A maser oscillator comprises two cells, connected to each other through a duct, which are filled with atomic hydrogen and respectively subjected to crossed magnetic fields. One of the cells is lined internally with a film of a substance preventing atom misalignment and is located inside an UHF cavity.

A printing assembly including a support means supporting a rack and adapted to be attached to a drafting straight edge. The rack extends through a head assembly and is engaged by a pinion gear for moving the head assembly along the rack. The head assembly is connected through links to a carriage which supports two longitudinally extending rows of type characters. The head means is moved between a raised position and a lowered position and includes a hammer pin for engaging one of the type charac...

Typing apparatus for drawings or the like including a circular platen upon which the drawing may be mounted and which is, itself, mounted for translational motion in two mutually-perpendicular directions and about its own central axis, together with typing means mounted adjacent the platen including a typing element mounted to move perpendicularly relative to the platen to effect typing of selected characters on a mounted drawing.

New method for Image reproduction and recording is based on mechanical-guiding-apparatus-free operating methods, with flexible operations (hand, robot, vehicle), with the means for positioning, processing and controlling, and having exclusive plurality of uses. The system for image reproduction and recording based on this method includes these common apparatuses: head carrier, sprayer/reader or sprayer/reader array, and computer. Additional apparatuses used in wave-based positioning methods or r...

The invention is directed to an apparatus for applying at least one graphic to at least one surface, comprising a portable scaffolding system that may be telescoped to accommodate a length and a width of the surface; a host device for receiving at least one head attachment; and a computing device for incrementally moving the host device along the width and the length of the surface and for controlling a distance between the host device and the surface. The invention is also directed to a compute...

A dual-mode printer for printing on both flexible and rigid substrates includes a table providing a substantially planar support surface for supporting a substrate. A flexible-substrate feed system is configured to feed a flexible substrate in a given feed direction across the support surface. The printer has a print head configured for depositing a printing medium on a substrate as part of a printing process. A motion system is configured to generate relative displacement between the print head...

A composite printing device comprises a portable printer and a tape printer case removably engageable with the portable printer from below. The portable printer includes a bottom printing head, a pair of drive wheels and a pair of idle wheels. The tape printer case accommodates a tape roll for supplying a tape, a platen for guiding the tape, and a feed roller for feeding the tape from the tape roll. When the tape printer case is engaged with the portable printer, the printing head faces the tape...

A printer is disclosed for cutting-out a printed image on an item being processed while traveling in a first direction. The printer comprises a cutting head coupled for movement in a second direction, an ink head detachably coupled to the cutting head for movement in the second direction, and a fixed base for supporting the surface, wherein the first direction is perpendicular to the second direction.

A main typographic keyboard having character keys and operation keys is employed in connection with an auxiliary keyboard having "shift" keys to provide an encoded output representing regular text as well as displayed mathematical expressions for computer-assisted photocomposition. The main keyboard permits multiline mathematical expressions to be typed in a predetermined serial order using character keys in conjunction with a special subset of operation keys for designating mathematical formats...

The elements of a printing mechanism, including a platen, print head and drive motors, are constructed and arranged to provide a clearance permitting an envelope to remain entirely in a flat condition in a plane tangent to the platen at the location of the printing line while the envelope is being printed by the print head. The housing of the printing mechanism is constructed with specially configured slots. First and second opposite end walls of the housing, and a third wall, extending from one...