Patents by Inventor Mats CEDERBLAD
Mats CEDERBLAD 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: 11989986Abstract: It is provided a method for determining whether a portable key device is located inside or outside a metal door. The method is performed by a credential communication device and comprises the steps of: obtaining a first time-of-flight, ToF, measurement between a first antenna and the portable key device, wherein the first antenna is located on the outside of the metal door; obtaining a second ToF measurement between a second antenna and the portable key device, wherein the second antenna is located on the inside of the metal door; and determining the portable key device to be located on the outside of the metal door when the first ToF measurement is less than the second ToF measurement by an amount which is greater than a threshold value.Type: GrantFiled: October 7, 2020Date of Patent: May 21, 2024Assignee: ASSA ABLOY ABInventors: Fredrik Einberg, Mats Cederblad, Mattias Haeger
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Patent number: 11852513Abstract: It is provided a sensor device comprising: a proximity sensor (10); a processor (11); a wireless communication module (13); and a memory (14). When the sensor device is in a first functional state (20, 20a, 20b) and the proximity sensor detects a predetermined change in its proximity, the sensor device is configured to transition from the first functional state, in which wireless communication is inactivated, to a second functional state (21), in which wireless communication module is enabled. The predetermined change in its proximity is a removal of transport protection, comprising removal of a metallic tape over the proximity sensor, whereby the proximity sensor is capable to detect the removal of the metallic tape based on inductive sensing.Type: GrantFiled: December 18, 2018Date of Patent: December 26, 2023Assignee: ASSA ABLOY ABInventors: Tomas Jonsson, Mats Cederblad, Johan Von Matern
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Publication number: 20230343156Abstract: It is provided a method for determining whether a portable key device is located inside or outside a metal door. The method is performed by a credential communication device and comprises the steps of: obtaining a first time-of-flight, ToF, measurement between a first antenna and the portable key device, wherein the first antenna is located on the outside of the metal door; obtaining a second ToF measurement between a second antenna and the portable key device, wherein the second antenna is located on the inside of the metal door; and determining the portable key device to be located on the outside of the metal door when the first ToF measurement is less than the second ToF measurement by an amount which is greater than a threshold value.Type: ApplicationFiled: October 7, 2020Publication date: October 26, 2023Inventors: Fredrik EINBERG, Mats CEDERBLAD, Mattias HAEGER
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Publication number: 20230221429Abstract: It is provided a location determiner comprising: a first antenna; a radio signal modification device, wherein the radio signal modification device is configured to improve an ability to determine whether the portable key device is located on a back side or on a front side of the location determiner, based on obtaining a channel impulse response, CIR, of an impulse signal transmitted from the portable key device, wherein the location determiner is installable such that the back side is in a space being restricted by selectively unlockable a physical barrier and the front side is opposite the back side.Type: ApplicationFiled: June 1, 2021Publication date: July 13, 2023Inventors: Mattias HAEGER, Anders SAHLSTRÖM, Fredrik EINBERG, Mats CEDERBLAD
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Publication number: 20230222855Abstract: It is provided a method for determining when a portable key device is located on a front side or on a back side in relation to a barrier secured by an electronic lock. The method is performed in a location determiner and comprises the steps of: obtaining a channel impulse response, CIR, based on an impulse signal transmitted from the portable key device, the CIR being based on a plurality of samples of the impulse signal as received by an antenna being fixedly mounted in relation to the electronic lock; and determining, based on the CIR, whether the portable key device is located on the front side or on the back side.Type: ApplicationFiled: June 1, 2021Publication date: July 13, 2023Inventors: Anders SAHLSTRÖM, Fredrik EINBERG, Mattias HAEGER, Mats CEDERBLAD
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Publication number: 20220309885Abstract: It is provided a sensor device comprising: a vibration detector configured to be provided in contact with a windowpane of a window; a sensor controller; and a cable between the vibration detector and the sensor controller; wherein the vibration detector comprises a piezoelectric sensor that is configured to wake up the sensor controller when a vibration is detected by the piezoelectric sensor.Type: ApplicationFiled: June 16, 2020Publication date: September 29, 2022Inventors: Stefan JOHANSSON, Per MACKEGÅRD, Tomas JONSSON, Mats CEDERBLAD
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Publication number: 20220298828Abstract: It is provided a lock assembly comprising: a striking plate assembly comprising an aperture and a magnetometer arranged in proximity of the aperture; a bolt being displaceable to enable movement through the aperture of the striking plate assembly, the bolt comprising a magnet; and a sensor device for detecting proximate presence of an object, wherein the sensor device is configured to power up the magnetometer when the sensor device detects proximate presence of an object; wherein the lock assembly is configured to detect, using the magnetometer and magnet when the bolt is in a protruded position through the aperture.Type: ApplicationFiled: June 16, 2020Publication date: September 22, 2022Inventors: Mats CEDERBLAD, Tomas JONSSON, Per MACKEGÅRD, Stefan JOHANSSON
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Patent number: 11430324Abstract: A method is provided for controlling an operational state of a sensor device for break-in detection. The method is performed in the sensor device and comprises the steps of: determining, while in a low-power state, that a wake-up condition is true when a vibration measurement associated with a barrier is greater than a wake-up threshold; transitioning, when the wake-up condition is true, to an active state; determining, while in the active state, when an activity condition is true, the activity condition being based on vibration measurements associated with the barrier; increasing the wake-up threshold, and transitioning to the low-power state when the activity condition is not determined to be true within a first duration while in the active state; and decreasing the wake-up threshold, when the sensor device stays in the low-power state longer than a second duration.Type: GrantFiled: October 25, 2019Date of Patent: August 30, 2022Assignee: ASSA ABLOY ABInventors: Tomas Jonsson, Mats Cederblad, Per Mackegård, Stefan Johansson
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Publication number: 20220251874Abstract: It is provided a lock assembly (1) comprising: a striking plate assembly (10) comprising an aperture (12a, 12b); a first communication module (20a); and a bolt (13,14) being displaceable to enable movement through the at least one aperture (12a, 12b) of the striking plate assembly (10), the bolt (13,14) comprising a second communication module (20b); wherein the first communication module (20a) is configured to receive an identity of the bolt (13, 14) by communicating with the second communication module (20b) and wherein wireless signals from one of the first and second communication modules (20a, 20b) powers the other.Type: ApplicationFiled: June 16, 2020Publication date: August 11, 2022Inventors: Mats CEDERBLAD, Tomas JONSSON, Per MACKEGÅRD, Stefan JOHANSSON
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Patent number: 11397096Abstract: It is provided a barrier assembly for determining an extent of opening of an openable barrier. The barrier assembly comprises the openable barrier and barrier frame around the openable barrier; a magnet, a magnetic sensor and a status monitoring device. One of the magnet and the magnetic sensor is provided in the barrier and the other of the magnet and the magnetic sensor is provided in the barrier frame; and the status monitoring device is configured to determine an extent of opening of the openable barrier based on a direction of a magnetic field detected by the magnetic sensor.Type: GrantFiled: October 25, 2019Date of Patent: July 26, 2022Assignee: ASSA ABLOY ABInventors: Tomas Jonsson, Mats Cederblad, Per Mackegård, Stefan Johansson
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Patent number: 11308742Abstract: It is provided an electronic lock for selectively locking a barrier to a surrounding structure. The electronic lock comprises: a locking bolt, a housing comprising metallic material, wherein the housing comprises a through-hole through which the locking bolt can pass; and a wireless communication module. The housing comprises a cut-out forming a slot antenna, wherein the wireless communication module is connected to the housing and thus the slot antenna. The slot antenna is formed on the same surface of the housing through which the locking bolt can pass.Type: GrantFiled: December 18, 2018Date of Patent: April 19, 2022Assignee: ASSA ABLOY ABInventors: Tomas Jonsson, Mats Cederblad, Peter Kjellqvist, Pär Berglund
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Patent number: 11295586Abstract: It is provided a method for determining when a break-in attempt is in process. The method is performed in a break-in determiner and comprises the steps of: determining that a first vibration condition is tme when a vibration parameter associated with a barrier is greater than a first threshold, wherein the first vibration parameter is obtained from measurements from an accelerometer; determining whether an acceptable activity condition is tme or not, such that the acceptable activity condition is true only when there is an auxiliary signal indicating acceptable activity comprising determining that the acceptable activity condition is tme only when a time difference between determining that the first vibration condition is true and receiving the auxiliary signal is less than a threshold duration; and determining that a break-in attempt is in process when the first vibration condition is tme and the acceptable activity condition is false.Type: GrantFiled: December 18, 2018Date of Patent: April 5, 2022Assignee: ASSA ABLOY ABInventors: Tomas Jonsson, Mats Cederblad, Johan Von Matern, Fredrik Isaksson
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Publication number: 20210389172Abstract: It is provided a method for classifying vibrations detected in a structure of a building. The method is performed in a vibration classifier and comprising the steps of: determining a measurement period of a vibration signal; splitting the measurement period in a plurality of sequential sub-periods; calculating, for each one of the sub-periods, a variation indicator of at least one component of the vibration signal; and classifying a source of the vibration signal based on the variation indicators.Type: ApplicationFiled: October 31, 2019Publication date: December 16, 2021Inventors: Tomas JONSSON, Mats CEDERBLAD, Per MACKEGÅRD, Stefan JOHANSSON
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Publication number: 20210383678Abstract: It is provided a method for controlling operational state of a sensor device for break-in detection. The method is performed in the sensor device and comprises the steps of: determining, while in a low-power state, that a wake-up condition is true when a vibration measurement associated with a barrier is greater than a wake-up threshold; transitioning, when the wake-up condition is true, to an active state; determining, while in the active state, when an activity condition is true, the activity condition being based on vibration measurements associated with the barrier; increasing the wake-up threshold, and transitioning to the low-power state when the activity condition is not determined to be true within a first duration while in the active state; and decreasing the wake-up threshold, when the sensor device stays in low-power state longer than a second duration.Type: ApplicationFiled: October 25, 2019Publication date: December 9, 2021Inventors: Tomas JONSSON, Mats CEDERBLAD, Per MACKEGÅRD, Stefan JOHANSSON
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Publication number: 20210372817Abstract: It is provided a barrier assembly for determining an extent of opening of an openable barrier. The barrier assembly comprises the openable barrier and barrier frame around the openable barrier; a magnet, a magnetic sensor and a status monitoring device. One of the magnet and the magnetic sensor is provided in the barrier and the other of the magnet and the magnetic sensor is provided in the barrier frame; and the status monitoring device is configured to determine an extent of opening of the openable barrier based on a direction of a magnetic field detected by the magnetic sensor.Type: ApplicationFiled: October 25, 2019Publication date: December 2, 2021Inventors: Tomas JONSSON, Mats CEDERBLAD, Per MACKEGÅRD, Stefan JOHANSSON
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Publication number: 20200388123Abstract: It is provided a method for determining when a break-in attempt is in process. The method is performed in a break-in determiner and comprises the steps of: determining that a first vibration condition is tme when a vibration parameter associated with a barrier is greater than a first threshold, wherein the first vibration parameter is obtained from measurements from an accelerometer; determining whether an acceptable activity condition is tme or not, such that the acceptable activity condition is true only when there is an auxiliary signal indicating acceptable activity comprising determining that the acceptable activity condition is tme only when a time difference between determining that the first vibration condition is true and receiving the auxiliary signal is less than a threshold duration; and determining that a break-in attempt is in process when the first vibration condition is tme and the acceptable activity condition is false.Type: ApplicationFiled: December 18, 2018Publication date: December 10, 2020Inventors: Tomas JONSSON, Mats CEDERBLAD, Johan VON MATERN, Fredrik ISAKSSON
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Publication number: 20200372737Abstract: It is provided an electronic lock for selectively locking a barrier to a surrounding structure. The electronic lock comprises: a locking bolt, a housing comprising metallic material, wherein the housing comprises a through-hole through which the locking bolt can pass; and a wireless communication module. The housing comprises a cut-out forming a slot antenna, wherein the wireless communication module is connected to the housing and thus the slot antenna. The slot antenna is formed on the same surface of the housing through which the locking bolt can pass.Type: ApplicationFiled: December 18, 2018Publication date: November 26, 2020Inventors: Tomas JONSSON, Mats CEDERBLAD, Peter KJELLQVIST, Pär BERGLUND
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Publication number: 20200362592Abstract: It is provided a striking plate assembly comprising: a striking plate; and a sensor device for detecting a status of a bolt of a lock for a physical barrier, the sensor device comprising a proximity sensor and an antenna; wherein the sensor device is provided such that its proximity sensor is provided displaced, along a longitudinal direction of the striking plate, from a through-hole through which the bolt is intended to pass. The sensor device is provided such that its antenna is directed towards a gap between the striking plate assembly and the physical barrier, when the striking plate assembly is installed.Type: ApplicationFiled: December 18, 2018Publication date: November 19, 2020Inventors: Tomas JONSSON, Mats CEDERBLAD, Johan VON MATERN
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Publication number: 20200355523Abstract: It is provided a sensor device comprising: a proximity sensor (10); a processor (11); a wireless communication module (13); and a memory (14). When the sensor device is in a first functional state (20, 20a, 20b) and the proximity sensor detects a predetermined change in its proximity, the sensor device is configured to transition from the first functional state, in which wireless communication is inactivated, to a second functional state (21), in which wireless communication module is enabled. The predetermined change in its proximity is a removal of transport protection, comprising removal of a metallic tape over the proximity sensor, whereby the proximity sensor is capable to detect the removal of the metallic tape based on inductive sensing.Type: ApplicationFiled: December 18, 2018Publication date: November 12, 2020Inventors: Tomas JONSSON, Mats CEDERBLAD, Johan VON MATERN
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Patent number: 10417848Abstract: It is presented a portable access control communication device comprising: a housing for protecting a key device, the access control communication device; a socket arranged to hold a blade of a key device, the socket comprising a connector for communication with the key device; a cellular radio communication module; and a controller. The controller is arranged to communicate, using the cellular radio communication module, with an access control device over a cellular communication network when a key device is provided in the socket such that there is electric contact between the key device and the socket. A corresponding method, computer program and computer program product area also presented.Type: GrantFiled: July 26, 2018Date of Patent: September 17, 2019Assignee: ASSA ABLOY ABInventors: Anders Borg, Mats Cederblad, Daniel Garmen, Tomas Jonsson, Peter Siklosi