Ein Problem für sehschwache Menschen ist, dass man bei Anwendung von einer Fernglasbrille sowohl aussehen- wie orientierungsmässig gehemmt ist. Diesem kann abgeholfen werden mittels der L %/+ E - Methode, bestehend aus Plus- und Minusglas in Brillenglas bzw. Kontaktlinse. Die Stärke muss numerisch diegleiche sein, jedoch mit entgegengesetzten Vorzeichen. Die Methode wirkt wie ein Fernglas, jedoch ...

A transistor (fig. 1(i)) having a refractory metal gate (3) on a semi-insulating compound semiconductor substrate (1), asymmetrical side walls (5',7') each side of the gate (3), a low concentration active channel (2) below the gate (3), source and drain high concentration active regions (8a,8b) each side of the channel (2), and asymmetric intermediate concentration active regions (4a',4b') between...

PCT No. PCT/FI89/00011 Sec. 371 Date Sep. 11, 1990 Sec. 102(e) Date Sep. 11, 1990 PCT Filed Jan. 23, 1989 PCT Pub. No. WO89/07731 PCT Pub. Date Aug. 24, 1989.The invention relates to an apparatus for the formation of an insulating material ply, e.g. in the manufacture of insulating chutes. The object is to provide a continuous insulating material ply (17) of a predetermined thickness. A primary pl...

A method of manufacturing a conductive or superconductive film comprises the steps of providing a powdered composition of complex oxide conductive or superconductive material represented for example by the general formula: (La1-xMx)yCuO4- delta , where M is an alkaline earth metals or mixture of alkaline earth metals; 0

A drug-packing polyolefinic material containing at most 150 ppm of C12-C26 substances and being extremely reduced in the risk of adversely affecting the drugs packed therein.

PURPOSE:To relieve the residual stress in the joint part of the titled joined body interposed with a cast iron contg. Ni at a specific ratio between a metal and ceramics and to improve the joint strength thereof by specifying the thickness of the cast iron used in said body. CONSTITUTION:A copper plate having about 2mm thickness is placed as a joining material 3 to the joint surface of the ceramic...

Multiple concurrent sample processing in a single spectrometer is accomplished for the respective situation of (a) samples of strongly dissimilar character and (b) samples of similar character. For the class (a) samples yielding non-superimposed line spectra are axially separated by susceptability matched delimiters in a sample tube and analyzed in a conventional spectrometer. For the class (b), r...

An ink jet recording head comprising energy generating elements for applying the heat energy to the ink, heat acting portions for forming bubbles in the ink with said energy generating elements, a heat storing layer having insulating property for storing the heat energy disposed adjacent to said energy generating elements, and a support substrate for supporting said heat storing layer, characteriz...

A drive system for a battery-powered vehicle is selectively operable in either a drive mode or an alternative battery-charging mode. In the drive mode, vector control circuitry is used to control instantaneous stator currents in an AC induction motor. The motor is preferably constructed having a pair of separately excitable three-phase windings spatially displaced by thirty electrical degrees. In ...

Hinter einem Bodenbearbeitungs- oder Mähgerät angeordnete höhenverstellbare Stützwalze (6) zur Einstellung der Arbeitshöhenlage der Arbeitswerkzeuge (4) des Gerätes relativ zur Bodenoberfläche (13) mit einer am Walzenmantel (17) anliegenden Abstreifereinrichtung (19), die mittels Halterungen (23) an Tragelementen (8) der Walze (6) angeordnet ist. Um mit einfachen Mitteln bei allen Höheneinstellung...

PURPOSE:To automatically count the number of articles on the basis of unit weight automatically entered in an electronic balance for improved operativity only by taking predetermined articles out of a storage section of a moving shelf automatically called to an article taking-out position and placing the same on the electronic balance. CONSTITUTION:On delivering, an article number and the number o...

A fast acting automatic gain control system comprising a single or serial multistage arrangement. In one multistage embodiment (Fig 1) each stage (13) has a first state with a predetermined gain and a second state with unity gain. The output of each stage determines what state is finally adopted although initially when a signal is input it is in the first state due to the action of a sequence cont...

A method of treating the edges of a fiber web is provided wherein a pressing device device conveys and presses a fiber web through a pressing gap of a pressing station of the device. The station includes a pressing roll and a counter roll. The pressing roll has a roll shell. A pressing shoe is disposed within the roll shell and pressing units are disposed substantially along a width of the pressin...

The instantaneous current intensity in the motor is detected and stored in a sample memory (5) at a specific time during each drive pulse. Successive, stored instantaneous values are compared by means of a comparator circuit (15, 16) and, depending on the result of the comparison, a logic device (17) produces an output signal which indicates normal motor operation or loss of synchronism. In this w...

The disclosed signal strength adapter circuit comprises a signal adapter (20) having a signal input (21) for receiving a signal whose strength is to be adapted, a digital set input (22) for receiving a strength value and a signal output (23) for producing an adapted signal whose strength corresponds to the strength value on the set input (23). At successive discrete instants a generator (24) gener...

Es wird ein Verfahren und eine Vorrichtung zur Förderung und Ablage von Scharen endloser Fäden, die mittels Gasstrom gefördert und im wesentlichen parallelliegend in einen Kanal mit entsprechendem Querschnitt eingeführt werden, vorgeschlagen, wobei der die Fäden begleitende Gasstrom beim Eintritt in den oberen Teil des Kanals auf hohe Geschwindigkeit beschleunigt und anschließend verlangsamt wird ...

An apparatus for generating a product gas from a finely disperse carbon carrier, in particular fine-grained to dusty coal, by means of pressure gasification has a vertical reactor with the gasification part and a radiant cooling boiler, which reactor carries an upward flow, a vertical convective cooling apparatus with downward flow, and a cooled convecting line between the top of the reactor and t...

A melt processable pseudointerpenetrating network of silicones in thermoplastic matrices and a method of producing same is provided by vulcanizing the silicones within the matrices. In a preferred embodiment a two part silicone comprising silicon hydride groups and silicon vinyl-containing groups are reacted in the presence of a platinum complex. Depending on certain parameters chain-extended (the...

An improved pneumatic control for a zero pressure accumulating conveyor includes, in a discharge zone control, a first control valve and a master control valve cooperating to produce an accumulating function for one position of the master control valve, and a continuous discharge zone operation for a second position of the master control valve while all loaded upstream zones operate sequentially u...

A programmable parts reorienter and feeder utilizing a fiber-optic array in a sensing head to determine an initial orientation of a part passing through a parts handling unit. The sensing head is coupled to a microprocessor that has been programmed to recognize properly oriented as well as misoriented parts. After determining the initial orientation of the part the microprocessor will direct a reo...