| Patent application number | Description | Published |
|---|
| 20110084916 | Haptic feedback actuator, haptic device and electronic device - A haptic feedback actuator includes: a vibration plate provided on one surface of a haptic device and transferring vibration; and an actuator provided such that the vibration plate is interposed between the actuator and the haptic device and excited according to a change in the contact pressure of the haptic device to generate vibration. | 04-14-2011 |
| 20110084917 | Haptic feedback device and electronic device - A haptic feedback device includes: a haptic device receiving a contact pressure applied thereto; and an actuator provided to the haptic device and excited according to a change in the contact pressure of the haptic device to generate vibrations. | 04-14-2011 |
| 20110090153 | Haptic feedback device and electronic device - A haptic feedback device includes: a haptic device receiving a contact pressure applied thereto; a vibration plate attached with the haptic device by means of an anaerobic adhesive and transferring vibration; and an actuator provided to the haptic device such that the vibration plate is interposed between the haptic device and the actuator, and excited according to a change in the contact pressure of the haptic device to generate vibration. | 04-21-2011 |
| 20110157035 | ACTUATOR MODULE - Disclosed herein is an actuator module that improves vibration of a touch screen pad. More specifically, the actuator module is configured to include a plate that is positioned at the lower part of a touch display module in which an image display unit is coupled to the lower part of a touch screen panel, a vibration generator that is positioned at the lower part of the plate and is mechanically deformed by compression or contraction when voltage is applied, and an adhesive layer that bonds the touch display module to the plate and the plate to the vibration generator and generates bending moment by the mechanical deformation of the vibration generator, thereby making it possible to transfer the vibration by the vibration generator directly to the touch screen panel and be designed in an ultra-thin type. | 06-30-2011 |
| 20110163634 | PIEZOELECTRIC ACTUATOR MODULE - Disclosed herein is a piezoelectric actuator module. The piezoelectric actuator module includes a flat plate, two or more elastic members, and a piezoelectric element. The elastic members are provided on each of opposite ends of the plate in a longitudinal direction thereof and protrude perpendicularly from the plate in such a way that a first end of each of the elastic members is coupled to an electronic device. The piezoelectric element is provided on a first surface of the plate and transmits vibrating force to the electronic device. The piezoelectric actuator module includes a plate having on opposite ends thereof two or more elastic members, thus being capable of controlling vibrating force by changing the length of the plate and the number of the elastic members, in addition to reliably supporting piezoelectric elements provided on the plate. | 07-07-2011 |
| 20110163635 | PIEZOELECTRIC ACTUATOR MODULE - Disclosed herein is a piezoelectric actuator module. The piezoelectric actuator module includes a flat plate. An elastic member is provided on each of opposite ends of the plate in a longitudinal direction thereof, and protrudes perpendicularly from the plate in such a way that a first end of the elastic member is coupled to an electronic device. A plate-shaped elastic body is provided on a first surface of the plate. A piezoelectric element is provided on a first surface of the elastic body. The plate-shaped elastic body is provided between the plate and the piezoelectric element, so that the overall spring constant of the piezoelectric actuator module is lowered and thus the vibrating force of the piezoelectric actuator module is increased. | 07-07-2011 |
| 20110216027 | Haptic feedback device and electronic device - Disclosed are a haptic feedback device and an electronic device. The haptic feedback device includes: a haptic device to which contact pressure is applied; an actuator provided in the haptic device and excited according to a change in the contact pressure of the haptic device to generate vibrations; and a controller controlling the actuator to vibrate at a pre-set resonance frequency in a pre-set first operation mode and vibrate at a driving frequency different from the resonance frequency in a second operation mode set to be different from the first operation mode. | 09-08-2011 |
| 20110260843 | Haptic feedback device and electronic device - There is provided a lightweight, slim and compact haptic feedback device due to an actuator module constituted of a piezoelectric element and a vibration plate, and an electronic device having the same. The haptic feedback device includes a haptic device receiving contact pressure applied thereto, and an actuator module being in contact with a lower surface of the haptic device and excited according to variations in contact pressure with the haptic device to thereby generate vibrations. | 10-27-2011 |
| 20110260995 | Actuator module, haptic feedback device and electronic device - There is provided an actuator module, a haptic feedback device, and an electronic device having the same. The haptic feedback device includes a haptic device receiving a user contact applied thereto, and an actuator module generating vibrations according to the user contact applied to the haptic device. | 10-27-2011 |
| 20110273405 | TOUCH SCREEN DEVICE - Disclosed herein is a touch screen device, including: a case that partitions an internal space, a touch panel module that is received in the case to recognize external pressure, a first actuator that is mounted at the lower part of the touch panel module to generate vibration, a second actuator that is mounted at the case to generate vibration, and
| 11-10-2011 |
| Patent application number | Description | Published |
|---|
| 20110240147 | Fluid Flow Control Apparatus for Hydraulic Pump of Construction Machine - An apparatus for controlling the flow of a hydraulic pump of a construction machine according to the present disclosure includes: a pressure sensor detecting pressure signals corresponding to various control signal input values of the construction machine; a shuttle block including a plurality of shuttle valves dividing hydraulic lines connected with the pressure sensor into groups and extracting pressure oil of a hydraulic line under the highest pressure among hydraulic lines included in the corresponding group; auxiliary pressure sensors detecting the pressure of the pressure oil discharged from the shuttle block; electro proportional control valves in which opening rates are adjusted according to an applied signal and flows applied to signal lines are controlled to adjust discharge flows of main pumps; and a controller controlling the electro proportional control valves so that the opening rates of the electro proportional control valves are adjusted according to the magnitude of the pressure signal at the time of applying the pressure signal from the pressure sensor, wherein when the pressure sensor is judged as abnormal, the controller controls the operate rates of the electro proportional control valves to an opening rate corresponding to the magnitude of a signal outputted from the auxiliary pressure sensors. | 10-06-2011 |
| 20110264338 | EMERGENCY ENGINE RPM CONTROL APPARATUS FOR HEAVY CONSTRUCTION EQUIPMENT - The present disclosure relates to an apparatus for contingency controlling an engine rotational speed of a heavy construction equipment, which is capable of contingency controlling the speed of an engine when a controller of the heavy construction equipment such as an excavator does not operate normally. The apparatus for contingency controlling an engine rotational speed including a machine control unit generating a driving signal to control an operation of the engine by transferring a control value received from a control dial to an engine control unit may include: an instrument panel electrically connected with the engine control unit and allowing an operator to select and control a desired engine rotational speed because a control algorithm for the engine rotational speed is made into a database; and a connection switch electrically connecting the instrument panel and the engine control unit when the control dial or the machine control unit does not operate normally. | 10-27-2011 |
| 20110320015 | Construction Equipment Remote Control System and Method for Controlling Data Transmission/Reception While the Construction Equipment is in Engine-Off State - The present disclosure relates to a system and a method of remote management of a construction equipment for controlling transmission and reception of data of the construction equipment in a a key-off state. To this end, a system of remote management of a construction equipment according to the present disclosure includes a server communicatable with a communication terminal through a communication network; and a construction equipment where the communication terminal, a equipment control unit, and a plurality of electronic control devices are installed, wherein the communication terminal, the equipment control unit, and the electronic control devices are supplied standby power from a battery provided in the construction equipment, when the equipment control unit receives a key-off signal, the equipment control unit transfers a sleep mode switching command to the communication terminal and the electronic control devices of which operation modes are switched to a sleep mode, when the communication terminal wakes up from the sleep mode state at the time of receiving an operation request from the server and thereafter, wakes up the equipment control unit and transfers the requested operation of the server, and the equipment control unit performs the operation singly when performing the operation singly and thereafter, switches over to the sleep mode when completing the operation, and when the operation is associated with at least one of the electronic control devices, the equipment control unit performs the operation by waking up the corresponding electronic control device and switches the waked up electronic control device to the sleep mode when completing the operation. | 12-29-2011 |
