41
Ely Richard I, Mosier Carl E: Single plane optical membrane switch and keyboard. Burroughs Corporation, CHUNG Edmund M, September 29, 1983: WO/1983/003312

Photo-optical switch apparatus useful for example in keyboard switches includes a photo-polymerized orthogonal matrix of horizontal and vertical intersecting light channels or guides (12, 14), monolithically formed by exposure to ultraviolet light on a flat planar, plastic substrate. Each intersecti ...


42
Capote Miguel A, Labudde Edward V, Chao Shiuh, Lee Neville K: Optical storage system employing a novel multi-layer optical medium. Burroughs Corporation, CHUNG Edmund M, October 27, 1983: WO/1983/003702

An optical data storage system employing a data-modulated writing laser beam (12a) and non-erasing reading laser beam (12b) of predetermined wavelength along with an improved optical medium (15) comprised of multiple layers whose optical characteristics and thicknesses are chosen in conjunction with ...


43
Bischoff Peter G: Metal oxide patterns with planar surface. Burroughs Corporation, CHUNG Edmund M, October 27, 1983: WO/1983/003711

The fabication of metal oxide patterns (42) on a substrate (20) adapted for use with thin film magnetic heads. The metal oxide pattern has a precisely defined geometry including nearly vertical side walls (32), for minimizing read/write errors. In addition, a filler material (22) formed from a non-m ...


44
Hsieh Der Chang, Labudde Edward Verne: Focusing control circuitry for an optical memory system. Burroughs Corporation, CHUNG Edmund M, November 24, 1983: WO/1983/004131

An optical storage system employing a laser beam (12a, b, c) which is directed and focused onto an optical disk for reading and/or writing data in a track of the disk. Proper focusing is maintained using focusing control circuitry (figure 1) which produces a focus error signal that is applied to a f ...


45
Hsieh Der Chang, Labudde Edward Verne: Optical memory system having improved positioning and focusing control circuitry. Burroughs Corporation, CHUNG Edmund M, November 24, 1983: WO/1983/004134

An optical storage system employing a laser beam (12a, b, c,) which is directed and focused onto an optical disk for reading and/or writing data in a track of the disk. Positioning control is achieved by providing for track following and track seeking using a plurality of interactive servo-loops. Pr ...


46
Bell John Leslie: Frequency-encoding circuit for reducing distortion. Burroughs Corporation, CHUNG Edmund M, November 10, 1983: WO/1983/003938

An electronic circuit (50, 60, 70, 80) for producing a signal that includes a low frequency component signal followed by a high frequency component signal such that the composite signal resists transmission line distortion. The circuit comprises a logic circuit (80) for generating the half-cycle of ...


47
Catiller Robert D, Forbes Brian K: Peripheral-controller for i/o subsystem using slow devices. Burroughs Corporation, CHUNG Edmund M, April 14, 1983: WO/1983/001322

A peripheral-controller (180) for use in an I/O subsystem for handling data transfer operations between a host computer (100) and a plurality of peripheral terminals (190). The peripheral controller (180) is made of a universal processor (1), which generates instructions and executes data transfer o ...


48
Elmasry Mohamed I, Peterson Luverne Ray: Double lambda diode memory cell. Burroughs Corporation, CHUNG Edmund M, April 14, 1983: WO/1983/001335

An improved static memory cell comprised of first (51) and second (53) conductive means for carrying respective bias voltages in the cell, a third conductive means (52) for carrying an input/output voltage signal in the cell, and a Lambda diode (30) coupled between the first and third conductive mea ...


49
Osman Fazil I: Error-correcting memory with low storage overhead and fast correction mechanism. Burroughs Corporation, CHUNG Edmund M, April 28, 1983: WO/1983/001523

In the disclosed error-correcting memory, data bits are stored in a plurality of memory arrays (A¿1?...A¿x+1?). Each of said arrays have their memory cells arranged in rows (R¿1?...R¿m?) and columns, (C¿1?...C¿n+1?) and a word of said data bits is read by simultaneously selecting one cell at any one ...


50
Hazel Robert L, Labudde Edward Verne: Optical memory system providing improved fucusing control. Burroughs Corporation, CHUNG Edmund M, April 28, 1983: WO/1983/001529

A laser optical system (12) including a reading beam for reading optical data recorded in one or more tracks of a rotating disk optical recording medium (15). The disk (15) includes a plurality of preformatted headers (51) spaced along the track (17) wherein each header (51) includes a plurality of ...