Portable autonomous device for the detection and recording of ra

Details Portable autonomous device for the detection and recording of ra Portable autonomous device for the detection and recording of ra

1993-01-06

1995-06-20

Voeltz, Emanuel T.

Boots, shoes, and leggings

364550, 364508, 364707, G04F 500

Patent

active

054265959

ABSTRACT:
The device of the invention uses at least one measurement chain comprising a sensor sensitive to the magnitude that one wishes to monitor, an analog-to-digital converter capable of supplying a digital signal representative of said magnitude, a microcontroller adapted for taking samples of said digital signal, of associating them with information enabling them to be time-stamped and of memorizing them in a memory that can be accessed by a read module, a logic reactivation circuit making it possible to command an operating period of the microcomputer when the sensor emits a signal announcing the occurrence of a monitored phenomenon. The invention applies particularly to the detection and recording of shocks which may affect goods during transportation thereof.

REFERENCES:
patent: 4745564 (1988-05-01), Tennes et al.
patent: 4862394 (1989-08-01), Thompson et al.
patent: 5175845 (1992-12-01), Little

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