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Document Title |
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7616882 |
Method and apparatus for power management in an electronic device
An electronic device and method for power management in an electronic device is provided. In an embodiment, the electronic device includes the functionality of a personal digital assistant,...
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7539407 |
Image taking apparatus with flash device
An ornament plate of a ring-shape made of a metal with a high heat radiation effect, for instance, aluminum, is attached to an end surface on an object side of a lens barrel such that the ornament...
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7522831 |
Charging device for camera flash
A charging device ( 1 ) for a camera flash includes a digital signal processor ( 10 ) providing a pulse width modulation signal and receiving a feedback signal, a voltage boosting circuit ( 20 )...
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7512333 |
Method and apparatus for powering a strobe for retinal imaging
A lightweight, small, high-voltage power supply for a xenon flash lamp or strobe permits rapid and reliable strobing for retinal imaging. In one embodiment the power supply can develop 500 volts at...
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7492491 |
Image processing apparatus
An image processing apparatus includes a CPU. In a camera mode, a TIFF file in which main image data is stored in such a manner as to satisfy a predetermined condition is recorded-by the CPU in a...
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7480453 |
Camera module with position detecting mechanism
An exemplary camera module includes a lens holder ( 10 ), a lens module ( 20 ), a position detecting mechanism ( 30 ), and an image pick-up module ( 40 ). The lens module includes a lens barrel (...
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7359632 |
Flash apparatus, image capture apparatus having a flash apparatus, and method of controlling a flash apparatus
A flash apparatus or an image capture apparatus includes a charging unit, configured to boost a voltage of an electric source and a control unit, configured to calculate the sum of the light...
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6983106 |
Synchronizer for fundus camera
A synchronizer is provided to establish a mechanical switching interface between an electronic digital color camera and a fundus camera for appropriately coordinating the complete opening of the...
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6804461 |
Flash apparatus and auxiliary battery apparatus
A flash apparatus operates on power supplied from internal batteries and an external battery in an auxiliary battery apparatus. A battery check is executed by detecting the charge speed at which a...
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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...
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6643461 |
Photoflash projection device and a method of using the device
A Photoflash Projection Device and a method of use includes a linear discharge tube in an elongated concave reflector, powered by a self-contained multiplying circuit. The reflector, having a...
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6628337 |
Electronic camera with internal temperature increase controlled
A camera is made compact with its internal temperature adjusted to a more appropriate temperature. A temperature T is read from a temperature sensor disposed within the camera (S 100 ) and it is...
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6564015 |
Electronic flash device
In an electronic flash device, a driving circuit ( 12 ) drives a piezoelectric transformer ( 13 ) in response to an oscillation signal of a predetermined frequency, which is output from an...
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6556790 |
Electronic flash device
An electronic flash device includes: a flash light emission circuit that performs a flash light emission; a light emission control circuit that supplies power for light emission to the flash light...
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6549727 |
Lens-fitted photo film unit with flash device
A lens-fitted photo film unit includes a main body pre-loaded with photo film. A flash unit is secured to the main body, and emits flash light to a photographic field. An exposure opening is formed...
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6546205 |
Charging circuit and accompanying equipment
A charging circuit detects a battery voltage Vp and a charging voltage of a main condenser. When a charge of the condenser is instructed, if the battery voltage is smaller than prescribed value...
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6516144 |
Lens-fitted photo film unit and flash device
In a film unit, a charge operation member is held on a fron side of a guide member to be slidable between an ON position to turn on a flash charge switch of a built-in flash device and an OFF...
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6476564 |
Flash light emitting device
The flash light emitting device includes a charging circuit for charging the light emitting energy into a capacitor by boosting a power supply voltage, and a light emitting circuit for making a...
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6456797 |
Electronic flash unit with alternative capacitor switching
An electronic flash unit has alternative (dual) capacitor switching to reduce flash ready time for flash firing.
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6445881 |
Camera with belt clip movable to ready an electronic device such as an electronic flash
A camera comprising a particular device such as an electronic flash that needs electrical energy to be able to operate and has a power switch capable of being changed from a normal state to a...
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6434338 |
Camera with dual-function battery/manual operating button unit
A camera comprising a power source battery, and an exteriorly accessible operating button that is manually moveable to initiate at least one operation in the camera, is characterized in that the...
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6393221 |
Electronic flash unit with integrated flash charge switch
An electronic flash unit includes a flash circuit board, an illumination-producing flash tube having two opposite end electrodes, respective electrical conductors contacting the opposite end...
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6393220 |
Camera with electronic flash
A power source part supplies power to an electronic flash charging circuit and camera circuits such as an LCD backlight circuit. When the charge begins, the electricity stops being supplied to the...
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6320573 |
Driving a memory display in a camera
A camera having an electronic flash unit which provides a source of high voltage and having a display for displaying an image, which includes the display including material which is effective in a...
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6304722 |
One-time use camera with film winding detection to enable exposure-related component
A one-time use camera comprising a filmstrip having successive frames including first- and last-to-be-exposed frames and a pre-exposure frame immediately preceding the first-to-be-exposed frame, a...
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6289179 |
Power supplying device for flashes
A power supplying device for flashes includes a base having a bottom formed with two opposite grooves, a threaded hole vertically extending therethrough, and two threaded holes, at least a...
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6256457 |
Camera having a vibration compensation device and a strobe emitting device
A camera equipped with a vibration detection unit which detects vibrations in the camera, a vibration compensation unit which performs vibration compensation based on the vibration detection...
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6175690 |
Flash camera with extendable arm for disabling the flash unit
A flash camera has an extendable arm mechanically coupled to a flash on/off switch. The arm extends from the camera body when the switch is on the "on" position, and automatically retracts and...
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6160958 |
Tamper resistant electronic flash unit for one-time-use camera
A tamper resistant electronic flash unit comprising a pair of first and second flash circuit boards arranged parallel to one another in order to have respective inner sides that face towards each...
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6147460 |
Flash apparatus
In a power supply device for a flash apparatus having the primary winding side of a transformer and an oscillation-controlling switching element connected in parallel to a power supply and the...
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6104144 |
Charging circuit for stroboscope
A conventional stroboscope circuit in use for a film camera has encountered with problems that charging of a main capacitor is incapable when other functions of the camera are operated and that a...
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6081673 |
Camera control circuit
A camera control circuit is provided which is capable of carrying out a control operation under a required high voltage even in the case of using a low withstand voltage circuit element which is...
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6064176 |
Electronic apparatus and flash device
An electronic apparatus capable of selectively using a plurality of kinds of batteries includes a battery discriminating circuit for making a discrimination of the kind of the battery used, and a...
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6061528 |
Flash device
In a flash device of the kind preventing a main capacitor from being overcharged by inhibiting a charging action on the main capacitor when the voltage of the main capacitor reaches a predetermined...
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6061527 |
Camera
A D/A converter performs a D/A conversion on digital light quantity indication data outputted from a CPU to generate an analog light quantity indication signal. The analog light quantity indication...
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6058270 |
Photometric device and camera having the photometric device
A low cost, low power photometric circuit suitable for use in a low end camera includes a first counter for counting successive pulses produced by a first oscillator having a substantially constant...
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5990631 |
Stroboscope circuit controlling dimmer operation
In a current cut-off type automated stroboscope circuit which controls a flashlight intensity by cutting off the current flowing through a flash lamp, a high-speed semiconductor switching device...
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5950029 |
Variable format viewfinder mask and lens cover in camera
A camera including a viewfinder for viewing a subject to be photographed, a masking a device for the viewfinder having a number of different format mask configurations, a taking lens for forming an...
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5913085 |
Electronic flash and a camera provided with the same
An electronic flash is provided with a detector for detecting a voltage of a power source when a charging of a capacitor is started, a timer for measuring an elapsed time from the start of the...
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5907725 |
Electronically controlled camera
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...
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5870639 |
Optical data recording circuit for a photographic camera
Data bits representing different aspect ratio formats of film image frames are optically recorded on photographic film by means of light emitting devices energized from the flash charge storage...
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5842047 |
Strobe light and photographic camera incorporating the same
A strobe light which emits light by supplying a flash discharge tube with the electric charge stored in a main capacitor uses an aluminum-electrolytic capacitor having a dissipation factor (tanĪ“)...
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5768638 |
Single-use camera with chemical flash array
A single-use camera including a camera body, a shutter driver, a battery, a film advance mechanism and a film frame counter connected to the film advance mechanism, includes a chemical flash...
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5758212 |
Camera for shortening a strobe charge time
A camera for shortening a strobe charge time comprising the present invention discloses a camera and a method for shortening the charge time of a strobe by mounting a generator around or within a...
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5721986 |
Camera and strobe charging system
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...
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5721962 |
Method of making single-use camera with electronic flash unit from previously used camera parts
A method of making a single-use camera with an electronic flash unit from previously used camera parts, comprising the steps of loading an unexposed-film cassette into a cassette-receiving chamber...
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5717962 |
Electric flash apparatus using MOS controlled thyristor
A power supply circuit includes a booster circuit for boosting an output voltage from a power supply battery to predetermined positive and negative voltages, respectively. A main capacitor is...
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5678077 |
Electronic flash device and camera equipped with said device
The oscillating switching element of step-up transformer comprises a dedicated high-frequency FET and is placed between center tap of the primary coil and the ground of the primary circuit....
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5661372 |
Stroboscopic instrument having a gate-controlled-switching element and a step-up power means therefor
A stroboscopic instrument is constructed of a gate-controlled switching element forming a discharge loop that is connected in series with a discharge lamp and main capacitor for storing charge that...
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5659818 |
Camera having an illumination-angle varying mechanism for preventing a red-eye
A camera has either a built-in flash unit or a removable attachable flash unit which is turnable between a retracted position and a projected position and which is provided with an...
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