Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 4831397 | Photographic apparatus for transmission electron microscopes A photographic apparatus for providing an instant film system for transmission electron microscopes includes a film carrier and film unit handling apparatus compatable with existing TEM equipment. Film carrier plates, each standardized to accept an instan... | 05/16/1989 |
| 4825253 | Flash illumination apparatus A flash illumination apparatus in which an original is simultaneously illuminated over the whole surface thereof by means of a single or plurality of flash lamps, wherein light reflected by the original is focused onto a light sensitive material for expos... | 04/25/1989 |
| 4823164 | Image forming apparatus An image forming apparatus is arranged to comprise a removable film pack holder at a predetermined position of a main body of the image forming apparatus, wherein a film of the film pack loaded in said holder is exposed to an image of an original in the s... | 04/18/1989 |
| 4816848 | Image bearing template for instant film packs An image bearing template adapted for use with an exposure window of an instant film pack and being made up of a thin sheet and a pair of rigid strips. The thin sheet has a lateral dimension substantially the same as or less than the width of the exposure... | 03/28/1989 |
| 4785322 | Infrared wink ranging system A black, infrared pass filter is disposed in front of the strobe element of an automatic rangefinding camera to provide an infrared ranging wink for ranging during the pre-exposure steps of a camera cycle. As the cycle continues, the filter is temporarily... | 11/15/1988 |
| 4779110 | Wet film cassette and transport system A wet film cassette and transport system for photographic diffusion transfer films having initially separate wet and dry film components. At least the wet component is contained in a tightly sealed enclosure defined by a cassette having inner and outer, r... | 10/18/1988 |
| 4779113 | Film handling apparatus A photographic apparatus for providing an instant film system for transmission electron microscopes includes a film carrier and film unit handling apparatus compatable with existing TEM equipment. Film carrier plates, each standardized to accept an instan... | 10/18/1988 |
| 4779118 | Exposure control with fixed time exposure at high light levels A camera having an automatic exposure system for providing decreasing aperture-interval values with increasing ambient light levels including an ambient light level sensor element for detecting an ambient light level equal to a predetermined high ambient ... | 10/18/1988 |
| 4742216 | Photographic apparatus for transmission electron microscopes A photographic apparatus for providing an instant film system for transmission electron microscopes includes a film carrier and film unit handling apparatus compatable with existing TEM equipment. Film carrier plates, each standardized to accept an instan... | 05/03/1988 |
| 4736215 | Photographic method and apparatus employing automatic camera adjustment A photographic method and apparatus in which a camera adapted to receive a film container with at least one light-sensitive film unit and a dark slide protecting the film unit from light prior to insertion of the container into the camera, wherein the dar... | 04/05/1988 |
| 4723140 | Compact folding camera construction A compact, folding camera construction for exposing and processing cassette contained film in which a pair of nestable housings carry major optical components between a folded configuration in which they are located in space between cassette film housings... | 02/02/1988 |
| 4707106 | Multiple format camera and accessory Photographic apparatus including a camera and a masking accessory kit in which the camera may be adjusted between a fully automated single-image format mode and a multiple-image format mode for use with the masking accessory kit. The kit includes a plate-... | 11/17/1987 |
| 4653884 | Foldable camera accessory for photographing electro-luminescent images A foldable hood accessory to which a camera may be mounted for photographing electro-luminescent images presented on a reflective surface, the hood including an assembly of upper and lower hood panels pivotally connected to each other at one end and close... | 03/31/1987 |
| 4637025 | Super radiant light source A super-radiant light source having an output with a low temporal coherence well suited, for example, to optical inertial sensor applications, includes a single mode optical waveguide such as an optical fiber having its core doped with an active laser mat... | 01/13/1987 |
| 4630889 | Polarization locked optical fiber and method A polarization locked optical fiber having a fiber core suspended by a thin cladding web within a tube with a prestress acting along the web to fixedly polarize the core. Preferably, the tube and web are glass materials having different thermal characteri... | 12/23/1986 |
| 4630912 | Wet processing web camera and method A method and apparatus for handling photographic film systems in which a liquid processing agent is carried by one of two film components which, after exposure, are processed by bringing the two components into face-to-face contact. The apparatus features... | 12/23/1986 |
| 4630915 | Multipart cassette for two component film system A cassette for a photographic film system adapted for processing after exposure by face-to-face contact of the negative with a positive processing film, the cassette having multi-part first and second chambers for containing the respective roll film eleme... | 12/23/1986 |
| 4618258 | Method for measuring loop coupling efficiency A method for determining optical transmission characteristics and efficiencies in multi-path optical fiber networks which include, for example, inter-fiber couplings and optical components, includes introducing light energy into the entry port of the netw... | 10/21/1986 |
| 4561745 | Method and apparatus for processing both sides of discrete sheets A method and apparatus for simultaneously processing both sides of a film sheet include a pair of carrier webs extending through a nip defining mechanism and a dispenser for depositing a bead of the processing material on the carrier webs in the nip. The ... | 12/31/1985 |
| 4557742 | Polarized optical fiber and method of forming same A polarized optical fiber, having inherent birefringence provided by electrically induced orientation of its microcrystalline structure provides fixed polarization. In the method, an optical fiber having inherent birefringent characteristics is formed by ... | 12/10/1985 |
| 4551162 | Hollow tube method for forming an optical fiber A method for forming an optical fiber from a single characteristic glass includes arraying hollow starter tubes about a central axis with each starter tube contacting its adjoining tubes along respective lines of contact to define a longitudinally extendi... | 11/05/1985 |
| 4549891 | Method for forming a non-symmetrical optical fiber A method of preparing an optical fiber includes the steps of applying a first cladding layer of a sinterable, glasseous particulate matter providing a selected index of refraction to a support surface, forming at least one longitudinally-extending groove ... | 10/29/1985 |
| 4545663 | Integral self-developing film unit and system for use thereof An integral, self-developing film unit and processor in which all structural components of the film unit apart from a rupturable pod of processing fluid are provided by two superposed rectangular sheets of plastic material. The sheets sandwich one or more... | 10/08/1985 |
| 4540255 | Card motion picture method A photographic method and apparatus for producing a motion picture including moving a film unit in one direction and the optics system along an arcuate path generally laterally thereto so as to produce a plurality of images on the film unit. The camera ut... | 09/10/1985 |
| 4540259 | Identification card camera system and method An identification card camera system including a data carrier and an arrangement for reproducing on an identification card a portion of the data from the data carrier and the image of a subject, and for reproducing on a photographic record the portion of ... | 09/10/1985 |
| 4540256 | Motion picture film card A photographic method and apparatus for producing a motion picture including moving a film unit in one direction and the optics system along an arcuate path generally laterally thereto so as to produce a plurality of images on the film unit. The camera ut... | 09/10/1985 |
| 4519689 | Method and apparatus for processing discrete sheets of film A method and apparatus for processing discrete rapid access of photographic film sheets exemplified by diffusion transfer film and film processing in which one or more sheets to be processed are supported on the working surface of one of two webs trained ... | 05/28/1985 |
| 4516845 | Security control system and method for identification card cameras An identification card camera for producing photoprint identification cards having a subject portrait and subject related data in respective areas of the card and a record film of the card includes a cyclically operable imaging system by which an image of... | 05/14/1985 |
| 4514069 | Photographic sheet processor having large diameter rolling surfaces Processing apparatus for spreading processing fluid uniformly over photochemical layers on one or more photographic sheets by progressive pressure applied by rolling surfaces provided on large diameter calendering members. To achieve the large diameter ro... | 04/30/1985 |
| 4468637 | Synchronizable oscillator An oscillator unit having a charge storage device periodically rapidly charged through a small resistor and slowly discharged through a large resistor under control of a comparator for producing an oscillatory output and a switch actuatable by means of a ... | 08/28/1984 |
| 4444479 | Photographic system with slow burn flash bulb A photographic system for minimizing exposure tracking error under flash illumination using a low-cost camera in which an automatic shutter system constitutes the sole control of exposure illumination passed to the film. The source of flash illumination i... | 04/24/1984 |
| 4433273 | Camera motor belt drive system A stepper drive system including a pair of linear belt flights trained between interior surfaces of a fixed frame and a reciprocable armature carriage with the belts alternately clamped to the carriage so as to successively advance the belt flights in opp... | 02/21/1984 |
| 4415251 | Camera shutter having bobbin driven blades A light controlling system for photographic apparatus in which a pair of cooperating blades are defined by linear flights of a folded belt formed of an opaque film and having a central portion trained about a fixed axis guide roller with the free ends of ... | 11/15/1983 |
| 4409505 | Electric motor having improved operating characteristics An economical, miniature electric motor exhibiting improved efficiency and in-specification, first-use performance after substantial periods of non-use, which is especially suited for operating the film eject mechanism of a self-developing camera, include... | 10/11/1983 |
| 4396268 | Dual burst, wide range sonar system A sonic ranging system providing at least two bursts of sonic energy of unequal duration directed toward a subject with the time interval between the bursts being no less than the round-trip time for the maximum range at which a subject is to be detected ... | 08/02/1983 |
| 4370035 | Dual web sound movie cassette with emulsion stripping web A multipurpose audio/visual film cassette (10) including supply and takeup spools (26, 28) in which opposite ends of a film strip (30) are coupled for alternate winding and unwinding during passage through a first path for film exposing, processing and pr... | 01/25/1983 |
| 4363407 | Method and system for testing and sorting batteries A method and system for testing and sorting a production run of sheet-like batteries includes: testing each battery to obtain a first value of electrical energy; placing machine readable indicia on each battery corresponding to the first value; retesting ... | 12/14/1982 |
| 4362372 | Focusing system and method with adjustment for lens depth of focus A focusing system and method for a photographic camera providing an automatic adjustment in the focus setting of the camera lens with aperture size to exploit the increased depth of focus available with a reduction in aperture size. In the illustrated emb... | 12/07/1982 |
| 4342506 | Exposure trim mechanism for cameras A trim mechanism for an automatic exposure control system used in photographic cameras to regulate the rate at which a pair of scanning shutter blades are accelerated toward an open position so as to vary the effective flash aperture as well as to variabl... | 08/03/1982 |
| 4342507 | Flash holder assembly arrangement A foldable flash holder comprised of three integrally molded plastic parts interconnected exclusively by snap fit. One of the parts is a contact retainer which includes an elongated receptacle well for receiving a multi-bulb flash array and a contact reta... | 08/03/1982 |
