With Details Of Energizing Circuit Patents (Class 340/815.52)
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Patent number: 10884298Abstract: A manufacturing method of a flexible display apparatus is provided. A flexible display panel is formed on the substrate. The flexible display panel has a display area and a bonding area located outside the display area. A driving chip is bonded on the bonding area of the flexible display panel via at least one flexible circuit board. A hot-melt protective layer is formed on the display area and the bonding area of the flexible display panel and a portion of the flexible circuit board. A heating step is performed to soften the hot-melt protective layer. The flexible display panel is separated from the substrate.Type: GrantFiled: January 8, 2019Date of Patent: January 5, 2021Assignee: E Ink Holdings Inc.Inventor: Lih-Hsiung Chan
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Patent number: 8704672Abstract: Methods and systems for indicating a status of an air filter of an HVAC system may include receiving a measure that is related to an amount of flow restriction presented by the air filter in an HVAC system, using the measure to determine whether the air filter does not need replacing, the air filter needs to be replaced soon, or the air filter should be replaced now, and displaying on a display of an HVAC controller an air filter status indicator, wherein the air filter status indicator includes a stop-light metaphor. In one example, the air filter status indicator may display a green color when the air filter does not need replacing, display a yellow color when the air filter needs to be replaced soon, and display a red color when the air filter should be replaced now. In some cases, the air filter status indicator may also include a qualitative term indicative of the current status of the air filter.Type: GrantFiled: June 20, 2011Date of Patent: April 22, 2014Assignee: Honeywell International Inc.Inventors: Steven Hoglund, Reed Bisson, Amy Ragland, Barbara Dean-Hendricks, Christopher Goh, Robert Bick
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Patent number: 7872572Abstract: Systems and methods for vehicle mounted infrared wavelength information displays for traffic camera viewers are disclosed. A method includes obtaining vehicle positioning data associated with at least one vehicle and, based upon the vehicle positioning data, selectively emitting infrared wavelength light from a set of a plurality of light emitting diodes (LEDs) arranged on exterior surfaces of the at least one vehicle.Type: GrantFiled: September 17, 2008Date of Patent: January 18, 2011Assignee: International Business Machines CorporationInventors: Nathan J. Harrington, Harry L. Hoots, III
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Patent number: 7855658Abstract: Provided is a method for controlling light, including retrieving accelerations along an X-axis, a Y-axis, and a Z-axis with a 3-axis accelerometer sensor; matching the retrieved accelerations with RGB values; and transforming the RGB values and displaying a color of the transformed RGB values. The 3-axis accelerometer sensor retrieves the accelerations Ax, Ay, and Az along the X-axis, the Y-axis, and the Z-axis and calculates a velocity Vi along the X-axis, the Y-axis, and the Z-axis using the accelerations Ax, Ay, and Az, with i denoting directions x, y, and z, Vi=Vio+Ait expressing a terminal velocity in the direction i, Vio denoting an initial velocity in the direction i, Ai denoting the acceleration in the direction i, and t denoting time, thereby allowing variation of brightness to be controlled in eight modes.Type: GrantFiled: August 11, 2008Date of Patent: December 21, 2010Inventor: Chris Chang
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Patent number: 7772987Abstract: A lighting control framework is provided. The lighting control framework receives an implicit request from an application. The implicit request is converted into a converted explicit request which is processed to utilize a light of a lighting device.Type: GrantFiled: November 8, 2007Date of Patent: August 10, 2010Assignee: Dell Products L.P.Inventor: Thomas Alexander Shows
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Patent number: 7683801Abstract: An improved portable storage device is disclosed having an interface, a controller in communication with this interface, a memory in communication with the controller, and a light-emitting-diode assembly in communication with the controller. The light-emitting-diode assembly has a first and a second light-emitting-diode element, the first and second light-emitting-diode elements emitting a first and a second color of light, respectively. The first light-emitting-diode element and said second light-emitting-diode element each independently controlled by the controller via pulse-width-modulation, to produce a third color which appears to be in between the first and second colors in wavelength, this third color indicative of the percent completion of an I/O task or the usage of the memory.Type: GrantFiled: May 28, 2007Date of Patent: March 23, 2010Inventor: Tyson York Winarski
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Patent number: 7667577Abstract: An emergency evacuation and fire safety system has a plurality of signal devices. The clock source frequencies are tuned using the method and system such that the signals flash in synchronization continuously at a preset flashing interval upon detecting an alarm condition. A synchronization signal including a calibrated time position is broadcast at each predetermined time interval to all notification appliances. A time difference is computed between a local time position and the received calibrated time position by each of the notification appliances at each predetermined time interval and tuning the flashing of each of the one or more notification appliances by adjusting the preset flashing interval based on the computed time difference by each of the one or more associated notification appliances.Type: GrantFiled: December 6, 2007Date of Patent: February 23, 2010Assignee: SimplexGrinnell LPInventors: Joseph Piccolo, III, Laurent Veilleux, Maxime Fortin, Daniel Lauzon
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Patent number: 7518525Abstract: An LED driver and a display device using the same are disclosed. The LED driver is adapted for driving a first set of LEDs and a second set of LEDs. The LED driver includes an inductor, a main switch, a first switch, a second switch, and a controller. The inductor has a first terminal receiving an input voltage. The main switch is coupled between a second terminal of the inductor and a common level for adjusting a current flowing therethrough. The first switch is coupled between the first set of LEDs and the second terminal of the inductor. The second switch is coupled between the second LEDs and the second terminal of the inductor. The controller is coupled to controlling terminals of the main switch, the first switch, and the second switch respectively for controlling conducting statuses of the main switch, the first switch, and the second switch respectively.Type: GrantFiled: January 15, 2007Date of Patent: April 14, 2009Assignee: ITE Tech. Inc.Inventor: Yi-Chung Chou
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Patent number: 7400261Abstract: To provide a display device, a vehicle-mounted display device, and an electronic device whose chassis are not large with much design freedom. In the present invention, a plurality of light-emitting elements each having a luminescent material sandwiched between a pair of electrodes having transparency, a plurality of liquid crystal elements each having a liquid crystal material sandwiched between a pair of electrodes having transparency are arranged in a display device over a substrate having a mirror surface. Further, a plurality of light-emitting elements each having a luminescent material sandwiched between a pair of electrodes having transparency, a plurality of liquid crystal elements each having a liquid crystal material sandwiched between a pair of electrodes having transparency are arranged in a display device over a substrate having a reflecting surface. The display device is secured to the substrate with a barrier film therebetween.Type: GrantFiled: April 9, 2004Date of Patent: July 15, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yasuko Watanabe, Yuko Tachimura
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Patent number: 7365649Abstract: In one embodiment, a security device is disclosed. The device includes 1) a lighting fixture; 2) a number of lighting elements, mounted to the lighting fixture; and 3) a control circuit, programmed to vary the luminosity and duration of the drive currents provided to each of the number of lighting elements, in accord with an algorithm embedded in the control circuit.Type: GrantFiled: January 12, 2006Date of Patent: April 29, 2008Inventor: Scott Weitzel
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Patent number: 7245228Abstract: A portable electronic apparatus has light sources that can be controlled to produce decorative or informational effects. Each light source is controlled by the combination of an enable signal from a 1-bit port of a controller and a PWM signal from a PWM signal from the controller. Each PWM signal is used to control a plurality of light sources in parallel whereas each 1-bit enabled signal controls, generally, only one. The light sources are preferably arranged to shine through soft structures on the apparatus.Type: GrantFiled: May 27, 2004Date of Patent: July 17, 2007Assignee: Nokia CorporationInventors: Thomas Fussinger, Victor Burger, Maik Kobald, Panu Johansson
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Patent number: 7119707Abstract: A circuit for providing electrical current to an electrically operated bicycle device comprises a current supply circuit that supplies DC current from the power supply to the bicycle device along a current path and a current limiting circuit that includes an active resistance circuit that limits electrical current flowing through the current supply circuit when voltage applied to the current limiting circuit is above a minimum value.Type: GrantFiled: July 10, 2003Date of Patent: October 10, 2006Assignee: Shimano, Inc.Inventor: Kouji Uno
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Patent number: 6989807Abstract: A LED driving device includes a plurality of LEDs, a voltage detecting circuit, and a current switching circuit. When the voltage detecting circuit detects the different voltage level of power source without coupling to a filtering capacitor, it sends a signal to the current switching circuit and then the current switching circuit is automatically activated to electrically rearrange the configuration of LEDs with a predetermined current value by lighting the greatest number of LEDs that improving the power factor and efficiency.Type: GrantFiled: May 19, 2003Date of Patent: January 24, 2006Assignee: ADD Microtech Corp.Inventor: Johnson Chiang
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Patent number: 6825772Abstract: An electroluminescent dashboard control circuit for automobile in which a voltage comparator is used to control the operation of different colors of electroluminescent lamps subject to the voltage level of inputted voice signal received from a microphone, and a switch is used to select full-light or auto operation mode.Type: GrantFiled: April 7, 2003Date of Patent: November 30, 2004Inventors: Wen-Chien Lu, Li-Hong Chien
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Patent number: 6741225Abstract: In order to provide a device for generating an image on an image surface with N×M image elements which can be illuminated individually, comprising a plurality of semiconductor radiation sources, each of which generates radiation with at least one color, an optical imaging means with a beam guidance, by means of which a plurality of image elements can be illuminated with each of the semiconductor radiation sources, with which it is possible to generate an image on an image surface in as simple a manner as possible using radiation sources, it is suggested that the image surface (12) be divided into a plurality of continuous image surface sections (14), each comprising a two-dimensional ensemble of image elements (16), that an illumination unit (20, 220, 320) be associated with each of the image surface sections (14) and that each illumination unit (20, 220, 320) have at least one semiconductor radiation source (30) and at least one optical imaging means (40, 240, 340) of its own associated with this illumType: GrantFiled: October 20, 2000Date of Patent: May 25, 2004Assignee: Deutsches Zentrum fuer Luft- und Raumfahrt e.V.Inventors: Uwe Brauch, Hans Opower
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Patent number: 6693550Abstract: A visual indicator array has (M×N)/2 pairs of indicator devices arranged in a two-dimensional, linear array having M rows and N columns, where M is an integer greater than or equal to two, and N is an integer greater than or equal to one. The array also includes M/2 enable lines, each of which is connected to all of the indicator devices in two of the M rows to deliver enable signals to the indicator devices in the two rows. Likewise, each of N status lines is connected to all of the indicator devices in one of the N columns. Status information is carried by M×N status signals, and each of N selectors is connected to a corresponding one of the status lines. Each of the N selectors receives M of the status signals and selectively applies the M status signals to the corresponding status line one at a time.Type: GrantFiled: June 23, 1999Date of Patent: February 17, 2004Assignee: Intel CorporationInventors: Richard Heiler, Mark Feuerstraeter
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Patent number: 6646547Abstract: A light-producing warning device for skateboard includes a case connected to an underside of a deck of the skateboard for accommodating batteries; a control circuit unit mounted in the case to electrically connect to the batteries and including a switch; a cover closing the case and having a push button provided thereat corresponding to the switch on the control circuit unit; at least one light-emitting element attached to an outer periphery of the deck and connected to wires extended from the switch; and at least one light-transferring strip connected to the light-emitting element and fixed to the outer periphery of the deck with fixing nails and having a plurality of through holes spaced thereon. By pushing the push button to touch the switch, light is emitted by the light-emitting element to pass through the light-transferring strip and form light spots on the spaced through holes to provide good warning effect.Type: GrantFiled: March 13, 2002Date of Patent: November 11, 2003Assignee: Top Rank Enterprise Co., Ltd.Inventor: Cheng-pang Chiu
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Publication number: 20030030567Abstract: A stack light having both steady and flashing light capabilities is disclosed. In an exemplary embodiment, the light stack or signaling light beacon comprises a light module containing a socket for a lamp, circuitry for operating the light module, and a jumper connector connected to the circuitry for selecting between flashing and steady light within the light module.Type: ApplicationFiled: August 13, 2001Publication date: February 13, 2003Inventors: William Hieby Hetzel, Geoffrey Hugh McKay, David James Lesslie, Senya Marie Hiscox Miles, Michael Constantin von Kannewurff, Joseph Patrick Smith
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Publication number: 20020180612Abstract: Status information is provided from an electronic signaling system to an array of N light emitting diodes (LEDs) connected in series between high and low voltage sources, where N≧2, and where N is selected so that the potential difference between the voltage sources is less than the sum of the cut-in voltages of the N LEDs in the array. Control signals are delivered from the electronic signaling system to the LED array over M control lines (N>M≧1), each of which is connected between two of the LEDs in the array. The control signals cause the LEDs to conduct. The control signals are timed so that the LEDs in the array conduct one or two at a time.Type: ApplicationFiled: May 31, 2001Publication date: December 5, 2002Inventor: Eric Crawford
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Publication number: 20020145533Abstract: A high intensity light comprising a plurality of light panels which face in different directions and each of which includes a respective two dimensional array of LEDs, disposed such that the LEDs on each lighting panel act together as a single light source when viewed from a distance.Type: ApplicationFiled: January 30, 2002Publication date: October 10, 2002Inventors: Timothy George Bushell, Michael Christopher Worgan
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Patent number: 6265986Abstract: In a small display system in which the area of each of a display device and a driving device is approximately reduced to the area of an image display part, the display device having the image display part and the driving device having a driving IC for driving the display device can be attached to or detached from each other. Display device-side electrode terminals connected to lines for driving individual display pixels of the display device are provided on the reverse surface of the display device opposite to the image display part. Driving device-side electrode terminals corresponding to the respective display device-side electrode terminals are provided on the display device connecting part of the driving device. When the display device is attached to the driving device, both the driving device-side electrode terminals and the display device-side electrode terminals are electrically connected so that an image can be displayed on the display device by the driving device.Type: GrantFiled: August 3, 1999Date of Patent: July 24, 2001Assignee: Fuji Xerox Co., Ltd.Inventors: Kouichi Oka, Kazuhiro Suzuki, Tomo Baba, Yasuaki Kuwata, Hiroshi Arisawa
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Patent number: 6222459Abstract: The present invention relates to a method of word screen formation by laser light projection and the structure of word formation by laser light projection, and in particular, relates to a plurality of laser production devices arranged in a single column and by rapid reciprocating action of the devices to project multiple columns of light track and form word arrays.Type: GrantFiled: July 22, 1999Date of Patent: April 24, 2001Assignee: Opcom, Inc.Inventor: Chih-Yu Ting