Other

Michael T Ford

Thomas E Ford

Lalit Jain

Douglas F Ford

An examination unit having walls of substantially transparent plastic material coupled to an air tube frame that, when inflated, supports the walls to define an enclosed chamber. Access to the chamber is gained through a resealable port that facilitates easy entry and exit, as well as good sealing of the air within the chamber. Built into at least one wall of the chamber is a pair of sleeved-gloves that allow: a user of the examination unit to insert his or her hands into the chamber to handle an object therein without skin contact. The examination unit may be collapsed for space-saving storage and transport, and then readily inflated to provide a suitable environment for any number of treatments or investigations requiring that an object remain isolated from the user.

Portable and disposable examination unit with air tube frame

A network device that translates addresses of machines on physically separate networks and filters packets at the link, network and transport layers implements a virtual LAN over interconnected computer networks transparent to the computer networks. Using authentication and encryption, a secure connection between these network devices over a public wide area network implements a virtual private network and enables the definition of virtual LANs over the virtual private network. The network device has three tables for network address translation, routing, and filtering. A controller processes each incoming packet by translating network addresses to determine the destination of the packet, routing the packet to the determined location and filtering the packet according to filters defined for traffic between the source destination of the packet. If the packet is to be directed to a wide area network, encryption and authentication procedures can be provided to ensure secure transmission of the packet.

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Lancaster, PA, United States of America

Michael T Ford