Pulse or digital communications – Repeaters – Testing
Patent
1995-02-28
1996-05-28
Black, Thomas G.
Pulse or digital communications
Repeaters
Testing
39520007, 395287, 395843, 395860, 364DIG1, 3642821, 3642316, 3642813, G06F 900, G06F 1300, G06F 1500
Patent
active
055220665
ABSTRACT:
A record maintenance interface, supporting record access procedures and database access operations for a variety different file system formats, is disclosed. The record maintenance interface receives commands from the user or application requesting to access the records of a database, which are independent of the particular filing system format in which the database is organized. The procedures requested by the commands are executed and each procedure requires the performance of at least one database access operation. The record maintenance interface further maintains a program module for carrying out each database access operation for each file system. The record maintenance interface points to, and causes the execution of, a particular program module depending on the file system format of the database and the database access operation called by the record access procedure.
REFERENCES:
patent: 4774655 (1988-09-01), Kollin et al.
patent: 5047923 (1991-09-01), Elstner et al.
patent: 5058000 (1991-10-01), Cox et al.
patent: 5117349 (1992-05-01), Tirfing et al.
patent: 5257366 (1993-10-01), Adair et al.
patent: 5278978 (1994-01-01), Demers et al.
Black Thomas G.
Homere Jean R.
Industrial Technology Research Institute
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