John Hartzell Email & Phone Number

Lincolnshire, IL, US

Harwood Heights, IL, US

Assigned to Dabir Engineering, responsible for test and compliance functions for pressure ulcer prevention equipment.Orchestrates regulatory approvals for medical devices per IEC 60601-1 and related standards, including EMC, usability, home healthcare, and lithium batteries. Facilitates certification activities to maintain market access domestically and.

Bloomingdale, Illinois, US

Assigned to Medical Device Engineering/Quality Assurance, responsible for regulatory and compliance functions for medical imaging (x-ray) equipment.Orchestrated regulatory approvals for products per IEC 60601-1 and related medical device standards. Facilitated certification activities to permit sale of medical devices domestically and worldwide, including.

Northbrook, Illinois, US

Assigned to Product Safety, responsible for determining compliance to standards from UL, CSA, NSF, ANSI, and IEC for a variety of products and customers.Performed safety assessments of electronic appliance controls and commercial cooking and food preparation equipment, including electrical and gas-powered equipment, for global customers.Completed complex.

Newark, NJ, US

Assigned to EnergySaver Engineering, responsible for the hardware design and support of lighting control systems. Performed system and module level redesigns for cost reduction and product reliability improvement, including performance monitoring, communication, embedded firmware control, and power distribution subsystems. Evaluated field failures and.

Carrollton, TX, US

Assigned to TITAN 5000-Series Engineering, responsible for the hardware design and support of digital cross-connect systems. Performed design, test, and support of high speed port modules (STS-1E and DS3). Performed design and project management for module used to route ATM (Asynchronous Transfer Mode) cells and provide diagnostics and performance.

Schaumburg, Illinois, US

Assigned to 360-Series Channel Bank Engineering, responsible for the hardware design and support of T1 digital transmission and signaling equipment. Performed specification and design of T1 transceiver and channel bank control module with performance-enhancing monitor circuitry. Redesigned modules to replace custom devices with off the shelf components..

Mount Prospect, IL, US

Assigned to Telecenter Engineering, responsible for the hardware design and support of the Telecenter IV and V school communication systems. Supported system modules including phones, Central Office and PBX trunk interfaces, and control interfaces for media devices such as TVs and VCRs.Created product specifications for media control subsystem that.

Assigned to Research and Development, responsible for the hardware design and support of the Call Processing Exchange automated attendant and voice mail system.