Abstract: A lawn mower includes a frame, an operator support, a blade assembly, a motor assembly, a steering assembly, one or more sensors and one or more processors. The frame is supported on rotatable wheels for movement over a ground surface. The operator support is configured to support the entire weight of an operator of the lawn mower during use thereof. The blade assembly comprises one or more blades. The motor assembly is configured to: drive the wheels so as to move the frame along the ground surface; and drive the one or more blades relative to the ground surface to cut grass. The steering assembly is configured to manipulate the steering direction of the wheels. The one or more processors are configured to control one or more components of the lawn mower based on input received from the one or more sensors.

Abstract: A lawn mower includes a frame, an operator support, a blade assembly, a steering system, a motor assembly, a sensor and one or more processors. The operator support is coupled to the frame and is configured to support the entire weight of an operator of the lawn mower during use thereof. The motor assembly is configured to drive rotatable wheels so as to move the frame along the ground surface and drive at least one blade relative to the ground surface to cut grass. Sensor and processor to detect the an edge between an unmowed area of grass and a mowed area of grass and control the motor assembly stop driving the at least one blade, the wheels, or both based on the input from the sensor.

Abstract: A power tool accessory system for a power tool includes a power tool accessory with a housing, an input shaft rotatably driven by a power tool, and a working tool driven to perform an operation upon rotation of the input shaft. The system also includes a brace configured to removably couple the housing to the power tool while the input shaft rotates. The brace includes a clamp assembly configured to be fixedly coupled to a base of the power tool handle, and an arm assembly with a first end portion configured to be coupled to the housing and a second end portion configured to be coupled to the clamp assembly. The second end portion is removable from the clamp assembly while the clamp assembly remains fixedly coupled to the power tool to enable removal of the power tool accessory from the power tool.

Abstract: A lawn mower comprising a frame supported on rotatable wheels for movement over a ground surface; an operator support coupled to the frame and configured to support the entire weight of an operator of the lawn mower during use thereof; a blade assembly comprising one or more blades that are configured to cut grass on the ground surface; a steering system configured to manipulate the steering direction of the wheels; a motor assembly configured to: drive the wheels so as to move the frame along the ground surface; and a first rechargeable battery module removably coupled to the frame and configured to power the motor assembly.

Abstract: A lawn mower includes a frame, an operator support, a blade assembly, a steering system, a motor assembly, a sensor and one or more processors. The operator support is coupled to the frame and is configured to support the entire weight of an operator of the lawn mower during use thereof. The motor assembly is configured to: drive rotatable wheels so as to move the frame along the ground surface; and drive at least one blade relative to the ground surface to cut grass. The sensor is configured to detect the presence of a person or an animal in a predetermined area proximate the lawn mower. The one or more processors are configured to: receive input from the sensor, and control the motor assembly stop driving the at least one blade, the wheels, or both based on the input from the sensor.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins and a pair of output power pins, and power components mounted on a power circuit board and electrically connected to the input power pins and the output power pins to modulate a supply of power from the input power pins to the output power pins. A control unit of the electronic power apparatus is disposed at a distance from the power circuit board and substantially parallel to the power circuit board, both the control circuit board and the power circuit board arranged inside the housing. A user-actuated input unit is provided including a variable-speed actuator a first portion of which is at least partially arranged outside the housing to be engageable by a user and a second portion of which is slidably sandwiched between the power circuit board and the control circuit board along an axis substantially parallel to the power circuit board and the control circuit board.

Abstract: A lawn mower comprising a frame supported on rotatable wheels for movement over a ground surface; an operator support coupled to the frame and configured to support the entire weight of an operator of the lawn mower during use thereof; a blade assembly comprising one or more blades that are configured to cut grass on the ground surface; a steering system configured to manipulate the steering direction of the wheels; a motor assembly configured to: drive the wheels so as to move the frame along the ground surface; and a first rechargeable battery module removably coupled to the frame and configured to power the motor assembly.

Abstract: A power tool is provided including a tool housing, an electric motor disposed inside the tool housing, a power interface facilitating a connection to a power source, a plurality of power components arranged to modulate a supply of power from the power interface to the electric motor, a user-actuated input unit providing an analog signal corresponding to a desired rotational speed of the electric motor, and a control unit is receiving the analog signal from the user-actuated input unit. The control unit includes a controller configured to control a switching operation of the power components based on the analog signal to regulate an amount of electric power being supplied to the electric motor, and an input detection unit configured to generate an ON/OFF signal to turn on the controller based on detection of a prescribed change in the analog signal indicative of an initial actuation of the user-actuation unit.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins, a pair of output power pins, power components arranged to modulate a supply of power from the input power pins to the output power pins, and a user-actuated input unit providing an analog signal indicative of a desired power output level of the output power pins. A control unit of the electronic power apparatus receives the analog signal from the user-actuated input unit. The control unit includes a controller to control a switching operation of the power components based on the analog signal, and an input detection unit to generate an ON/OFF signal to turn on the controller based detection of a prescribed change in the analog signal indicative of an initial actuation of the user-actuation unit.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins and a pair of output power pins, and power components mounted on a power circuit board and electrically connected to the input power pins and the output power pins to modulate a supply of power from the input power pins to the output power pins. A control unit of the electronic power apparatus is disposed at a distance from the power circuit board and substantially parallel to the power circuit board, both the control circuit board and the power circuit board arranged inside the housing. A user-actuated input unit is provided including a variable-speed actuator a first portion of which is at least partially arranged outside the housing to be engageable by a user and a second portion of which is slidably sandwiched between the power circuit board and the control circuit board along an axis substantially parallel to the power circuit board and the control circuit board.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins and a pair of output power pins, and power components mounted on a power circuit board and electrically connected to the input power pins and the output power pins to modulate a supply of power from the input power pins to the output power pins. A control unit of the electronic power apparatus is arranged on a control circuit board disposed at a distance from the power circuit board inside the housing. A user-actuated input unit of the electronic power apparatus includes a variable-speed actuator having a first portion at least partially arranged outside the housing to be engageable by a user and a second portion movably arranged between the power circuit board and the control circuit board.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins and a pair of output power pins mounted on a power circuit board, and power components mounted on the power circuit board and electrically connected to the input power pins and the output power pins to modulate a supply of power from the input power pins to the output power pins. A control unit of the electronic power apparatus is arranged on a control circuit board disposed at a distance from the power circuit board inside the housing. The output power pins project through corresponding through-holes through the control circuit board to an outside part of the housing, the output pins having at least one side protrusion arranged to spatially support the control circuit board with respect to the power circuit board inside the housing.

Abstract: An electronic power apparatus is provided, including a circuit board having a conductive pads and a sense pad coupled to an output signal, and an actuator having a wiper portion accommodating a conductive wiper. The wiper includes a first end arranged to engage the sense pad and a second end arranged to slidably engage at least one of the conductive pads on the circuit board. The conductive pads are arranged in a first row of conductive pads and a second row of conductive pads in parallel with and at a distance to the first row of conductive pads. An alignment of the second row of conductive pads is offset with respect to the first row of conductive pads.

Abstract: A power tool includes a tool housing, an electric motor inside the housing, and a power interface facilitating a connection to a power source. At least four actively-controlled power components are configured as an H-bridge to modulate a supply of power from the power interface to the electric motor. A user-actuated input unit outputs a first signal indicative of a desired power output level to the electric motor and a second signal indicative of a desired direction of current flow to the electric motor. A control unit controls the supply of power to the electric motor using two of said power components with synchronous rectification for pulse-width modulation (PWM) of the supply of power based on the first signal, and to control the direction of current flow to the electric motor using the other two of said power components based on the second signal.

Abstract: An electronic power apparatus is provided, including a circuit board having a conductive pads and a sense pad coupled to an output signal, and an actuator having a wiper portion accommodating a conductive wiper. The wiper includes a first end arranged to engage the sense pad and a second end arranged to slidably engage at least one of the conductive pads on the circuit board. The conductive pads are arranged in a first row of conductive pads and a second row of conductive pads in parallel with and at a distance to the first row of conductive pads. An alignment of the second row of conductive pads is offset with respect to the first row of conductive pads.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins and a pair of output power pins, and power components mounted on a power circuit board and electrically connected to the input power pins and the output power pins to modulate a supply of power from the input power pins to the output power pins. A control unit of the electronic power apparatus is arranged on a control circuit board disposed at a distance from the power circuit board inside the housing. A user-actuated input unit of the electronic power apparatus includes a variable-speed actuator having a first portion at least partially arranged outside the housing to be engageable by a user and a second portion movably arranged between the power circuit board and the control circuit board.

Abstract: A power tool includes a tool housing, an electric motor inside the housing, and a power interface facilitating a connection to a power source. At least four actively-controlled power components are configured as an H-bridge to modulate a supply of power from the power interface to the electric motor. A user-actuated input unit outputs a first signal indicative of a desired power output level to the electric motor and a second signal indicative of a desired direction of current flow to the electric motor. A control unit controls the supply of power to the electric motor using two of said power components with synchronous rectification for pulse-width modulation (PWM) of the supply of power based on the first signal, and to control the direction of current flow to the electric motor using the other two of said power components based on the second signal.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins and a pair of output power pins mounted on a power circuit board, and power components mounted on the power circuit board and electrically connected to the input power pins and the output power pins to modulate a supply of power from the input power pins to the output power pins. A control unit of the electronic power apparatus is arranged on a control circuit board disposed at a distance from the power circuit board inside the housing. The output power pins project through corresponding through-holes through the control circuit board to an outside part of the housing, the output pins having at least one side protrusion arranged to spatially support the control circuit board with respect to the power circuit board inside the housing.

Abstract: An electronic power apparatus includes a housing, a pair of input power pins, a pair of output power pins, power components arranged to modulate a supply of power from the input power pins to the output power pins, and a user-actuated input unit providing an analog signal indicative of a desired power output level of the output power pins. A control unit of the electronic power apparatus receives the analog signal from the user-actuated input unit. The control unit includes a controller to control a switching operation of the power components based on the analog signal, and an input detection unit to generate an ON/OFF signal to turn on the controller based detection of a prescribed change in the analog signal indicative of an initial actuation of the user-actuation unit.

Abstract: A child motion device includes a frame providing a structural support relative to a reference surface and including an arm pivotably coupled to the structural support for reciprocating movement with a resonant frequency, a child supporting device coupled to the arm and spaced from the reference surface by the frame, and a drive system including a motor configured to drive the arm such that the child supporting device reciprocates along a motion path at a frequency matched to the resonant frequency. The drive system is configured to adjust a duty cycle of the motor to control a speed at which the child support device moves along the motion path.