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1. 发明授权

US09697706B2 Integrated circuit with single wire haptic vibration control and selective open loop operation 有权
公开(公告)号：US09697706B2
公开(公告)日：2017-07-04
申请号：US14955553
申请日：2015-12-01
申请人： Texas Instruments Incorporated
发明人： Mandy Barsilai , David Hernandez , Mark Stephen Toth
IPC分类号： G08B6/00 , G06F3/01
CPC分类号： G08B6/00 , G06F3/016
摘要： Disclosed examples include methods and circuits to drive a haptic actuator, in which a single input signal from a host device has a first state representing a command to drive the actuator and a second state representing a command to stop the actuator. A control circuit provides a drive control signal to a driver circuit to drive the haptic actuator in response to the control signal transitioning to the first state, and to stop the haptic actuator in response to the control signal transitioning to the second state. A timer circuit places the circuit in a low power mode a predetermined time after the control signal transitions to the second state, or the control circuit places the circuit in the low power mode in response to a feedback signal indicating that the actuator has reached a stopped condition.

2. 发明申请

US20170301196A1 INTEGRATED CIRCUIT WITH SINGLE WIRE HAPTIC VIBRATION CONTROL AND SELECTIVE OPEN LOOP OPERATION 审中-公开
公开(公告)号：US20170301196A1
公开(公告)日：2017-10-19
申请号：US15638975
申请日：2017-06-30
申请人： Texas Instruments Incorporated
发明人： Mandy Barsilai , David Hernandez , Mark Stephen Toth
IPC分类号： G08B6/00 , G06F3/01
CPC分类号： G08B6/00 , G06F3/016
摘要： Disclosed examples include methods and circuits to drive a haptic actuator, in which a single input signal from a host device has a first state representing a command to drive the actuator and a second state representing a command to stop the actuator. A control circuit provides a drive control signal to a driver circuit to drive the haptic actuator in response to the control signal transitioning to the first state, and to stop the haptic actuator in response to the control signal transitioning to the second state. A timer circuit places the circuit in a low power mode a predetermined time after the control signal transitions to the second state, or the control circuit places the circuit in the low power mode in response to a feedback signal indicating that the actuator has reached a stopped condition.

3. 发明申请

US20190339806A1 INTEGRATED FORCE SENSING ELEMENT 审中-公开
公开(公告)号：US20190339806A1
公开(公告)日：2019-11-07
申请号：US16512020
申请日：2019-07-15
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： Wei-Yan Shih , Steve Kummerl , Mark Stephen Toth , Alok Lohia , Terry Lee Sculley , Seung Bae Lee , Scott Robert Summerfelt
IPC分类号： G06F3/041
摘要： An integrated force sensing element includes a piezoelectric sensor formed in an integrated circuit (IC) chip and a strain gauge at least partially overlying the piezoelectric sensor, where the piezoelectric sensor is able to flex. A human-machine interface using the integrated force sensing element is also disclosed and may include a conditioning circuit, temperature gauge, FRAM and a processor core.

4. 发明授权

US10353503B2 Integrated force sensing element 有权
公开(公告)号：US10353503B2
公开(公告)日：2019-07-16
申请号：US14926265
申请日：2015-10-29
申请人： Texas Instruments Incorporated
发明人： Wei-Yan Shih , Steve Kummerl , Mark Stephen Toth , Alok Lohia , Terry Lee Sculley , Seung Bae Lee , Scott Robert Summerfelt
IPC分类号： G06F3/041
摘要： An integrated force sensing element includes a piezoelectric sensor formed in an integrated circuit (IC) chip and a strain gauge at least partially overlying the piezoelectric sensor, where the piezoelectric sensor is able to flex. A human-machine interface using the integrated force sensing element may include a conditioning circuit, temperature gauge, FRAM and a processor core.

5. 发明授权

US11487381B2 Piezoelectric sensor apparatus 有权
公开(公告)号：US11487381B2
公开(公告)日：2022-11-01
申请号：US16512020
申请日：2019-07-15
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： Wei-Yan Shih , Steve Kummerl , Mark Stephen Toth , Alok Lohia , Terry Lee Sculley , Seung Bae Lee , Scott Robert Summerfelt
IPC分类号： G01L1/18 , G06F3/041 , G01L1/16 , G01L1/22
摘要： An integrated force sensing element includes a piezoelectric sensor formed in an integrated circuit (IC) chip and a strain gauge at least partially overlying the piezoelectric sensor, where the piezoelectric sensor is able to flex. A human-machine interface using the integrated force sensing element is also disclosed and may include a conditioning circuit, temperature gauge, FRAM and a processor core.

6. 发明授权

US10013859B2 Integrated circuit with single wire haptic vibration control and selective open loop operation 有权
公开(公告)号：US10013859B2
公开(公告)日：2018-07-03
申请号：US15638975
申请日：2017-06-30
申请人： Texas Instruments Incorporated
发明人： Mandy Barsilai , David Hernandez , Mark Stephen Toth
IPC分类号： G08B6/00 , G06F3/01
CPC分类号： G08B6/00 , G06F3/016
摘要： Disclosed examples include methods and circuits to drive a haptic actuator, in which a single input signal from a host device has a first state representing a command to drive the actuator and a second state representing a command to stop the actuator. A control circuit provides a drive control signal to a driver circuit to drive the haptic actuator in response to the control signal transitioning to the first state, and to stop the haptic actuator in response to the control signal transitioning to the second state. A timer circuit places the circuit in a low power mode a predetermined time after the control signal transitions to the second state, or the control circuit places the circuit in the low power mode in response to a feedback signal indicating that the actuator has reached a stopped condition.

7. 发明申请

US20170123548A1 INTEGRATED FORCE SENSING ELEMENT 审中-公开
公开(公告)号：US20170123548A1
公开(公告)日：2017-05-04
申请号：US14926265
申请日：2015-10-29
申请人： Texas Instruments Incorporated
发明人： Wei-Yan Shih , Steve Kummerl , Mark Stephen Toth , Alok Lohia , Terry Lee Sculley , Seung Bae Lee , Scott Robert Summerfelt
IPC分类号： G06F3/041
CPC分类号： G06F3/0414 , G06F3/0416
摘要： An integrated force sensing element includes a piezoelectric sensor formed in an integrated circuit (IC) chip and a strain gauge at least partially overlying the piezoelectric sensor, where the piezoelectric sensor is able to flex. A human-machine interface using the integrated force sensing element is also disclosed and may include a conditioning circuit, temperature gauge, FRAM and a processor core.

8. 发明申请

US20160155305A1 INTEGRATED CIRCUIT WITH SINGLE WIRE HAPTIC VIBRATION CONTROL AND SELECTIVE OPEN LOOP OPERATION 有权
标题翻译：具有单线振动控制和选择性开环操作的集成电路
公开(公告)号：US20160155305A1
公开(公告)日：2016-06-02
申请号：US14955553
申请日：2015-12-01
申请人： Texas Instruments Incorporated
发明人： Mandy Barsilai , David Hernandez , Mark Stephen Toth
IPC分类号： G08B6/00 , G06F3/01
CPC分类号： G08B6/00 , G06F3/016
摘要： Disclosed examples include methods and circuits to drive a haptic actuator, in which a single input signal from a host device has a first state representing a command to drive the actuator and a second state representing a command to stop the actuator. A control circuit provides a drive control signal to a driver circuit to drive the haptic actuator in response to the control signal transitioning to the first state, and to stop the haptic actuator in response to the control signal transitioning to the second state. A timer circuit places the circuit in a low power mode a predetermined time after the control signal transitions to the second state, or the control circuit places the circuit in the low power mode in response to a feedback signal indicating that the actuator has reached a stopped condition.
摘要翻译：公开的示例包括用于驱动触觉致动器的方法和电路，其中来自主机设备的单个输入信号具有表示驱动致动器的命令的第一状态和表示停止致动器的命令的第二状态。控制电路向驱动电路提供驱动控制信号，以响应于控制信号转变到第一状态来驱动触觉致动器，并且响应于控制信号转变到第二状态来停止触觉致动器。定时器电路在控制信号转变到第二状态之后的预定时间内将电路置于低功率模式，或者控制电路响应于指示致动器已经达到停止的反馈信号而将电路置于低功率模式条件。

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