Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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 |
| 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 emission amount within a predetermined period of time. The control unit red... | 04/15/2008 |
| 6636700 | Flash device, lens-fitted photo film unit, camera, light measuring device, and method of producing lens-fitted photo film unit A lens-fitted photo film unit is pre-loaded with photo film, and is a flash built-in type. A booster circuit boosts power source voltage to obtain high voltage. A main capacitor stores charge at the high voltage. A flash discharge tube is connected with t... | 10/21/2003 |
| 5974273 | Method and apparatus for controlling a remote light source A method and apparatus for activating a remote light source in synchronization with an indication provided from a camera. A transducer is coupled to the external electrical connector of a conventional camera in order to convert the electrical signals that... | 10/26/1999 |
| 5881326 | Shutter apparatus and camera apparatus A shutter apparatus is provided wherein openings for defining a secondary aperture are formed in respective shutter blades, such that an amount of light transmitted through the secondary aperture is detected, and the drive force for driving the shutter bl... | 03/09/1999 |
| 5006879 | Electronic flash lighting device for camera An electronic flash lighting device for a camera comprises a first light measuring device for measuring the brightness of a field to be photographed, prior to flash emission, and a second light measuring device for measuring the brightness of a plurality ... | 04/09/1991 |
| 4769666 | Apparatus for determining amount of flash An apparatus for determining the amount of flash having a first light receiving element for measuring light with respect to a first region (central region) of the frame, a second light receiving element for measuring light with respect to a second region ... | 09/06/1988 |
| 4704023 | Camera to flash adapter A system and method for adapting a multi-purpose electronic flash for use with an automatic exposure control camera is disclosed. The system responds to a ready signal from the multi-purpose flash and a reference signal from the automatic exposure control... | 11/03/1987 |
| 4594614 | Film video player with electronic strobe light A film video player for producing a standard television signal from photographic film includes an image sensor for sensing a film image illuminated by a pulse of light from an electronic strobe light. The electronic strobe light includes a high voltage po... | 06/10/1986 |
| 4492451 | Electronic flash unit An electronic flash unit having a thin-walled housing (2) in which is accommodated a reflector (3) with a discharge flash lamp (4) and which on the light-emanating side is provided with a photosensitive cell (6) for measuring a quantity of light reflected... | 01/08/1985 |
| 4474441 | Method and apparatus for controlling exposure by selective use of blocking visible filter Method and apparatus for automatically controlling exposure of a photographic film by evaluating non-visible spectral scene light frequencies. Particularly for artificially lit scenes, an evaluation of predominantly infrared frequencies is preferred. In o... | 10/02/1984 |
| 4470685 | Intermediate adapter Disclosed is an intermediate adapter to be used between the camera body and the photographing lens during close-up photography. A light beam splitter in the adapter housing projects part of the light from the lens to a sensor to produce an electric signal... | 09/11/1984 |
| 4359275 | Single lens reflex camera system capable of TTL flash output control A single lens reflex camera system capable of TTL flash output control of a flash unit which enables transmission light from the phototaking lens from a movable mirror device to a light receiving device when the mirror device is in one position and from a... | 11/16/1982 |
| 4311372 | Computer controlled electronic flash An electronic flash unit has a flash tube and a flash circuit which includes an internal light sensor that interrupts the supply of electricity to the flash tube when it senses that the flash light reflected from an object exceeds a predetermined threshol... | 01/19/1982 |
| 4268141 | Photo-detection adapter for an automatic flash device A photo-detection adapter for an automatic strobe comprising a mounting means attachable to a barrel of a photographic lens, an external photo-detection part supported by the mounting means so as to change a detection direction for properly receiving a re... | 05/19/1981 |
| 4205907 | Calculator for electronic flash A calculator device for an electronic photoflash system in which a photosensor receives light reflected back from the scene being photographed and generates an electrical signal for providing termination of the flash upon sensing a predetermined amount of... | 06/03/1980 |
| 4162426 | Zone responsive, light-sensing circuit for controlling flash photographing The present invention relates to a light-sensing circuit used in a so-called light regulating type flash device to automatically control the amount of flash emitted. In the present invention, a flash photographing with an appropriate exposure is done, sec... | 07/24/1979 |
| 4107706 | Camera apparatus An exchangeable lens barrel for use in a photographic camera is provided with a light sensitive element which, when the exchangeable lens barrel has been exactly fitted to the camera, receives the light which is reflected from the light sensitive film sur... | 08/15/1978 |
| 4023188 | Electronic flash device for a camera The device according to this invention has a flash tube of the electronic type which is triggered when a charge stored in a capacitor is applied to the tube. A circuit is provided which measures light that is emitted from the tube and is reflected from an... | 05/10/1977 |
| 4021698 | Control device for automatically controlling the quantity of light from flash apparatus In an automatic control apparatus for controlling the quantity of light from a flash device, a first photocell device, responsive to the light from the flash device, is serially connected with a second photocell device, responsive to light reflected from ... | 05/03/1977 |
