A basket weaving form and method for use in conjunction with the contouring and weaving of a domed basket base. The invention includes a spider support having a contoured surface shaped similar to that of the under side of a desired basket base configuration. The spider support is adapted to receive a pin or nail previously pierced through the overlapping mid-point of a plurality of uniformally arranged, radially extending weaving spokes. Once thus temporarily afixed atop the basket weaving form, the spokes then forming a basket spider may be securely shaped over the spider receiving surface as lengths of weavers are woven back and forth around the weaving spokes to form the basket base.

A spring-actuated basket form including a platform, a spacer housed within a cavity recessed below the platform surface, and a pair of reinforcement guides. The reinforcement guides form a space therebetween capable of removably receiving a reinforcement splint during basket assembly. The spacer's perimeter wall communicates with the inner wall of the cavity. A spring is coupled to the spacer to facilitate tensioned movement of the spacer within the cavity. The spring urges the spacer and its associated movable reinforcement guide toward the other guide to retain a reinforcement splint within the space. An adjustable alignment rim may be provided on the platform surface at a distance from the reinforcement guides.

Each of two end sections and one middle section of the present basket form is formed with a centrally and axially disposed passageway and with a pair of diametrically opposing passageways spaced radially outwardly from the central passageway. All of the passageways in one of the sections are simultaneously alignable with corresponding passageways in the other sections. The central passageways are adapted to receive a mounting member. Each of the radially outwardly disposed passageways are adapted to receive a bolt, and a wing nut is tightened onto an outwardly projecting threaded end of each bolt to hold the separable sections of the form in alignment with one another. The middle section of the form may be removed and the two end sections held in alignment with one another to accommodate a shallower basket.

A working surface 14 is provided with a plurality of splint locators 15-18 and a bottom locating area 27 suitable for arranging basket splints 11A-C, 12A-C into a predetermined number and configuration of angularly related sets 11, 12. A slot 44, 45 and a linearly aligned set of sockets 48A-C, 49A-C are formed in the working surface 14 outwardly from two of the perimeter edge portions 21, 22 of the bottom locating area 27. An alignment rim 29, 30 is provided for positioning one end of each of the basket splints in one of the angularly related sets 11, 12. A bolt 50, 51 is slidably mounted in each of the slots 44, 45 and extends upwardly through each of the alignment rims 29, 30. A wing nut 56, 57 is threadedly mounted on each of the bolts 50, 51 for releasably tightening the alignment rims 29, 30 at selected sites on the working surface 14. A ring-headed pin 58, 59 extends downwardly through each of the alignment rims 29, 30 for releasably engaging a selected one of the sockets 48A-C, 49A-C.

A form for making a stepped-bottom basket including a three-dimensional L-shaped frame vertically partitioned into two segments that are releasably fastenable to one another. The first segment includes top, front, rear and side walls that define the shape of the interior of the deep portion of the stepped bottom basket and the second segment includes top, front, rear and side walls that define the shape of the interior of the shallow portion of the stepped bottom basket. The second segment may include an integral splint guide capable of receiving inner reinforcement splints for the bottom of the shallow upper basket portion. Adjacent walls of the segments may be adapted for securely fitting and fastening the segments together.

A method of constructing an interwoven basket using a collapsible basket form apparatus is disclosed. The present invention permits the construction of an interwoven basket including a solid bottom surface and upwardly converging woven side walls that define a top opening which is relatively smaller than the largest diameter of the basket. The present collapsible basket form apparatus permits construction of a basket from which a unitary basket form of the same shape could not otherwise be removed upon completion of the basket. The present basket form apparatus is adaptable to construction of baskets of many different sizes and shapes by the use of interchangeable rib components which function to define the basket contours.

A basket weaving kit and method for producing a container to be decorated and used for carrying objects. The basket weaving kit and method includes a plastic cylinder. A plurality of spoke members are for coupling to the plastic cylinder. Each of the spoke members is positionable in substantially parallel spaced relationship to an adjacently positioned spoke member such that the spoke members are positioned around the plastic cylinder. A plurality of reed members are for weaving through the spoke members.

A phase-locked loop circuit and method for providing for compensation for an offset. A phase-locked loop circuit comprises a phase detector, a compensation circuit, a loop filter, and a VCO. The phase detector is coupled to receive a first input signal and a second input signal. The phase detector is configured to output one or more of a plurality of output signals indicative of a difference between the first input signal and the second input signal. The compensation circuit is coupled to receive the output signals and to reduce a voltage offset between the output signals. The compensation circuit is further configured to provide a plurality of compensated output signals. The loop filter is coupled to receive the compensated control signals. The loop filter is configured to output a first control signal. The VCO is coupled to receive the first control signal and to output the second input signal based on the first control signal. A method of operating a phase-locked loop circuit comprises receiving and comparing a first input signal and a second input signal and providing output signals indicative of the comparison. The method compensates for a voltage offset between the output signals and provides compensated output signals indicative of the compensation. The method filters the compensated control signals and provides a control signal indicative of the filtration. The method provides the second input signal based on the first control signal. Lower skew between the input and output may be achieved.

A moisture metering calibration method and system for, e.g., determining the moisture lumber within a lumber drying kiln is disclosed. Calibration of moisture indicative electrical signals obtained from, e.g., moisture sensing capacitive plates spaced apart within a stack of drying lumber is performed, wherein long lengths (e.g., up to 1000 linear feet or more) of coaxial cable can be used for transmitting the signals, and effectively removing signal anomalies induced in such cabling so that accurate lumber moisture measurements result. Such extended cable lengths provides flexibility with respect to placement of electronic moisture metering equipment. This flexibility allows such equipment to be placed in an environmentally-controlled enclosure, rather than on the weather exposed exterior of a kiln whose lumber is being monitored.

Provided is a button structure of a shift knob for use with a shift lever in which a rod is provided. The shift knob comprises: a button capable of being pushed to allow the rod to be moved downwardly from a lock position to a lock release position; a pinion gear provided in coaxial relation to a pivot shaft of the button; and a rack meshed with the pinion gear. The button structure moves the rod to a shift-lock release position, interlockingly with a downward movement of the rack caused by a swinging movement of the pinion gear in a forward direction, according to a pushing operation of the button, and moves the rod to a shift-lock position, interlockingly with an upward movement of the rack caused by a swinging movement of the pinion gear in a reverse direction, according to a push-mode releasing operation of the button.

A device for preventing an inward shifting of a brake pedal during a collision. The device includes a mounting bracket. A pedal housing is combined with the mounting bracket such that the pedal housing is movable in a rearwards direction from the mounting bracket. A pedal arm is hinge-coupled at upper and middle parts thereof with the pedal housing and a push rod, respectively. A unit for preventing the inward shifting of the pedal arm has a separating plate which, as the pedal housing is moved rearwards, presses against a fixing pin to decouple the fixing pin from the pedal arm, enabling the pedal arm to turn outwards about a hinge point at the middle part.

A crankshaft and method for manufacturing the same are disclosed. The crankshaft may comprise a web and a rod journal disposed adjacent to the web. The rod journal includes a fillet disposed proximal to the web. The fillet includes a tapered undercut having a concave shape with a graduated depth. The undercut is defined by a sweep angle and an offset angle.

A system includes a fan and a duct system. The fan is configured to be attached to the steering wheel. The duct system has a first portion and a second portion, and is configured to be coupled to an exterior surface of an armature of the steering wheel and enable air from the fan to be communicated from the fan to a surface of the steering wheel. The first portion includes a section extending along the armature of the steering wheel, and the second portion includes a plurality of nozzles extending radially from an outer surface of the first portion toward an outer surface of the steering wheel.

A tractor includes a prime mover, a driven implement selectively engaged with the prime mover, and a switch for selectively engaging and disengaging the driven implement with the prime mover. The switch has three positions including a disengaged position, a momentary position, and an engaged position located between the disengaged position and the momentary position. The prime mover can be started with the switch in the disengaged position. The prime mover can be started with the switch in the engaged position when the switch was previously moved to the momentary position before being moved to the engaged position, such that after operation of the prime mover is stopped, the prime mover can be restarted without changing the position of the switch.

A durable system is disclosed for controlling variable valve actuation of an engine valve corresponding to a cylinder of an automobile engine. The system is designed to have a durability that exceeds the expected life of a conventional automobile engine. The system includes first crowned cam having a first lift profile, a second crowned cam having a second lift profile, and a rocker arm assembly. The rocker assembly includes a first arm having an end connected to said engine valve, having a high impact roller following the first crowned cam operating the engine valves according to a first lift profile. The rocker arm assembly also includes a second arm having slider pads riding on the second crowned cam to operate said engine valve according to a second lift profile. The slider pads have a sliding surface covered with an impact-resistant multilayer coating with its outermost coating being a wear-resistant coating. A latch having adjustable latch lash secures the second arm relative to the first arm when in a latched position causing the valve to operate according to a second lift profile when the latch is in a latched position, and the valve is operated according to a first lift profile when the latch is not in a latched position.

A dual stage accelerator pedal assembly is provided that is capable of communicating various vehicle operating conditions to the driver as well as notifying the driver of a critical operating condition, such as a low battery pack level, via a change in pedal resistance. The change in pedal resistance is achieved by preloading one of the springs in the accelerator pedal's spring assembly. The spring assembly uses two springs exhibiting different spring force to achieve distinguishable first and second pedal stroke stages.

A centerline marker holder used for engaging and sliding along a portion of two intersecting walls and sliding along an exterior or interior rounded or bull nose corner between the walls. The marker holder uses a pencil for drawing a centerline along a length of the corner. The marker holder includes a flat, first wall engaging member attached at an angle to a flat, second wall engaging member. Along a length of an intersection of the first and second wall engaging members is a centerline hole. The centerline hole is dimensioned to receive the pencil therethrough for marking the centerline. The marker holder also includes a plurality of offset holes from the centerline hole for drawing parallel offset lines at a selected distance from the centerline.

A periodic permanent magnet (PPM) klystron has beam transport structures and RF cavity structures, each of which has permanent magnets placed substantially equidistant from a beam tunnel formed about the central axis, and which are also outside the extent of a cooling chamber. The RF cavity sections also have permanent magnets which are placed substantially equidistant from the beam tunnel, but which include an RF cavity coupling to the beam tunnel for enhancement of RF carried by an electron beam in the beam tunnel.

A touch probe (1; 1'; 1″; 1'″) for applications in machine tools or measuring machines includes a support frame (2) with a protective casing (3), and a movable armset (5) with a feeler (11) to touch a part to be checked (13). The probe includes a detection device (23) with a laminar piezoelectric transducer (25) made of polymeric material, such as polyvinylidene fluoride, which is connected to the support frame and fixed at a bearing and locating area (7), on which the movable armset rests in a position defined by an isostatic rest system (17). Conditioning electronics (30) connected to the support frame include processing means for processing a force signal (M) provided by the detection device, comparing it with a threshold value (S) and generating a touch signal (T). The conditioning electronics include differential charge amplifiers (3) and a processing system (55) to dynamically vary the threshold value depending on the most recent values of the force signal detected.

Provided is an apparatus for measuring a shape and area of a ship block, which may accurately recognize a piling location of a ship block by measuring a shape and area of the ship block piled up in a yard. The apparatus for measuring a shape and area of a ship block includes a direction angle sensor, a range finder, a radio frequency identification (RFID) reader and a block shape and area measuring system. The block shape and area measuring system includes a block shape and area measuring server, a vector calculating module, a coordinate calculating module, a shape and area extraction module and a memory module.

Disclosed is a rule assembly having a housing, a reel rotatably mounted in the housing, an elongated blade wound on the reel and extendable through an opening in the housing, and a permanent end hook member attached to the elongated blade with a first hook portion. The rule assembly further has another or second end hook member that is removably attachable to the elongated blade with a second hook portion. Each of the permanent end hook member and second end hook member are capable of limited movement relative to the blade between an extended position and a retracted position. The second hook portion can extend in a direction opposite to that of the first hook portion. A forward surface of the second hook portion can be aligned with a forward surface of the first hook portion to form a larger surface area for engagement with a workpiece.

A measurement gauge, comprising a pair of jaws biased in a closed position; a normalizing member surrounding one of the jaws when the pair of jaws is closed, the normalizing member biased in an extended position; a handle coupled to the pair of jaws and normalizing member such that movement from an extended handle position to an retracted handle position opens the pair of jaws and moves the normalizing member to an retracted position.

A method of operating a coordinate positioning apparatus comprising an articulated head having at least one rotational axis. The method comprises, in any suitable order, loading at least one interchangeable task module onto the articulated head; and loading at least one interchangeable task module counterweight on the articulated head. The at least one interchangeable task module counterweight at least partially counterbalances the weight of the at least one task module on the articulated head about the at least one axis.

To enable firm bonding to a member including a polyaryl ether ketone resin. A bonding method including: a bonding material applying step for applying, to the surface of a member including a polyaryl ether ketone resin, a bonding material including (A) a polymerizable monomer and (B) at least a portion of components for configuring a polymerization initiator, the content ratio of polymerizable monomers at least having two or more polymerizable functional groups in a (p2) molecule among all polymerizable monomers being 50% by mass or greater, and the content ratio of polymerizable monomers at least having one or more polymerizable functional groups and one or more functional groups capable of hydrogen bonding in a (p1h1) molecule being 5% by mass or greater; and a curing step for curing the bonding material. A bonding material and bonding kit using the bonding method.

A multi-layer coating of alternating titanium nitride (TiN) and titanium carbo nitride (TiCN) layers is applied to at least part of a dental device for use in attaching crowns, overdentures, and the like in a patient's jaw, where the outermost layer is TiCN with a predetermined percentage of carbon to produce a pink color. The pink outermost layer is of sufficient thickness to conceal the color of the underlying layers, and is very hard and resistant to wear and damage in use. At the same time, the outermost TiCN layer is of a color consistent with the gingival anatomy, and is very hard and resistant to wear and damage in use.

An archwire for use with a passive self-ligation orthodontic bracket is described and which includes a resilient main body which is received in the archwire slot, and which further has a predetermined width dimension, and a variable thickness dimension, and wherein the variable thickness dimension of the archwire can be varied so as to facilitate an adjustable application of a force to the passive self-ligation orthodontic bracket so as to achieve a clinician selectable and controllable second and third order movement of a patient's tooth.

An orthodontic bracket is described and which includes an archwire slot for receiving and cooperating with an archwire having a given shape, and wherein the bracket body has multiple forms each having an immovable anterior facing surface which lies in a given plane, and wherein the various forms of the bracket body can be rendered operable to express first, second or third order movement to a patient's tooth undergoing a clinician directed orthodontic treatment.

The invention relates to a method for the preparation of a blank from a ceramic material, wherein at least two layers of ceramic material of different compositions are filled into a die layer-by-layer and after filling of the layers they are then pressed and sintered, wherein after filling of a first layer this is structured on its surface in such a way that the first layer, viewed across its surface, differs in its height from region to region, and then a layer with a composition that differs from the first layer is filled as a second layer into the mold.

A driven damper assembly, comprises a first main-damper cover plate comprising an inclined portion. The inclined portion comprises a notch. A first plane passes through the first pre-damper cover plate. A second plane passes through the first main-damper cover plate and is parallel to the first plane. The notch comprises a first wall and a second wall. The first wall is not parallel to the second wall. The inclined portion extends away from the second plane at an angle greater than zero degrees away from the second plane and less than ninety degrees away from the second plane. The first pre-damper cover plate comprises a tab with a first portion extending outwardly at an angle greater than zero degrees away from the first plane and less than ninety degrees away from the first plane, wherein the tab engages the notch at the first wall and the second wall.

A hysteresis device assembly comprises a first spacer plate, a second spacer plate, a stack plate, and a hub. The hub engages the second spacer plate. The hysteresis device assembly further comprises a tabbed washer comprising a tab. The tab engages the first spacer plate and the stack plate.

An assembly comprising a first member, a second member, and a clutch plate. The second member is maintained in a spaced apart relationship from the first member. The clutch plate has radially extending engagement structures and is disposed between the first member and the second member. The clutch plate has a first half and a second half that are slidably rotatable with respect to one another. The first half and the second half of the clutch plate rotate in opposite directions when axial pressure is applied to the first member.

A self-locking clutch mechanism comprising a base, an output member journalled to the base, a first spring engaged between the base and the output member, the first spring exerting a first spring force in a first direction, a clutch spring engaged with an intermediate member and frictionally engaged with a base cylindrical surface, an input member rotationally engaged with the base, the input member intermittently engagable with the clutch spring through a control member such that the clutch spring is temporarily released from the base cylindrical surface upon a rotary movement of the control member in a first direction, the intermediate member rotates upon release of the clutch spring from the base cylindrical surface, and a second spring engaged between the intermediate member and the output member, the second spring exerting a second spring force opposite the first spring force.

A torsional vibration damper assembly for a hydrokinetic torque coupling device, comprises a torsional vibration damper, and a dynamic absorber operatively connected to the torsional vibration damper. The torsional vibration damper comprises a driven member rotatable about a rotational axis, a first retainer plate rotatable relative to the driven member coaxially with the rotational axis, and a plurality of damper elastic members interposed between the first retainer plate and the driven member. The damper elastic members elastically couples the first retainer plate to the driven member. The dynamic absorber includes an inertial member. The inertial member is mounted to the torsional vibration damper rotatably relative to the driven member. The inertial member is rotationally guided and centered relative to the rotational axis by the driven member of the torsional vibration damper.

The present invention relates to a lockup apparatus for a torque converter and aims to obtain a smooth relative movement of a equalizer plate with respect to a deformation of a drive plate. The drive plate 26 as an inlet sided rotating member is connected to a driven plate 22 as an outlet sided rotating member by means of damper springs 28 in a rotating direction. The damper spring 28 is constructed by a pair of divided parts 28A and 28B. An equalizer plate as an intermediate member 29 is arranged so as to slide rotatably on bearing parts 26-1 of the drive plate 26 and supporting parts 40 fixed to the equalizer plate 29 are arranged between the divided parts 28A and 28B of the damper springs 28. The bearing part 26-1 of the drive plate 26 has an outer peripheral surface 26-1a', of which arc shape has a center C' of a curvature which is offset from the center C of the arc shape of the inner peripheral surface 29a of the equalizer plate 29.

A lockup clutch for a torque converter is provided. The lockup clutch includes a clutch plate and a piston assembly. The piston assembly includes a base section and a shim fixed to the base section. The shim is arranged for contacting the clutch plate to cause engagement of the lockup clutch. A method of forming a lockup clutch is also provided. The method includes fixing a shim to a base section to form a piston assembly; and arranging the piston assembly adjacent to a clutch plate such that the shim is arranged for contacting the clutch plate to cause engagement of the lockup clutch. A torque converter is also provided.

In a locking type reverse input blocking clutch, smooth finished surfaces having no directionality are formed, by barrel polishing, on surfaces brought into contact with rollers while rotation is being transmitted from the input side to the output side, i.e. an inner peripheral cylindrical surface of an outer ring and a surface of a lid portion opposed to the rollers. With this arrangement, it is possible to reduce the sliding resistance between the rollers and the outer ring and between the rollers and the lid portion, without the need to reduce the forces of springs for pushing the rollers into narrow portions of wedge-shaped spaces. This in turn makes it possible to reduce the torque necessary to transmit rotation from the input side to the output side, while maintaining high locking performance.

An integrated torque limiter/no-back device for use in an actuator with an input shaft, an output, and a gear reduction. The device includes an input ramp, an output ramp coupled to the gear reduction, a combined ramp disposed between the input ramp and the output ramp, a first plurality of balls arranged between the input ramp and the combined ramp, a second plurality of balls arranged between the combined ramp and the output ramp, a pin, and a brake. The pin extends from the input ramp to the combined ramp and coupled to the input shaft. The combined ramp, the output ramp, and the second plurality of balls therebetween are configured to operate as a torque limiter by causing the combined ramp and the output ramp to separate and the output ramp to engage the brake when the torque from the input shaft exceeds a torque threshold.

Systems and methods for applying markings to an article are disclosed. One aspect comprises providing a dye pad shaped to correspond to a desired marking; applying an infusion dye to the dye pad; applying an activation solution to the infusion dye, thereby forming an infusion dye mixture; placing the dye pad in contact with a discrete area of an outer surface of the article; leaving the dye pad in contact with the outer surface of the article under room temperature and pressure, for a duration sufficient to allow the infusion dye mixture to open a polymeric structure of a material of the outer surface and to allow the infusion dye to penetrate the outer surface and form the desired marking within a substrate of the article; and removing the dye pad from the outer surface. An infusion dyeing kit and method for supplying a kit are also disclosed.

The present disclosure therefore relates to a method for lightening keratin materials, in which the following are used: (a) a direct emulsion (A) comprising at least one fatty substance in an amount greater than 25% by weight, such as greater than 50%, at least one surfactant; at least one alkaline agent and an amount of water greater than 5% by weight, of the total weight of the emulsion, (b) a composition (B) comprising at least one oxidizing agent. It also relates to a multi-compartment device comprising, in one compartment, an emulsion (A), in another compartment a composition (B) comprising at least one oxidizing agent.

A photoresist composition includes a binder resin combined with a black dye, a monomer, a photo-polymerization initiator and a remainder of a solvent.

As associative thickener obtainable by free radical polymerization, the preparation thereof and the use thereof in paper coating slips are described. The associative thickener is formed from (a) acid monomers selected from ethylenically unsaturated C3- to C8-carboxylic acids, (b) associative monomers of the general formula H2C═CR1—COO-(EO)n—(PO)m—R2, in which R1 is hydrogen or methyl, n is a number of at least two, m is a number from zero to 50, EO is an ethylene oxide group, PO is a propylene oxide group and R2 is a C8-C30-alkyl group or a C8-C30-alkaryl group, and (c) nonionic, copolymerizable monomers differing from a) and b), the reaction product having been reacted, after the polymerization, with initiators forming nonionic radicals.

The present application provides preparations for changing the color of keratinic fibers, containing in a cosmetically acceptable carrier, at least one color-changing agent, at least one soap, at least one non-ionic surfactant of formula (I), in which R1 denotes an alkyl or alkenyl residue having 5 to 21 carbon atoms, R2 denotes a C2-C4 monohydroxyalkyl residue, and R3 denotes hydrogen, a C1-C4 alkyl residue or a C2-C4 monohydroxyalkyl residue, and at least one propellant wherein the preparation is in the form of a foam, and a proportion of gas in the foam is at least 50% by volume.

A track and hold circuit comprises an input buffer amplifier, a unit gain amplifier module, a sampling switch, a drive triode and a sampling capacitor. The input buffer amplifier receives an input signal. In a track phase, the sampling switch is electrically connected to an emitter electrode of the drive triode; the input signal charges the sampling capacitor after being buffered by the input buffer amplifier, amplified without distortion by the unit gain amplifier module and driven by the drive triode. In a hold phase, the sampling switch is electrically connected to a base electrode of the drive triode; the base voltage of the drive triode is pulled down until the drive triode is cut off; electrical charges on the sampling capacitor are thereby held, causing the signal to be held on the sampling capacitor.

A transmission circuit includes: a first transistor, a first current source, a third transistor. The first transistor has a source terminal coupled to a first reference voltage terminal of the transmission circuit and a drain terminal coupled to a first output terminal of the transmission circuit. The first current source is coupled between a gate terminal of the first transistor and a second reference voltage terminal of the transmission circuit. The third transistor has a drain terminal coupled to the first output terminal of the transmission circuit, a source terminal coupled to the second reference voltage terminal of the transmission circuit, and a gate terminal for receiving a first input signal. The first transistor is of a first conducting type, and the second transistor is of a second conducting type different from the first conducting type.

A clock generation circuit may include a reference clock generator configured to generate a pair of first reference clocks in an offset code generation mode, a correction code generator configured to generate a reference correction code according to a duty detection signal based on a phase difference between the pair of first reference clocks, and an offset code generator configured to generate an offset code based on the reference correction code and a preset reference code.

In some embodiments, a phase-locked loop (PLL) system comprises a phase-frequency detector (PFD) configured to compare a phase-frequency reference signal and a feedback signal, a charge pump (CP) electrically coupled to the PFD and configured to produce a first tuning signal based on an output of the PFD, multiple integrator cells electrically coupled to the CP and configured to output multiple second tuning signals based on a voltage of the first tuning signal relative to a voltage reference signal, and a voltage-controlled oscillator (VCO) electrically coupled to the CP and to the multiple integrator cells and configured to adjust a capacitance value of the VCO based on the multiple second tuning signals. The capacitance value and the first tuning signal affect a frequency of the feedback signal.

A phase locked loop (PLL) includes a controllable oscillator, a charge pump, a type II loop filter, a frequency divider, a phase error processing circuit, a phase frequency detector and a phase alignment circuit. The controllable oscillator generates an oscillating signal. The charge pump circuit generates a charge pump output in a calibration mode. The type II loop filter generates a first control signal to the controllable oscillator according to the charge pump output. The frequency divider performs frequency division upon the oscillating signal for generating a feedback signal. The phase error processing circuit outputs an adjusting signal by comparing a reference signal with the feedback signal. The phase frequency detector generates a detection signal by comparing the feedback signal and the reference signal. The phase alignment circuit generates a second control signal in the calibration mode.

To provide a clock selection circuit capable of reducing clock omission generated when switching from a state of being synchronized with a first clock to a second clock. The clock selection circuit is equipped with a clock detection circuit which detects a first clock to output a detected signal, a switch which outputs the first clock when the detected signal is at a first level and outputs a second clock when the detected signal is at a second level different from the first level, and a one-shot circuit which outputs a one-shot pulse in response to switching of the detected signal from the first level to the second level. The output of the switch and the output of the one-shot circuit are added to be outputted as an output clock.

A clock-signal generator circuit, for generating an output clock signal starting from an input clock signal, includes: a monostable stage having a clock input configured to receive the input clock signal, a control input configured to receive a control signal, and an output configured to supply the output clock signal having a duty cycle variable as a function of the control signal; and a feedback loop, operatively coupled to the monostable stage for generating the control signal as a function of a detected value, and of a desired value, of the duty cycle of the output clock signal.

A double frequency-shift keying modulating device includes a modulation module. The modulation module receives an oscillating signal and a digital signal, and generates a modulation output signal that has a first frequency. The first frequency is associated with a frequency of the oscillating signal and varies periodically at a second frequency. The second frequency is associated with the digital signal and the frequency of the oscillating signal.