Optical recording and reproducing apparatus including a disc extraction area for power setting a laser
It is, therefore, an object of the present invention to provide an apparatus for recording and reproducing data into/from an optical disc in which the power of a laser beam can be instantaneously cont... Read More
Inventors: Kobayashi, Seiji; Ohsato, Kiyoshi;, Assignee: Sony Corporation (Tokyo, JP) |
Disc-shaped recording medium reproducing apparatus
Accordingly, a general object of the present invention is to provide a novel and useful disc-shaped recording medium reproducing apparatus in which the above described problems have been eliminated. A... Read More
Inventors: Yamamura, Takashi;, Assignee: Victor Company of Japan, Ltd. (Yokohama, JP) |
Out-of-ink sensing method
We claim: 1. In an ink-jet printer having an ink bag, a bladder, a printhead, and a three-way valve which can selectively provide ink from the bag to the bladder, or from the bladder to the printhead,... Read More
Inventors: Hamlin, Mindy A.; Kaplinsky, George;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Container for a disc-shaped recording medium and a drive unit for use therewith
We claim: 1. A container for a disc-shaped magnetic recording medium, for use with a drive unit comprising means for driving and means for scanning said recording medium in the recording and/or playba... Read More
Inventors: Schoettle, Klaus; Wittkamp, Heinrich; Domas, Friedrich;, Assignee: BASF Aktiengesellschaft (Ludwigshafen (Rhine), DT) |
Magnetic transducer
What is claimed to be new and useful is: 1. A magnetic read/record transducer structure having a pair of poles with apposed pole faces spaced from one another by a separation layer which defines a sin... Read More
Inventors: Best, Donald T.;, Assignee: Sperry Rand Corporation (New York, NY) |
Partitionable flexible disk pack
OF RELATED EMBODIMENTS FIGS. 1-3 schematically illustrate a pack S of flexible (pliant or "floppy" type) disks D, adapted for "tab-partitioning" according to one aspect of the subject concept. That i... Read More
Inventors: Iwan, Wilfred D.; Gyi, Ko K.;, Assignee: Burroughs Corporation (Detroit, MI) |
Fixed head, direct access storage device
What is claimed is: 1. A disk drive comprising at least one stationary magnetic transducer for transducing signals between external circuitry and any of a plurality of concentric tracks on a magnetic ... Read More
Inventors: Lynott, John J.; Storm, Elwood H.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Lumbar stretch rocker
The apparatus of this invention is a novel exercise device which is constructed so as to facilitate selective rocking, oscillating, or rotating motion by the user. A base plate may be provided to faci... Read More
Inventors: Lindley, William L.; Lindley, Delores H.;, Assignee: |
Folding box gluing machine for package production provided with safety and noise protection walls
An object of the present invention is to allow the realization of a folder-gluer of which at least the wall on the operator's side: encumbers as little as possible the inspection of the inner machine ... Read More
Inventors: Cermeno, Cesar C.;, Assignee: Bobst SA (CH) |
Variable resistance exercise apparatus and improved method of exercising
OF THE PREFERRED EMBODIMENT Referring to FIG. 1, there is shown the variable resistance exercise apparatus of the present invention designated generally by the numeral 10. The apparatus 10 is compose... Read More
Inventors: Cosby, Theodore E.; Cunningham, Patrick J.;, Assignee: Cunningham; Patrick J. (Fullerton, CA) |
Resistance reel for an exerciser
It is an object of the present invention to provide a resistance reel for exercisers where the above disadvantages are avoided, and to provide a resistance reel where different components may be readi... Read More
Inventors: Braathen, Thor F.;, Assignee: |
Helicopter stick force augmentation null offset compensation
Referring now to the drawing, the cyclic stick 10 is mechanically connected (12) to the mechanical output of a force augmentation hydraulic servo actuator 14, which is of a well known type and provid... Read More
Inventors: Johnson, Jr., Raymond G.;, Assignee: United Technologies Corporation (Hartford, CT) |
Regenerative motor control with improved circuit means
I claim: 1. A regenerative motor control for regulating the operative condition of a direct current motor from a power source between the motoring and regenerative states in accordance with a bi-polar... Read More
Inventors: Ruppert, Arnold;, Assignee: Allen-Bradley Company (Milwaukee, WI) |
Non-DC ignition system with variable ignition timing
An ignition system providing variable ignition timing periods to an engine during operative mode of the system, comprises the combination of an angularly modulated waveform generator, an electronic co... Read More
Inventors: Gerry, Martin E.;, Assignee: |
AC power generation control system
It is therefore an objective of this invention to provide a high power AC source which is automatically turned off between firing cycles, wherein the energy output of such source is substantially grea... Read More
Inventors: Gerry, Martin E.;, Assignee: |
Emergency lighting system AC line voltage sensing
What is claimed is: 1. In an emergency lighting system having a high reactance transformer with a primary winding adapted for coupling to an AC energy source and a secondary winding, circuit means for... Read More
Inventors: Watrous, Donald L.;, Assignee: General Electric Company (Carmel, IN) |
Musical chord and note calculator
With reference to FIG. 1, the present invention includes a main disk 50 having at its center a spindle 51 perpendicularly projecting from the upper surface 52 of said disk 50. On the surface 52 disk ... Read More
Inventors: Garcia Lorenzen, Felix Hector;, Assignee: |
Keying apparatus
What is claimed is: 1. A code keying apparatus comprising in combination: means for holding a plurality of key pins, said holding means maintaining said plurality of key pins in substantially parallel... Read More
Inventors: Harmon, John P.;, Assignee: |
Racket having a grip member spaced from the handle
I claim: 1. An improved tennis racket comprising: (a) a head attached to a handle, and a two hand hollow elongated grip member also attached to said handle; (b) said head being strung with elastic str... Read More
Inventors: Chamness, Terrance H.;, Assignee: |
Training aid for basketball players
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A training aid for use by basketball players, comprising a vest-like member adapted t... Read More
Inventors: Bishop, Leonard E.;, Assignee: |
Fluid pressure responsive brake for the trailer of a vehicle
The present invention teaches a fluid pressure responsive brake system for the trailer portion of a tractor-trailer vehicle. The trailer brake system is designed such that the brakes of the trailer ar... Read More
Inventors: Rothen, Johann; Schult, Manfred;, Assignee: WABCO Westinghouse Fahrzeugbremsen GmbH (Hanover, DE) |
Unitary tuned port and loudspeaker frame
In accordance with the present invention, a speaker system having a broad-band frequency response with enhanced low frequency sound reproduction, is comprised of an acoustic driver and at least one tu... Read More
Inventors: Babb, Burton A.;, Assignee: Babbco, Ltd. (Dallas, TX) |
Chill plate having high heat conductivity and wear resistance
Having described a preferred embodiment of the present invention, the following is claimed: 1. A chill plate for continuous casting of high melting temperature metals comprising: a copper substrate; a... Read More
Inventors: Waters, William J.; Leissler, George W.; Edmonds, Brian J.;, Assignee: Waters & Associates (Cleveland, OH) |
Helmet with filtered air supply
It is accordingly an object of the invention to provide a helmet that protects the worker's head and face from trauma while supplying sufficient filtered air for cooling and respiration that it will n... Read More
Inventors: Dickey, Jonathan B.;, Assignee: |
Wall covering, carpet and drapery displaying room simulator
Interior decorating simulators previously disclosed in the art include those structures described in the following U.S. Pat. Nos. 1,247,160, 1,853,615, 2,194,238, 2,522,149, 3,590,500. While the foreg... Read More
Inventors: Kistner, John E.;, Assignee: Kistner Co., Inc. (Austin, TX) |
Artists' portfolio
We claim: 1. An improved artists' portfolio comprising two outer covers joined so as to open and close book-fashion to form a case, co-operating closure means on adjacent free sides of each cover char... Read More
Inventors: Sarna, Abraham; Sarna, David;, Assignee: |
Frame for displaying outfits or ensembles
This invention is directed to a frame and cards used for playing a board game in which the players simulate a shopping trip to a mall. An object of this invention is to display matching outfits or ens... Read More
Inventors: Rehtmeyer, Carol A.; Yoe, Craig F.;, Assignee: Pressman Toy Corporation (New York, NY) |
System of furniture merchandising and selection
This invention relates to an improved method and system for the planning, merchandising, and selection of custom quality cabinet structures for a living space such as a kitchen, den, living room, bedr... Read More
Inventors: Kurzman, Alan M.;, Assignee: Triangle Pacific Corp. (Dallas, TX) |
Implant collar and post system
Referring to the drawings in detail, in FIG. 1A, the implant (10), itself is represented as it exists after placement in the bone. In this example, it has an internal bevel, a threaded portion (12) t... Read More
Inventors: Marlin, Gerald M.;, Assignee: |
Dental instrument servicing system
The invented dental instrument servicing system is a finger-mounted system which includes socket-forming member configured to support both a cleaning cushion and a medicament holder capable of carryin... Read More
Inventors: Johnsen, James B.; Oien, Hal J.;, Assignee: Jordco, Inc. (Beaverton, OR) |
Exercise Devices 
