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Match Document Document Title
7418209 System and method for multi-dimensional encoding  
The invention provides, according to its various embodiments, a method for secure communication that involves encoding and transmitting an optical communications signal that is encoded based on a...
6847783 Instant camera and recording apparatus  
A camera body of an instant camera is provided with four light sources LED 1 to LED 4 for a display. The four light sources LED 1 to LED 4 flash on and off in mutually different display modes...
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...
6546294 Life cycle monitor for electronic equipment  
A system for monitoring the life cycle of an electronic apparatus of the type that creates an output data record such as an exposed photographic film, or a digital data, sound or image file,...
6351611 Battery check system for use in cameras  
A battery check system for use in a camera has a monitor circuit and a control circuit. The monitor circuit detects the condition of a battery used in the camera. The control circuit controls the...
6317566 Electronic flash device for photographic camera  
An electronic flash device equipped with LED indicator for providing an indication of completion of charging a main capacitor and a circuit for lowering power consumption has a controlling...
6167202 Camera system or flash unit  
A camera system which performs light measurement by causing a flash unit to perform a preliminary emission before causing said flash unit to perform a main emission, and computes a control value...
6091906 Flash device  
In a flash device, a three-terminal switch is provided for connecting or disconnecting between a secondary coil of an oscillating transformer and a base of an oscillating transistor, between the...
5842061 Apparatus using battery  
When an operation such as the operation of the shutter release button or the closing of the cover to the film container compartment is performed, any operation such as charging that was underway is...
5781804 Single touch flash charger circuit with timer control  
A single touch flash capacitor charging circuit particularly useful in low cost cameras incorporating an oscillation timeout circuit to arrest self-sustaining oscillations for conserving battery...
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...
5592257 Electronic flash device with slave emission function  
An electronic flash device having a slave emission function and a standby mode, includes a setting member for setting the slave emission function, activation means activated in response to an input...
5557356 Lens-fitted photographic film unit  
A lens-fitted photographic film unit includes an electronic flash provided therein, a neon lamp to light or flicker when a charging voltage for the electronic flash reaches a predetermined value. A...
5287134 Photographic flash apparatus  
An electronic strobe flash apparatus includes a first energizable flash tube arranged to project light in a first direction to directly illuminate a scene, a second energizable flash arrange to...
5175581 Camera having a built-in strobe and lens for use therewith  
A strobe built-in camera includes a camera body having a strobe built therein and at least one photographing lens to be detachably mounted on the camera body. The camera comprises a strobe...
5138362 Auto strobe camera  
An auto strobe camera that gives a clear indication of the status of a strobe charge operation only when the photographer intends to take a picture. In the preferred embodiment of the invention,...
5109244 Electronic flash apparatus for cameras  
In a camera system including an electronic flash apparatus, a main capacitor of the flash apparatus is charged for a predetermined time interval, in response to a preparatory operation such as a...
5086315 Camera with strobe and lens for use therewith  
A camera having a camera body with a strobe built therein and at least one photographic lens that is detachably mounted on the camera body. The camera has a strobe use-warning device for warning of...
5068575 Indirect storage capacitor voltage sensing means for a flyback type DC-to-DC converter  
In a flyback type self-oscillating DC-to-DC converter, a voltage sensing means indirectly senses the storage capacitor voltage and indicates when the voltage across a storage capacitor has been...
4989029 Camera with control apparatus for charging storage capacitor for flash light emission  
A control unit for charging capacitor for flash emission of a camera having an indication of "CHARGING" in a finder comprises a charging level detecting circuit for detecting level of charging of a...
4912499 Camera apparatus  
In a photographic camera having a built-in electronic flash, a flash charging indicator, such as an LED, is illuminated whenever the flash capacitor is being charged. If the capacitor is charged...
4799078 Camera with shutter actuated by piezoelectric element and flash light emitting means  
A camera with a flash light emitting element and a piezoelectric element for actuating a shutter wherein successive rapid photographing is enabled. The camera comprises a single main capacitor, and...
4777507 Control system for an electronic flash unit  
A flash charge related signal which indicates that there is inadequate flash energy to fire an electronic flash device is provided during flash-charging, until the elapse of a predetermined...
4751545 Battery check circuit of electronic strobe flash unit of camera  
A battery check device for checking a battery of a camera having at least a storoboscopic flash unit is disclosed, which functions to compare a first reference time with a charging time of a main...
4705373 Charge completion confirming device for flash light devices  
The present invention relates to a device for confirming whether all of flash light devices to be used are in the fully charged state or not in case a plural number of flash light devices are used...
4688921 Alarm device for camera  
An alarm device for a camera provided with a stop control device for automatically controlling the stop of an objective lens mounted on the camera, and a photosensor for receiving an illumination...
4672273 Electronic flash device for camera  
The enclosed electronic flash device for a camera includes a booster circuit connectible to an electrical power source or battery, a high voltage rectifier diode for rectifying the output of the...
4557571 Compact camera with flash unit  
A photographic camera includes a built-in electronic flash unit which is pivotable with respect to the camera housing. The flash unit pivots between an inactive folded position in which it forms an...
4530581 Information display device for camera  
A camera is adapted to support a flash device capable of functioning in synchronism with camera exposure operation when electrically connected thereto and of generating electrical energy and to...
4522480 Battery voltage checking device for cameras  
A battery checking device for cameras of the type having a booster circuit the output of which is fed as electrical power to a load is disclosed. In the case of the camera of the type described,...
4519684 Photo flash lamp  
An improved photo flash lamp, especially suited for medical photography includes a housing having a viewing tube extending therethrough and protruding therebeyond for mounting onto an adapter...
4464039 Charge completion detecting device for flash photography system  
An electric signal of a level which corresponds to a required amount of flash light based on flash exposure conditions e.g. film sensitivity, aperture value and object distance data in a camera is...
4431291 Indicating device for a camera  
In a camera usable with an electronic flash device and including an indicating element adapted to be operated when the electronic flash device has become capable of emitting flashlight, an electric...
4430602 Electronic flash device  
In the disclosed device, a DC-DC converter boosts the output of a battery to charge a capacitor that stores electrical energy to be converted into light energy and turns on a neon tube when the...
4395101 Apparatus for presetting photographing distance for camera  
An apparatus for presetting the photographing distance for a camera is responsive to a movement of flash photography operating means to operate switch operating means which is disposed within an...
4387976 Light quantity indicating circuit for an electronic flash device  
The present invention provides an electronic flash device which has a function of light measuring device. The electronic flash device comprises, substantially, a flash unit for generating flash...
4384776 Charge detection display type electronic flash  
A charge detection display type electronic flash in which the fact that the main capacitor is charged is detected and the flash is prevented from operating until the main storage capacitor is fully...
4370042 Ready-to-flash condition indicating device for a camera  
A device in a camera is provided with a light-emitting element driven by a signal current from an electronic flash device to emit light and indicate the ready-to-flash condition of the electronic...
4351600 Flash output control failure warning device of an automatic flash output control speed light  
A flash output control photography failure warning device in a camera is provided with a quantity-of-light detecting circuit adapted to start operating in synchronism with shutter release and to...
4333719 Multiple flash adaptor  
An adaptor for a camera for operating multiple flash units with a single camera device in which all of the flash units simultaneously emit light. Output signals from each of the flash units...
4324468 Electric source circuit for camera  
An electric source circuit for a camera in which the voltage of a power source is automatically applied to the exposure control and display circuit of a camera when the electronic flash is fully...
4322143 Electronic flash for a camera  
An improved flasher wherein power input to the charging circuit thereof is automatically cut-off when the device is ready to flash including a two-way switching member and an electromagnet which...
4299463 Display device for camera  
In the disclosed system, a camera of the type which manually presets a diaphragm aperture and particularly for a camera which operates with a computer flash device. For flash operation, the...
4295717 Camera with operation indicator for auto-strobo unit  
A camera with operation indicator for auto-strobo unit which includes a light emitting element which indicates the completion of a flashlight illumination by the strobo unit. The operation...
4291963 Electronic flasher  
An improved electronic flasher for a camera having automatic power cut-off means for automatically cutting the power input to the charging circuit thereof when the device is ready to flash is...
4290678 Piezoelectric flash-ready indicator for photographic camera  
A piezoelectric flexure device, mounted on a photographic camera, is used to indicate the "state of readiness" of the camera's electronic flash unit. The flexure device is operatively connected...
4290677 Apparatus for checking the operational status of an electronic strobe unit's battery under load conditions  
A battery check apparatus for an electronic strobe flash unit automatically indicates the charge condition of a battery under load. The electronic strobe flash unit includes means for charging a...
4260231 Electronic flash device  
An electronic flash device comprises a switch member moving in response to on-off operations of a power switch, and an interlocking mechanism for interlocking the switch member with said indicating...
4259615 Photographic flash device  
A photographic flash device comprising a main capacitor for flashing a flash discharge tube, a DC-DC converter, a constant-voltage circuit for controlling the oscillation function of the DC-DC...
4258991 Electronic flash apparatus for a camera  
An electronic flash apparatus for a camera is provided with a main discharge capacitor, a charging means for charging the capacitor, a flash discharge tube which radiates light through the...
Matches 1 - 50 out of 88 1 2 >