255 results about "Physical protection" patented technology

A transaction system for use with passive data storage media, such as optical memory cards, uses secure protocols involving digital certificates for communication between a read/write drive and the medium and also for communication between the drive and a host computer. The drive is physically secured with tamper resistant features and stores cryptographic keys and firmware for executing the secure protocols. All messages (data or commands) passed between the drive and the passive medium or host computer not only are encrypted but also include at least one digital certificate for authenticating the message. Typically, asymmetric (public-private key) encryption is used and keys may be derived from an authorized user's password, personal identification number, or biometric data. The drive includes sensors to detect any attempted intrusions and a control unit that will destroy the critical information (keys and protocol code) in response to a detected intrusion. The keys and protocols stored in a drive can themselves be changed through appropriate use of a secure protocol involving digital certificates.

The invention discloses a unified extensible firmware interface (UEFI) trusted supporting system and a method for controlling the same. The UEFI trusted supporting system comprises UEFI trusted supporting system firmware and a trusted platform control module (TPCM), wherein the UEFI trusted supporting system firmware is stored on a nonvolatile memory and connected with the TPCM by a system bus; and the TPCM is connected with a trusted computation platform by the system bus. The method for controlling the UEFI trusted supporting system comprises the following steps of: firstly, loading a driver for the TPCM; secondly, sequentially authenticating the identity of users, performing measurement validation on a basis input/output system (BIOS), the characteristic data of hardware and a master boot record (MBR) / operating system (OS) Loader/OS Kernel, controlling different hardware peripheral interfaces according to an I/O strategy of the users, and performing safety guide setting on the system by a safety guide module; and finally, controlling by the BIOS or the OS. By the system and the method, trusted computation, the configuration management of the TPCM, the backup/recovery of the BIOS/MBR/OS Loader/OS Kernel and the physical protection of key data are realized on a firmware layer. The invention can be simultaneously applied to a Linux system which opens source codes and a Windows system which does not open the source codes, so that a fault does not occur in a trust chain between BIOS firmware and OS software, and the safety of a computer and the friendliness of human-computer interaction are improved.

A microwave ablation safety pad includes a base layer, an electromagnetic shielding layer and a physical protection layer. The base layer is configured to support a cooling medium designed to absorb thermal energy. The electromagnetic shielding layer, adjacent the base layer, includes a faraday shield configured to prevent the generation of electromagnetic fields. The physical protection layer, adjacent the electromagnetic shielding layer, is configured to resist penetration therethrough.

A system and method for providing a secure boot architecture, in accordance with one embodiment of the present invention, includes a processor having an atomic state machine and a physically protected storage area. The atomic state machine stores a state of the processor in a state save map upon a boot-mode event. The atomic state machine also authenticates an object of a Pre-BIOS Boot Vector Region (PBBVR) in response to the boot-mode event. The PBBVR may be stored in the physically protected storage area. The atomic state machine loads the PBBVR from the physically protected storage area into an overlay memory if the PBBVR is successfully authenticated. The processor executes the PBBVR from the overlay memory if the PBBVR is successfully authenticated. The atomic state machine may also receive a candidate PBBVR upgrade image, authenticate the candidate PBBVR upgrade image, and replace the current PBBVR with a new PBBVR contained in the candidate PBBVR upgrade image if the new PBBVR in the candidate PBBVR upgrade image is authenticated.

A micro-electromechanical device or MEMS having a conformal layer of material deposited by atomic layer deposition is discussed. The layer may provide physical protection to moving components of the device, may insulate electrical components of the device, may present a biocompatible surface interface to a biological system, and may otherwise improve such devices. The layer may also comprise a combination of multiple materials each deposited with great control to allow creating layers of customizable properties and to allow creating layers having multiple independent functions, such as providing physical protection from wear and providing electrical insulation.

A protective camera enclosure (3) for a monitoring camera (1) comprises a cover portion (5) which is selectively moveable, in response to a detected tampering threat, from a retracted configuration exposing the camera (1) to an extended configuration covering and physically protecting the camera (1).

The device of the invention comprises a protective cover for an optical device such as a gonioscope, capsulatomy lens, wide-angle lens, or any other lens having an eye-contacting surface. The cover is made sterile and disposable for allowing multiple use of the protected optical device. The cover is made from a soft material biologically acceptable for contact with a human eye. According to one aspect, the gonioscope protective cover is used merely for physically protecting the eye-contacting surface from direct contact with the eye. According to another aspect, the gonioscope protective cover combines the protective function with an optical function that changes the direction of light so that it becomes possible to observe the light emitted from the pupil at angles that are close to the angle of full internal reflection from the pupil medium.

The present invention comprises a sprayer boom and is incorporated in a spraying apparatus which includes a vehicle, a tank, hoses connected to nozzles, and the sprayer boom. The sprayer boom includes a number of wing sections each including at least one single-piece component cut from a sheet of metal to form a web or truss structure which replaces the usual rods and welds support provided to sprayer booms of this nature. Obtaining the single-piece component by cutting it from a sheet of metal rather than constructing the truss-structure by use of many rods reduces material and labor costs. Spaced apart rungs or tabs on the bottom of the sprayer boom provide openings through which sprayer nozzles are aimed while the nozzles, hoses and connectors remain mostly recessed within the boom which provides physical protection from wind and other damage and still allows easy access for repair.

The invention discloses an application program integrity verification method for an embedded platform supported by a star trust chain. The embedded platform is provided with a TPM realized by an independent hardware which is taken as a trusted measurement of the whole platform, and the TPM uses a hardwire to control the operation of the embedded platform; the inside of the TPM is integrated with a trusted computing root, a trusted storage root and a trusted report root by adopting a physical mode so as to have physical protection on the TPM and a connecting circuit; and the TPM forms star trust relationship with the embedded platform Bootloader, an operating system kernel and a root file system. The method is characterized in that an integral application program which needs trust expansion in the root file system is subjected to trusted measurement by the trusted computing root of the TPM, and an obtained trusted measurement value is saved in the trusted storage root of the TPM; and the application program is subjected to integrity measurement during the starting of an operating system, then an obtained measurement value is compared with the trusted measurement value, and the integrity verification of the application program passes if the obtained measurement value is consisted with the trusted measurement value, otherwise, the integrity verification fails.

The present invention relates generally to a mechanism of a contact system for circuit breakers. More particularly, the invention encompasses a mechanism for a rotary double-break contact system, which enables a direct transfer of torque from stored energy components, such as, springs, to the contact arm in the ON-position (contacts closed) without using intermediate cam surface. The mechanism described in the invention also ensures reliable locking of the contact arm in the blow-off position using stationary means that are integral with or fixed to a crossbar module. This invention enables to achieve significant reduction or even to eliminate friction at certain critical interfaces between the contact mechanism components, thus, reducing or potentially eliminating hysteresis, and improving performance consistency, and also eliminating mechanism performance dependency on wear level and condition of an intermediate cam surface. An additional feature of this invention is a reduction of a loss of contact torque/force during over-travel in the ON position when the fixed and/or moveable contacts erode. Configurations described in this invention may also feature physical protection for the moving components of the contact mechanism assembly from flying particles resulting from short circuit shots.

The invention provides a method for designing a high-safety chip active shielding physical protection structure. The chip active physical protection structure has the function that a high-safety chip is prevented from being attacked in an intrusive mode, for example the high-safety chip is tampered or detected in a physical mode. Single-layer metal wires are active shielding wires and the active shielding wires are fully distributed on the surface of the chip. In order to protect a lower-layer physical pattern against attack, the smallest design rule is usually adopted by the metal wires. If patterns designed according to the smallest rule are fully distributed on the chip, the possibility that the chip circuit functional performance failure caused by particle contamination is increased. In order to reduce the volume production chip circuit failure, the width and/or the spacing of the active shielding wires are/is usually widened. If the size of each active shielding wire is widened, the safety of the chip can be reduced. In order to solve the problem of the contradiction between the safety of the chip and the yield of the volume production products, the pitch-variable active shielding physical production structure is further provided, so that dual-improvement in the safety and the yield of the chip products is achieved.

An enclosure for a wireless device includes a first compartment and a second compartment. The first compartment is to house some or all of the electronic circuitry of the wireless device and is sealed from an exterior environment. The second compartment is adjacent to the first compartment and includes one or more piezoelectric fans to provide cooling for the first compartment. The second compartment is open to the exterior environment and provides physical protection for the one or more piezoelectric fans located therein.

The invention provides an energy storage sodium-sulfur battery module with a high safe protection design. The energy storage sodium-sulfur battery module is characterized in that first, single batteries integrated at the inner part of the module are divided into a plurality of groups according to the designed power and capacity of the module, each group comprises a specified number of single batteries which are simply connected in series or in parallel, and the connection of current lines among each single battery group unit is controlled by a switch with a protection design; second, the inner part of the module adopts a composite gradient physical isolation layer, and physical protection layers for forced isolation are designed among the single batteries and between the batteries and the inner wall of a module insulation can; and when a plurality of sodium-sulfur batteries of the inner part of the module are severely damaged and even diffuse pollution outwards, the secondary disasters caused by the fact that the mutual chain pollution or damage among the batteries is diffused to the outer part of the module is effectively prevented.

The invention discloses a safety protective system used for a bank self-service kiosk. The system comprises a physical protection device and an electric control device, and can realize intelligent protection on the basis of firm physical protection. The protective system applies technologies of physical protection, artificial destruction alarming, environmental temperature detection, water immersion detection alarming and the like, and can realize real-time monitoring of an on-site state of the bank self-service kiosk, make various linkage responses for the on-site state and realize real-time alarm processing; remote networking control and 24-hour unattended operation of power utilization equipment save a large amount of manpower and material resources for banks, avoid waste of social resources, and provide a safe and reliable operation environment for users. The protective system is not limited by the structural size of the bank self-service kiosk, so that the protective system can be applied to bank self-service kiosks with different structural sizes.