Elapsed time recorder

Details Elapsed time recorder Elapsed time recorder

1987-08-10

1989-05-16

Goldberg, E. A.

Recorders

Printing, dotting, or punching marker

Register character printing, dotting or punching

346 80, 346 82, G01D 1504, G01D 1520

Patent

active

048313882

ABSTRACT:
An elapsed time recorder comprising an entrance recorder installed at the entrance for printing the entry time on a time card and simultaneously coding this entry time and printing the coded entry time on the time card, and an exit recorder installed at the exit for printing the exit time on the time card carried to the exit and simultaneously reading the coded entry time recorded on the time card, computing the elapsed time or the difference between the entry time and the exit time and printing the time difference on the time card.

REFERENCES:
patent: 2591448 (1952-04-01), Lorenz
patent: 3789424 (1974-01-01), Matorino
patent: 4494127 (1985-01-01), King

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