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Patent # Description
US-4,419,018 Electronic watch with control means for selecting and correcting time data
The watch comprises a plurality of stores, each containing a particular item of time data and each producing an output signal representing the data therein. A...
US-4,419,017 Electronic clock
A plug-in electronic clock being operated either by a commercial power source in a normal state or by a D.C. power source in case of a power failure, said...
US-4,419,016 Device for indicating last medication usage
A patient medication use compliance aid which enables the users to readily ascertain the time at which they took a previous dose of medication. A time keeping...
US-4,419,015 Agitator having detachable wear sleeve
An agitator has a shaft carrying a wear sleeve detachable secured thereon and extending through a fixed flange. A detachable stuffing box is secured to a first...
US-4,419,014 Extruder mixer
An extruder mixer for the extrusion of molten plastics and rubbers. The apparatus comprises a hollow cylindrical stator member and a cylindrical rotor member...
US-4,419,013 Phase contrast alignment system for a semiconductor manufacturing apparatus
A masking apparatus for use in the production of semiconductor devices. In order to achieve alignment beween successive masking operations, alignment targets are...
US-4,419,012 Position measuring system
A position measuring system comprising a transmitter (5, 19) mounted on one body and arranged to direct a flashing beam of radiation onto an area sensor (11)...
US-4,419,011 Automatic range finder
An automatic range finder for measuring the distance to an object on the basis of the triangulation principle, including a light-emitting diode (16) for...
US-4,419,010 Method for controlling the toner concentration in an electrostatic copier
The toner concentration of a xerographic reproduction device is maintained by use of a patch sensor, wherein the photoconductor's test patch is toned while the...
US-4,419,009 Data converting method for reordered prints
A data converting method for reordered prints in which print data given in the terms of a length from the end of a film strip is converted into a data from the...
US-4,419,008 Photographic color printer
An improved printer for exposing and printing a color printing paper is disclosed. Printing operation is performed with a certain color balance properly...
US-4,419,007 Multi-mode document handling system
An automatic document handling system particularly suitable for raster input scanners which is capable of operating in either a simplex or duplex document...
US-4,419,006 Image processing apparatus utilizing digital display means
An image forming apparatus which includes a display device for displaying a numerical value related to the number of image formation operations is also capable...
US-4,419,005 Imaging method and apparatus
An electrostatic method of making transparencies and apparatus for practicing said method. An endless electrophotographic belt is charged, imaged and toned with...
US-4,419,004 Method and apparatus for making transparencies electrostatically
An electrostatic method of making transparencies and apparatus for practicing said method. An endless electrophotographic belt is charged, imaged and toned with...
US-4,419,003 Recording sheet conveying system of pressure fixing type electrostatic printing apparatus
An electrostatic printing apparatus of the pressure fixing type having a toner image formed on a recording sheet fixed by applying pressure, including a tension...
US-4,419,002 Lens extension and retracting mechanism for use in a photographic camera of folding type
A lens extension and retracting mechanism for use in a photographic camera of a folding type, including a lens board guided between a photographing position at a...
US-4,419,001 Motor driven film wind-up and rewind device for cameras
A motor driven film wind-up and rewind device for cameras is automatically switched from a film wind-up mode to a film rewind mode when the entire length of an...
US-4,419,000 Camera capable of automatic film advancing and rewinding
A single lens reflex camera includes a body member having an intermediate compartment containing the photographic and view finding light paths, the shutter,...
US-4,418,999 Synchronizing circuit
A synchronizing circuit is disclosed which enables a desired phenomena to occur, such as the discharge of a flash illuminating means at a precise point along the...
US-4,418,998 Automatic focusing device for the camera
In an automatic focusing camera capable of bringing the lens into focus by automatically detecting the distance between the object and the camera, an automatic...
US-4,418,997 Slide projector with circular slides magazine
A slide projector for interchangeable circular slides magazines comprising downwardly open slide compartments (2) is provided with a mechanism, the double...
US-4,418,996 Color beam projector apparatus
An apparatus for generating and projecting a bright, narrow, color selectable beam of light has a light source for producing a beam of light directed into a...
US-4,418,995 Module for projecting motion pictures through a camera
A module for projecting motion pictures through a standard camera having an independently powered illumination source disposed within a standard film cartridge...
US-4,418,994 Film magazine for motion picture camera
A film magazine for a motion picture camera contains apparatus for maintaining the tension in the film strip from the supply reel and in the film strip to the...
US-4,418,993 Stereoscopic zoom lens system for three-dimensional motion pictures and television
Paired movie cameras, each having synchronized movements and in phase shutters, are provided with focus and zoom optics of identical, but conventional and...
US-4,418,992 Ophthalmic progressive power lens and method of making same
An improved ophthalmic lens and method of making same, said lens being formed of refractive material having two refractive surfaces one of which is divided into...
US-4,418,991 Presbyopic contact lens
A contact lens to correct presbyopia provides a distance correction at the center, increasing diopter adds away from the center for close and intermediate...
US-4,418,990 Eyeglasses and other lenses of variable focal length and means and method for varying such focal length
An eyeglass apparatus having a variable focal length lens and an associated method for varying the focal length of the lens uses a lens having a focal length...
US-4,418,989 Apparatus for shifting the wavelength of light
A light beam is reflected back and forth between a rotating body having a retroreflection corner at opposite ends thereof and a fixed mirror to change the...
US-4,418,988 Microscope objective
A four-component microscope objective has a numerical aperture of 0.66. When used with a telescope objective as described in U.S. Pat. No. 3,355,234, the...
US-4,418,987 Polarizer arrangement for a significant improvement in viewing angle characteristic in a liquid crystal display
A pair of polarizers are respectively attached to a pair of substrates forming a twisted nematic field effect mode liquid crystal display. An orientation control...
US-4,418,986 Rear projection screen
Provided is a rear projection screen having a front surface receiving light rays from a projector and a viewing surface formed with a lenticulated surface in...
US-4,418,985 Multi-component glass optical fiber for optical communication
There is provided a multi-component system glass fiber for optical communication which comprises a multi-component system glass for core having a composition...
US-4,418,984 Multiply coated metallic clad fiber optical waveguide
There is disclosed a metallic clad glass fiber optical waveguide suitable for use as a high-strength optical transmission line, e.g., for high capacity...
US-4,418,983 Optical waveguide connector
A connector for axially aligning a pair of optical waveguides is disclosed comprising a receptacle, a pair of plug members for positionment in the receptacle...
US-4,418,982 Splice organizer
A splice organizer useful in fibre optics. The organizer has plates and each plate receives a length of fibre having a splice formed in it. The fibre lengths are...
US-4,418,981 Quadrature fiber-optic interferometer matrix
An optical interferometer matrix is described which includes a reference waveguide for optically transmitting a reference signal. The optical interferometer...
US-4,418,980 Planar waveguide lens, its utilization and method for its manufacture
A planar waveguide lens is characterized in that the same is a gradient lens, whereby the refractive index profile transversely to the lens axis extends...
US-4,418,979 Plug socket with working condition display
A plug socket is disclosed which is easy to assemble and which will visually display the working condition of a load connected thereto. The plug socket includes...
US-4,418,978 Fuse plug
A combination plug and fuse holder provides fuse protection for appliances, extension cords, ornamental lighting and other electrical products wherein fuse...
US-4,418,977 Connector structure for flat cable
A connector structure for making electrical connection to a plurality of individual conductors contained within a flat wire cable has a plurality of fixed length...
US-4,418,976 Retaining clip for an electrical connector
A connector clip 12 is shown having a "U" shaped body member 30 including a base 34 and two parallel, extending legs 32. The ends of each of the legs 32 define...
US-4,418,975 Electrical connector for a slide-in component
An electrical connector for connecting a slide-in radio to a plurality of related, remotely located components by a plurality of wiring harnesses comprises, a...
US-4,418,974 Low insertion force socket assembly
A Low Insertion Force Socket Assembly includes a base (2), cavities (24), electrical contacts (4) in the cavities, rails (6)(8) which engage and close the...
US-4,418,973 Wedge base lamp socket assembly
An improved socket member for a wedge base type incandescent lamp is disclosed which includes resilient engagement means to mount the lamp and socket assembly...
US-4,418,972 Electrical connector for printed wiring board
The present disclosure describes an electrical connector for use with a printed wiring board. The connector design is characterized by an inner housing of...
US-4,418,971 Electrical keying arrangement
An electrical keying arrangement ensures that correctly associated electrical components, such as a circuit board and connector, are interconnected by completing...
US-4,418,970 Rotary-position catch for rotatable shelf units
A rotary-position catch (30) for a lazy susan (20) includes a prism element (40) with at least one dog (42) which receives at least one recess (50) of an oblong...
US-4,418,969 Bottled chemical handling system
A bottled chemical handling system having an outer protective housing for supporting an inner shelving and containment module. The inner containment module is...
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