Patent application number | Description | Published |
20130247676 | PRESSURE SENSOR - A pressure sensor includes a detecting circuit configured to detect the difference between outputs from a first pressure variation sensor and a second pressure variation sensor. The first pressure variation sensor and the second pressure variation sensor have a lower limit frequency which provides sensitivity equal to or higher than a predetermined value as the effectively same frequency characteristics in accordance at least with a capacity of a cavity or a distance of a gap. The gap of the first pressure variation sensor communicates the exterior of the pressure sensor and the interior of the cavity of the first pressure variation sensor, and the gap of the second pressure variation sensor communicates the interior of the cavity of the first pressure variation sensor and the interior of the cavity of the second pressure variation sensor. | 09-26-2013 |
20130247677 | PRESSURE SENSOR - A pressure sensor includes a detecting circuit configured to detect the difference between outputs from a first pressure variation sensor and a second pressure variation sensor. The first pressure variation sensor and the second pressure variation sensor have the same distance of a gap, and have frequency characteristics different from each other, that is, cutoff frequencies different from each other by setting the value of a capacity of the cavity of the first pressure variation sensor to be larger than the value of a capacity of the cavity of the second pressure variation sensor. | 09-26-2013 |
20140125497 | TERMINAL DEVICE, COMMUNICATION SYSTEM AND METHOD OF ACTIVATING TERMINAL DEVICE - To realize high-performance sensing and lower power consumption as well as to improve the entire operation of measurement. A terminal device according to the present invention includes a plurality of sensors for measurement measuring physical quantities of measurement targets, a storage unit storing information for determining activation manners of the plural sensors for measurement, a control unit switching all or part of the plural sensors for measurement from a non-activated state to an activated state based on the information when activated and an activation unit including a sensor for activation to be driven based on a change of environment and activating the control unit when a physical quantity having correlation with the physical quantity of the measurement target is satisfied as a given activation condition based on a detection result by the sensor for activation. | 05-08-2014 |
20140128118 | TERMINAL DEVICE, COMMUNICATION SYSTEM AND METHOD OF ACTIVATING TERMINAL DEVICE - To provide a terminal device realizing high-performance sensing and lower power consumption. A terminal device according to the present invention includes a sensor for measurement measuring a physical quantity of a measurement target, a control unit switching the sensor for measurement from a non-activated state to an activated state when activated and an activation unit driven in lower power consumption than the sensor for measurement and activating the control unit when a physical quantity having correlation with the physical quantity of the measurement target is satisfied as a given activation condition, thereby realizing high-performance sensing and lower power consumption. | 05-08-2014 |
Patent application number | Description | Published |
20090105894 | Outboard motor control apparatus - In an apparatus installed on a boat for identifying and controlling operation of an outboard motor selected by an operator and clamped to the boat from among outboard motors in different models prepared to be selectable by the operator, including a model having an analog device that produces analog signal and a model having a digital device that converts the analog signal produced by the analog device into a digital signal, it is discriminated whether the inputted signal is the analog signal inputted through the analog signal input/output or the digital signal inputted through the digital signal input/output, and the model of the selected outboard motor is identified based on the discriminated signal, thereby enabling to surely identify the model and control its operation. | 04-23-2009 |
20090106581 | System and method for data writing - In a system for or method of data writing using a CPU and a plurality of memory banks connected to the CPU to enable the CPU to write the data thereon, a combination of data comprising data and their complement are written on a first memory bank and the same combination of data are written on a second memory bank, a sum of the combination of data written on the first and second memory banks is calculated, and when the sum of the combination of data written on one of the first and second memory banks is a specific value, it is determined that the data written on the one of the first and second memory banks are normal. With this, it becomes possible to surely determine whether the written data are normal or not, thereby enabling to enhance the data reliability. | 04-23-2009 |
20100007459 | ANTITHEFT SYSTEM - In a system for preventing an equipment such as lawnmower from theft, there are equipped with an internal combustion engine that is mounted on the equipment and is equipped with a generator that generates electric operating power when the engine is operated, a recoil starter to be manipulatable by an operator to operate the engine, an electronic key that is adapted to be carried by the operator and stores authenticating data for identifying the operator who carries the electronic key; and an authenticator that is installed at the equipment and performs authentication check as to whether the electronic key is an authorized key using stored key-checking data, when the authenticating data is outputted from the electronic key. In the system, the authenticator performs the authentication check when the electric operating power is supplied from the generator, thereby enabling to be installed in battery-less equipment and ensure to prevent the equipment from theft. | 01-14-2010 |
20100042310 | ENGINE OIL LEVEL DETECTION SYSTEM - An oil level detection apparatus having a float-type oil level detector ( | 02-18-2010 |
Patent application number | Description | Published |
20080243359 | General-purpose internal combustion engine - In a general-purpose internal combustion engine connectable to operating machines such as a snowplow, a washing machine and a wood chipper having an electronic control unit that controls operation of the operating machine when connected, there are provided a signal output terminal that is installed in the electronic control unit and outputs a signal generated by the electronic control unit to the operating machine and a signal selector constituted by a personal computer that selects a signal to be outputted by the signal output terminal from among signals in response to manipulation by an operator. The engine can be easily connected with any operating machine without a complicated electronic control unit, thereby improving versatility and convenience. | 10-02-2008 |
20100007497 | ANTITHEFT SYSTEM - In an antitheft system for preventing an equipment comprising moving objects such as electric vehicles or operating machine such as lawnmower from theft, an electronic key is prepared to be carried by an operator of the equipment and stores authenticating data for identifying the operator who carries the electronic key. An authenticator is installed at the equipment and performs authentication check as to whether the electronic key is an authorized key using stored key-checking data, when the authenticating data is outputted from the electronic key, whereas an electronic key copier is provided separately from the equipment and copies the electronic key, thereby enabling to make a copy of the electronic key without activating equipment, while ensuring to prevent the equipment from theft. | 01-14-2010 |
20110132680 | ANTITHEFT APPARATUS FOR EQUIPMENT WITH PRIME MOVER - In an apparatus for preventing theft of equipment (electric wheelchair) having a prime mover (electric motor), a prime mover controller, and an authenticator that acquires ID information from an electronic key when the key is brought close thereto by an operator, determines whether the acquired ID information corresponds with authentication ID information, and permits the controller to start the prime mover when the acquired ID information is determined to correspond with authentication ID information, the controller stores operating history of the equipment, and the authenticator acquires the history from the controller when the key is brought close thereto and transmits the acquired history to the key when the key is brought close thereto, thereby making it easy to acquire the operating history of the equipment. | 06-09-2011 |
20110133550 | ANTITHEFT APPARATUS FOR EQUIPMENT WITH PRIME MOVER - In an apparatus for preventing theft of equipment (electric motor) having a prime mover (motor), a prime mover controller, a starter switch that allows the operator to connect/disconnect power from a power source to the prime mover; and an authenticator that acquires ID information from an electronic key through a receiver when the key is brought close thereto by the operator, and permits the controller to start the prime mover when acquired ID information is determined to correspond with authentication ID information, the starter switch is made of electrode pair that is sensitive to electrostatic capacitance, and the starter switch and the receiver are installed together on an electronic circuit board, thereby achieving the smaller structure of the apparatus. | 06-09-2011 |
20110133911 | ANTITHEFT APPARATUS FOR EQUIPMENT WITH PRIME MOVER - In an apparatus for preventing theft of equipment having a prime mover, an prime mover controller, and an authenticator that acquires ID information from an electronic key when the key is brought close thereto by an operator, and permits the prime mover controller to start the prime mover when the acquired ID information is determined to correspond with authentication ID information, data indicating a number of times the key is updated is included in the ID information, and the authenticator determines whether the number of times indicated in the data is greater than that in the authentication ID information, and when the number of times indicated in the data is greater than that in the authentication ID information, updates the authentication ID information such that it is equal to the number of times indicated in the data, thereby enabling to easily update authentication ID information of the equipment. | 06-09-2011 |
20110136398 | OUTBOARD MOTOR ANTITHEFT APPARATUS - In an apparatus for preventing theft of plural, such as two, outboard motors ( | 06-09-2011 |
20110137500 | ANTITHEFT APPARATUS FOR EQUIPMENT WITH PRIME MOVER - In an apparatus for preventing theft of equipment such as outboard motor having a prime mover (engine), a prime mover controller and an authenticator ( | 06-09-2011 |
20130120113 | ANTITHEFT SYSTEM - In an antitheft system for preventing an equipment comprising moving objects such as electric vehicles or operating machine such as lawnmower from theft, an electronic key is prepared to be carried by an operator of the equipment and stores authenticating data for identifying the operator who carries the electronic key. An authenticator is installed at the equipment and performs authentication check as to whether the electronic key is an authorized key using stored key-checking data, when the authenticating data is outputted from the electronic key, whereas an electronic key copier is provided separately from the equipment and copies the electronic key, thereby enabling to make a copy of the electronic key without activating equipment, while ensuring to prevent the equipment from theft. | 05-16-2013 |