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| Patent # | Description |
|---|---|
| US-4,255,066 |
Arrangement for concentrating sea waves An arrangement for concentrating sea waves, includes a grid-like structure of stopping and/or delaying elements adapted to influence the amplitude and/or phase... |
| US-4,255,065 |
Telephone directory binders Binders for telephone directories subjected to hard use, vandalism and theft, as in public telephone facilities and the like, and having a front cover panel, a... |
| US-4,255,064 |
Printing device with paper edge sensing In order to ensure correct registration of printing, a printing device is provided with a transducer arrangement which scans the printing platen to detect one of... |
| US-4,255,063 |
Electromagnetic line spacing device A platen for a typewriter, is rotated intermittently by pulsing a winding to establish flux between poles of a stator and a rotor, which rotates through a fixed... |
| US-4,255,062 |
Matrix print head A print head for matrix printing has twelve needles whose front ends are arranged in three columns and seven rows, whereby the middle one holds only two needle... |
| US-4,255,061 |
Control circuitry for actuation of a ribbonless endorser for printing
variable information onto moving documents A control circuitry for operation of a matrix wire printer for impacting a continuously inked rotating platen for printing variable information onto transported... |
| US-4,255,060 |
Homogenizing device A device for homogenization and thermal treatment of liquids, and particularly of liquid mixtures for the ice cream industry, comprising a container, a... |
| US-4,255,059 |
Processing element Improved means for aligning processing members at various positions in processing passages of rotary processors. Essentially, the alignment means (or alignment... |
| US-4,255,058 |
Apparatus for preparing bituminous mixtures, especially road
construction mixtures The present apparatus for preparing bituminous mixtures, especially road construction mixtures which include broken-up road material, uses a kiln type drum... |
| US-4,255,057 |
Method for determining quality of U.S. currency An apparatus for detecting quality of currency or the like. Signals representative of the transmissivity and reflectivity of a bill are subtracted from a signal... |
| US-4,255,056 |
Pre-setter for positioning tooling on turrets An optical presetter for precision alignment of a tool on a machine turret to be positioned on a lathe or the like. The presetter includes a base support, a... |
| US-4,255,055 |
Surface inspection system for detecting flatness of planar sheet
materials An inspection system for detecting the flatness of planar glass sheets or other materials having reflective surfaces by observing areas of preselected size on... |
| US-4,255,054 |
Lock-in control system for spring suspended ring laser gyroscope A system for cancelling lock-in in a spring suspended ring laser gyroscope by dithering it at a rate which is a function of measured optical phase and dither rate. |
| US-4,255,053 |
Photometer including auxiliary indicator means An apparatus for an optical measurement of the concentration of substances ncluding at least one monochromator means, one photometer means and one optometric... |
| US-4,255,052 |
Method of generating nitrogen for flameless emission spectroscopy In a system for analyzing the elemental or molecular composition of a sample where the sample components are excited through collision with an active metastable... |
| US-4,255,051 |
Apparatus for emission spectrochemical analysis Apparatus for emission spectrochemical analysis wherein the sample to be analyzed is excited by repeated spark discharge to emit light, which is dispersed to... |
| US-4,255,050 |
Apparatus for measuring the position of weft threads in a moving fabric
web The deviation of the weft threads in a fabric is ascertained to show the extent and angle of the deviation relative to a line extending at a right angle relative... |
| US-4,255,049 |
Non-destructive testing of structural elements for fatigue by
measurement of specular reflectance Fatigue in structural elements is determined by measuring the loss in specular reflection in a foil of polished metal secured to an exposed surface of the tested... |
| US-4,255,048 |
Direction sensitive laser velocimeter A laser velocimeter that determines the direction of movement of particles. A laser produces a transmitted beam that illuminates the volume under investigation.... |
| US-4,255,047 |
Photographic printing of superimposed images Apparatus is disclosed enabling superimposed images to be readily and easily printed on photographic paper. The apparatus employs a transparent member, carrying... |
| US-4,255,046 |
Variable output power supply for flash unit A power supply for providing energy to a flash lamp comprising a plurality of capacitors connected in parallel with their outputs connected to the flash lamp.... |
| US-4,255,045 |
Removable light box The lamphouse is useful for the production of prints on variable contrast material or on conventional photographic material. A first tungsten filament lamp is... |
| US-4,255,044 |
Cleaning blade for electrophotography Disclosed are blades oriented in a trailing configuration for cleaning residual toner from the photosensitive drums of photocopying machines without marring the... |
| US-4,255,043 |
Electrostatic recording method and apparatus by doubly controlling ion
flow After uniformly charging one insulator side of an insulator mesh the other side of which is subjected to electroconductive treatment, the ion flow controlled by... |
| US-4,255,042 |
Light pipe for accurate erasure of photoconductor charge Erase apparatus for use in an electrophotographic copier machine where an array of light-emitting diodes (LEDs) are placed adjacent one end of a light channel... |
| US-4,255,041 |
Automatic printing apparatus An automatic printer includes an accommodation device for an image forming element which is used in the formation of a master adapted to be repeatedly subjected... |
| US-4,255,040 |
Positive overlay electronic xerographic printer Positive form overlays are used to make composite images with a positive mode xerographic printer having a laser scan exposure mechanism. The laser scan or... |
| US-4,255,039 |
Photographic film and paper processing equipment Equipment is provided for processing of photographic film and paper using roller transport systems which transport the photographic film and paper through a... |
| US-4,255,038 |
Holder for photographic processing machines A photographic processing machine has a plurality of rollers for transporting the photographic materials through a processing bath. According to this invention,... |
| US-4,255,037 |
High speed, low temperature and pressure diazo processing apparatus A processor for developing diazo film defined by a pair of flat platens disposed within a housing and spaced apart a distance only slightly greater than the... |
| US-4,255,036 |
Handheld support for camera and photographic lamp A support for a camera and photographic lamp includes a vertical center section, a horizontal arm extending from the top of the center section to support the... |
| US-4,255,035 |
Ring element for camera mechanism A ring-shaped element for a camera mechanism formed from a metal sheet maial is provided. Selected areas of the ring element are provided with operating regions... |
| US-4,255,034 |
Film retention in cartridge assembly A photographic film cartridge assembly includes (1) an opaque casing with an exposure window in one wall and (2) a film unit with photographic film. The film... |
| US-4,255,033 |
Universal focus multiplanar camera Conventional cameras and other optical instruments produce images upon one plane only. Objects at differing ranges from the lens of such cameras cannot appear... |
| US-4,255,032 |
Camera with a holographic indicator A camera having a holographic indicator in which a focused image hologram is held on an image plane of the view finder of the camera and a light source is... |
| US-4,255,031 |
Photographic camera with dual purpose light indicator A photographic camera apparatus includes an improved exposure and electronic flash fire control system comprising a single light source for providing a visual... |
| US-4,255,030 |
Camera with proportional fill flash quench strobe A photographic exposure control system is provided for controlling the firing of an electronic flash of the quench type so as to automatically provide a... |
| US-4,255,029 |
Focusing device A focusing device for the focusing movement of at least one member of an objective lens, with at least one photoelectric transducer or sensing device which is... |
| US-4,255,028 |
Focus detecting device in camera A focalization detecting device in a camera utilizing a self-scanning type photoelectric device having a number of elements disposed at a position equivalent to... |
| US-4,255,027 |
Exposure control device for photographic camera In a photographic camera provided with an electric shutter speed control circuit including a light measuring circuit in which scene brightness information is... |
| US-4,255,026 |
Viewer A device is disclosed for use by a person for viewing material on film in a cartridge comprising a viewing screen, a projection module, a cartridge module, a... |
| US-4,255,025 |
Method and apparatus for covering sealing surface on sealing device of
film cassette processor Method and apparatus for covering a sealing surface of a sealing strip which releasably seals processing fluid in a film cassette contained fluid processor. The... |
| US-4,255,024 |
Spectacles frame of wood The main components of the frame are constituted by slats of wood arranged in layers, shaped and adhesively assembled. |
| US-4,255,023 |
Objective retinal response recorder A retinal response recorder that is fully automatic, comprises a light stimulator, with means for a patient to position his head, such that his eye is on the... |
| US-4,255,022 |
Method of and apparatus for examination of visual fields A microprocessor based instrument designed to retrofit into existing perimeters utilizing the mechanics and stimulus control aspects of the existing perimeter.... |
| US-4,255,021 |
Optical device with conical input and output prism faces A device for radially translating radiation in which a right circular cylinder is provided at each end thereof with conical prism faces. The faces are oppositely... |
| US-4,255,020 |
Zoom lens system capable of macrophotography The optical system includes a variator lens and a compensator lens each adapted for cammed axial movement along the optical axis in response to rotation of a cam... |
| US-4,255,019 |
Diffractive color filter A diffractive color filter, comprised of proximately disposed diffraction grating and lenticular lens structures, which may be embossed on plastic sheet,... |
| US-4,255,018 |
Fibre optical arrangement for measuring the intensity of an electric
current A fibre optical arrangement for measuring the intensity of an electric current using the Faraday effect, in which the path of light whose state of polarization... |
| US-4,255,017 |
Tunable source of coherent electromagnetic radiation based on
modulational instability Method for achieving phase matching for electromagnetic radiation propagating through single mode transmission media, such as, for instance, single mode optical... |
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