1
Bliss Burtt E, Dervan III James T, Griffith Leroy E, Pung Bruce D, Thorpe Robert A, Vogel Norman A: Multiplexed intelligence communications. International Business Machines Corporation, Lieber Robert, March 19, 1974: US3798610 (150 worldwide citation)

Time multiplexed signal communications between a host computer and subordinate data processing terminals include coded and non-coded information. Coded information originated by the host includes entry-separation marker signals. Individual marker signals are used at terminals to control access to as ...


2
Frosch Albert, Korth Hans Erdmann: Method of increasing the depth of focus and or the resolution of light microscopes by illuminating and imaging through a diaphragm with pinhole apertures. International Business Machines Corporation, Lieber Robert, December 16, 1975: US3926500 (39 worldwide citation)

In order to increase the depth of focus of a high resolution microscope objective a diaphragm having small openings 25, 26 is rotatably mounted in plane 13 which is conjugate to object plane 12. Object 11 is illuminated (scanned) through semi-transparent mirror 19 and said diaphragm in such a way th ...


3
Fleisher Harold, Harris Thomas J, Shapiro Eugene: Optical information storage and retrieval system with optical storage medium. International Business Machines Corporation, Lieber Robert, October 14, 1975: US3912391 (30 worldwide citation)

Storage of information is performed by interference effects in depth in an optically accessible information storage unit. The storage unit is divisible into a plurality of individual information storage areas permitting the recording of the information in the form of various light and no light condi ...


4
Cormier Roger L: Suspension and restart of input/output operations. International Business Machines Corporation, Lieber Robert, August 5, 1975: US3898623 (25 worldwide citation)

An input/output subsystem in which a peripheral device controller controls the device in response to commands received from an input/output (I/O) channel which is connected to a processor. A channel address word (CAW) and a sequence of channel command words (CCW's) are fetched from a main memory and ...


5
Logue Joseph C: Accurate and stable encoding with low cost circuit elements. International Business Machines Corporation, Lieber Robert, October 21, 1975: US3914760 (19 worldwide citation)

This accurate and stable analog to digital conversion system and circuits useful therewith is based upon selective counting of high frequency electrical signal oscillations generated by a phase locked frequency multiplication network. The network contains only low cost components. Accuracy and stabi ...


6
Depuy Arthur H, Johnson Leonard F, Scheinberg Stanley: Manufacture of assorted types of lsi devices on same wafer. International Business Machines Corporation, Lieber Robert, October 22, 1974: US3842491 (19 worldwide citation)

Multiple LSI (Large Scale Integrated) semiconductor devices (chips) of assorted types (different design and function, representing different assembly parts or devices) are fabricated in aggregate on one integral wafer crystal. A multitype composite mask or procedural equivalent is used. In specific ...


7
Rich David W, Smith Matthew C, Zipay Michael: Dual resist usage in construction of apertured multilayer printed circuit articles. International Business Machines Corporation, Lieber Robert, September 9, 1975: US3904492 (10 worldwide citation)

Novel dual resist masking techniques are introduced for protecting surfaces of a multilayer pre-perforated foil clad object during etching and plating processes. The primary mask attached directly to object surfaces is a thin high resolution film specifically adapted not to clog the perforations. It ...


8
Barbeau Raymond A, McGinnis Bernard W, Orlando Anthony W, Weidenhammer James A: Partitionable disc memory with flexible discs and conformally suspended head. International Business Machines Corporation, Lieber Robert, September 24, 1974: US3838462 (9 worldwide citation)

Normally confined record surfaces of ultra-thin continuously rotating flexible magnetic record discs (nominal thickness 0.0017 inches), arranged in a laminar configuration of several hundred aggregately deformable discs, are accessed by aerodynamically stabilized flexure. The rotational path is part ...


9
Kleen Bergert G, Lamoureux William R: Solid state gas panel display circuits with non-inductive solid state isolation between low level logic and high level drive signal functions. International Business Machines Corporation, Lieber Robert, May 14, 1974: US3811124 (9 worldwide citation)

Isolation circuits for low level to high level coupling are co-packaged with selection logic circuits and multiple high voltage switching line driver circuits of a gas discharge display panel. The package is an all solid-state cost-reduced configuration subject to enhanced flexibility of operation. ...


10
McGinnis Bernard W, Orlando Anthony W: Selectively tensioned transducer assembly for operation in compliant relation to individual memory discs of a partitionable aggregate of rotating flexible discs. International Business Machines Corporation, Lieber Robert, May 7, 1974: US3810243 (7 worldwide citation)

A resiliently suspended magnetic transducer (head) with distinctive convex contours is positioned to form a hydrodynamic bearing relative to the surfaces of randomly selected object discs in a continuously rotating laminar assembly of several hundred flexible discs. The normally contiguous discs are ...