Patents by Inventor Johnson Chiang

Johnson Chiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9579579
    Abstract: A pneumatic driven two-axis motion platform is structurally simple for using two bag-shaped telescopic modules spaced apart and fixed to a foundation base being laid on the ground, and a movable table having a pivotal shaft used for making a pivotal connection with a two-way orthogonal rotator, after completely assembled, the movable table is mounted on the two bag-shaped telescopic modules by such arrangement that the two bag-shaped telescopic modules are symmetrical against the pivotal shaft of the movable table, and the two-way orthogonal rotator is arranged together with the two bag-shaped telescopic modules as an isosceles triangle arrangement; by such structural arrangement, said two-axis motion platform is endowed with two dimensions of rotational freedom when pneumatic inflating or deflating one or both of the two bag-shaped telescopic modules.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: February 28, 2017
    Assignee: INJOY MOTION CORP.
    Inventors: Johnson Chiang, Ping-Lin Wu, Song-Kuei Chang
  • Publication number: 20160310853
    Abstract: A pneumatic driven two-axis motion platform is structurally simple for using two bag-shaped telescopic modules spaced apart and fixed to a foundation base being laid on the ground, and a movable table having a pivotal shaft used for making a pivotal connection with a two-way orthogonal rotator, after completely assembled, the movable table is mounted on the two bag-shaped telescopic modules by such arrangement that the two bag-shaped telescopic modules are symmetrical against the pivotal shaft of the movable table, and the two-way orthogonal rotator is arranged together with the two bag-shaped telescopic modules as an isosceles triangle arrangement; by such structural arrangement, said two-axis motion platform is endowed with two dimensions of rotational freedom when pneumatic inflating or deflating one or both of the two bag-shaped telescopic modules.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 27, 2016
    Inventors: Johnson CHIANG, Ping-Lin WU, Song-Kuei CHANG
  • Patent number: 7811200
    Abstract: A multifunctional virtual-reality fitness equipment provide user to select mode of one user doing exercise alone or multiple users participating in on-line internet competition game with others through internet, which has a detachable interactive manipulator equipped with single-chip microcontroller and served as an interface for coupling conventional fitness equipment and personal computer to enable the conventional fitness equipment to become a novel man-machine interaction fitness equipment having function of internet 3-dimensional virtual simulation, and the communication between the detachable interactive manipulator and the personal computer is achieved by employing male-to-female plug-socket connecting means and according the International Standard Communication Protocol; when the detachable interactive manipulator is connected to a personal computer and a fitness equipment, an automatic detection to software program of personal computer shall be executed, if correct message is detected, the fitness eq
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: October 12, 2010
    Inventor: Johnson Chiang
  • Publication number: 20070064401
    Abstract: A printed circuit board provided with one or more than one memory-embedding seat fixed on one or two sides of the printed circuit board, each memory-embedding seat has a holding compartment for embedding or removing a memory chip; the holding compartment has a conductive pin array on a bottom thereof which conductive pin array comprises a plurality of conductive pin units configured in the form of matrix providing flexibleness and conductive functions; particularly, when memory chips are respectively embedded in the memory-embedding seats on the printed circuit board to form a memory module without the need of SMT, solder pastes or fluxes and in conformity with the requirements of environmental protection; when maintenance or replacement is required, what needs to be done is only remove the damaged memory chips and insert a new memory chips; and when upgrading is required, users can easily change the memory chip with a new memory chips of larger capacity by themselves.
    Type: Application
    Filed: September 16, 2005
    Publication date: March 22, 2007
    Applicant: Lih Duo International Co., Ltd.
    Inventor: Johnson Chiang
  • Patent number: 7124660
    Abstract: A hex-axis horizontal movement dynamic simulator is aimed at Modular Design without hydraulic or pneumatic system but which were conventionally used in the so called Stewart Platform; this dynamic simulator comprises three sets of movement control unit with symmetrical structure located at the positions relative to each other forming three sides of an equilateral triangle, and a load-carrying platform which connected to the three movement control by means of three sets of universal-joint yoke mechanism each relative position located on the load-carrying platform are each other arranged to form as three sides of an equilateral triangle too; with this type of arrangement, this dynamic simulator have a 6-degree of freedom motion when a sets of movement control unit makes different rectilinear motion, the load-carrying platform will generate a combination of spatial translation motion and angular motion.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: October 24, 2006
    Inventor: Johnson Chiang
  • Publication number: 20060063645
    Abstract: A multifunctional virtual-reality fitness equipment provide user to select mode of one user doing exercise alone or multiple users participating in on-line internet competition game with others through internet, which has a detachable interactive manipulator equipped with single-chip microcontroller and served as an interface for coupling conventional fitness equipment and personal computer to enable the conventional fitness equipment to become a novel man-machine interaction fitness equipment having function of internet 3-dimensional virtual simulation, and the communication between the detachable interactive manipulator and the personal computer is achieved by employing male-to-female plug-socket connecting means and according the International Standard Communication Protocol; when the detachable interactive manipulator is connected to a personal computer and a fitness equipment, an automatic detection to software program of personal computer shall be executed, if correct message is detected, the fitness eq
    Type: Application
    Filed: September 8, 2005
    Publication date: March 23, 2006
    Applicant: Yin-Liang LAI
    Inventor: Johnson Chiang
  • Patent number: 6989807
    Abstract: 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: Grant
    Filed: May 19, 2003
    Date of Patent: January 24, 2006
    Assignee: ADD Microtech Corp.
    Inventor: Johnson Chiang
  • Publication number: 20050233810
    Abstract: An interactive share-memory networked simulation system is designed to provide a variety of simulation, supervisory training, and viewer purposes; and the system has share-memory architecture that assigns different priority to different attendees; by according to the priority of the memory access authorities, attendees may read, write, and overwrite the data from the common memory shared by different memory users; such a memory is maintained through network to yield consistent and transparent data to all users. Among the networked computers one computer is used as the server of the entire simulation process, which controls the states as well as the sequence of the simulation game, and rest computers are called the clients; each of the individual clients controls at most one simulator unit, and each simulator unit is preferable mounted on a motion platform to provide the attendee, with the motion cue consistent with the motion in the simulation game.
    Type: Application
    Filed: July 14, 2004
    Publication date: October 20, 2005
    Applicant: Yin-Liang LAI
    Inventor: Johnson Chiang
  • Publication number: 20050179422
    Abstract: A driving voltage detecting device comprises a current controlling circuit connected with a loading in series which supplies an adjustable current and a feedback controlling circuit that generates a controlled signal to said current controlling circuit for keeping the loading current constant by comparing the feedback signal with a reference signal. Two comparators are designed to connect to said controlled signal to determine precisely if the driving voltage being too high or too low when supply a loading with a predetermined current.
    Type: Application
    Filed: February 13, 2004
    Publication date: August 18, 2005
    Applicant: Worldwide International Patent & Trademark Office
    Inventor: Johnson Chiang
  • Publication number: 20040233145
    Abstract: 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: Application
    Filed: May 19, 2003
    Publication date: November 25, 2004
    Applicant: ADD MICROTECH CORP.
    Inventor: Johnson Chiang
  • Publication number: 20040144288
    Abstract: A hex-axis horizontal movement dynamic simulator is aimed at Modular Design without hydraulic or pneumatic system but which were conventionally used in the so called Stewart Platform; this dynamic simulator comprises three sets of movement control unit with symmetrical structure located at the positions relative to each other forming three sides of an equilateral triangle, and a load-carrying platform which connected to the three movement control by means of three sets of universal-joint yoke mechanism each relative position located on the load-carrying platform are each other arranged to form as three sides of an equilateral triangle too; with this type of arrangement, this dynamic simulator have a 6-degree of freedom motion when a sets of movement control unit makes different rectilinear motion, the load-carrying platform will generate a combination of spatial translation motion and angular motion.
    Type: Application
    Filed: July 21, 2003
    Publication date: July 29, 2004
    Inventor: Johnson Chiang
  • Patent number: 6747626
    Abstract: The present invention relates to a source driver circuit (200) for driving a thin film transistor liquid crystal display (TFT-LCD) panel. The source driver circuit (200) provides several different operating modes for the driver to lower the power consumption of a TFT-LCD module while still providing a wide analog voltage range to the liquid crystal display elements. A mode signal (MODE) switches the driver from gray scale to standby mode wherein the internal resistive digital to analog converter (202), decoder/output voltage drivers (210) and output buffer amplifiers (212) are powered down. In addition, only the most significant bit of data corresponding to red, green and blue are transferred to a sample and hold register (206, 208). Output cells (216), substituting for the decoder/output voltage drivers, receive one-bit data from hold registers (208) and provide voltage at the output of the driver circuit (200).
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: June 8, 2004
    Assignee: Texas Instruments Incorporated
    Inventor: Johnson Chiang
  • Publication number: 20020063674
    Abstract: The present invention relates to a source driver circuit (200) for driving a thin film transistor liquid crystal display (TFT-LCD) panel. The source driver circuit (200) provides several different operating modes for the driver to lower the power consumption of a TFT-LCD module while still providing a wide analog voltage range to the liquid crystal display elements. A mode signal (MODE) switches the driver from gray scale to standby mode wherein the internal resistive digital to analog converter (202), decoder/output voltage drivers (210) and output buffer amplifiers (212) are powered down. In addition, only the most significant bit of data corresponding to red, green and blue are transferred to a sample and hold register (206, 208). Output cells (216), substituting for the decoder/output voltage drivers, receive one-bit data from hold registers (208) and provide voltage at the output of the driver circuit (200).
    Type: Application
    Filed: November 27, 2001
    Publication date: May 30, 2002
    Inventor: Johnson Chiang
  • Patent number: 5670850
    Abstract: A circuit (10) and method for reducing a tilt of a video picture on a color monitor includes a circuit (30) for providing an output signal for controlling the vertical position of the scanning beam that includes an MOS transistor (60) having substantially zero current flow in its gate element, and connected to control the magnitude of the output drive signal. In a preferred embodiment, a LinBiCMOS semiconductor manufacturing process is employed to fabricate a plurality of bipolar transistors connected to provide a control voltage on the gate of the MOS transistor (60), which may conveniently be an NMOS device. The bipolar transistors may be connected to form a translinear cell (11) connected to receive a signal (17) related to a horizontal synchronizing signal and to provide a voltage output to the gate of the MOS transistor (60) in response thereto.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: September 23, 1997
    Assignee: Texas Instruments Incorporated
    Inventors: Danny Tsong, Tony Chou, Johnson Chiang
  • Patent number: 5606339
    Abstract: An amplifier (10) and method for controlling a saturation level of a color video signal has a circuit (33) connected to sum respective individual input color video signals to provide a summed output video signal (34). A first amplifier (14) receives one of the individual color video signals (R) as an input and produces an amplified individual color video signal output (15). A second amplifier (30) receives the summed output video signal (34) and produces a reference output signal (35), connected to be added to the amplified individual color video signal output (15). A user adjustable color saturation control circuit (25) controls a gain of the second amplifier (30), and inversely controls a gain of the first amplifier (14). In one embodiment, a contrast control circuit (20) is connected to control the gain of the first amplifier (14) with the user adjustable color saturation control circuit (25) being connected to the contrast control circuit (20) to control the gain of the first amplifier (14).
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: February 25, 1997
    Assignee: Texas Instruments Incorporated
    Inventors: Danny Tsong, Timothy Chiu, Johnson Chiang
  • Patent number: 5461398
    Abstract: A method and circuit (30) for providing drive signals that have a half-tone and fast blanking capability to a video display (20) has a video preamplifier (31) integrated on a semiconductor substrate (35) for receiving an input video signal (14) and for producing an output drive signal (17) to the video display (20). The preamplifier (31) may have a plurality of channels (31', 31") corresponding to each color video signal to be processed. A halftone control circuit (21), also integrated on the semiconductor substrate (35) receives halftone control signals (60) and connected to reduce the drive signal produced by the video preamplifier (31). A fast blanking circuit (22) for receiving fast blanking control signals (80) is also integrated on the semiconductor substrate (35) and is connected to substantially turn off the drive signal produced by the video preamplifier (31).
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: October 24, 1995
    Assignee: Texas Instruments Incorporated
    Inventors: Y. W. Tang, Timothy Chiu, Johnson Chiang