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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7364128 | Methods and apparatus for support mechanism assembly Methods and apparatus for a support mechanism are provided. The support mechanism includes an engagement pin including an engagement surface and a latch surface wherein the engagement pin is coupled to a base. The support mechanism also includes a pawl that includes... | 04/29/2008 |
| 6922524 | Camera having blur detecting function A camera having a blur notifying function according to one aspect of the present invention has a blur mode setting section which is used to set a blur notification mode in which a blur is detected in the camera and a blur state is notified, a blur detection section ... | 07/26/2005 |
| 6272289 | Camera A camera using an image blur prevention device including exposure time calculating apparatus which calculates a first exposure time from at least photometry data, sensitivity data of a recording medium and brightness of a photographic lens, a strobe light... | 08/07/2001 |
| 6130417 | Auto-focusing apparatus with hill-climbing and full-scanning auto-focusing performances An auto-focusing apparatus comprises an image sensing element for photo-electrically converting an image focused by an focal lens into an image signal, an image sensing circuit for processing an image signal, an A/D converter for converting the image sign... | 10/10/2000 |
| 6108496 | Exposure control system for camera An exposure control system for a camera, which is provided with a strobe, includes a photometry system that measures brightness of an object; an exposure parameter determining system that determines exposure parameters in accordance with the brightness de... | 08/22/2000 |
| 5995761 | Camera having vibration correcting device A camera including a flashlight device for emitting a flashlight, a shutter, such that the camera has a flash synchro photographing mode in which the flashlight device emits the flashlight in synchronism with the shutter, a vibration detector for detectin... | 11/30/1999 |
| 5966173 | Video camera, printer apparatus and method of controlling same, and apparatus and method for detecting print inhibit signal A reproduced still picture having a comparatively high picture quality is obtained irrespective of the luminance of the subject. In an interval photography mode, photography is performed one time in a plurality of fields at a relatively high shutter speed... | 10/12/1999 |
| 5606393 | Illumination measuring device for panoramic photography An illumination measuring device for panoramic picture taking has a first photoelectric illumination intensity receiver which diffusely determines light falling in a first measuring region and illuminating a first panoramic portion, at least one further p... | 02/25/1997 |
| 5305050 | Camera capable of slow synchro photographing A camera capable of slow synchro photographing comprises a shutter speed setting mode changeover device for changing over a shutter speed manual setting mode and a shutter speed auto setting mode; a shutter speed restricting device for performing a restri... | 04/19/1994 |
| 5155519 | Camera having a synchronized-shutter-time control device for flash photography A camera is arranged to perform shutter control for flash photography either in a first mode which is for a normal shot or in a second mode in which a shot, particularly a panoramic shot or the like, is to be taken with an image plane partly blocked from ... | 10/13/1992 |
| 5134435 | Camera A camera including shutter blades; a driving device which, upon receipt of electric energy, drives the shutter blades to open; an optical detecting device for optically detecting the operating state of the shutter blades; and a control circuit which contr... | 07/28/1992 |
| 5019853 | Exposure control apparatus for use in camera Disclosed is an exposure control device for an automatic illumination adjustment controlled type camera in which flashing of a flash apparatus built in a camera body is automatically stopped. The exposure control device includes an exposure value calculat... | 05/28/1991 |
| 4998127 | Camera with flash return sensing A camera includes both film for recording an image and a solid state image sensor. The solid state sensor determines the brightness level after the flash has been fired in order to determine whether enough light has reached the camera for a proper exposur... | 03/05/1991 |
| 4996550 | Shutter speed control device In a camera system comprising a camera and a flash device, a first synchronizing signal is generated when the camera shutter starts an exposure, and a second synchronizing signal is generated when the exposure is about to be terminated. First and second s... | 02/26/1991 |
| 4929977 | Flash photography changeover device In a camera having a lens shutter and a focal-plane shutter accomplishing the operations of programed exposure and aperture control, a flash photography changeover device includes a first changeover circuit for setting a lens shutter mode for operating th... | 05/29/1990 |
| 4897685 | Shutter speed setting apparatus A shutter speed setting apparatus is provided which is arranged to respond to a main capacitor charge completion signal to judge whether or not the set value of a shutter speed S is higher than a flash synchronization speed S0. If it is judged ... | 01/30/1990 |
| 4833499 | Shutter speed setting apparatus A shutter speed setting apparatus is provided which is arranged to respond to a main capacitor charge completion signal to judge whether or not the set value of a shutter speed S is higher than a flash synchronization speed S0. If it is judged ... | 05/23/1989 |
| 4743933 | Camera and method for taking flash photographs using an electronic flash A camera, such as a single lens reflex camera, having a focal plane shutter and an interchangeable lens incorporating a diaphragm system, and provided with a control system for taking photographs using an electronic flash, in which the diaphragm system ma... | 05/10/1988 |
| 4743935 | Camera shutter control device In a shutter speed control device for a camera, a shutter speed is changed by varying a period of time from a reference time instant to a time of shutter opening. A first signal is produced which is representative of a duration from the reference time ins... | 05/10/1988 |
| 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 |
| 4664496 | Camera system Most of the elements constituting this camera system consists of digital circuits, whereby a central processing unit is built in this camera system in such a manner that various kinds of photographic modes are possible without increasing the number of the... | 05/12/1987 |
| 4603959 | Photographic information generating apparatus for camera A camera has a photographic information generating apparatus for supplying preset photographic information to an exposure control circuit. A latch circuit is arranged to latch the photographic information during a period in which noise due to synchronizat... | 08/05/1986 |
| 4518243 | Shutter speed setting device for camera A shutter speed setting device for a camera having a signal generator for providing an output in correspondence to the setting of a shutter speed to be set and a shutter speed setting circuit for providing a signal corresponding with a shutter speed in re... | 05/21/1985 |
| 4491404 | Flash photography system There is provided a flash photography system which allows control of a relation between a light emission duration of a flash device and a full-open time of an exposing aperture of a focal plane shutter in an ideal condition. In the system, an electronic f... | 01/01/1985 |
| 4491405 | Camera suitable for flash photography The present invention has two photometric circuits, namely photointegrating circuits, one of them is for day light photography and other is for flash photography. Normally the photointegrating circuit for flash photography is retained inoperatable, but wh... | 01/01/1985 |
| 4477170 | Annunciator for flash photographing system A flash photography system including a computer type electronic flash device and a camera controlling the exposure value by using the light coming from an object to be photographed and reflected from the shutter curtain and/or film surface is disclosed. T... | 10/16/1984 |
| 4466727 | Shutter control circuit equipped with a flash light control signal circuit A camera shutter utilizes a single photoelectric element in conjunction with a shutter control circuit for controlling the automatic exposure operation of the shutter in dependence on the integrated value of the ambient light received from an object field... | 08/21/1984 |
| 4458995 | Camera flash light control circuitry A dedicated electronic flash device capable of being combined with a camera and receiving a flash device identifying signal at a common terminal for establishing automatic aperture size control in a flash light exposure mode, and establishing manual apert... | 07/10/1984 |
| 4457601 | Camera with electrical shutter A camera with an electrical shutter comprises auxiliary shutter closing means which is responsive to an electrical signal supplied from an electronic flash to operate a photometric circuit of the camera in a normal manner. During a flash photographing ope... | 07/03/1984 |
| 4427278 | Flash photography system and electronic flash device for use in the system A flash photography system includes an electronic flash device capable of light measurement for automatic flash light control and a camera capable of automatic shutter speed control at a daylight photography mode and at a flash photography mode. The flash... | 01/24/1984 |
| 4422742 | Photographing mode switching device for a camera A photographing mode switching device for a camera includes a position detecting member associated with a mode switching member and a mounting detecting member which detects the mounting of an electronic flash on the camera. A flash photographing mode is ... | 12/27/1983 |
| 4346971 | Photographic apparatus with controlled shutter blade time out A photographic camera is provided with a fully automatic exposure control system for determining the camera-to-subject range either directly by sonic ranging or indirectly by sampling reflected flash light immediately subsequent to the firing of a source ... | 08/31/1982 |
| 4345828 | Light detecting apparatus for photographic camera Photographic scene light detecting apparatus particularly suitable for use with a camera of the type which includes an electronic control system for receiving an input signal and controlling the firing of an electronic flash at a predetermined time after ... | 08/24/1982 |
| 4326785 | Camera having a connector common to a flash bulb unit and an electronic flash unit A camera provided with first connecting means capable of being selectively coupled to second connecting means of a flash bulb unit and third connecting means of an electronic flash unit and having a first terminal connectable in common to a synchronizing ... | 04/27/1982 |
| 4317622 | Exposure control apparatus for flash photography Exposure control apparatus for a camera having an objective lens, an unregulated, fixed output flash device which, in the absence of ambient light, provides one-half stop of underexposure of a photographic subject located at the near limit acceptable imag... | 03/02/1982 |
| 4317621 | Exposure control apparatus for use with a camera having electronic flash controlling capability An exposure control apparatus for use with a camera having electronic flash controlling capability and including a photometric circuit activated by a trigger switch which is operated in response to a shutter release operation is disclosed. The exposure co... | 03/02/1982 |
| 4305648 | Electric circuits for use in camera The electric circuit for use with a camera is capable of controlling exposure and alarming camera vibrations and obviating wrong display of a camera vibration alarm means and improper operation of a shutter of the camera.... | 12/15/1981 |
| 4302085 | Shutter time adjustment for a flash mode and/or film-leader location In a photographic camera comprising an exposure time control circuit for controlling the shutter speed in response to the brightness of the object and a film frame number indicating device capable of indicating a usable range for frames allowing photograp... | 11/24/1981 |
| 4300825 | Control of shutter closing for excessive object brightness In a camera shutter control system, film exposure is ensured even when object brightness is so high as to require a shutter speed faster than the maximum shutter speed available and at which shutter operation might not cause film exposure without the pres... | 11/17/1981 |
| 4293208 | Prebias for digital light integrator In an exposure control system in which the instant in which the scene light is first admitted to a film plane from a shutter blade mechanism at the commencement of an exposure interval must be precisely and accurately determined for subsequently controlli... | 10/06/1981 |
