Abstract: A process for the electronic long-time monitoring of the heart with EKG lead electrodes fastened to the skin of a patient, in which the signal delivered by these electrodes is digitized and evaluated, the process being characterized by the fact that the EKG signal is evaluated simultaneously on basis of several parameters, that all evaluation signals are stored in the form of histograms, and that furthermore, in case of a signal anomaly determined by the evaluation, this anomaly as well as preceding and following signal sections are permanently stored.

Abstract: The invention contemplates improved intraocular-lens structures for use as implants in ophthalmological surgery, the lens being a replacement for a cataract-clouded natural lens, and the replacement being installed through the pupil at the iris as the operative step following removal of the cataracted lens. The lens features adapter structure assembled to an optically finished lens element and including plural angularly spaced stabilizing feet which are formed integrally with the body of the adapter and which are axially offset from the adapter body to permit the stabilizing feet and the adapter body to engage features of the eye within the posterior chamber.

Abstract: The invention contemplates improved intraocular-lens structures for use as implants in ophthalmological surgery, the lens being a replacement for a cataract-clouded natural lens, and the replacement being installed in the pupil at the iris as the operative step following removal of the cataracted lens. The lens features adapter structure assembled to an optically finished lens element and including plural angularly spaced stabilizing feet which are formed integrally with the body of the adapter and which are axially offset from the adapter body to permit the stabilizing feet and the adapter body to engage opposite sides of the iris.

Abstract: The invention contemplates a combined closure spring and upstop having particular application to check valves having multiple valve members. The invention is illustrated by one embodiment involving two valve members hinged on a single axis oriented diametrically of the valve-flow passage, and by another embodiment involving more than two valve members hinged on separate axes oriented tangentially of the valve-flow passage.

Abstract: An optical alignment device for aligning the pulleys of a belt drive system in three planes. The device includes first and second members releasably attachable to each pulley. The first member mounts a target device having horizontal and vertical alignment markings corresponding to the centerline of the pulley. The second member mounts a viewing device having horizontal and vertical alignment markings corresponding to the centerline of the other pulley. The target is seen in the viewing device, when the horizontal and vertical markings of the viewing device and the target are superimposed, the pulleys will be in alignment in the horizontal, vertical and angular planes. A projector may be used in place of the viewing device to project a beam of light on the target in a second preferred embodiment of the invention.

Abstract: An improved phase locking system in which an independently reproduced video signal is coded into a digitized video signal in response to a first clock pulse train, the first clock pulse train being produced from a synchronizing signal and/or a color burst signal contained in the video signal. The digitized video signal is stored and storage location as well as delay prior to storage is controlled in response to the phase difference between the synchronizing signal and a reference signal. The improved phase locking system reduces the frequency of occurence of visual shifts on the reproduced television picture.

Abstract: A television strobe effects system is described in which a position information signal representing the position of a moving object included in a television picture is extracted from either the input video signal or the sample-to-sample comparison between successive frames or fields of the input video signal. The write-in of the input video signal in a picture memory is controlled in response to the position information signal so that such write-in for each frame of the input video signal is prohibited at those addresses of the memory which correspond to the position of the moving object.

Abstract: An improved system arrangement for distributing and permitting use of an ensemble of program controlled television games includes head end apparatus for impressing an array of game-regulating programs onto an electronic distribution system, e.g., by time division multiplexing into an assigned frequency band on a television program distributing CATV or MATV cable. At any of plural receiver locations connected to the distribution channel, a user desiring a game selects ("tunes") the game frequency band and loads a game program memory (RAM) with the program for the particular game desired. The composite apparatus then functions in the now per se conventional manner to actually implement the selected game in conjunction with a television receiver and player control(s).

Abstract: A noise reduction system for a color television signal wherein the television video signal is stored for a period substantially equal to the period of one television frame and the value of the stored signal is compared to the value of a present incoming television signal to produce a frame-to-frame difference signal. A non-linear transmission factor, dependent on the value of the frame-to-frame difference signal, is introduced into said difference signal and the difference signal is then added to the present incoming television signal.

Abstract: A method and apparatus is provided for the non-surgical, reversible sterilization of females. In the method of the invention an operation-channel hysteroscope is employed for optical guidance of an obturator tip into alignment with the uterine end of the oviduct. The obturating tip is carried upon the inner of two concentric tubes and a curable elastomer-precursor composition is injected through the inner tube, through an aperture in the obturating tip and into the oviduct in an amount sufficient to fill and mechanically lock to the oviduct portion adjacent to the uterus. The elastomeric composition is allowed to solidify in situ where it adheres to and becomes integral with the tip. Maintaining the outer tube in fixed position, the inner tube is then withdrawn, forcing the obturating tip to be ejected from the inner tube where it now remains integral with the resultant oviduct block. The foregoing procedure is then repeated for the opposing oviduct.

Abstract: Communications apparatus includes one-for-n modem redundancy for a plurality of typically contiguously disposed modem modules. The modem modules comprise n active units each illustratively operating in a different frequency band and a redundant (spare) modem of electronically adjustable frequency. The on-line (active) modem modules each include a multiplexer which normally connects user terminal equipment associated with the module to the frequency translating and data and control signal processing circuitry in the module.When a fault is detected in one of the modems (sensed, for example, by negated module "data valid" or "clear to send" levels for receive and transmit modems, respectively), a hierarchal control network and related apparatus automatically sets the redundant modem to the proper operating frequency and substitutes the spare for the failed unit via the appropriate multiplexer.

Abstract: A semiconductor structure in which metallic connecting leads are bonded to bump terminal electrodes by thermal pressure bonding. A stress mitigation layer is advantageously provided in the semiconductor structure which prevents or reduces breaking of the semiconductor substrate or an insulating film when thermal pressure bonding is applied to the bump terminal electrode.

Abstract: There is disclosed a method of producing dielectric diffraction gratings. This method comprises (a) preparing a preform by forming one upon another layers of two or more glasses having different refractive indices at a given period, and (b) cutting the preform into flat pieces.

Abstract: An electromagnetic clutch wherein a rotational force is transmitted between a first rotatable member and a second rotatable member by a magnetic attraction of an armature supported on one of the first and second rotatable members to the other member. The armature is rotatable with respect to the member upon which it is mounted within a limited extent. At least one arcuate spring member is provided to connect the armature and the supporting member. The inner surface of the arcuate member faces the annular surface of a portion of the other rotatable member. When the armature is magnetically attracted to, and rotated together with, the other rotatable member, the inner surface of the arcuate spring member comes into contact with an annular surface of the other rotatable member so that the transmission of the rotational force is effected through the arcuate spring in addition to the magentic attraction of the armature.

Abstract: The invention contemplates improved apparatus for use in a self-tracking optical system for directing highly concentrated solar radiation upon utilization means such as a photovoltaic cell, wherein the full image of the sun covers the exposure surface substantially only when the axis of the optical system is aligned with the sun. Certain structural features associated with the optical system in the vicinity of cell support effectively enlarge the margin of off-axis misalignment within which self-tracking is achievable. At the same time, certain aspects of these features inherently prevent thermal losses which would otherwise be attributable to convection currents of air in the region of heat concentration.

Abstract: The invention contemplates a non-rotary printing machine which accommodates continuously moving web along a single path of movement, for recycled precision imprinting of specially characterized information; the printing involves cooperative use of a printing-head unit on one side of the web and a printing-hammer unit on the other side of the web, and these units are indexibly positionable to enable the machine to print the characterized information in a selected one of at least two different alignment orientations with respect to the direction of web movement.

Abstract: A noise reduction system for improving the signal-to-noise ratio of a color television signal wherein a first television frame portion is recursively added to an immediately subsequent second television frame portion and the addition apparatus is controlled in response to the signal level difference between said first and second frame portions.

Abstract: An electronic identification system includes common transceiver and signal processing apparatus, and relative small electronic circuitry, referred to as a "tag", secured to each item of a population to be identified. Each tag is assigned a multi-bit digital code which may or may not be unique.The common equipment determines whether any desired tag-bearing item is nearby by emitting a phase modulated radio frequency wave embodying the requisite tag code, and examining the output of a homodyne mixer, operating on a radar-like recovered reflection signal, for a predetermined signatory response. Such a response will be generated only by a tag circuit responding to a match between its stored encoding and that of the interrogation signal by changing the effective cross sectional reflecting area of the tag antenna.

Abstract: The invention contemplates continuous monitoring of a sample solution for cloud disturbances while conducting absorption-photometry measurements on the solution. The absorption-photometry measurements are a function of light directly transmitted through the sample solution, and the cloud disturbances are observed to the extent that the same light is or may be dispersed by cloud particles, in one lateral direction from the direct-transmission axis.

Abstract: A device for producing a 2 N-pole magnetic field in a rhombic or a rectangular prismal space comprises 2 N sets of conductors extended axially of the space along a yoke inside surface defining the space. Electric currents are caused to flow through the conductors with a current density distribution given by -d.phi./ds where .phi. and ds represent a potential for the field and a differential line element directed perpendicularly along the yoke inside surface of the prism axis. The current density distribution is generalized, for production of a general static magnetic field, to current components perpendicular to a plane intersecting the yoke inside surface at a plane curve, when ds represents a differential line element tangential to the curve.