The camera body includes an electronic circuit arranged to communicate with the accessory by a ... | 08/27/1991 |
| 5034769 | Interchangeable camera and interchangeable flash device A flash device for a photographing camera comprising an ordinary flash mechanism, an improved flash mechanism including a part of the ordinary flash mechanism, an operation mode controller which selectively switches the operation mode of the flash mechani... | 07/23/1991 |
| 4992821 | Camera A camera includes a film feeding mechanism for feeding a film to take an exposure on a next frame, a charging mechanism, a focusing mechanism, a first actuator serving as a drive source for driving the film feeding mechanism, a second actuator serving as ... | 02/12/1991 |
| 4746948 | Focus detection device A focus detection device for a camera, especially for a single lens reflex camera is disclosed. The focus detection device provides a light measuring means for measuring the color temperature of light beams being incident thereinto and a correction means ... | 05/24/1988 |
| 4733262 | Camera system capable of automatic focus control A camera system with an auto-focusing system includes a camera body and an interchangeable zoom lens. The interchangeable objective lens stores various data to be sent to the camera body for improving automatic focus adjustment, such as an information nec... | 03/22/1988 |
| 4652108 | Driving device for illuminating lamp of flash apparatus Driving device for illuminating lamp of flash apparatus comprises means for detecting supplied voltage supplied to the illuminating lamp and generating a detection signal corresponding to thus detected voltage, power supply means for supplying power to th... | 03/24/1987 |
