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7542932 |
Systems and methods for multi-objective portfolio optimization
The systems and methods of the invention are directed to portfolio optimization and related techniques. For example, the invention provides a method for multi-objective portfolio optimization for...
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7533045 |
Method and system for life settlement and life insurance contracts securitization involving asset and liability stripping
One embodiment of the present invention provides a means of securitization of life settlement contracts using a method of stripping the death benefit asset from the premium liabilities by producing...
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7421461 |
Pipe reference and calculating device
A pipe reference and calculating device pipe reference and calculating device includes a housing that can be held in a hand of a user. A processor is contained within the housing. A keypad is on...
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7415492 |
Tips calculator
A novel calculator and methods for using same for calculating tips with ease and without requirement for knowledge of necessary tip calculating formulas. Three groupings of buttons provide buttons...
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6874005 |
Subexpression selection of expression represented in contiguous tokenized polish representation
An algorithm and handheld device adapted to select a subexpression of a mathematical expression. An expression string of the handheld device is selected, and the expression string is converted to a...
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6557018 |
Desk calculator capable of easy checking and trustworthy calculation
A electronic calculator in which inputted calculating data consisted of alternately appearing operators and numerical values is maintained very reliable, and with which users can execute very...
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6112133 |
Visual system and method for generating a CNC program for machining parts with planar and curvilinear surfaces
The present invention comprises a system and method for generating a CNC program for machining a part having planar and curvilinear surfaces and surfaces of revolution comprising an interface for...
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6026449 |
Computers with a proof function
The inventive computer includes a RAM which sequentially stores a series of calculation expression data thereto, a proof unit which proves the series of calculation expression data by inputting...
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5995987 |
Programming method and programming unit for programmable controller in which only common names for application instructions need be designated by the programmer
A programming system for a programmable controller is improved by providing for automatic retrieval of the execution programs corresponding to application instructions which do not form a part of...
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5870319 |
Device and method for collecting data from graphed images
A computing device (10) for capturing designated data from one or more graphic applications (60) comprising a screen area (16) for viewing one or more graphic functions (111) wherein each function...
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5822546 |
Hand held docking station with deployable light source, rechargeable battery pack and recessed grip, for connecting to a palm top computer
A hand-holdable docking station is adapted for mechanical and electrical connection with a palmtop computer. The docking station comprises a housing and means for securely affixing a palmtop...
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5712623 |
Small-sized alarm device
A small-sized alarm device is hung on a doorknob to emit an alarm sound upon detecting that a human body contacts or approaches the doorknob. The alarm device has data processor, such as a...
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5659338 |
Electronic apparatuses which displays various graphic data at the time of power-on
An electronic apparatus includes: a display screen; a power supply switch; a memory for storing a plurality patterns of graphic data, select information indicating which graphic data is selected,...
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5619711 |
Method and data processing system for arbitrary precision on numbers
A data processing system 10 comprises an arbitrary precision number C++ class program code 18, which incorporates arbitrary precision arithmetic. The arbitrary precision number program code 18...
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5594673 |
Method and apparatus for displaying menu options for selection with a minimum of key stroke
A calculating device enables a user to select among multiple menu options by displaying a two dimensional array of menu options. A user can select among rows of the array by pressing a selector key...
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5506988 |
Program-controlled communication installation
A program-controlled communication installation is composed of at least a digital computer system having a computer core (processor) administered by a multi-tasking operating system and having a...
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5371694 |
Scientific calculator
A scientific calculator includes a conversion table memory for storing as a conversion table a combination of each kind of conversion equation and a selection number, a key board providing numeric...
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5319790 |
Apparatus automatically entering mode for storing document and mode for reading document in response to representative data indicating whether stored document exists corresponding to input title
A system for registering and calling documents in a character processing unit includes a memory for storing character string information and title information associated with the character string...
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5203001 |
Portable computer having an updatable table of starting addresses for accessing those stored programs having been previously executed
A portable computer that is capable of storing one or more application programs and designating one or more program running-start lines by a key input for each application program is provided. The...
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5193201 |
System for converting a received modulated light into both power for the system and image data displayed by the system
A data processing system has a host computer which is coupled to a light source. The light source illuminates an area surrounding said light source and also transmits data sent to it by the host...
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5065359 |
Desk top calculator with access sequence control system for various constants
The desk-top calculator in accordance with the present invention comprises a constant access key, a ROM and a control unit. The ROM is arranged such that different types of constants are anteriorly...
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5018084 |
Darkroom calculator
A darkroom calculator that performs mass, volume, concentration and temperature conversions useful in the preparation of darkroom chemicals; calculation of proper development times and temperatures...
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4935875 |
Chemical analyzer
An automatic chemical analyzer for the analysis of physiological samples. A scanning monochromatic spectrophotometer may be used to determine the absorbance of the sample under control of a central...
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4891777 |
Single hand keyboard arrays providing alphanumeric capabilities from twelve keys
A keyboard system has a keyboard geometric arrangement enriched in intersections of three keys achieved by offsetting or staggering adjacent keys. This provides a greater number of choices from a...
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4843590 |
History stack
A calculating device is presented which displays a stack containing values most recently calculated and utilized, in accordance with the preferred embodiment of the present invention. The...
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4821228 |
Method and apparatus for computation stack recovery in a calculator
A method and apparatus for recovery of a computation stack in a calculator is presented in accordance with a preferred embodiment of the present invention. In a calculator employing a stack for the...
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4811257 |
Electronic calculator having means for directly inputting variables into a prestored and displayed equation
An electronic calculator having a first input mode for inputting one or more algebraic equations, a display for displaying the variable terms of the input equations, and an indicator for...
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4805136 |
Program protection in a programmable electronic calculator
A programmable electronic calculator operates in a programming mode, wherein a desired optional program is introduced into the programmable electronic calculator, or in a run mode wherein the...
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4796215 |
Programmable calculator with external memory module and protection against erroneous erasure of data in the module
A programmable calculator using at least one exchangeable reloadable memory module includes a connector for connecting the exchangeable reloadable memory module to the calculator. The calculator...
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4761750 |
Electronic calculator with a program calculation function
An electronic calculator has a program calculation function. The calculator also includes a key for designating substitution of numeral data for variables, a key for designating a variable, and a...
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4727502 |
Programmable electronic calculator
A programmable electronic calculator comprises a program command memory for storing program commands, a comment information input device actuated for inputting new comment information in place of...
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4709331 |
Calculator-computer for calculating infusion rates over varying time intervals
A calculator, particularly useful for medical personnel comprises function, numerical selection, and memory circuits with a read out display connected to provide conversion of quantitative values...
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4698784 |
Syntactic device for chain calculations
A computing system using a syntactic device for chain calculations with displaying an intermediate result to monitor the progress of the calculation is provided. In one embodiment, if an operator...
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4636970 |
Personal type computer with execution of programs in ROM and RAM
An electronic-type computer in which programs may be entered from a key entry device into a Random Access Memory in which they are stored, and those programs may be read out from the contents of...
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4615015 |
Self-contained electronic computer including means for immediately executing or storing alphanumeric statements entered into the computer
An electronic calculator includes keyboard control means for enabling the user to either immediately execute a line of one or more alphanumeric statements entered into the calculator or store that...
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4612418 |
Method for controlling task process and device thereof
A method for controlling task processes using a minimum of energy. The task processes are divided into two or more groups in accordance with an execution priority. The individual task processes...
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4611307 |
Function analyzing
A programmable electronic calculator is provided for numerical evaluation of mathematical problems through application of one or more mathematical operators to each input numerical operand of a...
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4554641 |
Programmable calculator
A programmable calculator is disclosed which includes a display panel for displaying numerical or alphabetical data, and a keyboard for introducing desired numerical or alphabetical data into a...
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4530068 |
Electronic hand-held memory device
An electronic hand-held memory device is capable of containing character information and numerical information stored together as a pair. Either or both types of information may be outputted, and...
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4516218 |
Memory system with single command selective sequential accessing of predetermined pluralities of data locations
This addressing system, advantageously for smaller scale data processors with relatively narrow data paths, facilitates transferring pluralities of multibit data words, e.g., storing or fetching...
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4486847 |
Watch provided with a microcomputer
A microcomputer used in the multi-function watch comprises, in addition to its conventional circuits such as the program memory 1, the data memory 7 and the arithmetic and logic unit 6, a counter...
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4485455 |
Single-chip semiconductor unit and key input for variable function programmed system
A variable function calculator utilizes a fixed program memory array such as a programmed read only memory in which a number of programs are stored depending upon the desired functions of the...
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4480305 |
Programmable calculator including editing capability
A programmable calculator having modular read-write and read-only memory units, a central processing unit, a keyboard input unit, and an output display unit includes keys on the keyboard input unit...
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4455607 |
Programmable calculator having keys for performing angular measurement unit conversion
A programmable calculator having modular read-write and read-only memory units, a central processing unit, a keyboard input unit, and an output display unit, includes keys on the keyboard input...
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4412300 |
Programmable calculator including alphabetic output capability
A modular read-write and read-only memory unit capable of employing both direct and indirect decimal and symbolic addressing, a central processing unit capable of performing both serial binary and...
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4404632 |
Attitude control system for driver's seat
An attitude control system for driving and controlling an attitude controlling mechanism associated with a driver's seat. A semiconductor read-only memory stores attitude establishing standard data...
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4385291 |
Electronic diary watch
The data input device permits the selection of a symbol amongst a set of N symbols, e.g. for memorizing a message. A data input device permitting selection of a particular symbol from amongst a set...
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4384328 |
Programmable calculator including magnetic reading and recording means
A modular read-write and read-only memory unit capable of employing both direct and indirect decimal and symbolic addressing, a central processing unit capable of performing both serial binary and...
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4381554 |
Calculator for storing source data and evaluating numerical answers to problems
A programmable electronic calculator is disclosed for numerical evaluation of mathematical problems through application of one or more basic mathematical operators, properly grouped, to each input...
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4352161 |
Electronic calculator capable of dealing with variables
An electronic calculator capable of displaying not only a value of a variable but also an answer to this value calculated in accordance with a program stored in the calculator. When the value of...
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