Lyle R Strathman

42008662, Apr 29, 1980

Mar 13, 1978

5/885843

Lyle R. Strathman - Cedar Rapids IA

Rockwell International Corporation - El Segundo CA

G06K 1520

340703

A stroke writing generator develops selectively incremented and/or decremented horizontal and vertical deflection signals which simultaneously deflect all color associated beams of a conventional shadow-mask multi-color cathode ray tube to cause the beams to trace out a selected symbology on the tube screen. A video color code generator, operating in clock-defined synchronism with the stroke writing generator, selectively effects turn-on permutations of plural video amplifiers driving associated electron beams in the cathode ray tube to facilitate preprogrammed color tinting of the displayed symbology.

48535923, Aug 1, 1989

Mar 10, 1988

7/166144

Lyle R. Strathman - Cedar Rapids IA

Rockwell International Corporation - El Segundo CA

H01J 154
G09G 326

313495

A flat panel matrix display pixel structure emulates raster scan cathode ray tube shadow mask resolution. A display generator connected to anti-aliasing and/or dot flair circuitry activates the display. A selected pixel is fully activated and surrouding pixels are activated at a lower luminance level. As a function of the pitch of a shadow mask cathode ray tube the pixel density and the horizontal and vertical pixel spacing are derived for a monochrome matrix display, and the pixel density and the horizontal and vertical triad spacing are derived for a color matrix display panel.

44279264, Jan 24, 1984

May 18, 1981

6/264753

Lyle R. Strathman - Cedar Rapids IA

Rockwell International Corporation - El Segundo CA

H01J 2970
H01J 2976

315368

Attainment of exacting dynamic convergence or beam registration is realized in a multi-gun, multi-colored cathode ray tube display system which maintains beam superposition across the display area of the cathode ray tube regardless of scanning direction or scanning rate. The system is particularly effective in maintaining exacting convergence in random scanned displays wherein scanning direction and scanning rates vary considerably. Inherent lag differences in convergence force fields as compared to deflection force fields is compensated and corrected by the summation of each of the horizontal and vertical scan signals with a signal representing the sign and magnitude of the rate of change thereof and with this summation being applied to convergence signal development circuitry rather than the scan signal per se being applied as in conventional known convergence systems.

51737914, Dec 22, 1992

Aug 23, 1991

7/749233

Lyle R. Strathman - Cedar Rapids IA
Gary D. Bishop - Marion IA

Rockwell International Corporation - Seal Beach CA

G02F 11343

359 57

An active matrix thin film transistor liquid crystal display having two thin film transistors for use in driving each of the liquid crystal pixels making up the matrix of the display. The first thin film transistor associated with each pixel is used in driving the pixel to capture data off of data lines in response to gate drive signals. The second thin film transistor associated with each pixel is used in compensating for the parasitic capacitances associated with the first thin film transistor and is driven by special compensating pulses.

40017168, Jan 4, 1977

Feb 17, 1976

5/658421

Ronald L. Swanson - Cedar Rapids IA
Lyle R. Strathman - Cedar Rapids IA

Rockwell International Corporation - El Segundo CA

H03K 302

331 48

A digital oscillator with output frequency accurately changeable from one period to the next. A plurality of retriggerable monostable multivibrators having discretely different design pulse widths are OR'd to an output monostable multivibrator having the narrowest design pulse width. The plurality of monostable multivibrators are triggered in common by the OR'd outputs thereof such that the longest pulse width one thereof defines the period of the output monostable multivibrator. Logic enabling means permit selection of multivibrator outputs to be OR'd.

40230279, May 10, 1977

Nov 10, 1975

5/630389

Lyle R. Strathman - Cedar Rapids IA
Robert A. Bolin - Marion IA
Vincent B. Collins - Cedar Rapids IA
Ronald L. Swanson - Cedar Rapids IA

Rockwell International Corporation - El Segundo CA

G06F 314

235152

A system for generating respective X and Y beam deflection command signals as respective running binary counts in X and Y deflection counters utilizing digital computations based on the straight line expressions Y=X tan. alpha. , where. alpha. is the line slope. Relative clock rates are defined by the tan. alpha. relationship therebetween, and, by defining a line as lying in one of eight 45. degree. octants, and a circle as successive points of tangency of a plurality of lines tangent to the circle comprising circumferential segments in eight contiguous ones of the octants, the system effects generation of respective X and Y counts to trace a line of selected length and slope as well as a circle of selected radius utilizing but a single table of tangents for angles between 0. degree. and 45. degree. as the required data storage.

48885991, Dec 19, 1989

Oct 22, 1987

7/113034

Craig E. Harwood - Cedar Rapids IA
Lyle R. Strathman - Cedar Rapids IA

Rockwell International Corp. - Cedar Rapids IA

G09G 300

340812

Method and apparatus for manipulating the gray scale voltage levels in liquid crystal displays, in order to provide for enhanced image quality, over temperature extremes by monitoring the actual transmittance through the liquid crystal over time and comparing the information with earlier information.

44969767, Jan 29, 1985

Dec 27, 1982

6/453013

Ronald L. Swanson - Cedar Rapids IA
Lyle R. Strathman - Cedar Rapids IA

Rockwell International Corporation - El Segundo CA

H04N 704
H04N 522

358147

A system and technique is disclosed which enables a reduction in memory for the display of superimposed data (alpha-numerics, symbols and graphics) in an all-raster scanned display. A video signal containing information to be displayed on a video monitor by raster scanning techniques is multiplexed with the output of a storage device containing information representing data for controlling the intensity of specific points on the monitor during the raster scan. The intensity is controlled by the signals from memory to produce data on the video monitor as an overlay to the normal video display produced by the video signal. In one embodiment, the storage device is formed by two separate memory areas having a size substantially less than the total number of lines forming one raster field of the video display. The first memory area is multiplexed with the video signal while the second memory area is being filled and the second memory area is multiplexed with the video signal while the first memory area is being filled. This process is repeated a predetermined number of times for each field scan of the video display.