Photographic film assemblage
The instant invention relates to a photographic film assemblage of the type including a roll of instant or self-developing type film which is adapted for use in conventional still type cameras, prefer... Read More
Inventors: Bendoni, Leonard V.; Green, Lawrence E.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Image-receiving element with crosslinked hydrophilic polymer containing processing composition
OF THE INVENTION The present invention is directed to a diffusion transfer photographic film unit and particularly to an image receiving element adapted for use with such a film unit. The image-recei... Read More
Inventors: Bullitt, Julian G.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Wet film cassette and transport system
In accordance with the present invention, at least the wet film in a two component diffusion transfer film system is enclosed at all times other than during a processing cycle in a tightly sealed encl... Read More
Inventors: Stella, Joseph A.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Continuous web form instant photographic materials and method for processing the same
OF THE PREFERRED EMBODIMENT As shown in FIG. 1 of the drawings, an image-receiving web assembly adapted for use in the practice of the present invention is generally designated by the reference numer... Read More
Inventors: Sorli, Duncan C.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Camera having film cassette hold back/film exit shade
The present invention relates to a camera comprised of a plurality of housings pivotally coupled to each other for automatic movement from a compact collapsed position to an erect condition in which a... Read More
Inventors: Douglas, Lawrence M.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Camera with film processing means
It is, therefore, an object of the invention to provide a camera having therein an appropriate film processing composition. A further object of the invention is to provide such a camera wherein the fi... Read More
Inventors: Norris, Philip R.; Cloherty, James M.;, Assignee: Polaroid Corporation (Cambridge, MA) |
Battery operated computer having improved battery monitor and cell reversal protection circuit
The following description is divided into sections that proceed from a more generalized description of the digitizer tablet computer, through a general description of service processor operations, an... Read More
Inventors: Gladstein, Leo A.; Jones, Christpher D.; Wulf, James C.;, Assignee: International Business Machines (Armonk, NY) |
Inline oil filter assembly
According to the present invention there is provided a novel inline oil filter assembly. A broad object of the invention is to provide an inline oil filter assembly of simple, economical construction.... Read More
Inventors: Hilgert, Charles William; Lobmeyer, Raymond Joseph;, Assignee: Deere & Company (Moline, IL) |
Lighting fitting
We claim: 1. A light fitting comprising a ballast casing enclosing first means for communicating with a source of electrical current, a large shade provided with a reflector, second means connecting t... Read More
Inventors: Paajanen, Paavo Antero; Vaananen, Pentti Kauko Tapani;, Assignee: A. Ahlstrom Osakeyhtio (SF) |
Musical instrument circuit providing celeste and vibrato effects
What is claimed is: 1. An electronic circuit for a musical instrument comprising: a keying circuit for generating a keying voltage; an oscillator made operative by application of said keying voltage t... Read More
Inventors: Chase, Willis E.;, Assignee: |
Keyboard switch assembly
The above-discussed and other deficiencies of the prior art are overcome or significantly reduced by the present invention. In accordance with the present invention, a keyboard switch array is formed ... Read More
Inventors: Langford, Gordon B.;, Assignee: Rogers Corporation (Rogers, CT) |
Slider type push button switch with safety lockout feature
Among the several objects of the present invention may be noted the provision of an improved electrical switch having advantageous or desirable features differentiating from the above discussed prior ... Read More
Inventors: Woodward, Stewart A.;, Assignee: General Electric Company (Fort Wayne, IN) |
Termination device using a directional coupler which compensates for the parasitic radiation from a light source via a compensation signal
What is claimed is: 1. A terminal device for an optical fiber used for two-way transmission of information, said device comprising a first light source coupled to one end of the optical fiber, means f... Read More
Inventors: Flocon, Alain;, Assignee: Telecommunications Radioelectriques T.R.T. (Paris, FR) |
Safety device actuatable by seismic vibrations
OF THE INVENTION Referring now to FIG. 1, there is shown a first embodiment of the apparatus actuated by vibrations. A vertically or substantially vertically movable rod 12 penetrates a coaxial cylin... Read More
Inventors: Yamaura, Yoshitomo; Kobayashi, Takayoshi; Asanuma, Akira; Miyazawa, Kuichiro;, Assignee: Kabushiki Kaisha Shinko Seisakusho (Nagano, JA) |
Electric capacitor with liquid cooling
What is claimed is: 1. An electric capacitor with liquid cooling, comprising a pair of spaced apart plates having metal layers, a densely sintered ceramic dielectric body, the dielectric body being di... Read More
Inventors: Schmauss, Herman; Zeitner, Alfred; Hoffmann, Helmut; Wollenschlager, Werner; Schlegel, Heinz;, Assignee: Draloric Electronic GmbH (DE) |
Optical fiber splicing technique
Illustrated in FIG. 1 is an optical fiber receiving tube 20, adapted for joining two mating optical fibers 11 and 12. Tube 20, which is a hollow elongated member, has a uniform interior cross section... Read More
Inventors: Miller, Calvin Max;, Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ) |
Method for producing orientation layers for liquid crystal displays and liquid crystal displays having orientation layers
OF THE INVENTION The invention is explained in greater detail with reference to the following examples and the FIGURE, in which one embodiment of a liquid crystal display according to the present inv... Read More
Inventors: Ahne, Hellmut; Kruger, Hans; Rubner, Roland;, Assignee: Siemens Aktiengesellschaft (Berlin and Munich, DE) |
Method of transmitting digital streams over higher rate channels and a device for implementing same
For this, the present invention provides a method of the above defined type, wherein: on the emission side, with a clock signal H.sub.i associated with the digital stream D.sub.i, the starting times o... Read More
Inventors: Guerillot, Yves;, Assignee: Societe Anonyme de Telecommunications (Paris, FR) |
Symmetric mixer for millimeter waves and a receiver using such a mixer
What is claimed is: 1. A symmetric mixer for millimiter waves of the type comprising two modules, each of these modules comprising a conducting support, a semiconductor diode in contact with the suppo... Read More
Inventors: Cachier, Gerard;, Assignee: Thomson-CSF (Paris, FR) |
Method and apparatus for determination of chemical species in perspiration
In one aspect, the present invention comprises a dermal patch to be worn on the skin of a subject mammal for quantitatively determining the presence and amount of an analyte in that subject's perspira... Read More
Inventors: Schoendorfer, Donald W.;, Assignee: Sudor Partners (Santa Ana, CA) |
Game apparatus
The present invention comprises, in its simplest form, a mechanism capable of projecting matter toward a plurality of player positions, plus mechanisms for selecting when to project the matter and for... Read More
Inventors: Clayton, Richard A.;, Assignee: |
Recreational vehicle power control system
The present invention is directed to a control system for recreational vehicles which to a large extent overcomes these and other problems associated with the use of electrical appliances powered by s... Read More
Inventors: Slavik, William H.;, Assignee: Nuvatec, Inc. (Downers Grove, IL) |
Wave powered buoy generator
What is claimed is: 1. A buoy generator comprising: a hollow buoy having inner and outer surfaces; at least one winding mounted to the buoy parallel to its surfaces, the winding having a pair of ends;... Read More
Inventors: Rowe, Raymond A.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
DC/DC converter
It is therefore an object of the present invention, considering the problems in the conventional circuit described above, to obtain a high step-up ratio in a DC/DC converter without lowering the conve... Read More
Inventors: Sakurai, Tadashi; Kojima, Masahiro;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Low-power integrated circuit with selectable battery modes
What is claimed is: 1. An integrated circuit, comprising: first, second, and third power input terminals; said first input terminal being operatively connected to an internal power supply line; a grou... Read More
Inventors: Leo, Robert D.;, Assignee: Dallas Semiconductor Corporation (Dallas, TX) |
Split-path linear isolation circuit apparatus and method
An object of this invention is, therefore, to provide an improved split-path isolation apparatus and method having an accurate and stable response over a wide range signal measurement frequency range.... Read More
Inventors: Baker, Clifford E.; Khaw, Michael P.;, Assignee: Tektronix, Inc. (Wilsonville, OR) |
Device for preventing erroneous insertion of a plurality of print substrates into corresponding connectors in a rack
An object of the invention, therefore, is to provide a device for preventing erroneous insertion of a plurality of print substrates into corresponding connectors in a rack, which can eliminate the abo... Read More
Inventors: Daigaku, Masaaki;, Assignee: Olympus Optical Co. Ltd. (Tokyo, JP) |
Method and apparatus for filtering signals
An object of the present invention is to improve a method of the type initially cited such that a qualitatively high-grade filtering of signals with a low signal-to-noise ratio is enabled. The alone o... Read More
Inventors: Lebowsky, Fritz; Peters, Hans-Werner;, Assignee: Linotype-Hell AG (Eschborn, DE) |
Capacitive key for keyboard
The present invention makes use of a movable capacitor plate having a unique design. The movable capacitor plate may be stamped from a single sheet of resilient conductive material such as CA 725 copp... Read More
Inventors: Cencel, J. Arthur; Voge, Andrew; Mullins, Barry W.;, Assignee: Becton, Dickinson Electronics Company (Rutherford, NJ) |
Variable capacitor for use in a keyboard
The foregoing and other objects and advantages of the present invention are accomplished in an illustrated embodiment comprising a variable capacitor for use with a key on a keyboard or control panel.... Read More
Inventors: English, George P.;, Assignee: General Instrument Corporation (Clifton, NJ) |
I/O Systems 
