Patents Assigned to Sure-Fire Electrical Corporation
  • Patent number: 10826243
    Abstract: An electric connector terminal configuration structure includes an insulating body, a terminal set disposed inside a base of the insulating body and including conductive terminals arranged in upper and lower rows, and a circuit board connected to terminal set and including a first contact set and a second ground set. The first contact set is electrically connected to the terminal set, to transmit differential pair signals, ground signals and non-differential pair signals. The second contact set is electrically connected to the first contact set and has the same signal transmission configuration as the first contact set, and in the second contact set, an interval of contacts for transmitting differential pair signals is lower than the interval of a contact for transmitting a ground signal and an adjacent contact for transmitting the differential pair signal, to solve the high frequency impedance matching problem, thereby matching the HDMI 2.1 specification.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: November 3, 2020
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chun-Lai Shen
  • Patent number: 10700455
    Abstract: An electrical connector with improved terminal structure includes an insulative housing, a terminal set including a terminal block mounted in insulative housing and conductive terminals mounted in terminal block with respective front contact endpieces and rear connection endpieces respectively extended out of the opposite front and rear sides of terminal block, and electrical wires respectively electrically connected to rear connection endpieces of conductive terminal. Front contact endpiece has a curved front contact point and a width gradually reduced from terminal block toward the front contact point so that attenuation of transmission noise is more obvious, improved and stable.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: June 30, 2020
    Assignee: SURE-FIRE ELECTRICAL CORPORATION
    Inventor: Chun-Lai Shen
  • Patent number: 10476208
    Abstract: The present discloses illustrates an electric connector. In the electric connector, an abutting part of an insulating body includes two arms extended from two rear sides thereof, and a terminal holder of a terminal set is assembled between the two arms, the terminal holder is be integrally formed with conductive terminals, and the contact parts of the conductive terminals insert into terminal slots of the abutting part, respectively; and, a circuit board is assembled in the concave space formed between the two arms, and the solder parts of the conductive terminals are electrically connected to the first contact set on the upper and lower surfaces of the circuit board. The design of the insulating body in cooperation with the terminal set having decreasing length, can significantly reduce the size of entire electric connector and almost half of the circuit board can be accommodated in the insulating body.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: November 12, 2019
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chun-Lai Shen
  • Patent number: 10396499
    Abstract: An electric connector includes an insulating body which includes terminal slots formed in an abutting chamber inside thereof, and the abutting part includes two arms extended from two opposite rear sides thereof in the same direction, and an accommodation space formed between the two arms; and, a terminal holder integrally formed with the conductive terminals of the terminal set is combined between the two arms, and each conductive terminal has a predetermined length, and includes a contact part inserted through the terminal slot and into the abutting chamber, a solder part disposed behind the contact part and exposed to the accommodation space, and a terminal arm with a given length formed between the contact part and the solder part. The length of the solder part is lower than the length of each arm. The solder parts can be electrically connected to an abutting side of a signal transmission part.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: August 27, 2019
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chun-Lai Shen
  • Patent number: 10345544
    Abstract: A composite optoelectronic HDMI cable having the advantages of low signal attenuation, long distance application, ease of installation and light weight is disclosed. Specifically, a fiber optic bundle unit is provided in the HDMI cable instead of the existing copper wire or alloy conductor, and the overall outer diameter is reduced by half and the weight is reduced by three quarters when compared to the copper wire or alloy conductor. It is very convenient for long-distance use or project laying.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: July 9, 2019
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chun-Lai Shen
  • Patent number: 10241283
    Abstract: The present invention relates to a signal transmission cable with HDMI connectors, and the signal transmission cable uses an optical fiber inside the cable to transmit optical signal. A first HDMI connector comprises a transmission terminal group for transmitting electric signal, and first and second electro-optic conversion modules and a first optical transmission fiber module which all are configured to transmit electric signal, convert electric signal into optical signal, and transmit optical signal to the cable. A second HDMI connector is connected to other end of the cable and comprises a second optical transmission fiber module, first and second photo-electric conversion modules which all are configured to receive the optical signal from the cable, and convert optical signal into electric signal, and a signal terminal group transmitting electric signal. Therefore, the signal transmission cable can provide function of converting and transmitting optical signal and electric signal in bi-direction.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: March 26, 2019
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chun-Lai Shen
  • Patent number: 9620913
    Abstract: The present invention provides a flat optical fiber light-streaming cable, wherein a first connection part conforming to the USB specification is installed on one side of the circuit board on which light emitting diodes is installed, and a plurality of junction points are connected to the signal line set and the electric power line set respectively enveloped by a middle cladding layer, optical fibers respectively corresponding to the LEDs and the transparent outer protective layer wrapped on the peripheries thereof are installed between the signal line set and the electric power line set. When the controller drives LEDs to respectively project light sequentially toward the optical fibers, light can pass through the light spots on the surface and present a stream-wise lighting state demonstrating successive and progressive light chasings sequentially per segment, thereby presenting various dynamic lighting effects such as blinking color, colorful water flow or the like.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: April 11, 2017
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Pin Wang
  • Patent number: 7956290
    Abstract: In high-frequency digital A/V cable having high-frequency signal line sets and low-frequency signal lines arranged in a parallel array, a metal shielding layer is set within an isolation layer inside the outer plastic sheath to surround the two high-frequency signal lines of each high-frequency signal line set for EMI protection, and a metal ground wire is arranged within the outer plastic sheath at one lateral side of the parallel array of the high-frequency signal line sets and low-frequency signal lines in a parallel manner.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: June 7, 2011
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Pin Wang
  • Publication number: 20100236814
    Abstract: In high-frequency digital A/V cable having high-frequency signal line sets and low-frequency signal lines arranged in a parallel array, a metal shielding layer is set within an isolation layer inside the outer plastic sheath to surround the two high-frequency signal lines of each high-frequency signal line set for EMI protection, and a metal ground wire is arranged within the outer plastic sheath at one lateral side of the parallel array of the high-frequency signal line sets and low-frequency signal lines in a parallel manner.
    Type: Application
    Filed: March 20, 2009
    Publication date: September 23, 2010
    Applicant: SURE-FIRE ELECTRICAL CORPORATION
    Inventor: Chang-Pin Wang
  • Patent number: 7714677
    Abstract: A signal adjuster is disclosed to include a first connector and a second connector respectively connected to a signal source and a video display device, a buffer for buffering a high frequency signal, a signal bandwidth detector connected to the buffer for detecting the continuation condition of the high frequency signal, an adjustable equalizer connected between the buffer and the second connector and connected with the signal bandwidth detector for actively adjusting signal strength of the high frequency signal subject to the detection of the signal bandwidth detector, an amplifier for amplifying the enhanced high frequency signal from the adjustable equalizer, and a driver for driving the second connector to output the amplified high frequency signal from the amplifier to the video display device.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: May 11, 2010
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Pin Wang
  • Publication number: 20100084157
    Abstract: A low-capacitance, interference-free, stretch-prevention and high tensile strength digital audio video cable practical for a long-distance application is disclosed to include an electrical strand formed of multiple high-frequency transmission lines and low-frequency transmission wires and a filler, a tin foil layer surrounding the electrical strand, a braided layer surrounding the tin foil layer, and an outer plastic sheath surrounding the braided layer. Each high-frequency transmission line includes multiple high-frequency transmission wires that are equal in length and arranged in parallel, an insulation layer surrounding the high-frequency transmission wires, two shielding layers surrounding the insulation layer, and a grounding wire set in between the two shielding layers in a middle position relative to the high-frequency transmission wires.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 8, 2010
    Applicant: SURE-FIRE ELECTRICAL CORPORATION
    Inventor: Chang-Pin Wang
  • Patent number: 7683739
    Abstract: Disclosed is a signal filter assembly, which includes a circuit board electrically connected between a cable and a high frequency electric connector, and a plurality of filters installed in the circuit board and respectively electrically connected to the signal wires of the transmission wires of the cable, each filter being formed of a parallel circuit of a resistor and a capacitor.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: March 23, 2010
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Ping Wang
  • Patent number: 7637772
    Abstract: A wall plate assembly includes a wall plate with an insertion slot for the installation of a HDMI (High-Definition Multimedia Interface) connector of a HDMI cable and a power plug hole for the insertion of a power plug, a signal amplifier connected to the back side of the wall plate for receiving the installed HDMI connector and amplifying the signal, a support device, which comprises a first support frame vertically adjustably fastened to the wall plate below the insertion slot and a second support frame horizontally adjustably fastened to the first support frame for holding down the installed HDMI connector on the first support frame, and a power connector aimed at the power plug hole for receiving a power plug to provide the signal amplifier with the necessary working voltage.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: December 29, 2009
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Pin Wang
  • Publication number: 20090264011
    Abstract: A high frequency digital A/V cable connector assembly includes a cable connector, which is connectable to an electronic apparatus and has first and second conducting terminals arranged in two horizontal rows, an adapter board, which has first metal contacts and jumper circuits arranged on the top side for the bonding of the first conducting terminals of the cable connector, second metal contacts arranged on the bottom side for the bonding of the second conducting terminals of the cable connector and respectively electrically connected to the jumper circuits, and bonding contacts electrically connected with the first metal contacts and the jumper circuits, and a cable, which has core wires respectively bonded to the jumper circuits.
    Type: Application
    Filed: October 20, 2008
    Publication date: October 22, 2009
    Applicant: SURE-FIRE ELECTRICAL CORPORATION
    Inventor: Chang-Pin Wang
  • Publication number: 20090260869
    Abstract: A high frequency digital A/V cable assembly includes a high frequency digital A/V cable, which comprises a plurality of core wires arranged in a parallel array, an insulation layer surrounding each core wire, a shielding layer surrounding the insulation layer at each core wire for isolating electromagnetic interference and an outer plastic sheath surrounding the shielding layer, a high frequency cable connector, and an adapter board electrically connected between the high frequency digital A/V cable and the high frequency cable connector to convert the pin configuration of the high frequency digital A/V cable into match with the high frequency cable connector.
    Type: Application
    Filed: October 3, 2008
    Publication date: October 22, 2009
    Applicant: SURE-FIRE ELECTRICAL CORPORATION
    Inventor: Chang-Pin Wang
  • Patent number: 7549894
    Abstract: A wall plate assembly includes a wall plate having an insertion slot, and a signal adapter that is affixed to the back side of the wall plate and has a HDMI jack attached to the insertion slot of the wall plate for receiving a HDMI plug of a HDMI cable and an adapter module with RJ type module jacks electrically connected to the HDMI jack for the connection of RJ type cables for long distance signal transmission without signal attenuation.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: June 23, 2009
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Pin Wang
  • Publication number: 20090156054
    Abstract: A wall plate assembly includes a wall plate having an insertion slot, and a signal adapter that is affixed to the back side of the wall plate and has a HDMI jack attached to the insertion slot of the wall plate for receiving a HDMI plug of a HDMI cable and an adapter module with RJ type module jacks electrically connected to the HDMI jack for the connection of RJ type cables for long distance signal transmission without signal attenuation.
    Type: Application
    Filed: December 13, 2007
    Publication date: June 18, 2009
    Applicant: SURE-FIRE ELECTRICAL CORPORATION
    Inventor: Chang-Pin Wang
  • Patent number: 7530818
    Abstract: A signal adapter box for use to extend the signal transmission distance between a signal source and a video output device is disclosed to include a housing, which has a first opening and a second opening for the insertion of a HDMI plug and a RJ-type plug respectively, a circuit board mounted in the housing, a HDMI jack mounted on the circuit board and abutted against the first opening of the housing for receiving a HDMI plug of a HDMI cable, and RJ-type jacks mounted on the circuit board for signal transmission with the HDMI jack and abutted against the second opening of the housing for receiving a RJ-type plug of a RJ-type transmission cable respectively.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: May 12, 2009
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Pin Wang
  • Publication number: 20090051812
    Abstract: A signal adjuster is disclosed to include a first connector and a second connector respectively connected to a signal source and a video display device, a buffer for buffering a high frequency signal, a signal bandwidth detector connected to the buffer for detecting the continuation condition of the high frequency signal, an adjustable equalizer connected between the buffer and the second connector and connected with the signal bandwidth detector for actively adjusting signal strength of the high frequency signal subject to the detection of the signal bandwidth detector, an amplifier for amplifying the enhanced high frequency signal from the adjustable equalizer, and a driver for driving the second connector to output the amplified high frequency signal from the amplifier to the video display device.
    Type: Application
    Filed: October 28, 2008
    Publication date: February 26, 2009
    Applicant: SURE-FIRE ELECTRICAL CORPORATION
    Inventor: Chang-Pin Wang
  • Patent number: 7374454
    Abstract: A wall plate assembly includes a wall plate with an insertion slot for the installation of a HDMI (High-Definition Multimedia Interface) connector of a HDMI cable, a signal amplifier connected to the back side of the wall plate for receiving the installed HDMI connector and amplifying the signal, and a support device, which comprises a vertical support frame vertically adjustably fastened to the wall plate below the insertion slot and a horizontal support frame horizontally adjustably fastened to the vertical support frame for holding down the installed HDMI connector on the vertical support frame.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: May 20, 2008
    Assignee: Sure-Fire Electrical Corporation
    Inventor: Chang-Ping Wang