Norland Corporation

Other

Frederick A Rose

Russell H Nord

Roger E Lidicker

Anthony C Del Bagno, Sr

Garry A Williams

Steven R Smith

Paul J Kristof

Christopher P DeWitt

Richard R Giordano

A communications management system for use in conjunction with a host computer includes independently powered processing circuitry which automatically powers up the host computer upon receipt of an incoming message or initiation of an outgoing message, thereby avoiding the need for the computer to be continuously powered. The computer is also powered-up by user-actuation of a panel switch, or by an internal timer which establishes a predetermined powered-up monitoring period. A mode selection circuit prevents conflicts between the various power control factors when powering down the computer.

Communications management system having multiple power control modes

A communications management system for use in conjunction with a host computer includes independently powered processing circuitry which automatically powers up the host computer upon receipt of an incoming message, thereby avoiding the need for the computer to be continuously powered. In the event of a momentary power interruption during operation of the system a battery-powered clock and memory circuit within the system reestablishes the system upon resumption of power to the operating configuration which existed at the time of interruption.

Communications management system

Digital oscilloscope

This invention relates generally to the field of heat pipes, and is specifically concerned with an internal wicking structure to promote the capillary flow of a system liquid from the condensor section to the evaporator section, such that the evaporator section is uniformly saturated. This phenomena is achieved through the use of multiple diverse wicking patterns, formed integrally in the interior walls of the heat pipe.

Heat pipe having multiple integral wick structures

A waveform measuring and analyzing instrument includes a pair of plug-in receptacles adapted to receive signal acquisition and/or processing plug-in units. Each of the receptacles is wired to a waveform data memory and to a programmed processor. The program memory for the processor includes addresses assigned to the plug-in units for addressing a memory in the plug-in units which include plug-in type and status data and may include a plug-in resident programmed memory array in which a data calculation program is stored. The processor is connected to execute the software program in the plug-in unit. The plug-in resident calculating capability significantly expands the power and capability of the instrument to analyze and process particular waveform signals. The software programmed plug-in units may be formed with a pre-programmed, read-only memory or may employ a read-write memory with means for interfacing to a still larger external storage or memory. The instrument housing has an upper front control panel and a lower inter-active keyboard panel. The receptacles and plug-in units are rectangularly shaped and the receptacles are oriented horizontally in the housing to require sidewise placement or insertions of the plug-in units. A circuit board chamber is formed in the upper housing portion within which a stack of circuit boards are conveniently housed.

Programmed calculating input signal module for waveform measuring and

A waveform measuring and display instrument includes a random access data memory bank consisting of four similar data memory parts, which can be configured or organized as one single memory section, two individual half sections, or four individual sections. Each part has an input port coupled by a multiplexer to any one of a plurality of waveform data acquisition plug-in units. During data acquisition, a controller includes a direction memory which sets the multiplexer to establish a connection of the signal inputs to the memory parts. The direction memory is written by the processor in accordance with the setting of a user operated control means for selection of the memory configuration. A CRT display unit is connected to a display port for reading the data memory. A logical address is employed by processor and display unit for any given memory section to identify the desired logical memory location starting from a logical zero reference. The data memory unit includes an offset register for each part. The appropriate offset register is updated with each data sample input to track the offset of the logical address zero reference from the physical zero reference of the part or section. Where the data memory is configured with a plurality of parts forming a section, one offset register may be assigned to the section or the individual registers may be employed. A logic means provided in the memory unit calculates the physical location for the logical address based on the offset number in the register and the size of the array.

Random access memory apparatus for a waveform measuring apparatus

A waveform measuring and display instrument includes a digital memory unit to store digitized waveform samples for display on an X-Y plotting or monitor oscilloscope. A programmed processor includes an integrated interactive keyboard with user operated data reduction and calculating keys which actuate the processor to execute an appropriate one of a plurality of corresponding program routines in the processor memory to do the appropriate data reduction and calculation on the waveform array or related data. The memory unit and display unit include controllers with data communication provided by hardwire interfacing. The processor writes program tables for the controllers, with the memory unit shared by the data acquisition unit, the display unit and the processor. The interactive keyboard has separate keys for the four basic arithmetic functions and for compound mathematical functions, for operation on full arrays in memory and on individual numbers in special registers. The function keys are directly identified by the known arithmetic and compound function symbols employed in scientific analysis and discussion. Numeric entry keys and cursor positioning keys are provided. A pair of cursors are provided with user motion control keys and machine assist control keys. The processor includes a special sequence memory bank in which the processor stores user established sequences of keystrokes. The processor then, upon demand, directly executes the sequence of keystrokes on the appropriate data arrays and registers.

Waveform measuring instrument with resident programmed processor for

A waveform measuring and analyzing instrument includes a digital memory unit which stores the waveform data as a fixed point number. The waveform is typically digitized as an eight or ten bit number and stored in a slightly wider array of memory locations, typically twelve bits wide. A block multiplier register and a block offset register store floating point numbers, typically thirty-two bits wide. Each register stores a number common to all data locations in memory, such that the variable or most significant character of the data is now represented over the maximum width of the memory data word. A processor applies the modifying offset and multiplier words or numbers to each memory data word whenever the data word is employed in any data reduction and whenever the data word is read for display. The combination of the two floating point modifying or scaling numbers allows use of relatively narrow storage words and the manipulation of the waveform data by the processor without significant loss of precision. The display of the variable portion of data may then be expanded and presented over a maximum scale for meaningful visual presentation. The memory unit is preferably constructed with a plurality of arrays for separate and combined data acquisition and display. In such a system, each array includes a set of the block modifying registers, including a multiplier register and an offset register. Where the individual arrays can be combined to form a new array, one of the register sets for the individual arrays may be assigned as the modifier for the combined array or the individual sets may be used for each array forming the new array.

Growing community of inventors

Fort Atkinson, WI, United States of America

Frederick A Rose