Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5585987 | Camera system including electronic flash device with slave emission function A camera system including an electronic flash device with a slave emission function, includes an electronic flash device including: a light-receiving unit for receiving a steep optical signal; a light-emitting unit for slave-emitting illumination light to... | 12/17/1996 |
| 4582410 | Tripod type slave unit A tripod type slave unit comprises a shoe type mount for carrying detachably a mounting leg for strobo device and the like on a portion of a tripod device detachable to an accessory mount of a camera, a control terminal connected to a switching terminal f... | 04/15/1986 |
| 4368966 | Photographic system including remote controllable flash unit A photographic system including a flash unit wirelessly controlled. The system comprises a controller interlocked with the photographic camera and a flash unit operable in response to the controller to illuminate object. Start and stop of flashing of the ... | 01/18/1983 |
| 4354141 | Electric flash device for camera An electric flash device for camera of the present invention comprises, substantially, a first flash unit incorporated into a camera, and a second flash unit operated associating with the flash operation of the first flash unit, said second flash unit com... | 10/12/1982 |
| 4287453 | Electronic slave flash delay device A device for activating an electronic slave flash unit for photographic use includes a circuit wherein there is a delay circuit responsive to a light sensing signal after a predetermined time delay to activate a flash unit. The time delay of the delay cir... | 09/01/1981 |
| 4155029 | Auxiliary electronic flash apparatus An auxiliary electronic flash apparatus coactuable with a main electronic flash apparatus of the type having a first flash lamp for converting the energy stored on a first main capacitor into light for illuminating a subject, and a control circuit for tur... | 05/15/1979 |
| 4125766 | Automatic electronic flash device An automatic electronic flash device or computer flash device for cameras. The device includes besides an electronic flash lamp a capacitor capable of being discharged through the flash lamp. Also there is a light sensitive sensor and a device for extingu... | 11/14/1978 |
| 4049996 | Control of electronically generated light pulses Circuits and auxiliary elements for use with a device for controlling the emission of light pulses from a flash unit, which light pulses are produced by the discharge of current pulses from a capacitor, the device including a light sensing element for rec... | 09/20/1977 |
| 3944877 | Wireless multiflashlight apparatus for a photographic camera A wireless multiflashlight apparatus simultaneously illuminates a subject by flashlight rays emitted from a main flashlight device mounted on a photographic camera and at least one additional flashlight device located at suitable position away from the ma... | 03/16/1976 |
