11
Barton Bruce C, Kadlecik John: Serial print wheel impact printer. Burroughs Corporation, CHUNG Edmund M, January 31, 1985: WO/1985/000320

Improved serial impact printer which both prints and serrates a document. The printer includes a print wheel (10) which is rotated to position a selected character in front of an anvil (12). The print wheel (10) includes a wheel-like circular member (28) having print characters (38) at the end of fi ...


12
Berti Eugenio: Disk drive positioning system providing passive head crash protection. Memorex Corporation, CHUNG Edmund M, January 31, 1985: WO/1985/000458

Damaging head crashes are prevented in a disk drive system by providing a specially chosen RC network between the head position control servo (12) and the head actuator (10). The values of the RC network are chosen in conjunction with the servo output voltage so that, without detracting from head ac ...


13
Rose Andrew M: Method and apparatus to improve the positioning accuracy of a tracking arm. Memorex Corporation, CHUNG Edmund M, January 31, 1985: WO/1985/000459

An apparatus for improving the positioning accuracy of a tracking arm in a disc system and eliminating run-out. The apparatus has acceleration apparatus (20) for moving the arm, braking apparatus (84) to brake the movement of the arm, apparatus for detecting run-out (96), and responsive apparatus (8 ...


14
Phelps Andrew E: Content addressable memory cell. Burroughs Corporation, CHUNG Edmund M, January 31, 1985: WO/1985/000461

A new and improved content addressable memory cell (m), which cell (m) stores data supplied on a load data input terminal (50-m) thereof. The disclosed memory cell (m) is adapted for comparing data supplied on a compare data input terminal (10-m) thereof with data stored in the cell (m), and for sup ...


15
Morris Frank I: Motor with "split" back-magnet array. Memorex Corporation, CHUNG Edmund M, January 31, 1985: WO/1985/000474

A disc drive arrangement including read/write head actuator driven by an improved voice coil motor (35), having ceramic back-magnets (3-M') that are subdivided to give improved magnetic characteristics and operation (increased working flux, increased efficiency and effective power acceleration for a ...


16
Morris Frank I: Disc drive actuator with improved vcm housing. Memorex Corporation, CHUNG Edmund M, January 31, 1985: WO/1985/000476

A disc drive arrangement including read/write head actuator driven by an improved voice coil motor (35), having a housing (31), or other flux-return structure, that is fabricated and processed of "magnetic ductile iron" and adapted to exhibit improved magnetic characteristics and operation (increase ...


17
Barrow Michael: Printed circuit board maximizing areas for component utilization. Burroughs Corporation, CHUNG Edmund M, March 14, 1985: WO/1985/001156

A multilayer printed circuit board (10) for TTL logic components provides an approximate 100 ohm characteristics impedance between external microstrip signal lines (11, 16) and internal ground (13) and voltage (14) planes. The addition of two internal microstrip signal plane lines (12, 15) permits a ...


18
Koos Larry W: Memory mapping unit. Burroughs Corporation, CHUNG Edmund M, May 26, 1983: WO/1983/001849

In a system where a plurality of memory boards (12), which can be of different sizes, are connected to a common address buss (14) and data buss (16), it is disclosed that a binary adder (24) adds the 2's complement of the contents of base address register (22) with significant bits obtained from the ...


19
Jack Keith Alan, Hopkins Larry Kent: Peripheral unit adapted to monitor input/output interface. Burroughs Corporation, CHUNG Edmund M, May 26, 1983: WO/1983/001851

Peripheral unit (11) for an information processing network which unit includes a peripheral interface (13) and a peripheral control processor to control communication between one or more peripheral devices and a master controller (10) by way of a systems bus interface. The peripheral interface (13) ...


20
Bellman Robert Herman, Kuchinsky Saul, Ogle James Alexander: Method of making an electrode assembly. Burroughs Corporation, CHUNG Edmund M, June 9, 1983: WO/1983/002035

Making of an electrode assembly which comprises forming partial slots (40) in the bottom surface of a glass plate (10), providing anode electrodes (70) in the slots, applying cathode electrodes (50) on the top surface of the plate (10) oriented transversely to the anodes (70), etching out the remain ...