Abstract: The present disclosure provides alert implants that comprise a medical device and an implantable reporting processor (IRP), where one example of such a medical device includes a component for a total knee arthroplasty (TKA) such as a tibial extension, a femoral component for hip replacements, a breast implant, a distal rod for arm or leg breakage repair, a scoliosis rod, a dynamic hip screw, a spinal interbody spacer, and tooling and methods that may be used to form the alert implant, and uses of such alert implants in the health maintenance of patients who receive the implant.

Abstract: Verifying and authenticating the identity of participants in electronic communication. A primary key generated from a master key is stored at a sending device and a recipient device. Based on the primary key, the sending device generates a passphrase and an associated secondary key, which includes an encrypted form of data enabling the passphrase to be reconstructed. The secondary key is transmitted to the recipient device, which can reconstruct the passphrase by decrypting the secondary key using the primary key. By reconstructing the passphrase, the secondary key verifies that it has used the correct primary key. The identity of a user of a communication device can be verified and authenticated, as well. The user is issued an authorization key, a copy of which is stored at a remote communication device with respect to the user. Using the authorization code, the user selects specified character positions of the passphrase and enters the resulting input code to the local communication device.

Abstract: Verifying and authenticating the identity of participants in electronic communication. A primary key generated from a master key is stored at a sending device and a recipient device. Based on the primary key, the sending device generates a passphrase and an associated secondary key, which includes an encrypted form of data enabling the passphrase to be reconstructed. The secondary key is transmitted to the recipient device, which can reconstruct the passphrase by decrypting the secondary key using the primary key. By reconstructing the passphrase, the secondary key verifies that it has used the correct primary key. The identity of a user of a communication device can be verified and authenticated, as well. The user is issued an authorization key, a copy of which is stored at a remote communication device with respect to the user. Using the authorization code, the user selects specified character positions of the passphrase and enters the resulting input code to the local communication device.

Abstract: Methods and systems for verifying and authenticating the identity of participants in electronic communication. The identity of a recipient communication device, such as a computer, can be verified. A primary key generated from a master key is stored at a sending device and the recipient device. Based on the primary key, the sending device generates a passphrase and an associated secondary key, which includes an encrypted form of the recreation process the passphrase. The secondary key is transmitted to the recipient device, which can reconstruct the passphrase by decrypting the secondary key using the primary key. By reconstructing the passphrase, the secondary key verifies that it has used the correct primary key. The identity of a user of a communication device can be verified and authenticated, as well. The user is issued an authorization key, a copy of which is stored at a remote communication device with respect to the user.

Abstract: A mining block carried by power-operated moving apparatus which is apertured to receive and retain the mounting shanks of elongate mining bits having a sharp wear point extending beyond the block. A block has an open-ended cylindrical recess which ensmalls at the base to a smaller coaxial recess. A conical shoulder at the juncture of the two recesses provides a step for the inner and base end of a mining bit to serve as a wear surface. A retainer on the shank above the base end holds the shank within the cylindrical recess. This eliminates wear at the mouth of the open-ended recess and prolongs the life of the mining block.

Abstract: A transparent gauge for use in accurately checking and setting the height and angular position of tool holding blocks utilized for the holding of tools for the cutting of coal, rock and the like. The device consists of a basic support sheet adjustably supporting a tool block indicator silhouette sheet movable arcuately relative to a sheet bearing angle indicia, all of which can be placed adjacent an actual tool to check angles and to set angles.