Patents by Inventor Randy Roberts
Randy Roberts 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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Publication number: 20240140759Abstract: Disclosed is an elevator system, including a hoistway; an elevator car in the hoistway; sensors in the hoistway operationally coupled to the elevator car and configured to capture sensor data indicative of a person being in the hoistway, and a processor configured to determine from the sensor data that the person is in the hoistway; and wherein the elevator car is configured to reduce speed or stop when the processor determines the person is in the hoistway.Type: ApplicationFiled: November 21, 2022Publication date: May 2, 2024Inventors: Appalaraju Marpu, Malleswara Reddy Gutti, Stefan Ey, Javier Muñoz Sotoca, Luis Mena, Peter Herkel, Jan Ruhnke, Felix Donath, Colette Ruden, Randy Roberts, Craig Drew Bogli, Johanna Whitwell, Mustapha Toutaoui, Sylvain Kabre
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Patent number: 11970369Abstract: An elevator system including: an elevator car configured to travel through an elevator shaft; a first guide beam extending vertically through the elevator shaft, the first guide beam comprising a first surface and a second surface opposite the first surface; a propulsion system configured to move the elevator car through the elevator shaft; a first on-board energy management system configured to power the propulsion system, the first on-board energy management system is attached to the propulsion system and configured to travel with the propulsion system.Type: GrantFiled: July 31, 2020Date of Patent: April 30, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Randy Roberts, Richard L. Hollowell
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Patent number: 11964848Abstract: An elevator system includes a hoistway, an elevator car configured to travel in the hoistway, and a pit located at a bottom of the hoistway. A safety chain is configured to enable or disable motion of the elevator car, and a sensor assembly is configured to initiate opening the safety chain to disable motion of the elevator car upon detection of a person in a detection region of the sensor assembly in the hoistway. A test device is configured to test operation of the sensor assembly to detect malfunctioning and/or tampering of operation of the sensor assembly.Type: GrantFiled: June 12, 2023Date of Patent: April 23, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Randy Roberts, Johanna Whitwell, Craig Drew Bogli
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Patent number: 11945690Abstract: An illustrative example embodiment of an elevator compensation assembly includes a tie down mechanism and at least one compensation sheave that has an outer surface configured to engage at least one compensation rope member. At least one damper is associated with the tie down mechanism for resisting vertical movement of the tie down mechanism in at least one direction. At least one detector directly detects vertical movement of the tie down mechanism along the direction and provides an output indicating at least one characteristic of the detected vertical movement.Type: GrantFiled: October 28, 2022Date of Patent: April 2, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Yisug Kwon, Randy Roberts
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Patent number: 11932515Abstract: An illustrative example embodiment of an elevator tension member monitor includes an optoelectronic detector configured to be situated near the elevator tension member. The optoelectronic detector provides an output corresponding to a profile of the elevator tension member. A processor receives the output from the optoelectronic detector and determines whether there are any anomalies in the profile of the elevator tension member. The processor reports any determined anomaly in the profile of the elevator tension member.Type: GrantFiled: April 5, 2021Date of Patent: March 19, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Kyle B. Martin, Randy Roberts
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Patent number: 11912534Abstract: A safety net system is provided for an elevator system that includes an elevator pit. The safety net system includes a sensor and a processor. The sensor is arranged in a plane along a bottom of the elevator pit and is configured to perform sensing to sense an object disposed along the plane and to generate data corresponding to results of the sensing. The processor is operably coupled to the sensor and is configured to analyze the data and to determine whether the data is indicative of a person in the elevator pit based on analysis results.Type: GrantFiled: June 12, 2023Date of Patent: February 27, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Randy Roberts, Johanna Whitwell, Craig Drew Bogli, Kyler Vensel
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Patent number: 11911688Abstract: A game employing user-modifiable game components, such as cards in a collectable card game, employs various features to provide user-modifiability, including sleeves, transparent cards, stickers, and other elements. Electronic versions of the game and various other features are included, including tracking of history associated with such components.Type: GrantFiled: June 2, 2020Date of Patent: February 27, 2024Assignee: WIZARDS OF THE COAST LLCInventors: Frank Gilson, Cormac Russell, Paul Sottosanti, Randy Buehler, Ramon Arjona, Karl Robert Gutschera, Brandon Anthony Bozzi, Aaron Joel Forsythe
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Patent number: 11905142Abstract: An illustrative example method of controlling an elevator situated in a hoistway of a building includes detecting sway of the building, determining characteristics of the detected sway including a plurality of frequencies and associated periods of the sway, determining an expected sway of an elongated member of the elevator system based on the determined characteristics, and controlling at least one of position and movement of an elevator car in the hoistway based on the expected sway.Type: GrantFiled: March 1, 2022Date of Patent: February 20, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Randy Roberts, George Scott Copeland, Luis C. Encinas Carreno, Patricia Derwinski, Cuauhtemoc Castro
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Patent number: 11851305Abstract: A method of operating a safety net system of an elevator system is provided. The method includes installing a sensor in an elevator pit of the elevator system and executing a learning phase of the sensor to verify successful installation of the sensor. The executing of the learning phase includes causing the sensor to sense physical characteristics of a portion of the elevator pit when the elevator pit is known to have certain physical characteristics to generate a background reading, comparing the background reading against a reading associated with known physical characteristics of the portion of the elevator pit and verifying the successful installation of the sensor based on results of the comparing.Type: GrantFiled: June 12, 2023Date of Patent: December 26, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Randy Roberts, Johanna Whitwell, Craig Drew Bogli, Kyler Vensel
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Publication number: 20230356979Abstract: An illustrative example embodiment of an elevator system includes an elevator car that is configured for movement along a path. An elevator car power supply is supported for movement with the elevator car and includes a plurality of power sources. An exchange station near the path is configured to remove, from the elevator car supply, a selected number of the power sources that have a capacity below a selected level and replace each of the removed number of the power sources with a replacement power source having a capacity above the selected level.Type: ApplicationFiled: May 5, 2022Publication date: November 9, 2023Inventors: James Tilsley AUXIER, Randy ROBERTS
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Publication number: 20230234810Abstract: An illustrative example embodiment of system includes at least one detector that detects a horizontal position of elevator roping at a selected vertical location. The detector provides an indication of the horizontal position at the selected vertical location in two dimensions. A processor determines at least an amplitude and a frequency of sway of the elevator roping in each of the two dimensions at the selected vertical location based on the indication from the detector.Type: ApplicationFiled: January 27, 2022Publication date: July 27, 2023Inventors: Randy ROBERTS, George Scott COPELAND, Patricia DERWINSKI
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Patent number: 11673773Abstract: According to an embodiment, an elevator system including: a beam climber system configured to move an elevator car through an elevator shaft by climbing a first guide beam that extends vertically through the elevator shaft, the first guide beam including a first surface and a second surface opposite the first surface, the beam climber system including: a first wheel; a second wheel; a first traction belt wrapped around the first wheel and the second wheel, the first traction belt being in contact with the first surface; and a first electric motor configured to rotate the first wheel, wherein the first traction belt is configured to rotate when the first wheel rotates.Type: GrantFiled: November 7, 2020Date of Patent: June 13, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Justin Billard, Randy Roberts, Kiron Bhaskar, Kyle B. Martin
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Publication number: 20230121073Abstract: An illustrative example embodiment of an elevator includes an elevator car and a drive mechanism connected with the elevator car. The drive mechanism moves with the elevator car in a vertical direction. The drive mechanism includes at least one drive member that is configured to engage a vertical structure near the elevator car, selectively climb along the vertical structure to cause movement of the elevator car, and selectively prevent movement of the elevator car when the drive member remains in a selected position relative to the vertical structure. A biasing mechanism urges the drive member in a direction to engage the vertical structure. The biasing mechanism applies a biasing force based upon a condition of the elevator car. The biasing force changes based upon a change in the condition.Type: ApplicationFiled: November 15, 2022Publication date: April 20, 2023Inventors: Sam Thieu WONG, Kiron BHASKAR, Bruce P. SWAYBILL, Randy ROBERTS, Meghan MASTRIANO
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Publication number: 20230052952Abstract: An illustrative example embodiment of an elevator compensation assembly includes a tie down mechanism and at least one compensation sheave that has an outer surface configured to engage at least one compensation rope member. At least one damper is associated with the tie down mechanism for resisting vertical movement of the tie down mechanism in at least one direction. At least one detector directly detects vertical movement of the tie down mechanism along the direction and provides an output indicating at least one characteristic of the detected vertical movement.Type: ApplicationFiled: October 28, 2022Publication date: February 16, 2023Inventors: Yisug KWON, Randy ROBERTS
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Patent number: 11548758Abstract: Methods and systems for monitoring a dynamic compensation control system of an elevator system are provided. The methods and systems include monitoring a first motion state sensor signal generated by a first motion state sensor, the first motion state sensor associated with an elevator machine, monitoring a second motion state sensor signal generated by a second motion state sensor, the second motion state sensor located on an elevator car, determining an operational status of the second motion state sensor based on an analysis of the first motion state sensor signal and the second motion state sensor signal, and when it is determined that a failure status of the second motion state sensor is present, the method further comprises deactivating a dynamic compensation control mode of operation of the elevator system.Type: GrantFiled: June 5, 2018Date of Patent: January 10, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Randy Roberts, Edward Piedra, Bruce P. Swaybill
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Patent number: 11542123Abstract: An illustrative example embodiment of an elevator system includes a cab configured to accommodate at least one passenger or item inside the cab. A motorized module includes a base, a connector supported on the base and at least one drive member supported on the base. The connector is configured to selectively establish a releasable connection between the motorized module and the cab. The drive member is configured to engage a vertical surface, climb along the vertical surface to selectively cause vertical movement of the base, and selectively prevent movement of the base when the drive member remains in a selected position relative to the vertical surface. At least one motor is associated with the drive member to selectively cause the drive member to climb along the vertical surface. The motorized module is vertically movable independent of the cab when the motorized module is released from the cab.Type: GrantFiled: August 1, 2020Date of Patent: January 3, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Kiron Bhaskar, Sam Thieu Wong, Bruce P. Swaybill, Randy Roberts, Meghan Mastriano, Brad Guilani
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Patent number: 11524873Abstract: According to an embodiment, an elevator system including: a beam climber system configured to move an elevator car through an elevator shaft by climbing a first guide beam that extends vertically through the elevator shaft, the first guide beam including a first surface and a second surface opposite the first surface, the beam climber system including: a first wheel in contact with the first surface; and a first electric motor configured to rotate the first wheel; and a wheel decompression system configured to move the first wheel away from the first guide rail.Type: GrantFiled: October 2, 2020Date of Patent: December 13, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Randy Roberts, Bruce Swaybill, Kiron Bhaskar, Brad Guilani
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Patent number: 11524872Abstract: An illustrative example embodiment of an elevator compensation assembly includes a tie down mechanism and at least one compensation sheave that has an outer surface configured to engage at least one compensation rope member. At least one damper is associated with the tie down mechanism for resisting movement of the tie down mechanism in at least one direction. At least one detector detects movement of the tie down mechanism along the direction and provides an output indicating at least one characteristic of the detected movement.Type: GrantFiled: April 22, 2020Date of Patent: December 13, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Yisug Kwon, Randy Roberts
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Publication number: 20220315385Abstract: An illustrative example embodiment of an elevator tension member monitor includes an optoelectronic detector configured to be situated near the elevator tension member. The optoelectronic detector provides an output corresponding to a profile of the elevator tension member. A processor receives the output from the optoelectronic detector and determines whether there are any anomalies in the profile of the elevator tension member. The processor reports any determined anomaly in the profile of the elevator tension member.Type: ApplicationFiled: April 5, 2021Publication date: October 6, 2022Inventors: Kyle B. MARTIN, Randy ROBERTS
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Publication number: 20220267118Abstract: An illustrative example method of controlling an elevator situated in a hoistway of a building includes detecting sway of the building, determining characteristics of the detected sway including a plurality of frequencies and associated periods of the sway, determining an expected sway of an elongated member of the elevator system based on the determined characteristics, and controlling at least one of position and movement of an elevator car in the hoistway based on the expected sway.Type: ApplicationFiled: March 1, 2022Publication date: August 25, 2022Inventors: Randy Roberts, George Scott Copeland, Luis C. Encinas Carreno, Patricia Derwinski, Cuauhtemoc Castro