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6845 results about "Position sensor" patented technology

A position sensor is any device that permits position measurement. It can either be an absolute position sensor or a relative one (displacement sensor). Position sensors can be linear, angular, or multi-axis.

Wound dressing with vacuum reservoir

A wound dressing apparatus includes a wound dressing member dimensioned for positioning relative to a wound bed. The wound dressing member including an internal vacuum reservoir and has a port in communication with the vacuum reservoir for applying subatmospheric pressure to the vacuum reservoir to facilitate removal of fluid from the wound bed. The wound dressing member includes a visual pressure indicator associated therewith for indicating a level of pressure within the vacuum reservoir. The visual pressure indicator includes color indicia having a plurality of colors corresponding to a condition of the pressure within the vacuum reservoir. The wound dressing member includes a lower absorbent member positionable adjacent the wound bed and an upper member which at least partially defines the vacuum reservoir. At least one of the top member and the lower absorbent member has the visual pressure indicator mounted thereto. The preferred visual pressure indicator includes an electronic position sensor. The visual pressure indicator further includes circuit means and visible alarm means. The circuit means is adapted to actuate the visible alarm means when the position sensor detects a relative positioning of the top member of the wound dressing member to provide a visual indication of the condition of the subatmospheric pressure within the vacuum reservoir.
Owner:SMITH & NEPHEW INC

Unique sensing system and method for reading playing cards

A sensing system for determining the rank and suit of playing cards is disclosed. The system includes a sensing module capable of reading a line of data from a printed image, a position sensor and a hardware component that combines the signals from the sensing module and position sensor, converts the signal to binary values and compares the converted signal to stored signals. The comparisons are correlated to identify card rank and Suit. The system can be used in a playing card delivery shoe used to control the game of baccarat. The shoe may be a customary dealing shoe equipped with a sensing module, or may be a mechanized shoe. The mechanized shoe may comprise a) an area for receiving a first set of playing cards useful in the play of the casino table card game of baccarat; b) first card mover that moves playing cards from the first set to a playing card staging area wherein at least one playing card is staged in an order by which playing cards are removed from the first set of and moved to the playing card staging area; c) second playing card mover that moves playing cards from the playing card staging area to a delivery area wherein playing cards removed from the staging area to the delivery shoe are moved in the same order by which playing cards were removed from the first set of playing cards and moved to the playing card staging area; and d) playing card reading sensors that read at least one playing card value of each playing card separately after each playing card has been removed from the area for receiving the first set of playing cards and before removal from the playing card delivery area One exemplary sensing system is a CIS line scanning system with an associated card position sensor and a FPGA hardware element.
Owner:BALLY GAMING INC

Method and apparatus for automatically transforming functions of computer keyboard keys and pointing devices by detection of hand location

This invention is an ergonomic method and apparatus for integrating the operation of computer keyboards and cursor control devices. It employs hand location detection to determine when the mouse hand is absent from its keyboard typing position or is present at the mouse. A detector output automatically transforms the functions of a set of keyboard keys lying under the non-mouse hand from their original actions into new actions which can include mouse clicks, keyboard shortcuts and macros. These keys usually include the home keys (a s d f, or j k l ;). The new functions are preprogrammed into this set of keys at an inactive level, and do not affect actions unless the hand position sensor detects that the mouse hand is absent from its keyboard typing position or is present at the mouse. This invention allows the non-mouse hand to actuate clicks at the keyboard by using the home keys as click switches, and also makes it possible for the non-mouse hand to type, with a single keystroke, keyboard shortcuts not normally available to it. When the mouse hand returns to the keyboard the keys automatically revert to their default functions. This method increases working speed, reduces the number of trips back and forth between keyboard and mouse, and relieves stress on the mouse hand. It is of special value to persons with carpal tunnel syndrome or Repetitive Strain Injuries. Detection of hand position or location is accomplished by sensors at the keyboard and/or at the pointing device, or by software detection of any data output from the mouse (movement or click) or from any keypress on the mouse side of the keyboard. This invention can be embodied solely as software, as firmware in an external device or keyboard, or as any combination of software and firmware. It essentially converts the non-mouse side of the keyboard into single-key macros: mouse buttons, tool selection keys, and special function keys. It can also be used to temporarily assign an alternate set of actions to mouse motion, mouse buttons and scrolling devices. Optionally this invention includes a floating on-screen palette which serves as an indicator of transformation and provides a map of the new functions. With simultaneous transformation of both a keyset and its corresponding palette, the palette always displays the new functions in the same geometric pattern as the actual layout of the new functions on the keyboard. This enables eye-to-hand pattern transfer for intuitive tool selection via the keyboard without using the mouse.
Owner:CONRAD RICHARD H
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