964 results about "Key switch" patented technology

A beeper system that includes a beeper attached to a flexible band. The flexible band is attached to the child, such as around the wrist, waist or neck, to prevent the child from removing the beeper. The beeper is programmed to reach a no shut off mode wherein a speaker outputs an audible output of increasing loudness until the beeper is turned off by keyswitch controlled or kept by the supervising adult. The keyswitch is also used to disconnect the flexible band to allow removal of the beeper. A wearer silence button is provided to allow for a warning period before the no shut off mode is reached.

An atomizer switch device provided in a disposable electronic cigarette comprises a key-switch (1), a battery (3) and a heating unit (2). The key switch (1) is provided on the housing of the disposable electronic cigarette and connected in series in the current loop comprising the battery (3) and the heating unit (2). The cost of the disposable electronic cigarette is decreased by using the atomizer switch device.

An apparatus for a hinged key switch is presented which operates around a hinged pivot point located external to the four points of the key cap, and which comprises a rubber spring providing a vertical bias and an arm with an extension which acts as a stopper when it abuts a raised portion of the mounting plate. The rubber spring is integrally formed from a rubber sheet which is supported on one side by the mounting plate and on the other by the back plate. The stopper extends vertically downward from the key cap and acts to limit the movement of the key in the vertical direction. A horizontal extension from a lower portion of the key cap further extends downward and through a slot in the mounting plate and has a hook which abuts an underside of the mounting plate, such extension from the key cap acting as the pivot point around which the key rotates.

A key switch arrangement is able to accomplish the compatibility with a normal keyboard in respect of profile without increasing the height of the keyboard and reduce the cost without adding new members for a light source. The key switch arrangement includes a key-top having an optically transparent key-top having a cutout letter part formed thereon, an optically transparent membrane sheet having a contact, an optically transparent plate member arranged under the membrane sheet, and a light source arranged in the membrane sheet. The light source emits light to pass the plate member and the membrane sheet to illuminate the cutout letter part on the key-top.

Communications are performed between a mobile unit and a terminal device. The mobile unit is provided with a communication device that is capable of communicating with the terminal device if it is connected electrically with a power supply. When an engine key switch signal is off, the electrical connection between the power supply and the communication device is turned on and off intermittently.

Information is displayed by irradiating a visible light on a specific position based on at least one of vehicle state information, vehicle surrounding information, and vehicle interior information. For example, the visible light is irradiated on a target switch based on signals indicating an on/off state of a headlamp operation switch and an on/off state of a key switch. A user 5 can easily confirm the target switch and unerringly operate the target switch. A visible light irradiator 6 is arranged in a vehicle compartment and irradiates the visible light to display information in the vehicle compartment. The information can be provided for the user 5 in a novel manner.

A haptic keyboard apparatus includes a membrane resistor keyboard device and a haptic device. The membrane resistor keyboard device includes a plurality of key switches, each of the key switches being responsive to touch by a user. The haptic device is coupled to the membrane resistor keyboard device. The haptic device includes a plurality of haptic cells, each of which is disposed under a corresponding key switch. Each of the haptic cells is configured to provide haptic feedback in response to the touch by the user. In a specific embodiment, the haptic keyboard apparatus also includes a processor and a haptic controller that provide control signals to the haptic device. In an embodiment, the control signals include programmable voltages and frequencies, causing the haptic cells to effect vibrational patterns in response to the control signals and provide haptic feedback to the user.

A keypad system operates in a first mode or a second mode. Each key cap is coupled to each group of adjacent two key switches. Each of first symbols is disposed on each of key caps. Two of each second symbols which is rotated 90 degrees to the first symbols are disposed over each key cap, and each of the two symbols is located over each of the key switches. When a key is actuated in the first mode, a first symbol assigned to the key cap is outputted. When a key is actuated in the second mode, a second symbol located over the actuated key switch is outputted. When there is a display operating with the keypad system, the contents of display can be oriented horizontal to the first symbols in the first mode or horizontal to the second symbol in the second mode.

A keyboard structure includes a circuit board prepared from a flexible light guide material and carrying a circuit layout, multiple key switch modules for operation by a user to cause the circuit board to produce a respective electrical signal, and multiple luminous units installed in a flexible light guide substrate of the circuit board and electrically connected with the circuit layout for emitting light to illuminate press heads of the key switch modules.

A keyboard module includes a plurality of key units, each of which is provided below a cap member thereof with an array of light-emitting elements. Under the control of a keyboard control circuit in the keyboard module, the light-emitting elements below each cap member are selectively driven to emit light, which is projected toward the cap member to show a specific character on a top surface of the cap member. A key switch is located below the cap member and is actuated to generate and send a key signal to the keyboard control circuit when the cap member is depressed.

The invention belongs to the technical field of a control system and particularly relates to a hotel guest room intelligent control system, which comprises a power supply module, a control module, an input module, an output module, a communication module, a server, a guest intelligent mobile terminal control system, wherein the control module comprises a main control box, a guest room information issuing system, a multifunctional gate indicating card, a music door bell, a networked power taking switch, a touch screen switch, a slight touch press key switch, a user card and a networked temperature controller, the guest room information issuing system is connected with the main control box through a 485 bus, and the multifunctional gate indicating card, the music door bell, the networked power taking switch, the touch screen switch, the slight touch press key switch, the user card and the networked temperature controller are respectively connected with the main control box. Compared with the prior art, the hotel guest room intelligent control system can realize the control on the environment through adopting various modes such as the slight touch type control panel, the guest intelligent mobile terminal control system terminal and remote control, so the energy saving is realized, and the electric energy waste is reduced. In addition, the hotel guest room intelligent control system adopts the modular design, the mutual interference of the self strong and weak current parts inside the whole system can be reduced, the loop number can be configured according to the guest room loop requirements, and the cost is saved.

Provided is a key switch structure wherein a membrane sheet (7) having a movable contact point (7e) and a stationary contact point (7d) is provided between a housing (5), which supports a key top (1) so as to allow the key top to be pushed downward and a base plate (8). The movable contact point (7e) is brought into contact with the stationary contact point (7d) by a downward push to the key top (1), so that a switch is closed. In the key switch structure, the inside of a device's main body is completely shielded from outside air, and water is completely prevented from entering the inside of the device's main body. A plate (6) provided with a plurality of attachment holes (6g) corresponding to fixing pins (5f) of the housing (5) is provided on the membrane sheet (7), so that the fixing pins (5f) are secured in the attachment holes (6g) of the plate (6).

A keyboard musical instrument has an instrument housing and a keyboard chassis integrally formed as a single piece. The keyboard musical instrument has at least one key movably supported on the keyboard chassis, a lower limit stopper for limiting the lowest descending position of the at least one key, a key switch including a movable contact and a fixed contact provided between the at least one key and the keyboard chassis, and an upper limit stopper disposed between the at least one key and the keyboard chassis for limiting an upper-most ascending position of the at least one key. The upper limit stopper is provided on a member that is independent of the keyboard chassis.

A clutch control device is used to engage and disengage a clutch of a straddle-type vehicle. A method of using the device comprises detecting a predetermined operation, such as positioning a key switch in an ON position, for starting use of the straddle-type vehicle, detecting application of a brake of the straddle-type vehicle, and actuating clutch control means that disconnects the clutch upon detection of application of the brake if the predetermined operation for starting use is detected.

The invention relates to a drive-by-wire earphone for portable electronic equipment and a method for realizing drive-by-wire. The drive-by-wire earphone comprises an earphone connector, an earphone control part and an earphone receiving part which are connected by wires, wherein the earphone connector is provided with four pins, namely a common port ground wire, a microphone audio cable, a right channel wire and a left channel wire from a position close to a wire end in turn; the microphone audio cable are connected in series with a microphone and the two ends of the microphone are connected in parallel with a key so as to form a microphone control circuit; and at least one group of function control circuit formed by serially connecting a resistor with a key switch is connected in parallel beside the microphone control circuit. The invention can save the production cost, can realize functions of the drive-by-wire earphone simultaneously, such as music play control, volume control, get through and hang up, start and stop of a radio and radio station search by increasing or decreasing frequency, and can be realized on any mobile phone platform.

The invention discloses a high-voltage and low-voltage power-on/off time sequence control method of a pure electric vehicle and belongs to the technical field of electronic control of new energy source vehicles. The high-voltage and low-voltage power-on/off time sequence control method comprises the following steps: activating KL15, enabling a VCU (Vehicle Control Unit) to be in a waiting mode from a sleeping mode and keeping for time T1; judging whether a KL15 activating state is changed or not; if the KL15 state is not changed, enabling the VCU to be in an operating mode, controlling a low-voltage controller to finish low-voltage power-on self inspection, and receiving an operating mode signal fed back by the low-voltage controller; enabling the VCU to receive the operating mode signal fed back by the low-voltage controller, and sending a high-voltage power-on request instruction to each high-voltage load controller, and sending a relay closing instruction to a BMS (Battery Management System); if the high-voltage power-on process is finished, disconnecting the KL15; enabling the VCU to be in the waiting mode from the operating mode and keeping for time T2; judging whether a KL15 disconnected state is changed or not; and if the KL15 state is not changed, enabling the VCU to control a whole vehicle power system to finish a high-voltage power-off process. By adding the waiting mode, a phenomenon that a user turns a key switch repeatedly so that a relay has a sticking fault is avoided, and thus the service life of the relay is prolonged.

Printed boards 31 and 38 are disposed in two layers inside a casing 1, and a selector cursor key and fixer keypad 21 is provided on the cover 2. Selector cursor key switches 34 are provided on the first printed board 31 on the keypad 21 side while a fixer key switch 39 is provided on the second printed board 38. A protrusion portion 21a of the keypad 21 is made to penetrate a through hole 33 of the first printed board 31 so as to face the fixer key switch 39. The selector cursor key switches 34 and the fixer key switch 39 are arranged adjacently to each other in planar view so as to be able to be pushed and operated through one selector cursor key and fixer keypad 21.

The invention discloses a running and charging interlocking device of an electric vehicle. The device comprises low and high-voltage power distribution circuits, a charger and an energy storage system, wherein the anodes and the cathodes of the charger and the energy storage system are connected with a contactor K5 and a contactor K6 respectively; in a running state, the contactors K5 and K6 are disconnected, and the charger and the energy storage system are disconnected; when a charger plug is inserted into a charge port socket, a charging contactor is connected, the control signal of a charging contactor controller is just switched on, the contactors K5 and K6 are connected, the charger and the energy storage system are switched on, and the whole vehicle is in a charging state; and the input of a key switch 12V or 24V is just cut off, and the outputs of a key switch ACC gear and an ON gear do not carry charges so as to ensure that the vehicle does not run during charging. According to the technical scheme of the invention, interlocking of charging and running circuits is comprehensively realized by the high and low-voltage power distribution circuits, and hidden dangers of the electric vehicle in the running or charging state due to error operation of a driver in the practical running process are avoided.

In a key switch, in which, between the holder (20) overlapped and fixed on the switch substrate (10) and the keycap (50), interposing the pantograph assembly (30) disposed in X-figured two movable members (31), 32 and the mounting plate (40) by pushing the rubber spring (11) of the switch substrate (10) with the keycap (50) for shrinking the rubber spring to close the movable contact, the holder (20) is formed with a supporting plate (22) made from a thin stainless steel and a U-figured resin made supporting frame (23) on the supporting frame (23) the clamping portion (26) to support one end hinge pin (35) of the one movable member (31) and the sliding stepped portion (27) to support one end sliding hinge pin (36) of the other movable member (32) are formed and the supporting frame (23) is clamped between the raised pieces (24) provided on the periphery of the opening (21) of the supporting plate (22) and the switch substrate (10).

A keyboard allowing typists to use approximate QWERTY finger movements on a more compact, collapsible, and portable keyboard. The keyboard size is made more compact by using thin capacitance-responsive surfaces as key switches for the rows above and below the home row. The bottom, space-bar row is also touch-sensitive and is placed on the side of the keyboard facing the typist. The capacitance-responsive surface for the row of keys switches above the home row has a convex profile, and the capacitance-responsive surface for the row of keys switches below the home row has a concave profile, such that the keyboard can fold compactly upon itself. The home row retains depressible key switches in order to provide standard rest positions for the fingers. Characters and commands assigned to the rows above and below the home row are engaged by sliding the fingers over the capacitance-responsive surfaces adjacent to the home row.

A drive system is provided for a utility vehicle and includes an alternating-current (AC) motor for providing a drive torque. An AC motor controller receives a battery voltage signal, throttle pedal position signal, brake pedal position signal, key switch signal, forward/neutral/reverse (FNR) signal, and run/tow signal indicative of the utility vehicle being configured to be driven and being configured to be towed. The AC motor controller generates an AC drive signal for the AC motor, wherein the AC drive signal is based on the battery voltage signal, throttle pedal position signal, brake pedal position signal, key switch signal, FNR signal, and run/tow signal.

The invention discloses a control circuit for atomizers, and the control circuit comprises a key switch, a single chip and a transistor, wherein the key switch is used for sending a switch signal which is used for connecting or disconnecting the control circuit; the single chip is connected with the key switch and has a locking function; after receiving the signal from the key switch, the single chip enters into a self locking state without an output signal or is unlocked; and the transistor is connected with an output end of the single chip and has a signal amplification function. Through the control circuit for atomizers, misoperation can be avoided to ensure that the key switch is connected.

A key switch structure is provided whose waterproofing property is improved without affecting a contact of a membrane sheet. The upper surfaces of the membrane sheet, the embossed part and the circumferential bend part of a back plate are formed on one and the same plane, and a thermal sheet is welded to those upper surfaces. The thermal sheet comprises a thermally meltable, adhesive sheet, which will be heated and pressed with heat rollers to be welded to the upper surfaces. The back plate has an air vent hole formed in its bottom portion.

The invention relates to an intelligent walk-assisting robot. A controller controls a guiding control device to control motion of the robot according to input signals. A control and display panel can be used for determining whether the robot is controlled by a nurse or a patient through a key switch. The nurse can input motion time, motion speed, path parameters in advance and pull a key out, and the robot can move according to the set parameters. When the robot is controlled by the patient, the patient can control speed of the robot through a button on the panel, and enables the robot to veer through rotating of a handrail to enable the left pressure and the right pressure of a pressure sensor on the handrail to be different. The wheel-type robot can drive the patient to move according to a set program, and also can move along with steps of people. The various motion modes can ensure that leg motion training of different types of patients is met.

A control device for a motor vehicle includes a central processing unit that is coupled to a non-volatile memory, a volatile memory and a key switch. The control device ensures transmission of data between memories with high reliability when control operation is repeatedly stopped and started upon the turn-off and turn-on of the key switch, while assuring a reduced period of time during which power is supplied from a back-up power supply to the device, and with a reduced frequency of writing of the data.

A portable battery charger that is powered by a gasoline, diesel, or propane engine. The portable device incorporates a recoil or electric starter and an engine throttle lever that can be used to vary the RPM of the engine and therefore the voltage/current output of the charger. The charger uses a permanent magnet alternator equipped with a belt tension adjustor arm and a heavy duty diode rectifier. The components of the charger (the engine and the alternator) are positioned on a wheeled, heavy-gauge steel, roll around cart that makes the charger easily portable. The two-wheeled cart includes an extended handle, allowing the user to move and steer the charger into position for use. Positioned on this handle is a control box with an anti-spark keyed switch that blocks any charging current from traveling through the charging cables until the switch is thrown. This control facilitates the safe hook-up of the charging clamps while the charger (engine) is running. The charger includes heavy duty cables between the alternator and the anti-spark control box, and additionally out from the control box to insulated clamps that are used to connect to the batteries. The control box additionally includes an ammeter and a voltmeter to indicate the charging current and voltage. The portable charger structured in this manner can be used to charge a non-specific number of batteries in parallel, typically in less than 2-4 hours depending on the size and state of the existing battery charge. The charger may also be used in the process of equalizing a bank of batteries to facilitate a reduction in stratification and sulfation.

An inductive touch key switch assembly and circuit are provided. The circuit optimizes signal strength and noise immunity by reducing the number of long paths through the circuit board and localizes the driver circuit to each key switch assembly sensor coil. The key switch assembly optimizes placement of the target to enable the user interfaces on domestic appliances and products having present values of front panel thickness.

Systems and methods uniquely identify the user of the keyboard. An example of the present invention includes sensors capable of detecting the interaction of a user caused by their touch, vibration, proximity, and actuation of key switches. Unique characteristics such as typing style, touch signature, tap strength, and others can be determined using the multi-sensor keyboard in ways not possible on a conventional mechanical keyboard. Further, it is also useful to know when a change of keyboard users has occurred for the purpose of infection prevention in healthcare settings where cross-contamination via computer keyboards is prevalent.

Provided is an electronic eating-drinking all-in-one machine so that a person can eat and drink by lying. The electronic eating-drinking all-in-one machine helps to solve difficulty of eating and drinking in a lying state. By adoption of the principle of inflating air into bottles and utilizing air pressure to push out drinking water, an adjustable delay key switch, a miniature air pump and chargeable battery groups are combined as a whole. By application, a delay button is firstly regulated and every mouthful of meal and water is obtained when a switch is pressed down each time. The electronic eating-drinking all-in-one machine is principally applied to a tool for a person lying in bed for drinking water and eating.

A light emitting sheet module includes a light guiding sheet to cover a plurality of key switches, at least one LED disposed on at least one end portion of the light guiding sheet, and a circuit board disposed on the one end portion of the light guiding sheet on which the LED is disposed. When the light emitting sheet module is, mounted on a switch board, it is capable of adaptation to key switches in a wide variety of forms and to illuminate the key switches with light emission of high brightness.