Delta Electronics, Inc.

Quanta Computer Incorporated

Arima Optoelectronics Corporation

Chih-Ming Hsu

Chi-Huan Shao

Chi-Shun Chang

Hung-Sheng Chang

Cheng-Hao Huang

Jun-Huang Li

Yuan-Chen Liang

Chia-Hui Wu

Hsiu-Ling Cho

Chun-Yi Chao

Hsin-Hsien Wu

Wei-Cheng Yen

Kuang-Hua Pan

Shang-Wei Yang

An electric gripper is disclosed and includes a carrier, an actuator, two dual-lever assemblies and an angle sensor. The actuator is disposed on the carrier and includes a sliding portion. The two dual-lever assemblies are disposed on the carrier and located at two opposite lateral sides of the sliding portion. Each of the two dual-lever assemblies includes a driving lever, a limiting lever and a gripping piece. The driving levers are staggered to each other. The limiting levers are staggered to each other. When the sliding portion slides a first distance in the first direction, the sliding portion drives the driving levers to rotate an angle, and the gripping pieces move toward each other to displace a second distance in a second direction. The angle sensor is disposed on the carrier and configured to measure the angle, to correspond to the first distance and the second distance.

Electric gripper

A three-dimensional measuring device includes a ball-shaped structure, an X-axis measuring module, a Y-axis measuring module and a Z-axis measuring module. The ball-shaped structure is moved and/or rotated in response to a movement of a movable object. The X-axis measuring module includes a first measuring structure and a first position sensor. The first measuring structure is movable along an X-axis direction and contacted with the ball-shaped structure. The Y-axis measuring module includes a second measuring structure and a second position sensor. The second measuring structure is movable along a Y-axis direction and contacted with the ball-shaped structure. The Z-axis measuring module includes a third measuring structure and a third position sensor. The third measuring structure is movable along a Z-axis direction and contacted with the ball-shaped structure.

Robotic arm calibration method

Three-dimensional measuring device and robotic arm calibration method thereof

A motor brake module for braking a motor is provided. The motor includes a shell, a shaft portion and a driving portion. The motor brake module includes a brake assembly, a block assembly and an armature assembly. The brake assembly includes a shaft hole, plural teeth and plural openings. The shaft portion passes through the shaft hole, and the shaft portion drives the brake assembly to rotate when the shaft portion is rotated. The armature assembly is connected with the block assembly for driving the block assembly to move between the armature assembly and the brake assembly. When the block assembly is moved toward the brake assembly, a portion of the block assembly is contacted with one of the plural teeth and the other portion of the block assembly passes through one of the plural openings.

Motor brake module having reduced vibration in braking motion

A tool calibration apparatus includes a first measuring device, a second measuring device, a third measuring device, a fourth measuring device and a fifth measuring device. The first measuring device includes a first measuring surface, a first measuring edge and a sensor. The second measuring device includes a second measuring surface, a second measuring edge and a sensor. The third measuring device includes a third measuring edge and a sensor. The fourth measuring device includes a fourth measuring edge and a sensor. The fifth measuring device includes a third measuring surface and a sensor. The first measuring surface, the first measuring edge and the third measuring edge are movable in an X-axis direction. The second measuring surface, the second measuring edge and the fourth measuring edge are movable in a Y-axis direction. The third measuring surface is movable in a Z-axis direction.

Tool calibration apparatus for robotic arm

A brake release device and a robot manipulator employing the same are provided. The robot manipulator includes a housing and a brake element. The housing defines an inner space and has an opening, and the inner space is in communication with a space outside the housing through the opening. The brake element is disposed within the inner space. The robot manipulator stops or is allowed to actuate according to a position of the brake element. The brake release device is connected with the brake element. The brake release device is partially located in the inner space, and the brake release device partially penetrates through the opening and is exposed from the housing. When the part of the brake release device exposed from the housing is moved by an external force so as to drive the brake element to move synchronously, the robot manipulator is allowed to actuate.

Brake release device and robot manipulator employing same

A tool driving module for a robot manipulator comprising an end-shaft is disclosed. The tool driving module comprises a connection part, a motor driving module, a driving arm and a tool fixing bracket. The connection part comprising a combination bracket is coupled with the end-shaft. The motor driving module is coupled with the combination bracket. The driving arm is connected with the motor driving module, and driven by the motor driving module to rotate. The tool fixing bracket is connected with the driving arm for mounting a tool thereon. The tool fixing bracket and the tool are driven by the driving arm to rotate synchronously, and a tool center point of the tool and an extending line of an axis of the end-shaft are at a common point via the rotation of the tool.

Tool driving module and robot manipulator employing same

A tool calibration apparatus for a robot manipulator having a tool is disclosed. The tool calibration apparatus comprises a base, an X-axis measurement device, a Y-axis measurement device and a Z-axis measurement device. Each of the X-axis measurement device, the Y-axis measurement device and the Z-axis measurement device comprises a measuring plate and a sensor. The measuring plates of the X-axis measurement device, the Y-axis measurement device and the Z-axis measurement device move in a direction along the X-axis, Y-axis, and Z-axis, respectively. The sensors of the X-axis measurement device, the Y-axis measurement device and the Z-axis measurement device measure a displacement of the corresponding measuring plate. According to the displacements, information of a tool center point of the tool is acquired so as to calibrate the tool center point.

Tool calibration apparatus of robot manipulator

Industrial robot calibration apparatus

Extending shaft of industrial robot

The present invention discloses a laser dicing apparatus for a gallium arsenide wafer and a method thereof, wherein firstly, a gallium arsenide wafer is stuck onto a holding film; next, the gallium arsenide wafer together with the holding film is disposed on a working table; the gallium arsenide wafer has multiple chips or dice with a scribed line drawn between every two chips; a control device and an object lens are used to position the working table and a laser, and two video devices are used to observe whether the laser has been precisely aimed at one of the scribed lines; after parameters have been input into the control device, the laser is used to cut the gallium arsenide wafer, and the gallium arsenide wafer is then separated into multiple discrete chips or dice. The present invention can precisely cut gallium arsenide wafers, reduce the cost and accelerate the fabrication process.

Laser dicing apparatus for a gallium arsenide wafer and method thereof

A casing for an electronic device and a method producing the same. The method comprises the following steps. First, a first member is formed of a first metallic material, and a second member is formed of a second metallic material. In the second member, at least one step portion is formed. Then, the casing is produced by combining the first member and the second member in a manner such that the step portion corresponds to the unit and the second member is nearer to the unit than the first member.

Casing for electronic devices and method for producing the same

An inrush current suppression circuit is installed between a DC voltage and a load with a parallel system capacitor. The inrush current suppression circuit includes a first current limiting circuit which includes a first resistor, a first controlled switch, and a second controlled switch. The inrush current suppression circuit further includes a second current limiting circuit which further includes a second resistor, a third controlled switch, and an energy-storing capacitor. The second current limiting circuit is electrically connected in parallel to the system capacitor, and the first current limiting circuit is electrically connected with the DC voltage and the second current limiting circuit. When the DC voltage is detected, the first controlled switch is conducted. When a voltage of two ends of the load reaches a first threshold value, the second controlled switch is conducted so as to bypass the first resistor. When a voltage of the energy-storing capacitor reaches a second threshold value, the third controlled switch is conducted so as to bypass the second resistor.

Inrush current suppression circuit

A rechargeable battery pack module includes a battery cell set, a DC-to-DC converter adapted to be connected to one of a portable computer and an AC adapter and operable so as to generate charging current, a safety switch control unit operable so as to permit charging and discharging of the battery cell set, a charging protection unit to control operation of the safety switch control unit according to the cell voltages of battery cells of the battery cell set, and a battery status indicating unit for storing manufacturer information corresponding to the battery cell set therein and capable of providing the manufacturer information and charging status information of the battery cell set to the portable computer.

Growing community of inventors

Taoyuan, Taiwan

Chih-Ming Hsu