Abstract: A machine and a control system are provided for generating high registration photomasks with a contact printing arrangement. Further, a unique control arrangement is provided for controlling a machine such as a high registration contact print machine or other type of machine. In a preferred embodiment, a control system generates signals to a step and repeat contact printing machine that exposes many prints of master die images on a photographic film, where these prints have a high registration characteristic. In a further embodiment a unique control arrangement is provided for machine control operations.

Abstract: The present invention is directed to an analog memory for storing digital information in analog signal form. Typically, digital information is stored in digital signal form, where each digital bit is stored in a separate digital memory cell. In accordance with the present invention, an analog memory such as a charge transfer device (CTD), bubble memory, or magnetostrictive memory is used to store analog signals. Each analog signal is representative of a plurality of digital bits, thereby providing storage for a plurality of digital bits in each analog memory cell. Use of such an analog memory in combination with a digital system facilitates a hybrid memory, where digital information is stored in analog signal form.

Abstract: Control of illumination with illumination amplifier devices provides a basis for implementing various types of illumination systems. Also illumination amplifiers in closed illumination servo loops provide improved illumination control. An illumination control system provides precise control of camera operations for photographic and photoplotter applications. Illumination amplifier devices are used in conjunction with electronic control circuits to provide flexibility and precision in camera systems, reducing reliance on prior art mechanical devices.Illumination control circuits are presented in the form of digital gates and flip-flops and in the form of analog computational elements to provide illumination computer systems. In addition, a batch fabricated illumination computer arrangement is presented for improved implementation of illumination control systems.Illumination amplifiers are further configured for control of illumination in buildings and automobiles.

Abstract: An electro-optical printer is implemented with an electro-optical character generator in combination with an illumination sensitive medium such as photographic paper. This printer arrangement provides advantages such as being compatible with liquid crystal display devices used on conventional calculators and provides hard-copy printouts with a non-impact printer arrangement.

Abstract: A machine control system employs a general purpose digital computer to directly interact with a machine, providing increased versatility and capability with reduced system cost. Machine control operations are performed under program control by the computer in real time and communicated to the machine through a minimal interface. Machine conditions are sampled under program control by the computer in real time through a minimal interface to the computer. Special system partitioning reduces interconnections and cabling to provide an improved machine interface.

Abstract: An integrated circuit data processor arrangement is provided having a data processor architecture that can be implemented entirely of integrated circuits. The combination of an integrated circuit read only memory and an integrated circuit alterable memory and the ability to process operands stored in the alterable memory under control of instructions stored in the read only memory facilitates a fully integrated circuit data processor. Other data processor features that facilitate the fully integrated circuit architecture include integrated circuit paging logic and a storing arrangement for storing information in the main memory. Systems applications of the integrated circuit computer includes control of machines, control of photo-optical devices, and interaction with an operator.

Abstract: The present invention is directed to a read only memory, wherein the preferred embodiment provides an analog read only memory using charge coupled devices. Fixed but selectable charge packets are used to charge elements in a charge coupled device array; where selectable charging may be provided by selecting resistor values, selecting capacitor values, selectable masking of photo detectors, and other such methods. The accumulated fixed packets of charge are then shifted with a charge coupled device register to provide sequential analog signal outputs. Use of an analog read only memory permits hybrid signal processing such as for voice response. Use of a serial output simplifies the accessing and reduces accessing electronics by eliminating the more complex random access arrangements.

Abstract: Multi-dimensional coordinate translation, rotation, and scaling for a machine control system provides translation, rotation, and scaling of coordinates such as for alignment, inch and metric, scaling, and expanded and contracted dimensions. A method of reducing accumulated errors uses absolute coordinate dimensions. Axis alignment provides for computationally aligning misaligned parts. Inch and metric scaling provides for dimensioning in either set of units. Expanded and contracted dimensions permits scaling to nominal dimensions, then expanding or contracting dimensions for special purposes such as compensation for thermal expansion and mating parts.

Abstract: An improved machine control system having a display for operator interaction is provided. Feedback machine control is provided with an integrated circuit computer. Display of edges having rotation, translation, scaling, and smoothing is also provided.

Abstract: Illumination amplifier devices such as liquid crystal devices (LCDs) are controlled with feedback servo arrangements using pulse modulated signals such as pulse width modulated signals or using proportional analog signals. In a preferred embodiment, illumination is controlled with an LCD, where the controlled illumination is monitored with a electro-optical sensor to generate a feedback signal related to a characteristic of the controlled illumination. The feedback signal is processed with an illumination servo to provide a control signal to the LCD for precisely controlling illumination with the LCD. A pulse modulation circuit provides pulse modulation signals to control the LCD, thereby providing a form of proportional control with signals that provide on-off type characteristics. This arrangement provides more precise control for illumination amplifiers and provides proportional control with the illumination amplifier operating in an on-off manner.

Abstract: The present invention is directed to a servo system for compensation of memory signals. In a preferred embodiment, the memory system is a CCD analog read only memory system. In alternate embodiments, the memory system may include an alterable memory, a bubble memory, and/or other memories. Adaptive servo compensation is provided by storing reference signals and compensating stored information signals with the stored reference signals using a compensation servo arrangement. The servo may be an implicit servo for compensating signal amplitude such as to correct charge transfer errors in a CCD memory.

Abstract: An arrangement is provided for optimizing placement of cardiac electrodes and for improved signal processing. In particular, an arrangement is provided for electrode placement and signal processing to obtain 90% of the information obtained by a 12 electrode electrocardiagram by using an optimun four lead arrangement. Further, this arrangement has additional advantages including convenient access by a user, reduction in muscular artifacts, and other advantages.

Abstract: A feedback control system is provided for control of a machine with a computer. A whole number command structure and a whole number feedback arrangement provide for interfacing a servo to a computer. Direct conversion between pulse width modulated and phase modulated signals and whole number digital signals facilitate computer interfacing to analog servos.

Abstract: An electro-optical printer is implemented with an electro-optical character generator in combination with an illumination sensitive medium such as photographic paper. This printer arrangement provides advantages such as being compatible with liquid crystal display devices used on conventional calculators and provides hard-copy printouts with a non-impact printer arrangement.

Abstract: A photographic system and a microcomputer based control system are provided for providing photographic exposures. An illumination control system for generating high registration photomasks is provided. A control system implemented with a monolithic microcomputer controls a photographic device through a minimal interface for high capability and economy.

Abstract: An improved arrangement is provided for processing analog and digital signals, where particular advantages are obtained using charge coupled devices (CCDs). A memory arrangement utilizes a novel refresh circuit to re-establish signal amplitudes which are degraded by a CCD memory. Further, various gating and control circuits are used for loading and unloading the memory. A CCD signal processor and memory arrangement is provided for in an embodiment of an array processing system to exemplify one application of these arrangements.

Abstract: A signal enhancement system is provided using an improved digital filtering apparatus and method. Enhanced performance and cost is achieved by processing signals on the fly in real time. Greater precision is achieved by providing compositing-after-correlation capability. Further improvements are achieved by separating and compositing a plurality of signals that are multiplexed together. Still further improvements are achieved with a filter implementation using charge coupled devices.

Abstract: An arrangement is provided for locating and identifying objects using holographic techniques. Improvements are achieved by array configuration and particularly with the use of a plurality of arrays to provide different types of information related to the same object. In one embodiment, a high resolution narrow field-of-view array is provided in combination with a low resolution wide field-of-view array. The low resolution array resolves the ambiguity for object location and the high resolution array permits object identification; wherein the combination of a high resolution narrow field-of-view array and a low resolution wide field-of-view array provides significant advantages over the conventional high resolution wide field-of-view array.A general purpose high resolution wide field-of-view array may be provided for obtaining desired information. In a mode requiring high computational rates, portions of the general purpose array may be selected to provide specific information.

Abstract: A system is provided for voice signal processing including recognizing input voice messages and generating output voice messages. Digital processing of voice signals yields particular advantages. Voice responsive operations provide operator interaction flexibility. Communication of digital information in response to voice information provides data compression for communication applications. Other applications of the voice signal processing system include an audionic clock, an audionic calculator, and an audionic announciator.

Abstract: A machine and a control system are provided for generating high registration photomasks with a contact printing arrangement. Further, a unique control arrangement is provided for controlling a machine such as a high registration contact print machine or other type of machine. In a preferred embodiment, a control system generates signals to a step and repeat contact printing machine that exposes many prints of master die images on a photographic film, where these prints have a high registration characteristic. In a further embodiment a unique control arrangement is provided for machine control operations.