Data carrier identification system

Details Data carrier identification system Data carrier identification system

1988-12-16

1993-06-01

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082552, 340572, 379 62, 455 331, H04Q 700, H04Q 900, H04Q 1100, G08B 1300

Patent

active

052164195

ABSTRACT:
This invention is directed to a data carrier identification system which is used, for example, in production lines. Different data carrier identification numbers (DCNos.) are assigned to respective different data carriers in an access enable area where data carriers can communicate with a central controller. The different DCNos. allow the controller to correctly access a specific data carrier even if more than one data carrier exists in an access enable area. When a new data carrier enters the access enable area its data carrier identification number is checked by the controller to determine if another data carrier already in the area has the same data carrier identification number and, if so, the controller instructs one or more of the data carriers to change their data carrier identification number so that no two data carriers within the access area have the same data carrier identification number.

REFERENCES:
patent: 4510495 (1985-04-01), Sigrimis et al.
patent: 4630044 (1986-12-01), Polzer
patent: 4631708 (1986-12-01), Wood et al.
patent: 4638313 (1987-01-01), Sherwood, Jr. et al.
patent: 4680583 (1987-07-01), Grover
patent: 4691202 (1987-09-01), Denne et al.
patent: 4742470 (1988-05-01), Juengel
patent: 4817190 (1989-03-01), Comroe et al.
patent: 4818855 (1989-04-01), Mongeon et al.
patent: 4825204 (1989-04-01), Nakamura

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