1
Richard Johnstone: Computer software security system. Kearney & Trecker Corporation, Cyril M Hajewski, October 10, 1978: US04120030 (235 worldwide citation)

The data address portions of a set of computer instructions are scrambled in accordance with a predetermined cipher key before the instructions are loaded into the instruction memory. The instructions with the scrambled data address portions are then loaded into the instruction memory at addresses c ...


2
Richard Johnstone, Jody E Kurtzhaltz: Flexible manufacturing system. Kearney & Trecker Corporation, Quarles & Brady, September 18, 1984: US04472783 (103 worldwide citation)

An improved flexible manufacturing system comprises a plurality of computer numerically controlled machine tools, each controlled by a machine control system which is supplied with a plurality of sets of machine NC part programs and a program map from a supervisory control computer system. Each of t ...


3
Richard Johnstone, Edward E Kirkham: Voice actuated machine control. Kearney & Trecker Corporation, Quarles & Brady, July 24, 1984: US04462080 (76 worldwide citation)

A voice actuated control system suitable for use on a computer numerically controlled (CNC) machine tool includes a pair of radio frequency transmitters and a pair of radio frequency receivers, one of the radio frequency receivers and one of the radio frequency transmitters being located at the mach ...


4
Richard Johnstone: Unmanned diagnostic communications system for computer controlled machine tools. Kearney & Trecker Corporation, Quarles & Brady, June 28, 1983: US04390953 (53 worldwide citation)

An unmanned diagnostic communications system for analyzing the operation of a remotely situated computer controlled machine tool and for diagnosing any abnormalities disclosed during machine tool operation includes an auto dialer and MODEM coupled between the computer controlled machine tool and one ...


5
Richard Johnstone, Edward E Kirkham: Adaptive control system for machine tool or the like. Kearney & Trecker Corporation, Quarles & Brady, July 9, 1985: US04527661 (37 worldwide citation)

An adaptive control system for a machine tool or the like includes a temperature sensor for measuring spindle bearing temperature and two pairs of thrust sensors for measuring radial and axial spindle deflection. Data processing apparatus, typically comprised of a microcomputer, is coupled to the te ...


6
Richard Johnstone: Unmanned machining center with tool checking. Kearney & Trecker Corporation, Cyril M Hajewski, January 29, 1980: US04185376 (25 worldwide citation)

A numerically controlled machining center has a tool magazine, automatic tool changer, workpiece shuttle, and a workpiece magazine which holds enough workpieces for operation by the machining center for an entire shift of approximately eight hours. The numerical controls are programmed to perform pr ...


7
Russell B Clegg, Richard Johnstone: Machine tool with common drive for worktable and pallet shuttle. Kearney & Trecker Corporation, Cyril M Hajewski, Donald J Piggott, October 30, 1979: US04172512 (23 worldwide citation)

The worktable and pallet shuttle of a machine tool are driven by a common motor which is mounted on the worktable base. The motor is coupled to the worktable by gears which engage when the worktable is raised to be indexed and disengage when the worktable is lowered. The motor is coupled to the pall ...


8
Richard Johnstone, Lyle D Ostby: Method and apparatus for remote display of analog signals occurring in computer controlled machine tools. Kearney & Trecker Corporation, Cyril M Hajewski, August 22, 1978: US04109309 (21 worldwide citation)

An analog signal which occurs in a computer controlled machine tool is converted to digital form at the machine tool site and is stored in a memory portion of the machine tool computer. The digitized analog signal is subsequently read out of the memory and is transmitted to a remote diagnostic unit ...


9
Richard E Stobbe, Richard Johnstone: Spindle probe with orbital transformer. Kearney & Trecker Corporation, Cyril M Hajewski, Donald J Piggott, March 27, 1979: US04145816 (18 worldwide citation)

A probe is mounted on the nose of a toolholder which fits into the spindle of a numerically controlled machine tool. An oscillator is mounted within the toolholder and is powered by a battery within the toolholder. The output of the oscillator is coupled to a primary coil on the toolholder which is ...


10
Richard Johnstone, Edward E Kirkham, Han C Chung, Lyle D Ostby: Automatic dynamic error compensator. Kearney & Trecker Corporation, Quarles & Brady, December 9, 1986: US04628441 (17 worldwide citation)

An automatic dynamic error compensator for compensating the position error arising within a servo drive system includes a measuring head which is operative to measure the relative indicated position of two or more measuring vanes on the movable member. The measuring head, together with a feedback tr ...