Patents by Inventor John E. DeCramer

John E. DeCramer 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: 8005206
    Abstract: A VDSL splitter device adapted to receive a multi-frequency signal that includes a POTS signal portion and a VDSL signal portion and outputs separate POTS and VDSL signals. The VDSL splitter device includes an input port that receives the multi-frequency signal, a POTS output port, and a VDSL output port. The VDSL splitter also includes a POTS signal conditioning network electrically connected to the input port and the POTS output port. The POTS signal conditioning network receives the multi-frequency signal from the input port and outputs the POTS signal at the POTS output port. The VDSL splitter device also includes a VDSL signal conditioning network electrically connected to the input port and the VDSL output port. The VDSL signal conditioning network includes a voltage blocker and a VDSL high-pass filter, and is adapted to receive the multi-frequency signal from the input port and outputs the VDSL signal at the VDSL output port.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: August 23, 2011
    Assignee: BH Electronics, Inc.
    Inventors: Nathan G. Doose, John E. DeCramer
  • Patent number: 7107666
    Abstract: An ultra-miniature magnetic device generally comprises a conductive winding and a magnetic core. The conductive winding includes an upper conductor and a lower conductor. The magnetic core is of an elongate rectangular or oval shape having two elongate sections and two short sections. The lower conductor is preferably positioned below the elongate sections of the magnetic core while the upper conductor is preferably positioned above the elongate sections of the magnetic core. The lower and upper conductors are electrically connected by conducting via structures that are formed in sequential steps using semiconductor processing technology. The result is a coil winding around the elongate sections, with the short sections being preferably free of windings. The process provides an advantage of avoiding shorting between the via structures and the magnetic core caused by overetching when etching the via holes.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: September 19, 2006
    Assignee: BH Electronics
    Inventors: Fred C. Hiatt, John E. DeCramer, Robert T. Fayfield, Richard J. Rassel
  • Publication number: 20030070282
    Abstract: An ultra-miniature magnetic device generally comprises a conductive winding and a magnetic core. The magnetic core is of an elongate rectangular or oval shape having two elongate sections and two short sections having an easy axis of magnetization on all sections. In an example embodiment, a section of a magnetic core is formed by plating an exposed portion of a substrate that is covered by a photoresist mask. During plating the substrate is subjected to an external magnetic field to provide an easy axis. Another section of the magnetic core is then formed by masking the plated portion and plating the exposed portion of the substrate to form a magnetic core. In a related embodiment, a non-magnetic metallic material layer is interleaved between two magnetic layers to form a high inductance magnetic core.
    Type: Application
    Filed: September 25, 2002
    Publication date: April 17, 2003
    Applicant: BH Electronics, Inc.
    Inventors: Fred C. Hiatt, John E. DeCramer, Robert T. Fayfield
  • Publication number: 20030005569
    Abstract: An ultra-miniature magnetic device generally comprises a conductive winding and a magnetic core. The conductive winding includes an upper conductor and a lower conductor. The magnetic core is of an elongate rectangular or oval shape having two elongate sections and two short sections. The lower conductor is preferably positioned below the elongate sections of the magnetic core while the upper conductor is preferably positioned above the elongate sections of the magnetic core. The lower and upper conductors are electrically connected by conducting via structures that are formed in sequential steps using semiconductor processing technology. The result is a coil winding around the elongate sections, with the short sections being preferably free of windings. The process provides an advantage of avoiding shorting between the via structures and the magnetic core caused by overetching when etching the via holes.
    Type: Application
    Filed: February 15, 2002
    Publication date: January 9, 2003
    Inventors: Fred C. Hiatt, John E. DeCramer, Robert T. Fayfield, Richard J. Rassel
  • Patent number: 6486747
    Abstract: A passive, highly efficient, low noise adapter device includes a balun and noise reduction circuitry uniquely configured to converting an unbalanced signal line on a 50 ohm signal line to a balanced signal on a 100 ohm transmission line or vice versa. The device facilitates the use of commercially available and accepted test equipment for accurate transmission measurements on balanced twisted pairs of cables and connectors. A typical utilization includes an adapter device connected between the 100 ohm twisted pair cable and suitable test equipment such as a network analyzer and/or a signal generator for determining losses in the telephone wire and connectors.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: November 26, 2002
    Assignee: BH Electronics, Inc.
    Inventors: John E. DeCramer, Nathan Doose
  • Publication number: 20020041676
    Abstract: A POTS splitter of the present invention generally include a telephone line interface, a data receiver interface that is connected to the telephone line interface, and a low pass filter that is connected to the telephone line interface. The low pass filter operates to pass only those frequencies that are lower than 4 Khz. And, the entire configuration of a single line POTS splitter is maintainable upon a circuit board that is no greater than 2.0 inches by 1.5 inches, with a maximum depth of 0.630 inches. The POTS splitter is operational in the temperature range of −40° to +70° C.
    Type: Application
    Filed: February 22, 2001
    Publication date: April 11, 2002
    Inventors: John E. DeCramer, Nathan Doose
  • Patent number: 6150896
    Abstract: Disclosed is a passive, highly efficient, low noise coupling device that includes a balun and noise reduction circuitry uniquely configured for converting an unbalanced video signal on a 75 ohm transmission line or connector to a balanced signal on a 100 ohm transmission line or connector and vice versa. The device efficiently allows use of a 100 ohm unshielded twisted pair, such as a conventional telephone cable, for multiplex transmission of video signals or the like in the frequency range of 50 to 500 megahertz. The preferred embodiment has a circuit board with a 75 ohm unbalanced side and a 100 ohm balanced side separated by a balun having a toroid core with a very high permeability. A common mode choke for noise rejection is inserted in the balanced side. A common mode toroid shunt on the device's balanced side provides further noise reduction. An isolation transformer in the device can provide personnel protection and eliminate ground loops.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: November 21, 2000
    Assignee: BH Electronics, Inc.
    Inventors: John E. DeCramer, Franklin Bradley Gass
  • Patent number: 6118354
    Abstract: A multi level splitter device suitable for CATV distribution systems utilizes transformers with bi-multiplefilar windings as well as impedance matching transformers selectively placed and port isolation techniques to provide excellent performance throughout a very broad frequency range. The device may utilize a standard JEDEC surface mount package, for example a 84 pin PLCC package which allows isolation of each of the output port terminals intermediate grounded terminals minimizing output line to output line crosstalk. Further, output line isolation is provided by use of resistors across adjacent "split" output lines.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: September 12, 2000
    Assignee: BH Electronics, Inc.
    Inventors: John E. Decramer, Franklin B. Gass
  • Patent number: 6100772
    Abstract: A passive, highly efficient, low noise adapter device includes a balun and noise reduction circuitry uniquely configured to converting an unbalanced signal line on a 50 ohm signal line to a balanced signal on a 100 ohm transmission line or vice versa. The device facilitates the use of commercially available and accepted test equipment for accurate transmission measurements on balanced twisted pairs of cables and connectors. A typical utilizational includes an adapter device connected between the 100 ohm twisted pair cable and suitable test equipment such as a network analyzer and/or a signal generator for determining losses in the telephone wire and connectors.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: August 8, 2000
    Assignee: BH Electronics, Inc.
    Inventors: John E. Decramer, Nathan Doose
  • Patent number: 5633614
    Abstract: Disclosed is a passive, highly efficient, low noise coupling device that includes a balun and noise reduction circuitry uniquely configured for converting an unbalanced video signal on a 75 ohm transmission line or connector to a balanced signal on a 100 ohm transmission line or connector and vice versa. The device efficiently allows use of a 100 ohm unshielded twisted pair, such as a conventional telephone cable, for multiplex transmission of video signals or the like in the frequency range of 50 to 500 megahertz. The preferred embodiment has a circuit board with a 75 ohm unbalanced side and a 100 ohm balanced side separated by a balun having a toroid core with a very high permeability. A common mode choke for noise rejection is inserted in the balanced side. The choke has a dual toroid core, one core of high permeability and one of low permeability, and has windings with a 100 ohm characteristic impedance. A common mode toroid shunt on the device's balanced side provides further noise reduction.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: May 27, 1997
    Assignee: BH Electronics, Inc.
    Inventor: John E. Decramer
  • Patent number: 5495212
    Abstract: Disclosed is a passive, highly efficient, low noise coupling device that includes a balun and noise reduction circuitry uniquely configured for converting an unbalanced video signal on a 75 ohm transmission line or connector to a balanced signal on a 100 ohm transmission line or connector and vice versa. The device efficiently allows use of a 100 ohm unshielded twisted pair, such as a conventional telephone cable, for multiplex transmission of video signals or the like in the frequency range of 50 to 500 megahertz. The preferred embodiment has a circuit board with a 75 ohm unbalanced side and a 100 ohm balanced side separated by a balun having a toroid core with a very high permeability. A common mode choke for noise rejection is inserted in the balanced side. The choke has a dual toroid core, one core of high permeability and one of low permeability, and has windings with a 100 ohm characteristic impedance. A common mode toroid shunt on the device's balanced side provides further noise reduction.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: February 27, 1996
    Assignee: BH Electronics, Inc.
    Inventor: John E. DeCramer