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Match Document Document Title
7178999 Shutter-opening/closing and shutter-flash synchronization driver for dual-blade shutter in camera  
A flash camera has a single-piece shutter-opening/closing and shutter-flash synchronization driver that translates in one direction to pivot a pair of shutter blades away from one another and...
7106962 Synchronizing shutter and flash in camera with switch closing member capable of elastic deformation  
A camera with a built-in electronic flash has a spring-driven high energy lever that is pivoted for initiating shutter opening and for translating a switch closing member to close a normally open...
6701077 Exposure control system and camera having same  
In a first aspect of the present invention, a camera exposure control system is provided. The camera exposure control system has a shutter movable during an exposure period through a path of travel...
6490416 Focal plane shutter having synchronous contact member  
A focal plane shutter for a camera has a synchronous contact member that produces less chattering than conventional synchronous contact members. One end of an opening electromagnet and one end of a...
6418278 Camera shutter system  
The camera of this invention includes an improved shutter system that has the same shutter waveform when a flash is employed and when a flash is not employed. In a preferred embodiment, the shutter...
6389234 Camera incorporating a focal-plane shutter  
There is described a camera incorporating a focal-plane shutter. The camera includes a lens, an image window having an aperture to bound a light coming through the lens in a plain perpendicular to...
6253030 Camera shutter  
A shutter for a camera has a film advance mechanism for advancing film past a shutter opening and a stroboscope for emitting light. The shutter has a base plate having the shutter opening, opening...
5913084 One-time-use camera with shutter, flash, and optical film encodement synchronization  
A camera comprises flash circuit board, a shutter-flash synchronization contact conductively connected to the flash circuit board for synchronizing shutter opening and flash illumination, a shutter...
5899588 Shutter device of a camera  
A shutter blade is rotatably attached between a base member and a cover member which constitute an exposure unit. An engaging shaft of the shutter blade emerges from a hole formed in the cover...
5721985 Shutter and flash synchronization assemblage  
A shutter and flash synchronization assemblage comprising a flash circuit board having a shutter-flash synchronization contact, an electrically conductive shutter blade supported for movement...
5708876 One-time-use camera with combined shutter-flash synchronization contact and holder for flash capacitor and battery  
A camera comprises a shutter-flash synchronization contact, a pair of battery contacts, a flash capacitor, and a flash circuit board conductively connected to the shutter-flash synchronization...
5640622 Electronic flash apparatus of a camera  
An electronic flash apparatus of a camera incorporating a focal plane shutter has a capacitor for storing an electric charge, a flashtube for irradiating a subject with a flash of light by the...
5619737 Encodement-on-film recording apparatus utilizes flash components in a camera  
A camera assembly comprises a plurality of encodement-on-film recording means adapted to receive electrical energy to provide various film encodements, an encodement-on-film selector movable to...
5530320 Flash fire control system for leaf shutter cameras  
A device for controlling the firing of one or more electronic flash units by a leaf type camera shutter. Flash synchonization is provided by switch selectible modes at shutter opening, at shutter...
5504554 Automatic light emission control system for electronic flash  
An automatic light emission control system separately compensates the flashlight emission of each of a plurality of electronic flashes. A camera generates a first signal in synchronism with the...
5432585 Improved flash lockout  
A camera locks out an attempted flash photograph when the voltage of the flash charger is below a minimum voltage necessary for the flash to fire. Flash lockout may also take place when: the flash...
5170199 Lens-fitted photographic film unit  
A main body of a lens-fitted photographic film unit is provided with a film wind-up mechanism, a taking lens and a shutter mechanism. The main body with an unexposed film incorporated is covered by...
4920371 Camera control device  
A camera control device connected with an electronic still camera, a master camera and a strobo device, in which the shutter release operation of both camera is controlled so that, when a release...
4801957 Disposable single-use camera and accessory re-usable electronic flash unit  
A disposable single-use camera is generally of the type wherein an inner camera part is pre-loaded with film and includes a taking lens, and an outer sealed pack contains the camera part and has an...
4769660 Pin-hole type camera  
The invention relates to a pin-hole type camera in which the camera casing is divided into a plurality of light-tight sections, each of which is provided with a pin-hole, a shutter mechanism, a...
4761666 Camera capable of flash photography  
In a camera having a focal plane shutter, a magnet restrains the rearward shutter curtain in response to the supply of power to the magnet. A control device controls the period of power supply, and...
4615604 Circuit board for electrical instrument control  
A circuit board for electrical instrument control having patterns to which is applied a high voltage. In preventing the high voltage when appearing across the patterns from producing a faulty...
4527876 Exposure control shutter of a camera  
An exposure control shutter of a camera having an exposure opening, comprising first and second plane shutter blades, each shutter blade having a relatively large aperture and a relatively small...
RE31547 Exposure control mechanism for use with chemical flash  
An exposure control mechanism for use with chemical flash illumination includes a shutter having a primary shutter blade mounted for pivotal movement between a rest position wherein the shutter...
4353632 Electromagnetically driven shutter device  
In the disclosed device, an electromagnetic drive source in the form of a stator and rotor opens and closes shutter blades. A magnet sensor senses the displacement phase of the rotor, or any member...
4334747 Device for preventing spring-back of shutter blade  
A device for preventing spring-back of the shutter blade of a camera wherein a plate spring projecting into the moving field of a shutter operation is provided with the motion of the shutter...
4317070 Circuits for flash equipment  
A circuit for flash equipment having a trigger control switch or an SCR with its gate lead connected to a condenser through a switching transistor which is rendered conducting when the main flash...
4299461 Exposure and flash fire control system  
A dual mode range responsive exposure and flash fire control system operates as a function of the photographic subject being located in either a near distance or a far distance range from the...
4295722 Camera for daylight and flash photography  
A flash unit triggering arrangement that cooperates with a shutter control mechanism or circuit of a camera for permitting the firing of a flash lamp of the flash unit in a time period during which...
4268147 Focal plane shutter device  
A focal plane shutter device of the present invention is provided with leading blade braking means arranged near the terminal end of running down movement of the leading blades of the focal plane...
4268138 Follow focus flash arrangement  
A photographic camera exposure and flash fire control system provides for a proportional fill flash by firing an electronic flash or strobe at an aperture appropriate for the camera-to-subject...
4235545 Microfiche camera with cooperating shutter and light shield  
A microfiche camera suitable for use in a low cost microfiche system for exposing a plurality of image frame areas on a single card-like film unit. The camera includes a carriage mounted lens that...
4201459 Braking device for focal plane shutter  
A braking device for focal plane shutter in a photographic camera, in which the braking device has a braking function in its reciprocating motion. The braking device is moved forward by a shutter...
4176933 Indicating apparatus for camera  
An indicating apparatus comprises a switching means provided in connection with a flash device and generating a ready-light signal when the charging of the flash device is completed. A ready lamp...
4174897 X-Class synchronization contact means for electric shutters  
An X-class synchronization contact means for electric camera shutters has a switch which is closed by a shutter opening release stroke or by initial motion of a shutter opening operation. The...
4135799 Photographic camera with flashlight contacts  
A flash switching arrangement for a camera which includes a shutter with an opening leaf and a closing leaf and has a contact nipple and a contact shoe for the attachment of flash units. The...
4118721 X-contact device for bladed shutter  
An X-contact device for a programmed shutter or a shutter of the type in which shutter blades also serve to determine a diaphragm aperture comprises means for detecting an end of a maximum opening...
4104665 Contact mechanism of shutter for camera  
A camera shutter mechanism comprises opening and closing members sequentially movable to open and closed positions to accordingly effect opening and closing of a shutter aperture to complete an...
4074290 Apparatus for synchronizing an electronic flash with a camera  
An apparatus for activating an electronic flash by operating an X contact when the first blind of a focal plane shutter has terminated its movement to fully open an exposure light path,...
4047211 Mechanical exposure control means for electric shutters  
A mechanical exposure controlling means for electric shutters comprising a front blade actuating lever, a rear blade actuating lever, and a mechanical exposure controlling lever and bulb...
4039898 Electronic flash apparatus  
An electronic photographic flash apparatus which is useful as an artificial light source for taking photographs. The apparatus of this invention does not use an AC charger or the like as its power...
4024550 Flash synchronizing device for a camera  
A flash synchronizing device for use in a photographic camera having a two-blade type shutter comprises first and second switches series-circuited to each other and to a battery circuit for a flash...
4023192 Shutter mechanism  
An improved shutter mechanism of the sliding blade-type for synchronizing the firing of a flash device with the movement of one of the shutter blades to effect an exposure. During movement of the...
4012749 Strobo flash light device for cameras  
An accessory shoe on the camera body is provided with a light emitter such as an LED, and a foot of the strobo flash light unit to be mounted in the shoe is provided with a photodetector such as a...
3998534 Electronic photographic flash unit  
An electronic flash unit for photographic purposes, in which there is a first thyristor in series with the flash tube, and a second thyristor which, in series with a quenching capacitor, is in...
3974511 Electrical switch assembly  
An electrical switch assembly for use in a photographic camera of a type having a plane shutter mechanism which is composed of leading and trailing shutter members cooperating to each other to...
3898512 Photoflash lamp array sequencing circuits  
Circuits for sequentially actuating a plurality of photoflash lamps upon successive operations of the shutter of an associated camera are disclosed utilizing gate controlled switching devices...
3883884 Photographic camera having an accessories mounting shoe  
The photographic camera has a centre contact device disposed in a flashgun mounting shoe and a cable socket contact device located on the camera. A first circuit comprising a synchronous shutter...
3822393 ELECTRONIC STROBE  
An electronic strobe circuit for flash cameras or flash attachments in which a capacitive energy storage circuit is discharged into a flash tube to provide illumination in synchronism with the...
3735679 CAMERA WITH IMPELLER-ACTUATED SOURCE OF ARTIFICIAL LIGHT  
A still camera wherein the housing supports an indexible flashcube having cartridges which must be struck in order to fire the respective lamps. The housing contains a pivotable impeller which is...
Matches 1 - 50 out of 108 1 2 3 >