In-line passive barrier for intrinsically safe communication network

US7236342B2 · kind B2 · utility

Assignee

• Rockwell Automation Technologies, Inc. · US

Inventors

• Joseph G. Vazach · Mentor, US
• Ulrich Behrens · Ladenburg, DE
• Guenter Gabriel · Obrigheim, DE
• Robert J. Kretschmann · Bay Village, US
• Paraj Jivan Kayande · Calgary, CA
• Robin Slater · Dossenheim, DE

Key dates

• Filing date: Jul 28, 2003
• Grant date: Jun 26, 2007
• Expiry date: Mar 3, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y04S20/20
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A passive isolator may fit between two serial network cables to convert a standard serial network to a serial network suitable for use in hazardous environments.