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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 5745390 | Method and system for reducing development time of complex systems utilizing correlation matrices A method and system for reducing development time of a complex system such as an automobile engine utilizing correlation matrices are provided. First, second and tertiary level correlation matrices are preferably created and stored on a computer system in... | 04/28/1998 |
| 5745389 | System and mechanism for assigning pre-established electronic addresses to printed circuit boards A software implemented control mechanism is used in a test system for assigning unique pre-established electronic addresses which are to be written into the memory elements of printed circuit boards during the manufacture thereof. Each PCB is previously e... | 04/28/1998 |
| 5742513 | Methods and systems for automatic testing of a relay A system and method for automatically testing the operation of a protective relay system is disclosed. The system and method provide for continuous testing to ensure proper operation of the protective relay system while the relay remains in service and wi... | 04/21/1998 |
| 5734591 | Method of analyzing multiple range test data A method is disclosed for analyzing the performance of a testing device for analyzing biochemical samples or human bodily fluids which operates over at least two ranges. The method of the present invention comprises obtaining a first set of test results r... | 03/31/1998 |
| 5724272 | Method and apparatus for controlling an instrumentation system A method and apparatus for controlling instrumentation systems and for providing a user with the capability to develop instrument drivers and application software for controlling instrumentation systems. The present invention provides a system including a... | 03/03/1998 |
| 5717607 | Computer program, system and method to reduce sample size in accelerated reliability verification tests A method for determining a sample size W required for accelerated testing of a product includes the steps of selecting a Reliability Goal R as appropriate for the product, selecting a Confidence Level CL appropriate for the accuracy required from the resu... | 02/10/1998 |
| 5684726 | Firing method & apparatus for random ESD testing The present invention employs random electrostatic discharges to stress test electrical machinery, particularly digital computer systems running repetitive diagnostic programs. There is provided an interactive capability which allows the user to determine... | 11/04/1997 |
| 5668745 | Method and apparatus for testing of semiconductor devices A computer-based method is provided for determining whether a semi-conductor device conforms to design requirements. In one embodiment, the method is based on data stored in a design database, and an automatic test equipment ("ATE") datalog. In a further ... | 09/16/1997 |
| 5615219 | System and method of programming a multistation testing system A system for generating programs for a variety of testing stations. A program generator reads a common rule set to generate test instructions for an electrical tester, an optical inspector, and an x-ray inspector. Over time, the system collects defect dat... | 03/25/1997 |
| 5615133 | Method and device for storing transaction data The transaction data are acquired, developed and stored by a processing device located in direct proximity to measuring instruments, which includes a control processor (H) and a storage module (S). The data are stored in a non-volatile and redundant media... | 03/25/1997 |
| 5610671 | Ophthalmic apparatus Disclosed herein is an ophthalmic apparatus for obtaining a refractive corrected-degree based on a refractive power of each of eyes to be examined, the ophthalmic apparatus comprising a refractive power inspecting device for inspecting the refractive powe... | 03/11/1997 |
| 5596587 | Method and apparatus for preparing in-circuit test vectors Method and apparatus for preparing sequences of test vectors to test for proper assembly of complex custom IC's onto printed circuit boards. The method, operating with appropriate apparatus for driving and sensing pins of a sample IC, automatically prepar... | 01/21/1997 |
| 5567918 | Method and apparatus for initiating a weighing operation A method and apparatus for initiating a weighing scale operation, including a quick start program operable either by the tare key of the weighing scale or by the application of a load to the load-receiving member of the scale to by-pass a start-up test pr... | 10/22/1996 |
| 5566088 | Modular radio test system and method A tester for multiple types of radios has a first group of generic test elements common to all types of radios to be tested and second groups of test elements specific to each one of the multiple types of radios. Each of the second groups of test elements... | 10/15/1996 |
| 5541862 | Emulator and digital signal analyzer In order to test the functional and parametric characteristics of a unit without overloading a host computer, the host computer downloads a testing program to a plurality of digital signal processor modules which do all of the functional environmental emu... | 07/30/1996 |
| 5541863 | Virtual integrated software testbed for avionics A virtual integrated software testbed for avionics is disclosed which allows avionics software to be developed on a host computer using a collection of computer programs running simultaneously as processes and synchronized by a central process. The softwa... | 07/30/1996 |
| 5473540 | Electronic controller for vehicle An electronic controller 16 for use in controlling vehicle operation comprises first and second memories 22,24, the first containing a plurality of control procedures and data values for controlling the operation of the controller for use with a plurality... | 12/05/1995 |
| 5444643 | Method for programming a bus-compatible electronic motor vehicle controller A method for programming a bus-compatible electronic motor vehicle controller that is equipped with at least one microcomputer to implement its control function and with ROM and RAM in order to accommodate and handle applications software required for the... | 08/22/1995 |
| 5442553 | Wireless motor vehicle diagnostic and software upgrade system A transceiver and additional memory are connected to the microprocessor in a vehicle so that all, or selected portions, of operating data is stored in the memory and periodically transmitted to a remote station. The data is diagnosed at the remote station... | 08/15/1995 |
| 5359546 | Automatic generation of test drivers A test driver generator is provided for generating test drivers from test function designations and attribute value specifications of software interfaces. For each set of designations and specifications for a software interface, the test driver generator ... | 10/25/1994 |
| 5349660 | Method of improving performance in an automated test system Disclosed is a system which compiles instrument commands from a test instrument programming language, along with data in the commands, into a machine usable form. The machine usable instructions thus sent to the instrument are significantly smaller than t... | 09/20/1994 |
| 5305328 | Method of test sequence generation An efficient method of generating test sequences for sequential circuits is disclosed. This method generates a test sequence for a combinational circuit which includes an object fault, examines memory elements where a resulting state (other than "don't ca... | 04/19/1994 |
| 5212443 | Event sequencer for automatic test equipment A number of local sequencers, one for each pin of the device under test is disclosed. Each local sequencer is provided with a global clock, a global time zero signal indicating the clock edge for referencing the start of a test, and a period vernier indic... | 05/18/1993 |
| 5159600 | Arrangement for generating an optimal set of verification test cases A facility is provided for generating from a series of parameters (factors) and their respective values (levels) inputted by a user a plurality of test cases using an orthogonal array selected from a library of such arrays, in which the selection is optim... | 10/27/1992 |
| 5130936 | Method and apparatus for diagnostic testing including a neural network for determining testing sufficiency A diagnostic tester evaluates at least one inputted test signal corresponding to test data relating to at least one predetermined parameter of a system being tested, to produce first and second candidate signals corresponding respectively to first and sec... | 07/14/1992 |
| 5121342 | Apparatus for analyzing communication networks A handheld, battery operated network testing device uses disk loaded software, programmable gate arrays, and digital signal processing to selectively configure the device for a full range of analog and digital testing modes in a variety of communications ... | 06/09/1992 |
| 5021997 | Test automation system A test automation system (FIG. 1) comprises storage and process components connected by file interfaces. BPLAN (103) creates and stores test descriptions in test information database (102). Tests are stored in test storage hierarchy (100). BSYNC (104) com... | 06/04/1991 |
| 4949290 | Method and apparatus for defining test sequences for a signal measurement system A signal measurement system with softkey menus for enabling a user to select a desired test setup, including selection of test measurement for a device. The signal measurement system prompts the user with a set of displayed softkey selections via a user i... | 08/14/1990 |
| 4894829 | Comprehensive design and maintenance environment for test program sets A source computer program for generating object computer programs, referred to as test program sets, for use in operating a particular automatic test equipment unit (ATE). The ATE is useable for testing a variety of electrical equipment type units each of... | 01/16/1990 |
| 4884228 | Flexible instrument control system Operation of a microcomputer-based instrument is controlled by software including a control interface system, a command execution system, and a steady state system. The steady state system includes a group of subsystems operating as concurrent tasks, each... | 11/28/1989 |
| 4812996 | Signal viewing instrumentation control system A signal viewing instrumentation control system includes a programmable test instrument, a computer having an input keyboard and/or mouse, a CRT display and a communications interface for the computer to communicate with the test instrument. The test inst... | 03/14/1989 |
| 4805089 | Process control interface system for managing measurement data A method of controlling a process using a programmed digital computer with a set of process control programs. An operator control program allows the user to select and run a specified process and to collect measurement data while the selected process is r... | 02/14/1989 |
| 4783307 | Reactor control system verification A computer controlled system and method accurately and rapidly verifies the in-place, dynamic response of a transducer/sensor to a time dependent state variable. The verification system includes a programmable ramp generator which introduces a time varyin... | 11/08/1988 |
| 4593357 | Motor vehicle performance monitoring system A portable computer based motor vehicle performance monitoring system which performs vehicle characteristic measurements and calculations. The system uses a distance sensor means, a fuel volume flow sensor means, and a fuel temperature sensor means for se... | 06/03/1986 |
| 4351031 | Nondestructive testing system having automatic set-up means An eddy current type of nondestructive testing instrument is disclosed in which the operating frequency is automatically adjusted in accordance with a comparison of output signals obtained in scanning operations in which the frequency is adjusted over its... | 09/21/1982 |
