Abstract: The present invention is adapted to immobilize a vehicle by utilizing a pair of selectively interconnected chocks that are placed fore and aft of a tire. The chocks are preferably used to secure aircraft and/or aircraft ground support equipment from unauthorized motion in airport parking areas.

Abstract: An automated fee collection and ticket dispensing machine is disclosed that is capable of operating under a variety of operating modes. The machine permits users to purchase a variety of passes. The disclosed machine includes printers to produce receipts or passes for services or activities. Payment may be made using credit cards, debit cards or cash. The device is provided with networking means, to allow central control and monitoring of the device. Power for the machine may be provided by hard-wiring the device to conventional AC power lines, by solar panels, by batteries, or a combination of any of these. The user interface includes a video output screen with “touch screen” capability to receive user input, audio output means, and a proximity sensor to activate the machine when a user approaches. Additionally, security means are provided to deter potential thieves or vandals.

Abstract: The present invention is adapted to immobilize a vehicle by utilizing a pair of selectively interconnected chocks that are placed fore and aft of a tire. The chocks are preferably used to secure aircraft from unauthorized motion in airport parking areas.

Abstract: A stimuli-responsive polymer derivative utilizing keto-enol tautomerization. Also disclosed are a simple process for producing an N-acyl(meth)acrylamide derivative which can be used as a monomer for the stimuli-responsive polymer, a process for the production of an intermediate thereof, and an intermediate thus produced.

Abstract: A stimuli-responsive polymer derivative utilizing keto-enol tautomerization. Also disclosed are a simple process for producing an N-acyl(meth)acrylamide derivative which can be used as a monomer for the stimuli-responsive polymer, a process for the production of an intermediate thereof, and an intermediate thus produced.

Abstract: An automated fee collection and ticket dispensing machine is disclosed that is capable of operating under a variety of operating modes. The machine permits users to purchase a variety of passes. The disclosed machine includes printers to produce receipts or passes for services or activities. These receipts and passes may be printed for each specific user, and may feature a machine-readable bar code. The disclosed machine also includes a bar code reader, allowing users to return printed receipts or passes at the machine, and to receive credit for any unused portion. Payment may be made using credit cards, debit cards or cash. The device is provided with networking means, to allow central control and monitoring of the device. Power for the machine may be provided by hard-wiring the device to conventional AC power lines, by solar panels, by batteries, or a combination of any of these. Power consumption is held to a minimum by providing a “sleep” mode.

Abstract: An automated fee collection and ticket dispensing machine is disclosed that is capable of operating under a variety of operating modes. The machine permits users to purchase a variety of passes. The disclosed machine includes printers to produce receipts or passes for services or activities. These receipts and passes may be printed for each specific user, and may feature a machine-readable bar code. The disclosed machine also includes a bar code reader, allowing users to return printed receipts or passes at the machine, and to receive credit for any unused portion. Payment may be made using credit cards, debit cards or cash. The device is provided with networking means, to allow central control and monitoring of the device. Power for the machine may be provided by hard-wiring the device to conventional AC power lines, by solar panels, by batteries, or a combination of any of these. Power consumption is held to a minimum by providing a “sleep” mode.

Abstract: An automated fee collection and ticket dispensing machine is disclosed that is capable of operating under a variety of operating modes. The machine permits users to purchase a variety of passes. The disclosed machine includes printers to produce receipts or passes for services or activities. These receipts and passes may be printed for each specific user, and may feature a machine-readable bar code. The disclosed machine also includes a bar code reader, allowing users to return printed receipts or passes at the machine, and to receive credit for any unused portion. Payment may be made using credit cards, debit cards or cash. The device is provided with networking means, to allow central control and monitoring of the device. Power for the machine may be provided by hard-wiring the device to conventional AC power lines, by solar panels, by batteries, or a combination of any of these. Power consumption is held to a minimum by providing a “sleep” mode.

Abstract: Methods and systems for supplying respiratory oxygen to patients when the patients are inhaling are disclosed. The methods and systems may rely on delivery devices that are selectively placed in fluid communication with either a respiration sensor or a source of oxygen. The methods and systems may actively monitor for exhalations, as well as monitor for oxygen in the oxygen source. The respiration sensor may preferably be a flow sensor.

Abstract: A vehicle immobilizing device adapted for removable interconnection to a vehicle wheel assembly for temporarily immobilizing the vehicle. The vehicle immobilizing device utilizes an outer arm, an inner arm, an engagement dome, a self-positioning tire stop, and a securing mechanism which in combination provides engagement to the vehicle wheel assembly to prevent unauthorized removal.

Abstract: A lead oxide-coated electrode for use in electrolysis is disclosed, which comprises a primary layer comprising platinum and/or platinum oxide, an intermediate layer comprising .alpha.-PbO.sub.2, and a coating layer comprising .beta.-PbO.sub.2 successively coated on a substrate comprising a corrosion resistant metal. The electrode has a strong and durable lead oxide coating firmly bonded to the substrate, does not suffer from passivation, resistance increase, etc. and can be used stably for a long time at high current density. A process for producing the electrode is also disclosed.