1
Zilan Shen, Dennis Lee Matthies, James H Atherton, Roger Green Stewart: Method and apparatus for calibrating display devices and automatically compensating for loss in their efficiency over time. Sarnoff Corporation, William J Burke, July 2, 2002: US06414661 (312 worldwide citation)

A method and associated system that compensates for long-term variations in the light-emitting efficiency of individual organic light emitting diodes (OLEDs) in an OLED display device, calculates and predicts the decay in light output efficiency of each pixel based on the accumulated drive current a ...


2
James H Atherton: LCD with hige capacitance pixel having an ITO active region/poly SI pixel region electrical connection and having poly SI selection line extensions along pixel edges. David Sarnoff Research Center, W J Burke, January 9, 1996: US05483366 (46 worldwide citation)

A liquid crystal display includes a base plate having a plurality of pixels on a surface thereof with the pixels arranged in an array of spaced rows and columns. Each of the pixels includes a substantially rectangular region of polycrystalline silicon. A separate select line of polycrystalline silic ...


3
James H Atherton: Detector for capacitive sensing devices. Honeywell, Charles L Rubow, March 1, 1988: US04728932 (36 worldwide citation)

A method and circuit are disclosed for detecting the state of a variable capacitor by comparator means whose threshold voltage is impressed on first plates of the variable capacitor and a reference capacitor having a capacitance between the minimum and maximum capacitances of the variable capacitor, ...


4
Joseph W Harmon, James H Atherton: Low power voltage multiplier circuit. RCA Corporation, Samuel Cohen, Henry I Schanzer, August 10, 1982: US04344003 (26 worldwide citation)

A voltage multiplier includes an inverter connected at its output to one plate of a capacitor for applying a first or a second voltage thereto, a first transistor switch which, when on, applies a second voltage to the second plate of the capacitor, and a second transistor switch which, when on, coup ...


5
James H Atherton, Silvo Stanojevic: Hall effect circuit with temperature compensation. Honeywell, Charles L Rubow, June 4, 1985: US04521727 (18 worldwide citation)

A temperature compensation method and circuit for a Hall element or other element with similar characteristics comprising a pair of current carrying branches, one of which includes a resistor. A pair of transistors in the branches are controlled in unison to control the sum of the currents in the br ...


6
Clifford P Jindra, James H Atherton: Small signal memory system with reference signal. RCA Corporation, Samuel Cohen, Henry I Schanzer, May 26, 1981: US04270190 (18 worldwide citation)

A memory array of cells produces output signals having either one of a high value (i.e. V.sub.H) or a low value (i.e. V.sub.L). The difference between V.sub.H and V.sub.L is significantly less than the operating voltage (e.g. V.sub.DD) applied across the memory cells and V.sub.H and V.sub.L are offs ...


7
James H Atherton: Simultaneous sampling of demultiplexed data and driving of an LCD pixel array with ping-pong effect. David Sarnoff Research Center, William J Burke, May 27, 1997: US05633653 (15 worldwide citation)

A data driver circuit for an LCD including a switching circuit for transferring a data signal from a data channel to a first data line and a second data line. Also included is a sample circuit which alternately samples the data signal from the first data line and the second data line to produce and ...


8
James H Atherton: Input buffer circuit. RCA Corporation, Joseph S Tripoli, Henry I Schanzer, September 27, 1983: US04406957 (13 worldwide citation)

A first insulated-gate field-effect transistor (IGFET) having its conduction path connected between a first power terminal and an output terminal and a second IGFET of complementary conductivity to said first IGFET connected between the output terminal and a second power terminal. A selectively enab ...


9
James H Atherton, Silvo Stanojevic: Integrated circuit voltage regulator with transient protection. Honeywell, Charles L Rubow, November 28, 1989: US04884161 (12 worldwide citation)

A monolithic integrated circuit voltage regulator is disclosed in which a bipolar series pass transistor has both its collector and base electrodes protected from excessive positive and negative supply transients. Protection from positive voltage transients is provided by a reverse biased diode. Pro ...


10
James H Atherton, William C Dreisbach: Level shift circuit. RCA Corporation, Samuel Cohen, Henry I Schanzer, March 23, 1982: US04321491 (9 worldwide citation)

An inverting stage transfers binary signals from an input signal source to a latch circuit when the inverting stage and the latch are operated at similar voltages. Following data transfer, the operating voltage across the latch is increased. The inverting stage includes a diode which enables the tra ...