Patent · US Active

Safety device

US7429929B2 · kind B2 · utility

1Cited by

5References

8Claims

0Family size

Assignee

Jokab Safety AB · SE

Inventors

Mats Linger · Onsala, SE
Torgny Olsson · Svedala, SE

Key dates

Filing date	Jun 9, 2006
Grant date	Sep 30, 2008
Priority date	—
Expiry date	Jun 9, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/54
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A safety device includes a safety module (11), a data bus (12) and one or several transmitters (15, 16, 17, 18, 19, 20). The safety module transmits a pulse train (one dynamic signal) over the bus (12) constituting a loop, whereby the pulse train is connected to each of the transmitters, wherein the pulse is phase inverted.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.