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Inventor:
Bachman; Charles W.
Address:
Lexington, MA
No. of patents:
17
Patents:




Patent Number Title Of Patent Date Issued
5249300 System and method of constructing models of complex business transactions using entity-set varia September 28, 1993
A computer system for building models of complex business transactions in an information management system. The system includes storage means for storing ordered sets of references to design data, such as entities. The ordered sets, or entity-sets, are assigned a value, and may then be
5193183 System for accessing design data of modeler subsystems by reference to partnership set and for d March 9, 1993
A computer system for dynamically modeling information systems of organizations by employing partnership sets. The system includes one or more editors which enable a user to interact with the system. The system includes a programmed data computer adapted to establish one or more part
5193182 Computer system for defining logical operations on design data including retrieve entity-set, se March 9, 1993
A computer system for processing information representative of complex business transactions. The system enables a user to define business logic within a dynamic information management system model. The system may include a plurality of editors which enable a user to dynamically create,
5179698 System for transforming user data in accordance with an algorithm defined by design data and for January 12, 1993
A computer system for processing complex information representative of business transactions. Specifically, the system stores transaction data, which is then reversibly transformed in accordance with predetermined processing algorithms, while it is externally inaccessible. In this static
5146591 Dynamic information management system utilizing entity-relationship information model in which t September 8, 1992
A computer system for dynamically modeling information systems of organizations. The system includes a plurality of editors which enable a user to interact with the system. Included in the system is an information modeler, an information flow modeler, and a logic modeler for creating,
4631664 Partnership data base management system and method December 23, 1986
A data base management system according to the invention stores, retrieves, and modifies data records within a digital computer data base, permitting access to related data records through partnerships joining record pairs. Partnership sets are employed to relate data records on a one-to
4359213 Tension clamp for three or more direction string networks November 16, 1982
Apparatus for clamping one string of a three or more direction oriented string network of a game racket held in a support fixture, to that support fixture. The apparatus includes a pair of jaws adapted to be selectively biased against the string-to-be-clamped in the string network. The j
4320451 Extended semaphore architecture March 16, 1982
A generalized event management architecture based upon an analysis of the traditional interprocess communication and synchronization mechanisms is disclosed. An extended semaphore architecture is proposed which combines the properties of Dijkstra's semaphore with that of a trap facility.
4318182 Deadlock detection and prevention mechanism for a computer system March 2, 1982
A method and apparatus for detecting a deadlock condition where two or more processes are waiting for events which cannot happen. Firmware is provided to examine the request of a first process of a group of processes for assignment of a first resource of a group of resources, and to dete
4130867 Database instruction apparatus for determining a database record type December 19, 1978
One of a series of hardware/firmware instructions for converting a general purpose digital computer into a database machine by adding the capability of handling data base records. The invention comprises a hardware/firmware implemented machine instruction apparatus which fetches a record
4068300 Data processing system utilizing data field descriptors for processing data files January 10, 1978
A data field descriptor extends the flexibility of operand accesses by defining the attributes of a data field with regard to length, location and form of data representation at execution time. This delay of binding the operand accesses until execution time supports both data independenc
4068299 Data processing system incorporating a logical compare instruction January 10, 1978
An apparatus for utilizing a logical compare instruction is disclosed. The apparatus develops a data field descriptor associated with and describing the attributes of each of the operands of the compare instruction. If the operands have different formats, when matching the contents of a
4044334 Database instruction unload August 23, 1977
One of a series of hardware/firmware primitives is disclosed for converting a general purpose digital computer into a database machine. The invention comprises a hardware/firmware implemented machine instruction which determines the appropriate register where a database pointer is curren
4042912 Database set condition test instruction August 16, 1977
Two of a series of hardware/firmware primitives are disclosed for converting a general purpose digital computer into a database machine. The invention comprises two hardware firmware implemented machine instructions which both fetch a set descriptor, which along with a base register BR,
4025901 Database instruction find owner May 24, 1977
One of a series of hardware/firmware primitives is disclosed for converting a general purpose digital computer into a database machine. The invention comprises a hardware/firmware implemented machine instruction called the find owner instruction, which fetches a set descriptor, which alo
4024508 Database instruction find serial May 17, 1977
One of a series of hardware/firmware primitives is disclosed for converting a general purpose digital computer into a database machine. The invention comprises a hardware/firmware implemented machine instruction which sequentially checks each database record in a database area beginning
3936804 Data processing system incorporating a logical move instruction February 3, 1976
Apparatus for utilizing a logical, record oriented move instruction is disclosed. By utilizing separately maintained data field descriptors which define the attributes of the data, the move instruction is able to transfer a multitude of different data types. From a source operand the


 
 
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