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| Number | Title | Issue Date |
| 7246730 | Smart hanger system A moisture resistant rustproof smart hanger system provides a set of plastic spindles or thumb wheels permanently attached to a hanger. The spindles are designed to record, for a particular garment, the last cleaned date, the number of times worn, and the last worn ... | 07/24/2007 |
| 6330969 | Cleaner calculator A cleaner calculator for maintaining a count representative of the number of times that a garment has been worn between dry cleanings. The cleaner calculator includes a tag stem with an attachment section for hanging the cleaner calculator, a promotional ... | 12/18/2001 |
| 5059771 | Method and calculator to determine the spatial parallax in a 3-D photograph A method for determining the spacing between adjacent vantage points for taking a 3-D photograph which involves computing the desired spatial parallax in accordance with the following formula: ##EQU1## where P is the desired spatial parallax, V is th... | 10/22/1991 |
| 4785164 | Slide calculator for background lighting There is disclosed herein a slide calculator for determination of flash-to-background distance for studio photography when using color filters over the flash. By use of the calculator, known factors, such as lens f-stop, film speed, flash guide number (GN... | 11/15/1988 |
| 4772780 | Slide calculator for photographic lighting The object of the invention is to provide a slide calculator to make the determination of flash-to-subject working distances (WD) easy and accurate for amateur and professional photographers. Light sources other than flash can be used. The calculator uses... | 09/20/1988 |
| 4479169 | Calculator and apparatus for macrophotography An apparatus for macrophotograph comprising a camera, an electronic flash unit having a variable power output, a bracket for connecting the electronic flash unit to the camera in such manner that an angle formed between an axis passing through a lens of t... | 10/23/1984 |
| 4382666 | Indicating device for computer type electronic flash apparatus An indicating device of computer type electronic flash apparatus has a plurality of display members representing respective limited distance ranges for correct exposure of an object to be photographed. Each of the display members corresponds to a respecti... | 05/10/1983 |
| 4375031 | Method and device for measuring a degree of exhaustion of photographic processing solutions An exhaustion degree measuring board for measuring the fatigue of photographic processing solutions including a base member having at least one reference density window formed therein along with graduated scales corresponding to a control strip. The refer... | 02/22/1983 |
| 4361752 | Calculator and apparatus for macrophotography An apparatus for macrophotograph comprising a camera, an electronic flash unit having a variable power output, a bracket for connecting the electronic flash unit to the camera in such manner that an angle formed between an axis passing through a lens of t... | 11/30/1982 |
| 4341467 | Exposure guide A first scale component is stationarily mounted on a stationary lens component relative to which a rotatable lens component is supported. A pointer is supported from the rotatable lens component for angular displacement therewith and the first scale compo... | 07/27/1982 |
| 4322607 | Camera setting calculator for underwater color photography The Camera Setting Calculator for Underwater Color Photography is a manual, mechanical calculator to be used in determining the aperture setting (f-number) of a camera and consisting of two circular sheets of data pivoted to rotate over each other. Rotati... | 03/30/1982 |
| 4271376 | Electronic flash An improved electronic flash is provided having a selectively energizable source of illumination, control circuits for controlling the source of illumination according to a plurality of operational modes which include an automatic control mode and a manua... | 06/02/1981 |
| 4230402 | Flash exposure control system The present invention relates to a device for flash light photography and, more particularly, to a device for flash light photography for adjustable light stroboscope. A major feature of the present invention is that the adjustable light condition of the ... | 10/28/1980 |
| 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 |
| 4120038 | Flash unit with electronic exposure setting calculator The flash unit, particularly an electronic flash unit, is used with photographic cameras, and the like. The flash unit is provided with an electronic calculator which the photographer uses for calculating the numerical values of camera settings to be esta... | 10/10/1978 |
| 4104510 | Exposure correction calculator for taking close-up pictures The calculator of this invention is designed to be employed when the lens is extended from the camera body. The calculator includes a measurement scale to be positioned in the desired position to take the picture of the subject. The width of the viewfield... | 08/01/1978 |
| 4074850 | X-ray computer A manually operable computer for determining exposure settings of an X-ray machine comprising two juxtaposed scale members. Means are provided for supporting said scale members for movement relative to each other, a first scale on one of said members deno... | 02/21/1978 |
| 4067024 | Calculator An improved calculator structure primarily for use with photographic apparatus is disclosed. A base member carries therein certain electronics including a light sensing device which receives light from an electronic flash associated with a camera and refl... | 01/03/1978 |
