Patents by Inventor Matti Kujala
Matti Kujala 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: 11661308Abstract: The invention relates to a system for generating inspection information of a plurality of signalization elements of an elevator system. The system comprises: an elevator control unit configured to control the plurality of the signalization elements of the elevator system, and a mobile terminal device communicatively coupled to the elevator control unit. The mobile terminal device is configured to generate to the elevator control unit at least one control signal comprising an instruction to activate the plurality of the signalization elements according to a predetermined activation pattern. The elevator control unit is configured to activate the plurality of the signalization elements according to the predetermined activation pattern for generating inspection information in response to receiving the at least one control signal. The invention relates also to for generating inspection information of a plurality of signalization elements of an elevator system.Type: GrantFiled: April 10, 2020Date of Patent: May 30, 2023Assignee: Kone CorporationInventor: Matti Kujala
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Publication number: 20230092565Abstract: Vehicle parking information is used to control an elevator system. The vehicle parking information indicates that at least one parking space is occupied, and one or more elements of the elevator system may be controlled based on the vehicle parking information. An apparatus, a method and a computer program are provided.Type: ApplicationFiled: November 23, 2022Publication date: March 23, 2023Applicant: KONE CorporationInventors: Ari VARELIUS, Antti PERKO, Mika BELOV, Mika KEMPPAINEN, Matti KUJALA, Henry SILVENNOINEN, Antti TUOMINEN
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Patent number: 11155438Abstract: The invention relates to a solution for diagnosing an operational condition of at least one device of an elevator car. The solution comprises the at least one device, an image capturing device, at least one reflective surface arranged to a position in an elevator car forming a path of reflection between the image capturing device and a portion of the at least one device, and a control device, In the solution the at least one device is caused to set the operating state and the image capturing device is configured to capture an image at least on the portion of the at least one device seen by the image capturing device through the at least one reflective surface, the image data is analyzed and based on that the operational condition of the device is concluded.Type: GrantFiled: October 10, 2018Date of Patent: October 26, 2021Assignee: Kone CorporationInventors: Matti Kujala, Eero Putkinen, Matti Naapuri, Markus Nivala, Toni Toivanen, Van Minh Vu
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Publication number: 20200339383Abstract: The invention relates to a system for generating inspection information of a plurality of signalization elements of an elevator system. The system comprises: an elevator control unit configured to control the plurality of the signalization elements of the elevator system, and a mobile terminal device communicatively coupled to the elevator control unit. The mobile terminal device is configured to generate to the elevator control unit at least one control signal comprising an instruction to activate the plurality of the signalization elements according to a predetermined activation pattern. The elevator control unit is configured to activate the plurality of the signalization elements according to the predetermined activation pattern for generating inspection information in response to receiving the at least one control signal. The invention relates also to for generating inspection information of a plurality of signalization elements of an elevator system.Type: ApplicationFiled: April 10, 2020Publication date: October 29, 2020Applicant: Kone CorporationInventor: Matti KUJALA
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Publication number: 20190112152Abstract: The invention relates to a solution for diagnosing an operational condition of at least one device of an elevator car. The solution comprises the at least one device, an image capturing device, at least one reflective surface arranged to a position in an elevator car forming a path of reflection between the image capturing device and a portion of the at least one device, and a control device, In the solution the at least one device is caused to set the operating state and the image capturing device is configured to capture an image at least on the portion of the at least one device seen by the image capturing device through the at least one reflective surface, the image data is analyzed and based on that the operational condition of the device is concluded.Type: ApplicationFiled: October 10, 2018Publication date: April 18, 2019Applicant: Kone CorporationInventors: Matti Kujala, Eero Putkinen, Matti Naapuri, Markus Nivala, Toni Toivanen, Van Minh Vu
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Patent number: 9860648Abstract: Improvement to a sound system for an elevator system and method for implementing the sound system for an elevator. The elevator sound system is improved by replacing at least one loudspeaker to be used in the sound system with a plate-like electrostatic actuator producing a directed sound field. The patent application also contains an independent claim for a method for implementing a sound system for an elevator.Type: GrantFiled: February 2, 2015Date of Patent: January 2, 2018Assignee: Kone CorporationInventors: Kari Pahkala, Matti Kujala
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Patent number: 9374066Abstract: This document discusses, among other things, a resistance multiplier configured to provide a more specific and controllable resistance value, the resistance multiplier including an amplifier configured to control a resistance across a first transistor using a received reference resistance value and to control a resistance across a second transistor using the resistance across the first transistor and a relationship between the first and second transistors.Type: GrantFiled: October 27, 2014Date of Patent: June 21, 2016Assignee: FAIRCHILD SEMICONDUCTOR CORPORATIONInventor: Juha-Matti Kujala
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Patent number: 9235221Abstract: This document discusses apparatus and methods associated with an early warning strobe input of a boost converter. In an example, a method of increasing a set point of a boost converter configured to provide power to a mobile device can include receiving an indication that the mobile device will transition from the first low-power mode to a second higher-power mode; and increasing the set point of the boost converter in response to the indication.Type: GrantFiled: March 14, 2013Date of Patent: January 12, 2016Assignee: FAIRCHILD SEMICONDUCTOR CORPORATIONInventors: Juha Joonas Oikarinen, Juha-Matti Kujala, Jonathan Klein
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Patent number: 9081398Abstract: This document discusses apparatus and methods for a boost converter start-up circuit. In an example, a start-up circuit can include a linear current generator configured to couple a supply terminal of the voltage converter to an output terminal of the voltage converter. The linear current generator can include a modified current mirror and a feedback circuit configured to provide a first representative of an output voltage of the output terminal to an input of each of a first and a second adjustable current source of the modified current mirror.Type: GrantFiled: March 14, 2013Date of Patent: July 14, 2015Assignee: Fairchild Semiconductor CorporationInventors: Juha-Matti Kujala, Juha Joonas Oikarinen
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Patent number: 9069364Abstract: This document discusses, among other things, voltage converters and computed on-time voltage converters. In an example, an on-time generator for a voltage converter can include a timing capacitor configured to provide a timing voltage, a comparator configured to receive the timing voltage and a threshold voltage and to provide the timing signal using a comparison of the timing voltage and the threshold voltage, a current source configured to discharge the timing voltage of the timing capacitor after a start-up delay, and first and second compensation capacitors configured to bias the timing voltage of the timing capacitor to compensate for the start-up delay.Type: GrantFiled: March 14, 2013Date of Patent: June 30, 2015Assignee: Fairchild Semiconductor CorporationInventors: Juha-Matti Kujala, Jouni Mika Kalervo Vuorinen
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Publication number: 20150146896Abstract: Improvement to a sound system for an elevator system and method for implementing the sound system for an elevator. The elevator sound system is improved by replacing at least one loudspeaker to be used in the sound system with a plate-like electrostatic actuator producing a directed sound field. The patent application also contains an independent claim for a method for implementing a sound system for an elevator.Type: ApplicationFiled: February 2, 2015Publication date: May 28, 2015Inventors: Kari PAHKALA, Matti KUJALA
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Publication number: 20150116038Abstract: This document discusses, among other things, a resistance multiplier configured to provide a more specific and controllable resistance value, the resistance multiplier including an amplifier configured to control a resistance across a first transistor using a received reference resistance value and to control a resistance across a second transistor using the resistance across the first transistor and a relationship between the first and second transistors.Type: ApplicationFiled: October 27, 2014Publication date: April 30, 2015Inventor: Juha-Matti Kujala
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Publication number: 20140237308Abstract: An apparatus and method are provided for testing normal circuitry in an integrated circuit, the method including writing test protocols into a plurality of test registers using an enable pin and a switch pin in a first mode, storing a logic high signal in one of the plurality of test registers once the writing is completed, switching from the first mode to a second mode if the one of the plurality of test registers stores the logic high signal, and testing the normal circuitry using the enable pin and the switch pin in the second mode.Type: ApplicationFiled: February 20, 2014Publication date: August 21, 2014Applicant: Fairchild Semiconductor CorporationInventor: Juha-Matti Kujala
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Publication number: 20130249520Abstract: Apparatus and methods of implementing a voltage converter bypass switch, among other things, are discussed herein. In certain examples, a boost converter can include a bypass switch configured to bypass an inductor and a transistor of the boost converter to more directly couple a supply voltage to an output of the boost converter during a bypass mode, and to isolate a supply voltage input from the output during a boost mode of the boost converter.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Applicant: Fairchild Semiconductor CorporationInventors: Juha Joonas Oikarinen, Juha-Matti Kujala, Jonathan Klein
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Publication number: 20130249438Abstract: This document discusses apparatus and methods associated with an early warning strobe input of a boost converter. In an example, a method of increasing a set point of a boost converter configured to provide power to a mobile device can include receiving an indication that the mobile device will transition from the first low-power mode to a second higher-power mode; and increasing the set point of the boost converter in response to the indication.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Applicant: Fairchild Semiconductor CorporationInventors: Juha Joonas Oikarinen, Juha-Matti Kujala, Jonathan Klein
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Publication number: 20130249513Abstract: This document discusses, among other things, apparatus and methods for a boost converter start-up circuit. In an example, a start-up circuit can include a linear current generator configured to couple a supply terminal of the voltage converter to an output terminal of the voltage converter. The linear current generator can include a modified current mirror and a feedback circuit configured to provide a first representative of an output voltage of the output terminal to an input of each of a first and a second adjustable current source of the modified current mirror.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Applicant: Fairchild Semiconductor CorporationInventors: Juha-Matti Kujala, Juha Joonas Oikarinen
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Publication number: 20130249524Abstract: This document discusses, among other things, voltage converters and computed on-time voltage converters. In an example, an on-time generator for a voltage converter can include a timing capacitor configured to provide a timing voltage, a comparator configured to receive the timing voltage and a threshold voltage and to provide the timing signal using a comparison of the timing voltage and the threshold voltage, a current source configured to discharge the timing voltage of the timing capacitor after a start-up delay, and first and second compensation capacitors configured to bias the timing voltage of the timing capacitor to compensate for the start-up delay.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Applicant: Fairchild Semiconductor CorporationInventors: Juha-Matti Kujala, Jouni MiKa Kalervo Vuorinen
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Patent number: 5736692Abstract: A remote controller linkage is established to an elevator system having one or more elevators and using a data transmission network (21) comprising at least one serial communication bus for the transmission of control signals between the operating and/or other devices belonging to the system, car calls, landing calls and other information obtained from and/or generated by the devices included in the elevator system. At least one of the serial communication buses belonging to the data transmission network (21) of the elevator system is connected to a functional unit (3,7,10,13) fitted to receive messages sent to it by a remote controller (1,22). On the basis of the message received, the functional unit (3,7,10,13) transmits into the serial communication bus a message containing at least one control, call or other datum and the bus address of the transmitting functional unit (3,7,10,13).Type: GrantFiled: April 29, 1996Date of Patent: April 7, 1998Assignee: Kone OyInventors: Jorma Lumme, Asko Juntunen, Matti Kujala
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Patent number: 5554832Abstract: A remote controller linkage is established to an elevator system having one or more elevators and using a data transmission network (21) including at least one serial communication bus for the transmission of control signals between the operating and/or other devices belonging to the system, car calls, landing calls and other information obtained from and/or generated by the devices included in the elevator system. At least one of the serial communication buses belonging to the data transmission network (21) of the elevator system is connected to a functional unit (3,7,10,13) fitted to receive messages sent to it by a remote controller (1,22). On the basis of the message received, the functional unit (3,7,10,13) transmits into the serial communication bus a message containing at least one control, call or other datum and the bus address of the transmitting functional unit (3,7,10,13).Type: GrantFiled: March 29, 1995Date of Patent: September 10, 1996Assignee: Kone OyInventors: Jorma Lumme, Asko Juntunen, Matti Kujala
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Patent number: 5141080Abstract: The invention relates to an elevator door opening device designed for opening the car doors and the landing doors. The door opening device comprises a power means and a door coupling apparatus for opening and closing the car and landing doors essentially simultaneously. According to the invention, the door coupling apparatus engages both the car door and the landing door when the car is at a landing, in such manner that its travel during the opening and closing motion of the doors is essentially shorter than the travel of the doors, and that the door coupling apparatus is located outside the area delimited by the landing doorway.Type: GrantFiled: March 20, 1991Date of Patent: August 25, 1992Assignee: Kone Elevator GmbHInventor: Matti Kujala