Abstract: A screw press built in a modular system is disclosed. Included are a driving gear, wormshaft, and a housing provided with an impact cone and a perforated wall. The size of the perforations is variable during operation.

Abstract: A television camera has an optical system including an iris, a master lens, and a color stripe filter. The television camera further comprises an optical lowpass filter provided within an effective light path of an afocal system which reaches the master lens through the iris. The optical lowpass filter has a shape to partially produce an optical lowpass filter effect with respect to a part of a beam in the effective light path.

Abstract: In an electronic timepiece having two stepping motors, one for driving at least a second-hand and the other for driving at least an hour-hand, rotation or non-rotation of the rotor of said other stepping rotor is detected and when non-rotation is detected, failure of stepping of said other stepping motor is determined and said one stepping motor is controlled to be actuated in a warning mode which is different from a normal mode to give warning of the failure of stepping of said other stepping motor.

Abstract: A system for presenting a head-up display to the operator of a vehicle is disclosed. This system comprises a light source fiber optic bundle (52) which is secured to the helmet of the vehicle operator and generates a light beam signal which travels at an angle proportional to the orientation of the pilot's head and, accordingly, his line-of-sight. This beam is detected by a detector (68) which is optically coupled to the light beam and provides line-of-sight information at its ouput. A computer (96) receives the line-of-sight information together with other information and sends it via a cathode ray tube (112) and an optical coupler (14) to a beamsplitter (16) which provides that information to the operator of the vehicle while allowing the operator to see through the beamsplitter (16), thus providing the operator with additional information without obstructing his view.

Abstract: The apparatus includes a multi-compartment hopper into each compartment of which various particulated materials are fed at a grain size according to the quality of the particular layer desired in the end product, which can be in the form of a board or a animal feed cakes in strip form, and wherein the materials are continuously but controllably fed into a pressing chamber onto which a forward pressing piston operates in one preferred direction, namely the direction of the feed, and a pair of side pressing pistons act from both sides, the interaction of all pressing means forcing the pressed product into a canal at the output of the pressing chamber where it may undergo further treatment such as by heating.

Abstract: A record disc playing apparatus has a tone arm position detecting device which comprises a position detection part comprising a plurality of reading elements aligned in line, a code part comprising a plurality of rows of code patterns shifted in the direction of alignment of reading elements and extending along substantially perpendicular directions to the alignment direction of reading elements, and an encoder which is supplied with the output signal of the position detection part and produces address signals according to the relative position of the position detection part and the reading part. One of the code part and the position detection part is fixed and the other unitarily undergoes displacement with a tone arm of the record disc playing apparatus.

Abstract: A robotic system for grasping a randomly oriented object, comprising grasping means for grasping said object is disclosed. Motor means places the grasping means at a desired position and causes performance of a gripping function. Camera means forms a first image of the object. An optical train conveys an image from a predetermined point to the camera means, the predetermined point being fixed relative to the grasping means. Image means contains a second image of the object to be grasped. Comparison means compares the first image to the second image. First coupling means couples the image means to the comparison means. Second coupling means couples the output of the camera means to the comparison means. Image rotation means causes rotation of the second image with respect to the image produced by the camera means.

Abstract: A printed circuit device comprises a ceramic base plate and a circuit pattern layer which is constituted of electric conductor layers and insulating layers in alternate laminar stacked arrangement on one surface of the base plate, which layers are formed by alternately printing electrically conductive material and insulating material in predetermined patterns and subjecting the material thus printed to baking. Among the electric conductor layers, at least one layer serves as a wiring or conducting layer. At least two electric conductor layers confronting each other with the insulating layer interposed therebetween constitute a capacitor. Resistors are formed in the circuit pattern layer by printing the material of the resistor on an electrode layer applied beforehand to the surface of the electric conductor layer.

Abstract: A system is disclosed in which signals are presented to a listener with a spatial impression in which the signal which is desired appears to be coming from a source in front of the listener while other signals appear to be coming from audio sources to the right and left of the listener. The same is achieved through a combination of a heterodyne type detector and a combination of high pass and low pass filters receiving the output of the detector. The outputs of the high and low pass filters are separately amplified and each sent to one ear of the listener.

Abstract: A rotary recording medium reproducing apparatus reproduces a rotary recording medium having a spiral video signal track recorded with a video signal by use of a reproducing element, where the recording medium further has a reference signal track between each information signal track turn alternately switched over and recorded with first and second reference signals for an interval corresponding to each track turn, and recorded with a third reference signal at a position corresponding to the position where the first and second reference signals are switched over.

Abstract: An improved device for controlled illumination of a cavity such as in endoscopy or inspection of machinery within a housing; the device comprises a light source and a fiber optics for feeding light into the cavity, and a control means arranged between the light source and the entrance plane of the fiber optics for controlling the luminous density at the exit plane of the fiber optics; the control means is in the form of a diaphragm disc arranged between the light source and the entrance plane of the fiber optics and is capable of linear or rotational displacement or motion; the disc has an opening having a width that varies cross-wise to the direction of displacement or motion of the disc-shaped diaphragm so as to provide a variable aperture; the luminous density at the exit plane will, in general, be determined by the light flux that impinges upon the entry plane, and that flux is controlled by the variable aperture.

Abstract: This disclosure relates to apparatus of the kind suitable for taking spot measurements of the heat loss or stack loss and/or efficiency (.eta.) in flue gases (stack loss) and comprises respective sensors (5, 3) for producing output signals which vary with the temperature and the concentration of a constituent gas e.g. O.sub.2 of the flue gases and microprocessor-based computation means (10) arranged to derive measurement values of (and numerically equal to) the measured temperature and constituent gas concentration, from the two sensors and to apply these measurement values in the computation of a predetermined formula relating the stack loss or efficiency to the measured quantities. In accordance with the invention, the apparatus is arranged to automatically calibrate each sensor signal from a test measurement prior to deriving the measurement values.

Abstract: An echography device with dynamic focusing and sectorial scanning, comprising a transmitting portion (16) and a receiving portion (18) constituting piezoelectric transducers (4), juxtaposed in a form of a linear bar (2), each transducer (4) being associated with a delay line (26,32), the delays applied when a wave is being received being determined as a function of a reference dependent on the delays when the wave is being retransmitted and stored in a digital memory (34), the said reference being fed into a frequency adjustable oscillator (42) associated with a servo-device (38, 56, 54) through a computer.

Abstract: An information signal recording medium of rotary type has a flat surface with first succession of pits formed therein as respective concavities in response to a first signal and with second succession of pits formed therein as respective concavities in response to a second signal. The second succession of pits are formed at positions substantially intermediate between the centerlines of adjacent tracks formed by the first succession of pits. Each pit of the first succession of pits and each pit of the second succession of pits respectively have widths W1 and W2 and depths D1 and D2, wherein the relationships between the widths and said depths are so selected that the levels L1 and L2 of the first and second signals which are reproduced when the first and second succession of pits are traced and thereby reproduced by reproducing means will be such that the level L1 is greater than the level L2, and the difference between the levels L1 and L2 will be greater than a specific level difference.

Abstract: There is provided a calculator for calculating check digits which are obtained from code numbers according to a modulus 10, modulus 11 or the like check. In accordance with one embodiment of the invention, the desired check digit original numerals are indicated in response to the determination of a code number and weights and the desired check digit is readily obtained from the sum of the check digit original numerals. In accordance with another embodiment, the desired check digit is directly indicated in response to the setting of a code number. In accordance with still another improved embodiment, the desired check digit according to the modulus 10 and that according to the modulus 11 are selectively indicated in response to the setting of a code number.

Abstract: A record disc playing apparatus comprises an address signal generating unit for generating address signals corresponding to horizontal rotational angular positions of a tone arm, a device for generating a rotational angular velocity signal corresponding to the rotational angular velocity of the tone arm, a circuit for controlling the rotation of a motor for driving a turntable, a control device supplied with the address signals and having a memory device from which is from which read out information corresponding to the addresses indicated by the address signals, and an attenuation circuit supplied with the rotational angular velocity signal and operating with an attenuation quantity, with respect to the rotational angular velocity signal, which quantity is varied by a signal from the control device. The rotational angular velocity signal corresponds to the quantity of any eccentricity of the record disc. The control device producing as output signals based on the information thus read out.

Abstract: The invention relates to a structural member made from a metallic material aving an upper surface exposed to dangers of electric charge accumulations during operation in an apparatus such as a high vacuum apparatus operating with a charge carrying beam wherein the upper surface is formed with a conductive or semiconductive compound of the metallic material which is also present in the body of the structural member and is in electrical contact with the body of the structural member, thereby preventing undesirable charge accumulation on the surface.

Abstract: A tampon (10) designed to eliminate the hazards of toxic shock syndrome or dysmenorrhea by incorporating an antibacterial agent (or agent effective against other microorganisms) into the tampon (10). The antibacterial agent suspended in an adhesive is coated onto a cylindrical insert of absorptive material (12), a tubular applicator container (22), and a plunger (26). On contact with body fluids the antibacterial agent disperses, preventing development of the organisms which produce the toxins which cause toxic shock syndrome.

Abstract: A high-frequency circuit device comprises a metal shield casing comprising side walls having projection parts projected innerwards and a plate-like member accommodated within the casing in contact with and fixed to the projection parts by dip-soldering. The plate-like member is either a printed circuit board having circuit elements mounted thereon or a shield plate segment for defining and shielding spaces above the printed circuit board.

Abstract: An improvement to the plate-type heat exchangers/vaporators constituted in per se known manner by a stack of a plurality of rectangular plates each having four orifices in the vicinity of the apices of the rectangle and thus constituting juxtaposed parallelelpipedic racks, alternately traversed in countercurrent by the hot fluid and the cold fluid, said cold racks having at their apex located in the vicinity of the cold fluid intake a strip having flow holes defining a cold fluid supply chamber and an evaporation chamber where the cold fluid evaporates by flowing as thin trickles in contact with the hot wall, the four orifices of each plate serving respectively for the admission and discharge of the cold and hot fluids, wherein the cold fluid intake is provided with a fitting or lining of a thermally insulating material which serves to create, by reducing the intake diameter, a supplementary pressure drop for said cold fluid and brings about a greater thermal gradient between said cold fluid and the hot plate