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公开(公告)号：AU2021378511B2
公开(公告)日：2024-09-26
申请号：AU2021378511
申请日：2021-11-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： KURZHALS HOLGER J , STALDER MICHAEL H , HJORT PATRICK R T , JOHANSSON MAGNUS S
Abstract: The present disclosure relates to a personal protective device 100, 100', 300, 400, 500 with local voice recognition comprising a voice receiving unit 20, 20', a voice processing unit 30, 30', a command processing unit 40, 40' and a control unit 42, 42'. The present disclosure further relates to a method of processing a voice signal 202, 202' in a personal protective device 100, 100', 300, 400, 500 with local voice recognition comprising the steps of recognizing a voice signal 202, 202' by a microphone 10, 10', transmitting the voice signal 202, 202' to the voice processing unit 30, 30', optionally of an external device 31', processing the received voice signal 202, 202' with the voice processing unit 30, 30' to generate a voice command based on the received voice signal 202, 202', processing the voice command generated from the voice signal 202, 202' and matching it with the command information stored within the voice processing unit 30, 30' to generate a voice command information block, transmitting the voice command information block to the command processing unit 40, 40', processing the voice command information block and matching it with the control information stored within the command processing unit 40, 40' to generate a control command and transmitting the control command to the control unit 42, 42'.
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公开(公告)号：AU2021378511A1
公开(公告)日：2023-06-15
申请号：AU2021378511
申请日：2021-11-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： KURZHALS HOLGER J , STALDER MICHAEL H , HJORT PATRICK R T , JOHANSSON MAGNUS S
Abstract: The present disclosure relates to a personal protective device 100, 100', 300, 400, 500 with local voice recognition comprising a voice receiving unit 20, 20', a voice processing unit 30, 30', a command processing unit 40, 40' and a control unit 42, 42'. The present disclosure further relates to a method of processing a voice signal 202, 202' in a personal protective device 100, 100', 300, 400, 500 with local voice recognition comprising the steps of recognizing a voice signal 202, 202' by a microphone 10, 10', transmitting the voice signal 202, 202' to the voice processing unit 30, 30', optionally of an external device 31', processing the received voice signal 202, 202' with the voice processing unit 30, 30' to generate a voice command based on the received voice signal 202, 202', processing the voice command generated from the voice signal 202, 202' and matching it with the command information stored within the voice processing unit 30, 30' to generate a voice command information block, transmitting the voice command information block to the command processing unit 40, 40', processing the voice command information block and matching it with the control information stored within the command processing unit 40, 40' to generate a control command and transmitting the control command to the control unit 42, 42'.
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公开(公告)号：AU2021406181B2
公开(公告)日：2025-04-03
申请号：AU2021406181
申请日：2021-12-09
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： JOHANSSON MAGNUS S , MANGAM ABEL GLADSTONE , HJORT PATRICK R T , URBAN HENNING T
Abstract: Hearing protection device (10, 10', 10") with an indication unit (40a, 40b) and a detection unit (30, 30', 30") to send a first detection signal, to assign a distance value based on a second detection signal of an external device (50, 50') representing the physical distance to the external device (50, 50') and to control the indication unit (40a, 40b) to provide an indication to the user (100) if the assigned distance value is at or below a predetermined threshold distance value. Thus, a collision may easily and reliably be prevented by providing an indication to the user (100), so that the risk of missing relevant sound of a moving person or object is overcome. A collision warning system comprising such a hearing protection device (10, 10', 10") and an external device is also provided. Furthermore, a method of retrofitting a hearing protection device (10'") with such a detection unit (30, 30', 30") is provided.
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4.发明专利
公开(公告)号：AU2023286077A1
公开(公告)日：2025-01-09
申请号：AU2023286077
申请日：2023-06-15
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： HJERTBERG TIM S , KARLSSON ROBERT , HJORT PATRICK R T , NILSSON JONAS A
Abstract: The present disclosure relates to a hearing protector (10) comprising two earmuffs (12, 14) and a headband (16) for retaining the earmuffs (12, 14) in position when worn by a user (100). At least one of the earmuffs (12, 14) further comprises an active component (30). The hearing protector (10) further comprises a photovoltaic element (80) which is attached to the headband (16) for powering the active component (40A, 40B) and which is electrically connected to the active component (40A, 40B) of the earmuff (12, 14). The present disclosure further relates to a method of retrofitting a hearing protector (10) with a photovoltaic element (80). Such a hearing protector (10) is beneficial as the photovoltaic element (80) provides electric energy to the active component (40A, 40B) of the hearing protector (10) thereby enabling a prolonged operating time and battery life of a battery present at the hearing protector (10), respectively. Also, the energy supply for the active component (40A, 40B) may - depending on the light conditions -partially or entirely be independent of such a battery (30). An increase in safety may be achieved, in particular if the active component (40A, 40B) is safety relevant, i.e. if the active component (30) includes voice communication or gathering ambient data through sensors.
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