Patents by Inventor Peter Mailandt
Peter Mailandt 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).
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Patent number: 9293804Abstract: An antenna includes a first radiating array coupled to the mast and a second radiating array coupled to the mast. Each of the first and second radiating arrays comprises a plurality of dipoles associated with a radiation frequency, each dipole coupled to the mast by a standoff. The two arrays are mounted approximately opposite to each other relative to the mast, rather than one array on top of the other array. The antenna may be part of a Positive Train Control (PTC) system and be disposed in proximity to a train track.Type: GrantFiled: March 25, 2013Date of Patent: March 22, 2016Assignee: DBSPECTRA, INC.Inventors: Peter Mailandt, Lalit N. Raina, Divyesh Patel, Eddie Soulatha
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Publication number: 20140285390Abstract: An antenna includes a first radiating array coupled to the mast and a second radiating array coupled to the mast. Each of the first and second radiating arrays comprises a plurality of dipoles associated with a radiation frequency, each dipole coupled to the mast by a standoff. The two arrays are mounted approximately opposite to each other relative to the mast, rather than one array on top of the other array. The antenna may be part of a Positive Train Control (PTC) system and be disposed in proximity to a train track.Type: ApplicationFiled: March 25, 2013Publication date: September 25, 2014Applicant: dbSpectra, Inc.Inventors: Peter Mailandt, Lalit N. Raina, Divyesh Patel, Eddie Soulatha
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Patent number: 8421701Abstract: An antenna element for use in an antenna assembly is provided. The antenna element includes a cylindrical tube. The antenna element also includes a plurality of fingers, each finger having a first end that is connected to the cylindrical tube and a second end that is free. Each finger protrudes inward from a wall of the cylindrical tube. The free end of each finger has an aperture configured to allow the finger to be soldered to a pipe disposed through a generally circular opening. An antenna assembly having at least one antenna element is also provided.Type: GrantFiled: April 21, 2010Date of Patent: April 16, 2013Assignee: dcSpectra, Inc.Inventor: Peter Mailandt
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Publication number: 20100309082Abstract: An antenna element for use in an antenna assembly is provided. The antenna element includes a cylindrical tube. The antenna element also includes a plurality of fingers, each finger having a first end that is connected to the cylindrical tube and a second end that is free. Each finger protrudes inward from a wall of the cylindrical tube. The free end of each finger has an aperture configured to allow the finger to be soldered to a pipe disposed through a generally circular opening. An antenna assembly having at least one antenna element is also provided.Type: ApplicationFiled: April 21, 2010Publication date: December 9, 2010Applicant: dbSpectra, Inc.Inventor: Peter Mailandt
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Patent number: 7639196Abstract: There is provided a cellular antenna allowing mechanical azimuth adjustment in combination with adjustment of one or more other antenna attribute such as electrical down tilt, electrical beam width or electrical azimuth adjustment. An integrated control arrangement is provided which can utilise either serial, wireless or RF feed lines to convey communications. A multiband embodiment provides azimuth adjustment for both bands by utilising mechanical and electrical azimuth adjustment. Systems incorporating such antennas and methods of controlling them are also provided.Type: GrantFiled: April 6, 2006Date of Patent: December 29, 2009Assignee: Andrew LLCInventors: Robert Douglas Elliot, Martin L. Zimmerman, Kevin Eldon Linehan, Peter Bruce Graham, Peter Mailandt, Louis John Meyer, Philip Sorells, Andrew Thomas Gray, Ching-Shun Yang
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Publication number: 20060244675Abstract: There is provided a cellular antenna allowing mechanical azimuth adjustment in combination with adjustment of one or more other antenna attribute such as electrical down tilt, electrical beam width or electrical azimuth adjustment. An integrated control arrangement is provided which can utilise either serial, wireless or RF feed lines to convey communications. A multiband embodiment provides azimuth adjustment for both bands by utilising mechanical and electrical azimuth adjustment. Systems incorporating such antennas and methods of controlling them are also provided.Type: ApplicationFiled: April 6, 2006Publication date: November 2, 2006Inventors: Robert Elliot, Martin Zimmerman, Kevin Linehan, Peter Graham, Peter Mailandt, Louis Meyer, Philip Sorells, Andrew Gray, Ching-Shun Yang
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Patent number: 6160460Abstract: In one form of the invention, a resonant cavity filter (50) is disclosed, comprising an input port (210) for receiving an input signal, a dielectric resonator (204) in a cavity, the dielectric resonator operable to receive an input signal from the input port and further operable to produce an output signal at a resonant frequency of the cavity, an output port (212) operable to receive the output signal and a tuning plate (308) disposed in the cavity, the tuning plate coupled to a control means operable to cause movement of the tuning plate, thereby changing dimensions of the cavity, the control means operable to determine a frequency of the input signal, retrieve an expected tuning plate position from a memory (514) based on the frequency, and move the tuning plate to the expected position. Other systems, devices and methods are disclosed.Type: GrantFiled: April 13, 1998Date of Patent: December 12, 2000Assignee: Allen Telecom Inc.Inventors: John R. Hicks, David W. Allen, Peter Mailandt
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Patent number: 5917455Abstract: An antenna assembly having an operating frequency and a vertical radiation pattern with a main lobe axis defining a downtilt angle with respect to the earth's surface. The antenna assembly comprises a plurality of antennas in first, second, and third antenna groups disposed along a backplane, the backplane having a longitudinal axis along which the antennas are disposed, and a phase adjustment mechanism disposed between the second and third antenna groups, such that adjustment of the phase adjustment mechanism results in variation of the vertical radiation pattern downtilt angle.Type: GrantFiled: November 13, 1996Date of Patent: June 29, 1999Assignee: Allen Telecom Inc.Inventors: Tan D. Huynh, Peter Mailandt
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Patent number: 5739731Abstract: In one form of the invention, a resonant cavity filter (50) is disclosed, comprising an input port (210) for receiving an input signal, a dielectric resonator (204) in a cavity, the dielectric resonator operable to receive an input signal from the input port and further operable to produce an output signal at a resonant frequency of the cavity, an output port (212) operable to receive the output signal and a tuning plate (308) disposed in the cavity, the tuning plate coupled to a control means operable to cause movement of the tuning plate, thereby changing dimensions of the cavity, the control means operable to determine a frequency of the input signal, retrieve an expected tuning plate position from a memory (514) based on the frequency, and move the tuning plate to the expected position. Other systems, devices and methods are disclosed.Type: GrantFiled: January 18, 1994Date of Patent: April 14, 1998Assignee: Allen Telecom Group, Inc.Inventors: John R. Hicks, David W. Allen, Peter Mailandt
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Patent number: 5724051Abstract: An antenna assembly having a base plate and at least one integrally formed antenna array mounted thereon, the antenna array having a pair of dipole antennas and an elongated transmission line, one of the dipole antennas being integrally formed with each end of the transmission line, with each dipole antenna comprising a pair of oppositely directed, elongated dipole arms, one of the arms being continuous in a direction transverse to its length in plan view and the other of the arms comprising a pair of spaced apart arm elements in a direction transverse to its length in plan view, and for each of the dipole antennas, mounting means integrally formed with each of the pair of dipole arms for securing the antenna array to the antenna assembly. A method of forming the antenna from a blank and by a series of folding steps is also disclosed.Type: GrantFiled: December 19, 1995Date of Patent: March 3, 1998Assignee: Allen Telecom Inc.Inventors: Peter Mailandt, Tan D. Huynh
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Patent number: 5629713Abstract: A horizontally polarized antenna array having extended E-plane beam width, and a method for accomplishing beam width extension. In one embodiment of the invention, an antenna array is provided that comprises a driven dipole element mounted to a conductive means forming a ground plane, the driven dipole element having opposing arms, and a pair of collinear parasitic dipole elements disposed on opposite sides of the driven dipole element, the parasitic dipole elements having opposing arms inclined toward the ground plane such that the opposing arms of each parasitic dipole element are perpendicular to one another.Type: GrantFiled: May 17, 1995Date of Patent: May 13, 1997Assignee: Allen Telecom Group, Inc.Inventors: Peter Mailandt, Tan D. Huynh
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Patent number: 5619217Abstract: An antenna assembly for cellular and PCS systems for mounting on a ceiling or wall surface of a building. The assembly includes a radome covering the antenna and a base, and a concealed mounting assembly including pins having snap retainers secured to the base and snap retainers secured to a bracket fixed to the wall or ceiling.Type: GrantFiled: May 19, 1995Date of Patent: April 8, 1997Assignee: Allen Telecom Group, Inc.Inventors: Peter Mailandt, Ricardo Vazquez
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Patent number: 5572222Abstract: A microstrip patch antenna array incorporating a plurality of spaced-apart patch radiating elements electromagnetically coupled to a microstrip line conductively coupled to a source of signals. Both the spaced-apart patch radiating elements and the microstrip line are located on the same side of an adjacent conductive substrate. The microstrip patch radiating elements are arranged in a linear co-planar array electromagnetically excited by the field created by the air substrated microstrip line passing adjacent thereto.Type: GrantFiled: August 11, 1995Date of Patent: November 5, 1996Assignee: Allen Telecom GroupInventors: Peter Mailandt, Tan D. Huynh
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Patent number: 4964065Abstract: An electronic communication system monitor in one embodiment has sensors for sensing electrical and environmental conditions for communication system elements. Control relays connect the elements to a programmable controller. The programmable controller has a keyboard, display, printer and modem for remote communication of information; especially alarms providing notice of operating conditions outside acceptable parameters. A second embodiment provides a logic circuit connected to selected sensors which determines when a combination of conditions exist to cause alarm and automatically activates a remedial device to alleviate a potential problem.Type: GrantFiled: September 9, 1988Date of Patent: October 16, 1990Assignee: Decibel Products, Inc.Inventors: John R. Hicks, Peter Mailandt
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Patent number: 4823280Abstract: An electric power monitor system for radio communication (trunking and paging repeater base station) systems includes a plurality of input switches, power sensors, a power monitor having a display, keyboard, and microprocessor, a printer port, and communications port. The input switches facilitate alarm inputs, for example, unauthorized entry, flooding, fire, and temperature of the antenna site. The power sensors include bidirectional and unidirectional sensors connected to a communication system having tunable components for producing analog signals indicative of system component performance. The power monitor measures, determines, and reports locally and/or remotely the power output and standing wave ratio of transmitters and antennas, insertion loss of combiners and power to and SWR of antennas and alarms.Type: GrantFiled: March 12, 1987Date of Patent: April 18, 1989Assignee: Decibel Products, Inc.Inventors: Peter Mailandt, John R. Hicks
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Patent number: D321693Type: GrantFiled: March 13, 1989Date of Patent: November 19, 1991Assignee: Alliance Telecommunications Corp.Inventor: Peter Mailandt
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Patent number: D371795Type: GrantFiled: May 19, 1995Date of Patent: July 16, 1996Assignee: Allen Telecom Group, Inc.Inventor: Peter Mailandt
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Patent number: D376367Type: GrantFiled: May 9, 1995Date of Patent: December 10, 1996Assignee: Allen Telecom Group, Inc.Inventor: Peter Mailandt
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Patent number: RE44332Abstract: An antenna assembly having an operating frequency and a vertical radiation pattern with a main lobe axis defining a downtilt angle with respect to the earth's surface. The antenna assembly comprises a plurality of antennas in first, second, and third antenna groups physically disposed along a backplane, the backplane having a longitudinal axis along which the antennas are disposed, and a phase adjustment mechanism disposed electrically connected between the second first and third antenna groups, such that adjustment of the phase adjustment mechanism results in variation of the vertical radiation pattern downtilt angle.Type: GrantFiled: December 29, 2003Date of Patent: July 2, 2013Assignee: Andrew LLCInventors: Peter Mailandt, Tan Huynh