Patent application number | Description | Published |
20120189426 | BLADE OUTER AIR SEAL ASSEMBLY AND SUPPORT - An example blade outer air seal support assembly includes a main support member configured to support a blade outer air seal. The main support member extends generally axially between a leading edge portion and a trailing edge portion. The leading edge portion is configured to be slidably received within a groove established by the blade outer air seal. A support tab extends radially from the support member toward the blade outer air seal. The support tab is configured to contact an extension of the blade outer air seal to limit relative axial movement of the blade outer air seal. A gusset spans between the support tab and the support member. An example blade outer air seal assembly includes a blade outer air seal assembly having an inwardly facing surface. A blade path portion of the inwardly facing surface is axially aligned with a tip of a rotating blade. A peripheral portion of the inwardly facing surface is located axially in front of the blade path portion, axially behind the blade path portion, or both. The blade outer air seal assembly establishes cooling paths that terminate at a plurality of apertures established within the inwardly facing surface. The plurality of apertures are locate exclusively within the blade path portion. | 07-26-2012 |
20130051972 | BLADE OUTER AIR SEAL WITH MULTI IMPINGEMENT PLATE ASSEMBLY - A multi impingement plate assembly for a Blade Outer Air Seal (BOAS) includes a first impingement plate which defines a multiple of first impingement plate holes and a second impingement plate attached to the first impingement plate. The second impingement plate includes a platform section spaced away from the multiple of first impingement plate holes to define a plate cavity. | 02-28-2013 |
20140064969 | BLADE OUTER AIR SEAL - An example blade outer air seal assembly for a gas turbine engine includes a main body portion extending along an axis. The main body portion has a radially inward facing surface and at least one radially outward facing surface. A passage is provided in the main body portion between the at least one radially inward facing surface and the at least one radially outward facing surface. The passage has a first portion and a second portion transverse to the first portion, and at least one rib disposed along the axis radially outward of the second portion. | 03-06-2014 |
20140127006 | BLADE OUTER AIR SEAL - A blade outer air seal for a gas turbine engine includes a first side surface, a second side surface, and a wall. The wall extends between the first side surface and the second side surface and has one or more holes formed therein. The holes are spaced from the first side surface and/or the second side surface and have areas between about 0.005% and 0.450% of a surface area of the blade outer air seal. | 05-08-2014 |
20150016954 | BLADE OUTER AIR SEAL ASSEMBLY AND SUPPORT - An blade outer air seal support assembly includes a main support member configured to support a blade outer air seal. The main support member extends generally axially between a leading edge portion and a trailing edge portion. The leading edge portion is configured to be slidably received within a groove established by the blade outer air seal. A support tab extends radially inward from the main support member toward the blade outer air seal. The support tab configured to contact an extension of the blade outer air seal to limit relative axial movement of the blade outer air seal. A gusset spans between the support tab and the main support member. | 01-15-2015 |
20160061113 | ACTIVELY COOLED BLADE OUTER AIR SEAL - A turbine component includes a main body with an upstream end and a downstream end. A cooling passage network is interior to the main body and has multiple cooling passages. A shared passage wall in the cooling passage network includes a cross passage opening connecting each passage partially defined by the shared passage wall. The cross passage further including a pressure balancing feature operable to reduce a local pressure differential in a fluid pressure in each adjacent passage at the cross passage. | 03-03-2016 |
Patent application number | Description | Published |
20120296914 | TEMPORALLY-CORRELATED ACTIVITY STREAMS FOR CONFERENCES - Techniques are provided for capturing events and activities that occur during a conference, generating metadata related to the events, and correlating the metadata with specific points in time, within the conference, at which the corresponding events occurred. The resulting temporally-correlated event metadata may be stored as part of the conference recording, or separate from the conference recording. Once the temporally-correlated event metadata has been stored for a conference, the conference may be indexed based on the metadata. The index may then be used to not only to locate a conference that satisfies specified search criteria, but to identify the points or snippets, within the conference, that correspond to the search criteria. | 11-22-2012 |
20140358936 | TEMPORALLY-CORRELATED ACTIVITY STREAMS FOR CONFERENCES - Techniques are provided for capturing events and activities that occur during a conference, generating metadata related to the events, and correlating the metadata with specific points in time, within the conference, at which the corresponding events occurred. The resulting temporally-correlated event metadata may be stored as part of the conference recording, or separate from the conference recording. Once the temporally-correlated event metadata has been stored for a conference, the conference may be indexed based on the metadata. The index may then be used to not only to locate a conference that satisfies specified search criteria, but to identify the points or snippets, within the conference, that correspond to the search criteria. | 12-04-2014 |
Patent application number | Description | Published |
20090081923 | ROBOTIC GAME SYSTEMS AND METHODS - A vehicle chase game includes a first game object and a second game object. A second game object scans for a projected spot on an overhead surface. The second game object detects the projected spot on the overhead surface and gathers location information based on the detected projected spot. The second game object generates a position of a first game object based on the location information. The second game object transfers the position of the first game object to the chase game application program. The chase game application program selects a behavior based on the position of the first game object, where a goal of the behavior is to drive the second game object to intercept the first game object. The chase game application program sends instructions to the second game object's mechanical and electrical systems to execute the selected behaviors. | 03-26-2009 |
20090082879 | TRANSFERABLE INTELLIGENT CONTROL DEVICE - An integrated intelligent system includes a first intelligent electronic device, a second intelligent electronic device, a transferable intelligent control device (TICD) and a cross product bus. The first intelligent electronic device performs a first function and the second intelligent electronic device performs a second function. The cross product bus couples the first intelligent electronic device to the transferable intelligent control device. The TICD partially controls behaviors of the intelligent electronic device by sending commands over the cross product bus to the first intelligent electronic device and the TICD partially controls behaviors of the second intelligent electronic device to perform the second function. The TICD is first attached to the first intelligent electronic device to partially control the behaviors of the first electronic device, then detached from the first electronic device, and then attached to the second intelligent electronic device to perform the second function. | 03-26-2009 |
20090281661 | APPLICATION OF LOCALIZATION, POSITIONING & NAVIGATION SYSTEMS FOR ROBOTIC ENABLED MOBILE PRODUCTS - A robotic cleaner includes a cleaning assembly for cleaning a surface and a main robot body. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and a width of the cleaning assembly is greater than a width of the main robot body. A robotic cleaning system includes a main robot body and a plurality of cleaning assemblies for cleaning a surface. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and each of the cleaning assemblies is detachable from the main robot body and each of the cleaning assemblies has a unique cleaning function. | 11-12-2009 |
20110153081 | Robotic Floor Cleaning Apparatus with Shell Connected to the Cleaning Assembly and Suspended over the Drive System - A robotic cleaner includes a cleaning assembly for cleaning a surface and a main robot body. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and a width of the cleaning assembly is greater than a width of the main robot body. A robotic cleaning system includes a main robot body and a plurality of cleaning assemblies for cleaning a surface. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and each of the cleaning assemblies is detachable from the main robot body and each of the cleaning assemblies has a unique cleaning function. | 06-23-2011 |
20110160903 | Articulated Joint and Three Points of Contact - A robotic cleaner includes a cleaning assembly for cleaning a surface and a main robot body. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and a width of the cleaning assembly is greater than a width of the main robot body. A robotic cleaning system includes a main robot body and a plurality of cleaning assemblies for cleaning a surface. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and each of the cleaning assemblies is detachable from the main robot body and each of the cleaning assemblies has a unique cleaning function. | 06-30-2011 |
20110162157 | APPARATUS FOR HOLDING A CLEANING SHEET IN A CLEANING IMPLEMENT - Cleaning devices which use cleaning sheets affixed in traps are disclosed. The traps comprise first and second jaws, each comprising base and forward portions, each forward position having a forward surface. The forward portion of the second jaw is flexible in at least a first direction, such as towards a surface over which the device is configured to move. When the second jaw is relaxed, the forward portion of the second jaw is substantially coplanar with the forward portion of the first jaw and the forward surfaces are proximate or touching. When the second jaw is flexed in the first direction (e.g., by the application of a force from a user), the forward surface of the forward portion of the second jaw moves in the first direction, away from the forward surface of the first jaw. This opens a gap through which a portion of a sheet may be inserted. | 07-07-2011 |
20110166707 | SYSTEM FOR LOCALIZATION AND OBSTACLE DETECTION USING A COMMON RECEIVER - A localization and obstacle detection system comprising a first signal projector configured to project a first signal into an environment and a robot configured to move in the environment. The robot comprises a second signal projector configured to project a second signal into the environment; a signal receiver configured to receive the first signal and the second signal; a localizer configured to determine a location of the robot in the environment based at least in part on the received first signal; and a detector configured to determine the presence of an obstacle in the environment based at least in part on the intensity and bearing of the received second signal and without touching the obstacle; wherein the second signal is distinct from the first signal in at least one characteristic. | 07-07-2011 |
20110202175 | Mobile robot for cleaning - A robotic cleaner includes a cleaning assembly for cleaning a surface and a main robot body. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and a width of the cleaning assembly is greater than a width of the main robot body. A robotic cleaning system includes a main robot body and a plurality of cleaning assemblies for cleaning a surface. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and each of the cleaning assemblies is detachable from the main robot body and each of the cleaning assemblies has a unique cleaning function. | 08-18-2011 |
20120267943 | DEBRIS GUARD FOR A WHEEL ASSEMBLY - A wheel assembly with a debris guard is disclosed, the debris guard being configured to prevent hair and thread from winding around an axle and interfering with the operation of the wheel. The debris guard, which is mounted between the wheel and the robot chassis, comprises a spool and a plurality of tines. The spool is positioned between the wheel and chassis to collect debris that would otherwise wind around the axle. In the preferred embodiment, the tines are arrayed in proximity to a gap between the debris guard and the hub in order to inhibit debris from migrating to the axle exposed between the guard and wheel. The debris guard is intended for a wide variety of wheeled devices. | 10-25-2012 |
20140088761 | Proximity Sensing On Mobile Robots - A proximity sensor includes first and second sensors disposed on a sensor body adjacent to one another. The first sensor is one of an emitter and a receiver. The second sensor is the other one of an emitter and a receiver. A third sensor is disposed adjacent the second sensor opposite the first sensor. The third sensor is an emitter if the first sensor is an emitter or a receiver if the first sensor is a receiver. Each sensor is positioned at an angle with respect to the other two sensors. Each sensor has a respective field of view. A first field of view intersects a second field of view defining a first volume that detects a floor surface within a first threshold distance. The second field of view intersects a third field of view defining a second volume that detects a floor surface within a second threshold distance. | 03-27-2014 |
20140257622 | Proximity Sensing On Mobile Robots - A proximity sensor includes first and second sensors disposed on a sensor body adjacent to one another. The first sensor is one of an emitter and a receiver. The second sensor is the other one of an emitter and a receiver. A third sensor is disposed adjacent the second sensor opposite the first sensor. The third sensor is an emitter if the first sensor is an emitter or a receiver if the first sensor is a receiver. Each sensor is positioned at an angle with respect to the other two sensors. Each sensor has a respective field of view. A first field of view intersects a second field of view defining a first volume that detects a floor surface within a first threshold distance. The second field of view intersects a third field of view defining a second volume that detects a floor surface within a second threshold distance. | 09-11-2014 |
20150040332 | SYSTEM AND METHOD FOR AUTONOMOUS MOPPING OF A FLOOR SURFACE - A mobile robot configured to travel across a residential floor or other surface while cleaning the surface with a cleaning pad and cleaning solvent is disclosed. The robot includes a controller for managing the movement of the robot as well as the treatment of the surface with a cleaning solvent. The movement of the robot can be characterized by a class of trajectories that achieve effective cleaning. The trajectories include sequences of steps that are repeated, the sequences including forward and backward motion and optional left and right motion along arcuate paths. | 02-12-2015 |
20150046016 | SYSTEM AND METHOD FOR AUTONOMOUS MOPPING OF A FLOOR SURFACE - A mobile robot configured to travel across a residential floor or other surface while cleaning the surface with a cleaning pad and cleaning solvent is disclosed. The robot includes a controller for managing the movement of the robot as well as the treatment of the surface with a cleaning solvent. The movement of the robot can be characterized by a class of trajectories that achieve effective cleaning. The trajectories include sequences of steps that are repeated, the sequences including forward and backward motion and optional left and right motion along arcuate paths. | 02-12-2015 |
20150128364 | CLEANING PAD - A pad particularly adapted for surface cleaning. The pad includes an absorbent core having the ability to absorb and retain liquid material, and a liner layer in contact with and covering at least one side of the absorbent core. The liner layer has the ability to retain and wick liquid material through the liner layer. Cleaning apparatus containing such pads and methods of using such pads are also described. | 05-14-2015 |
20150128996 | Autonomous Surface Cleaning Robot - A mobile floor cleaning robot includes a body defining a forward drive direction, a drive system, a cleaning system, and a controller. The cleaning system includes a pad holder, a reservoir, a sprayer, and a cleaning system. The pad holder has a bottom surface for receiving a cleaning pad. The reservoir holds a volume of fluid, and the sprayer sprays the fluid forward the pad holder. The controller is in communication with the drive and cleaning systems. The controller executes a cleaning routine that includes driving in the forward direction a first distance to a first location, then driving in a reverse drive direction a second distance to a second location. From the second location, the robot sprays fluid in the forward drive direction but rearward the first location. The robot then drives in alternating forward and reverse drive directions while smearing the cleaning pad along the floor surface. | 05-14-2015 |
20150158174 | MOBILE ROBOT FOR CLEANING - A robotic cleaner includes a cleaning assembly for cleaning a surface and a main robot body. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and a width of the cleaning assembly is greater than a width of the main robot body. A robotic cleaning system includes a main robot body and a plurality of cleaning assemblies for cleaning a surface. The main robot body houses a drive system to cause movement of the robotic cleaner and a microcontroller to control the movement of the robotic cleaner. The cleaning assembly is located in front of the drive system and each of the cleaning assemblies is detachable from the main robot body and each of the cleaning assemblies has a unique cleaning function. | 06-11-2015 |
20150335221 | Cleaning Pad - A pad particularly adapted for surface cleaning. The pad includes an absorbent core having the ability to absorb and retain liquid material, and a liner layer in contact with and covering at least one side of the absorbent core. The liner layer has the ability to retain and wick liquid material through the liner layer. Cleaning apparatus containing such pads and methods of using such pads are also described. | 11-26-2015 |
20160022109 | SYSTEM AND METHOD FOR AUTONOMOUS MOPPING OF A FLOOR SURFACE - A mobile robot configured to travel across a residential floor or other surface while cleaning the surface with a cleaning pad and cleaning solvent is disclosed. The robot includes a controller for managing the movement of the robot as well as the treatment of the surface with a cleaning solvent. The movement of the robot can be characterized by a class of trajectories that achieve effective cleaning. The trajectories include sequences of steps that are repeated, the sequences including forward and backward motion and optional left and right motion along arcuate paths. | 01-28-2016 |
Patent application number | Description | Published |
20090314856 | FAN ORIFICE DISPENSING CLOSURE - A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment. | 12-24-2009 |
20100065588 | DISPENSING CLOSURE HAVING A FLOW CONDUIT WITH KEY-HOLE SHAPE - A dispensing closure has a key-hole shaped flow conduit that provides a sufficient flow restriction to prevent unwanted spurting of the product when the container is initially opened. The dispensing closure includes a closure body with an upper and lower deck, inner and outer skirt, and a flow conduit extending through the upper deck. The outer skirt is configured to mount to a product container. The flow conduit includes including two or more vertically oriented walls and a bottom wall. The bottom wall configured and arranged to be positioned along a horizontal axis. The flow conduit includes one or more entrance orifices having one or more entrance axes and an exit orifice having an exit axis. The entrance axis is stepped or offset from the exit axis whereby the flow conduit provides a non-linear flow path of product from an interior of the closure to an exterior of the closure. | 03-18-2010 |
20100206916 | DISPENSING CLOSURE HAVING A FLOW CONDUIT WITH KEY-HOLE SHAPE - A dispensing closure has a flow conduit that provides a sufficient flow restriction to prevent unwanted spurting of the product when the container is initially opened. The dispensing closure includes a closure body with an upper deck and a flow conduit extending through the upper deck. The flow conduit includes an entry orifice having an entrance axis and an exit orifice having an exit axis. The entrance axis is parallel to, but not co-linear with, the exit axis to provide a non-linear flow path from an interior of the closure to the exterior of the closure. | 08-19-2010 |
20110284590 | DISPENSING CLOSURE HAVING A FLOW CONDUIT WITH KEY-HOLE SHAPE - A dispensing closure has a key-hole shaped flow conduit that provides a sufficient flow restriction to prevent unwanted spurting of the product. The dispensing closure includes a closure body with an upper and lower deck, inner and outer skirt, and a flow conduit extending through the upper deck. The flow conduit includes including two or more vertically oriented walls and a bottom wall. The vertically oriented walls define a fluid trapping area and a partition wall depending downwardly from said upper deck. The bottom wall configured and arranged to be positioned along a horizontal axis. The flow conduit includes one entrance orifice having one entrance axis and an exit orifice having an exit axis. The entrance axis is stepped or offset from the exit axis whereby the flow conduit provides a non-linear flow path of product from an interior of the closure to an exterior of the closure. | 11-24-2011 |
20120000944 | FAN ORIFICE DISPENSING CLOSURE - A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment. | 01-05-2012 |
20130228638 | FAN ORIFICE DISPENSING CLOSURE - A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment. | 09-05-2013 |
20140361050 | FAN ORIFICE DISPENSING CLOSURE - A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment. | 12-11-2014 |
20150217895 | DISPENSING CLOSURE FOR POWDERED PRODUCTS - A dispensing closure for a powdered product that uniquely meters powdered product from a container is disclosed. The dispensing closure includes an upper deck having a dispensing aperture. An inner skirt depends from the upper deck. The inner skirt is adapted to secure to a neck of a container. A tube depends from the upper deck and is sized and dimensioned to reach near the bottom of a container. The tube has a side surface and closed end. A dispensing port is located on the side surface of the tube, near the dispensing aperture. The tube may optionally have an air intake port located on the side surface of the tube near the closed end. | 08-06-2015 |
20150283562 | FAN ORIFICE DISPENSING CLOSURE - A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit has an inner wall extending between the entrance orifice and the exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment. | 10-08-2015 |
20150306607 | FAN ORIFICE DISPENSING CLOSURE - A dispensing closure for a squeeze-type container produces a fan-type spray in a low pressure environment. The dispensing closure includes a closure body having an upper deck and a skirt depending from the upper deck. The skirt is configured and arranged to attach to a product container, such as a squeeze-type container. A flow conduit extends from an interior of the closure body and through the upper deck to provide a flow path from an interior of the closure to an exterior of the closure. The flow conduit has an entrance orifice and an exit orifice. The flow conduit and the closure body are integrally formed. The flow conduit includes a tip portion with an exit orifice defining a shape to provide a fan-type spray in a low pressure environment. | 10-29-2015 |
Patent application number | Description | Published |
20080272792 | Method and Device for Testing of Non-Componented Circuit Boards - The method according to the invention is used to determine deviations of circuit board test points of a series of circuit boards from the CAD data relating to these circuit boards, by scanning the surface of the circuit board by an imaging method and subjecting this image to automatic image analysis so that it may be compared with the CAD data. The CAD data are then suitably corrected so that, with the aid of the corrected CAD data, the circuit board may be tested in a finger tester, with test fingers of the finger tester being controlled on the basis of the deviations found. | 11-06-2008 |
20080272793 | Finger Tester for Testing Unpopulated Printed Circuit Boards and Method for Testing Unpopulated Printed Circuit Boards Using a Finger Tester - The present invention relates to a finger tester for the testing of non-componented printed circuit boards using at least two test fingers ( | 11-06-2008 |
20110199112 | DETERMINATION OF PROPERTIES OF AN ELECTRICAL DEVICE - To determine electrical properties of an electrical device ( | 08-18-2011 |
20110273203 | METHOD FOR THE TESTING OF CIRCUIT BOARDS - The invention relates to a method for the testing of circuit boards using a testing apparatus which has a test set-up for contacting the circuit board test points of a circuit board to be tested. The test set-up has test contact elements in a predetermined regular grid. The method involves the following steps:
| 11-10-2011 |
20140077831 | LINEAR MOTOR FOR A DEVICE FOR TESTING PRINTED CIRCUIT BOARDS AND DEVICE FOR TESTING PRINTED CIRCUIT BOARDS - The invention relates to a linear motor for a device for testing a printed circuit board. The linear motor comprises a stator and a rotor, wherein the stator comprises a row of permanent magnets arranged side by side and alternating in their polarity, and wherein the rotor is formed from a printed circuit board on which conductor paths form magnet coils arranged side by side and each having several windings, which magnet coils, when carrying a current, apply a linear acceleration force to the rotor, so that the rotor is moved relative to the stator, wherein the printed circuit board is folded, so that the several windings of each magnet coil are distributed among several layers of the printed circuit board, which are placed on top of one another by folding the printed circuit board. | 03-20-2014 |
20140266276 | CROSS-BAR UNIT FOR A TEST APPARATUS FOR CIRCUIT BOARDS, AND TEST APPARATUS CONTAINING THE FORMER - A cross-bar unit for a test apparatus for circuit boards having at least one cross-bar spanning a test field in which a circuit board to be tested may be placed, and is configured to hold positioning units for test fingers in a linearly traversable manner so that the test fingers are able to scan at least part of the test field. The cross-bar unit is configured to hold at least two linear guides, independent of one another, for guiding in each case at least one of the positioning units. | 09-18-2014 |