Patent application number | Description | Published |
20120326987 | LIGHT ACTUATOR FOR MOVABLE BUTTONS ON A KEYPAD - A keypad for use in conjunction with a touch-sensitive panel, the keypad including a frame surrounding a touch-sensitive panel, including a plurality of buttons suspended by the frame above the touch-sensitive panel, each of the buttons including a rigid member that is lowered through the frame when pressure is applied from above, and a resilient body attached to the rigid member and to the frame for raising the rigid member when the pressure from above is released, wherein the rigid members are exposed below the frame. | 12-27-2012 |
20130155027 | OPTICAL TOUCH SCREEN SYSTEMS USING TOTAL INTERNAL REFLECTION - A touch screen, including a layer of light-transmissive material having an upper surface that is exposed for touch by one or more objects, a plurality of light emitters underneath the upper surface, a first lens assembly for directing light beams emitted by the light emitters into the layer at an angle such that the light beams, when entering the layer, remain confined to the layer by total internal reflection when the light beams are not absorbed by any of the objects touching the upper surface, a plurality of light detectors for detecting light beams and for generating outputs indicating the amounts of light detected, a second lens assembly for directing light beams at a surface of the layer towards the light detectors, and a calculating unit for determining respective one or more locations of the one or more objects touching the upper surface, based on outputs of the light detectors. | 06-20-2013 |
20130187891 | RESILIENT LIGHT-BASED TOUCH SURFACE - A light-based touch sensitive device, including a housing, a surface encased in the housing, a layer of elastic material above the surface, a plurality of light pulse emitters mounted in the housing, that transmit light pulses through the layer, a plurality of light pulse receivers mounted in the housing, that receive the light pulses transmitted through the layer, and a calculating unit, mounted in the housing and connected to the receivers, that determines a location of a pointer that touches the layer and creates an impression in the layer, based on outputs of the receivers. | 07-25-2013 |
20140071094 | OPTICAL TOUCH SCREEN USING TOTAL INTERNAL REFLECTION - A method for use by a touch screen in which light transmitted inside the screen is scattered by an object touching the screen from outside the screen, the method including activating emitter-receiver pairs for a plurality of emitters and receivers while an object is touching a screen from outside the screen, wherein light emitted by each emitter is transmitted inside the screen, wherein each emitter is associated with a limited number of receivers that detect significant light from such emitter while no object is touching the screen, and wherein the activated emitter-receiver pairs include pairs for which the receiver is not associated with the emitter in the pair, determining that receivers not associated with emitters detect significant light due to the object scattering the light emitted by the emitters, and deriving the location where the object is touching the screen from the determining. | 03-13-2014 |
Patent application number | Description | Published |
20090097800 | Multi-Fiber Ferrules for Making Physical Contact and Method of Determining Same - A multi-fiber ferrule and optical fibers therein make easier contact with other multi-fiber ferrules and connectors with a small fiber tip radius and a modulus of elasticity. A method for qualifying multi-fiber ferrules (and connectors) is also disclosed. | 04-16-2009 |
20090098760 | TRANSCEIVER HAVING A PHYSICAL SECURITY FEATURE - A secure transceiver system for use with a connector system comprising a set of plugs, each plug having a housing having a front and back orientation and having a front face defining an opening, said ferrule being disposed within said opening, said housing defining a first keying element on said front face around said opening, said keying element for each plug of said set of plugs being different; said secure transceiver system comprising: a set of transceivers, each transceiver having a different receptacle, each receptacle having an opening to receive said plug and a ferrule-receiving portion to receive said ferrule, said ferrule-receiving portion defining a second keying element to cooperate with said first keying element, said second keying element for each receptacle being different and being adapted to cooperate with one and only one of said first keying elements, wherein plugs and receptacles having keying elements that cooperate are mating pairs. | 04-16-2009 |
20090185779 | PROTECTIVE COVER FOR FIELD-INSTALLABLE CONNECTOR - A cap for a field-installable optical connector having a front and rear orientation, a housing, an axially-actuated clamping mechanism in the housing, and a ferrule assembly forward of the clamping mechanism and forwardly biased in the housing, the ferrule assembly comprising a holder and a ferrule extending from the holder, the cap comprising a front end defining a cavity for receiving the ferrule and having an outer surface defining at least part of a front-end geometry, a back end defining an opening through which the ferrule is received and a perimeter around the opening, the perimeter configured to contact the holder when the cap is pushed rearward in the housing, the front and back ends being unitary such that any rearward force on the front end is transferred to the back end and through the perimeter to the holder and a retention portion for contacting the housing to secure the cap to the housing. | 07-23-2009 |
20090271126 | METHOD AND APPARATUS FOR PREDICTING PHYSICAL CONTACT - A method of qualifying a ferrule assembly as being adequate to make physical contact upon application of a certain mating force, said ferrule assembly comprising a ferrule having an mating face and two or more fibers in said ferrule extending from said mating face, said method comprising (a) determining a coplanarity line of the ends of said fibers of said ferrule assembly, (b) determining minus coplanarity, said minus coplanarity being the greatest parallel offset between said coplanarity line and a fiber end below the coplanarity line; and (c) determining whether said ferrule assembly will make physical contact as a function of at least said minus coplanarity and said certain mating force. | 10-29-2009 |
20110271525 | PROTECTIVE COVER FOR FIELD-INSTALLABLE CONNECTOR - A method of terminating a fiber in a connector having a front and rear orientation, a housing, a clamping mechanism in the housing, and a ferrule assembly forward of the clamping mechanism and comprising a holder and a ferrule extending from the holder, the method comprising covering the ferrule with a cap, inserting a fiber into the clamping mechanism from the rear of the connector, and while the cap is on the ferrule, actuating the clamping mechanism to secure the fiber to the connector by urging the cap rearward relative to the clamping mechanism. | 11-10-2011 |
20130202254 | CONNECTOR SYSTEM WITH PHYSICAL SECURITY FEATURES - A connector set of discriminating receptacles and plugs, the connector set comprising a plurality of different receptacles and a plurality of different plugs for optically or electrically coupling with the different receptacles, each different plug having a unique first geometry, each different receptacle having a unique second geometry; wherein each unique first geometry corresponds to one, and only one, unique second geometry such that the plugs and receptacles having corresponding unique first and second geometries in the connector set are mating pairs; wherein each mating pair is marked with a matching visual identification different from the plugs and receptacles having different first and second geometries in the connector set, the visual identification being at least one of color, alphanumerical, or symbol. | 08-08-2013 |
20140161392 | CONNECTOR SYSTEM WITH PHYSICAL SECURITY FEATURE - A receptacle for optically coupling with a plug from a set of plugs, each of the plugs in the set of plugs having a plug housing with a unique front face geometry and a ferrule disposed within the plug housing, the receptacle comprising: a tub having a plurality of walls that define an interior for receiving a plug, said tub interior having a tub interior geometry corresponding to one and only one unique front face geometry and defining by a ferrule guiding portion in the tub, wherein said ferrule guiding portion projects from one or more of the plurality of walls into the tub interior and includes a keying element in a predefined position within said receptacle interior, the keying element preventing mating engagement between the receptacle and the plugs of the set of plugs except for the plug having said corresponding unique front face geometry. | 06-12-2014 |
20140161401 | FIELD-INSTALLABLE OPTICAL SLICE - An optical splice for optically coupling two fibers, the splice comprising: (a) a housing having two ends and defining a reservoir; (b) a fiber clamp for clamping two fibers together disposed in the housing; (c) two cable clamps, one on each end of the housing, the cable clamps comprising a purchase point for anchoring strength members of the fibers, the purchase point being operatively connected to the housing; and (d) a sealant in the reservoir, the sealant adapted to engulf and adhere to a fiber extending from each cable clamp to the fiber clamp. | 06-12-2014 |
20140219610 | CONNECTOR SYSTEM WITH PHYSICAL SECURITY FEATURE - A connector system comprising a set of plug housings, each plug housing having a front face and defining a first keying element at least partially on the front face, the first keying element of each plug housing in the set of plug housings being different, a set of receptacles, each receptacle being an adapter configured to connect two plugs together, each receptacle defining a front opening and a second keying element projecting from at least one interior surface of the receptacle into the front interior space of the receptacle, the second keying element of the each receptacle of the set of receptacles being different and being adapted to cooperate with the first keying element of one and only one plug housing of the set of plug housings such that each receptacle of the set of receptacles mates with only one plug housing of the set of plug housings. | 08-07-2014 |
20140233892 | CONNECTOR SYSTEM WITH PHYSICAL SECURITY FEATURE - A receptacle for optically coupling with a plug from a set of plugs, each of the plugs in the set of plugs having a plug housing with a unique front face geometry and a ferrule disposed within the plug housing, the receptacle comprising: a tub having a plurality of walls that define an interior for receiving a plug, said tub interior having a tub interior geometry corresponding to one and only one unique front face geometry and defining by a ferrule guiding portion in the tub, wherein said ferrule guiding portion projects from one or more of the plurality of walls into the tub interior and includes a keying element in a predefined position within said receptacle interior, the keying element preventing mating engagement between the receptacle and the plugs of the set of plugs except for the plug having said corresponding unique front face geometry. | 08-21-2014 |
20150043872 | FERRULE WITH PROTRUDING FIBERS - A ferrule assembly comprising: (a) a ferrule body defining a plurality of bores and having an end face having an inner portion and outer portions on opposite sides of said first portion; (b) a plurality fibers disposed in said bores and protruding beyond said end face; and (c) a protruding element on each outer portion, said protruding element having a first or second configuration, in said first configuration, said protruding element comprises a portion of said outer portion that protrudes beyond said inner portion but not as far as said fibers protrude, and in said second configuration, said protruding element comprises at least one fiber in a bore in said outer portion that protrudes beyond any fiber in a bore in said inner portion. | 02-12-2015 |
20150131944 | CONNECTOR SYSTEM WITH PHYSICAL SECURITY FEATURE - A multifiber connector comprising a rectangular-shaped ferrule having a plurality of fibers, alignment structure positioned on a front face of the ferrule, the alignment structure being at least one of alignment pins and pin-receiving holes, a housing defining a ferrule opening, the ferrule opening sized and shaped to accommodate disposition of the ferrule therein, wherein when disposed within the ferrule opening the ferrule extends forward from a front face of the housing; the housing having an outer periphery, wherein the outer periphery is defined by at least a top wall, a bottom wall, and first and second side walls, each of the side walls defining a recess having a curved surface, each recess positioned at an intermediate point along the height of the first and second side walls, and a key on the outer periphery of the housing on at least one of the top wall and the bottom wall, the key being offset to one side of a centerline bisecting the connector into first and second side portions, wherein the key prevents the multifiber connector from mating with a standard adapter which would otherwise mate with the multifiber connector but for the location of the key. | 05-14-2015 |