| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 368124000 | ESCAPEMENTS | 70 |
| 368125000 | With oscillating or reciprocating means | 70 |
| 20110044139 | ISOCHRONISM CORRECTOR FOR CLOCKWORK ESCAPEMENT AND ESCAPEMENT PROVIDED WITH SUCH A CORRECTOR - A mechanical oscillator isochronism corrector includes:
| 02-24-2011 |
| 368126000 | Magnetic type | 1 |
| 20120269043 | REGULATING MEMBER FOR A WRISTWATCH, AND TIMEPIECE COMPRISING SUCH A REGULATING MEMBER - Regulating member for a wristwatch movement, including:
| 10-25-2012 |
| 368127000 | Balance wheel type | 67 |
| 20100103782 | TIMEPIECE MOVEMENT WITH A KARUSSEL - The timepiece movement ( | 04-29-2010 |
| 20130070570 | IMMOBILIZING DEVICE FOR A TOOTHED WHEEL - The invention relates to an immobilizing device for a toothed wheel suitable for the field of horology where it can be part of a direct- or indirect-impulse escapement, in particular in a wristwatch. This immobilizing device ( | 03-21-2013 |
| 20090274012 | MECHANISM TO AVOID RATE VARIATIONS DUE TO GRAVITATION IN A SPRUNG BALANCE REGULATING ORGAN, AND TIMEPIECE PROVIDED WITH SUCH A MECHANISM - The mechanism avoids the rate variations due to the effect of gravitation on a regulating organ of a timepiece whose regulating organ includes a sprung balance and an escape wheel mounted onto a platform. The platform includes an unbalance and is mounted so as to freely rotate about at least a first axis relative to a plate of the movement so that this platform will rotate about the first axis under the effect of terrestrial gravitation. This mechanism includes a wheelwork with a driving kinematical chain linking the escape wheel to a barrel system of the timepiece, and a corrective kinematical chain compensating the movements and speed of the platform relative to the plate, so that these movements of the platform will not perturb the chronometry of the timepiece, this wheelwork including one or several epicycloidal gear trains, each of which contains wheels with straight toothing exclusively. | 11-05-2009 |
| 20110116347 | SPRUNG BALANCE RESONATOR FOR A TIMEPIECE - The invention relates to a resonator ( | 05-19-2011 |
| 20100135127 | TIMEPIECE MOVEMENT FITTED WITH AN INERTIAL COUPLING MECHANISM - A timepiece movement comprising a coupling mechanism including first and second coupling wheel sets, whereby the rotation of the first coupling wheel set causes the second coupling wheel set to rotate, whereby the coupling mechanism is a centrifugal coupling mechanism including an inertial click secured to the hub of the first coupling wheel set, and meshing with stop members secured to the second coupling wheel set. | 06-03-2010 |
| 20080239883 | TIMEPIECE - A timepiece having a mainspring, an output wheel that is rotated by torque output from the mainspring, a lever that pivots synchronously to the output wheel, and a pressure member that pushes the lever. The pressure member pushes the lever so that the output torque of the output wheel increases as the mainspring unwinds. | 10-02-2008 |
| 20080259737 | ESCAPEMENT INCLUDING TWO ESCAPE WHEELS - The escapement includes first ( | 10-23-2008 |
| 20080198701 | Timepiece - In order to counter the effects of the Earth's gravitational force on the operation of a watch movement, the timepiece includes an escapement mechanism designed to drive a finish gear-train of a watch movement which defines a reference plane, and a balance co-operating with the escapement mechanism. Particularly, the balance is mounted in a frame ( | 08-21-2008 |
| 20110228644 | Detachable Clock and Gear Assembly Structure - The present invention relates to an improved detachable clock and watch gear assembly structure, which divides the gear assembly into detachable and independent first and second devices; the first device comprises: main and pinion gear representing hour, minute and second hands, spiral spring wheel for storing energy and spiral spring for ringing; the second device comprises: time-controlled precision escapement wheel, pallet, balance spring and balance wheel; of which, the first device can clamp securely the main and pinion gears as well as spiral spring by using upper/lower plywood along with the fixed leg, so can the second device clamp securely the escapement wheel, pallet, balance spring and balance wheel in the same way; an fixed arm is extended from the upper/lower plywood at one side of the first device to clamp the second device and fix it by bolt for meshing and interlocking purpose; with this design, the first device can be checked or replaced in common repair or replacement process, helping to avoid error disassembly of the precision second device and difficult alignment or otherwise malfunction for easier and quicker assembly purpose. | 09-22-2011 |
| 20100157743 | FIXATION OF A SPIRAL SPRING IN A WATCH MOVEMENT - A method is disclosed for making an isochronous balance-wheel-and-spring assembly for a horological movement in which one spring out of a series of springs is paired with a balance wheel. The spring has characteristics that vary by comparison with other springs of the series, and the spring is designed to be mounted on the staff of the balance-wheel via a collet. One collet out of a set of collets of different sizes is selected on the basis of the spring's characteristics. The collets of different sizes have connection points for attachment of the spring that are located (after assembly) at different distances from the center of the balance staff, the choice of the collet of the most appropriate size facilitating the adjustment of the balance-wheel-and-spring assembly. | 06-24-2010 |
| 20100214880 | REINFORCED MICRO-MECHANICAL PART - The micro-mechanical part, for example a horological movement part, includes a silicon core ( | 08-26-2010 |
| 20100149926 | DETENT ESCAPEMENT - This escapement comprises a balance wheel fastened to an impulse element ( | 06-17-2010 |
| 20110026373 | MECHANISM TO AVOID RATE VARIATIONS DUE TO GRAVITATION IN A SPRUNG BALANCE REGULATING ORGAN, AND TIMEPIECE PROVIDED WITH SUCH A MECHANISM - The mechanism avoids the rate variations due to the effect of gravitation on a regulating organ of a timepiece whose regulating organ includes a sprung balance and an escape wheel mounted onto a platform. The platform includes a counterweight and is mounted so as to freely rotate about at least a first axis relative to a plate of the movement so that this platform will rotate about the first axis under the effect of terrestrial gravitation. This mechanism includes a wheelwork with a driving kinematical chain linking the escape wheel to a barrel system of the timepiece, and a corrective kinematical chain compensating the movements and speed of the platform relative to the plate, so that these movements of the platform will not perturb the chronometry of the timepiece. | 02-03-2011 |
| 20110019506 | ESCAPEMENT MECHANISM - An escapement mechanism adapted for transmitting mechanical energy pulses from a driving source to an oscillating regulator of a timepiece via a blade spring ( | 01-27-2011 |
| 20110019505 | COAXIAL HOROLOGICAL MOVEMENT - Horological movement comprising an energy accumulator ( | 01-27-2011 |
| 20100097899 | WATCH MOVEMENT - A watch movement, includes a frame ( | 04-22-2010 |
| 20110096635 | TOURBILLON AND TIMEPIECE MOVEMENT INCLUDING THE SAME - The tourbillon mechanism is characterized in that it includes a toothed wheel ( | 04-28-2011 |
| 20110096636 | REGULATING ORGAN COMPRISING AT LEAST TWO BALANCES - The present invention concerns a regulating organ, in particular a regulating organ adapted to be integrated into a mechanical watch. The regulating organ comprises a first balance and a first spiral. Moreover, the regulating organ comprises at least one second balance fastened on the axle of said first balance. The present invention also concerns a movement of a mechanical watch or a watch piece comprising such a regulating organ. | 04-28-2011 |
| 20090185456 | ELECTROMECHANICAL ESCAPEMENT DEVICE AND TIMEPIECE PART UTILIZING SUCH A DEVICE - The electromechanical escapement device is associated with an electronic circuit having a quartz oscillator and calculation means suitable for calculating the difference between the period of the quartz oscillator and the period of a mechanical oscillator and releasing an escape wheel, normally controlled by said mechanical oscillator, when the difference between said periods is greater than a threshold value. | 07-23-2009 |
| 20090168610 | HOROLOGICAL MOVEMENT COMPRISING A HIGH OSCILLATION FREQUENCY REGULATING DEVICE - The horological movement comprises a regulating device having an oscillation frequency f and an escapement ( | 07-02-2009 |
| 20100238769 | TIMEPIECE MOVEMENT WITH A TOURBILLON FITTED WITH A SHOCK PROTECTION DEVICE - The invention concerns a timepiece movement including a tourbillon that has a rotating carriage bearing a sprung balance and an escapement, wherein said carriage includes a top pivot and a bottom pivot, respectively carried by a top bridge and a bottom bridge of the carriage, and said carriage pivots between a bottom plate of said timepiece movement and a bridge of said movement, characterized in that it further includes a stop member, arranged for limiting the axial shake of the carriage. | 09-23-2010 |
| 20120063274 | Detent escapement for timepiece and mechanical timepiece - A detent escapement for a timepiece has an escape wheel and a balance that freely oscillates about a balance staff and includes an impulse jewel that contacts a wheel tooth of the escape wheel and an unlocking stone. A blade includes a locking stone that contacts the wheel tooth of the escape wheel and is supported so as to be capable of approaching to and separating from the escape wheel. A one-side actuating spring contacts the unlocking stone and is elastically deformed along the approaching and separating direction with respect to the blade. The blade is constituted of a blade main body and a blade adjustment portion that is separated from the blade main body. | 03-15-2012 |
| 20120063273 | Detent escapement for timepiece and mechanical timepiece - A detent escapement for a timepiece capable of decreasing energy loss with respect to a free oscillation of a balance and improving a timekeeping accuracy is provided. In addition, a detent escapement of a timepiece capable of realizing miniaturization and suppressing variations in the accuracy of a finished product due to assembly errors is provided. A one-side actuating spring of a detent | 03-15-2012 |
| 20120113765 | ANTI-TRIP DEVICE FOR AN ESCAPE MECHANISM - Anti-trip device ( | 05-10-2012 |
| 20120113764 | SYNCHRONOUS ESCAPEMENT FOR A TIMEPIECE MECHANISM - Escape wheel ( | 05-10-2012 |
| 20120113763 | ANTI-TRIP DEVICE FOR AN ESCAPE MECHANISM - The invention concerns an anti-trip device ( | 05-10-2012 |
| 20120026845 | WEAR AND SHOCK RESISTANT ESCAPEMENT LEVER FOR A TIMEPIECE MOVEMENT - The invention concerns a escapement lever ( | 02-02-2012 |
| 20100128573 | CLOCKWORK - Mechanical clockwork assembly, comprising a drive mechanism, a mechanical control device comprising a mechanical oscillator and a first transmission device for providing a transmission between the drive mechanism and the mechanical oscillator, an electric generator and a second transmission device for providing a transmission between the drive mechanism and the generator, wherein the generator is spaced apart from the mechanical oscillator. In one embodiment the clockwork assembly comprises a sensor for determining a timing of the mechanical oscillator, an actuator for adapting a timing of the mechanical oscillator, an electronic control device connected to the sensor and the actuator, wherein the control device comprises an entry for a reference signal for controlling the timing of the mechanical oscillator on the basis of the reference signal, and wherein at least the control device is connected to the generator for supplying the control device with electric energy from the generator. | 05-27-2010 |
| 20100091617 | TIMEPIECE GEAR TRAIN - The invention concerns a timepiece gear train including at least one pair of circular toothed elements ( | 04-15-2010 |
| 20100246338 | TIMEPIECE MOVEMENT INCLUDING A KARUSSEL - The timepiece movement includes a barrel, an escapement that has an escape wheel and pinion ( | 09-30-2010 |
| 20120127836 | HOROLOGICAL MOVEMENT COMPRISING A HIGH OSCILLATION FREQUENCY REGULATING DEVICE - The horological movement comprises a regulating device having an oscillation frequency (f) and an escapement for maintaining the oscillations of the regulating device. The escapement comprises an escape wheel having (N) teeth. The frequency (f) is at least equal to about 5 Hz, and the ratio between the number (N) of teeth and the frequency (f) is substantially equal to 5. | 05-24-2012 |
| 20120075963 | ANTI-TRIP BALANCE-SPRING FOR A TIMEPIECE ESCAPEMENT - The anti-trip balance-spring for a timepiece escapement which has no stop member is intended to oscillate between two extreme positions, passing through a position of equilibrium. It includes a plurality of coils and further includes means for locking at least two consecutive coils when the amplitude of rotation from the position of equilibrium to at least one of the end positions, reaches a determined angle Ψ. | 03-29-2012 |
| 20080298179 | High-Performance Lever Escapement - The invention concerns an escapement ( | 12-04-2008 |
| 20110038233 | MODULAR HOROLOGICAL MOVEMENT - The present invention relates to a timepiece movement allowing the arrangement of the various displays to be varied. The movement according to the invention comprises a first module provided both with a first frame and with at least one first wheel assembly mounted rotatably on the first frame, a second module provided both with a second frame and with at least one second wheel assembly mounted rotatably on the second frame, which first and second wheel assemblies are connected kinematically together, positioning means, and, connected to the first and second frames, means for fixing the modules to each other. The positioning means are positioned concentrically with the axis of rotation of either the first or second wheel assembly and are arranged so as to allow relative positioning of the two modules in a plurality of angular positions with reference to the axis of rotation of the wheel assembly with which the positioning means are concentric. According to the invention, either the first or second module is a going-train module ( | 02-17-2011 |
| 20120269044 | GOING TRAIN FOR A TIMEPIECE - The going train for a timepiece has a mechanical movement having a frame ( | 10-25-2012 |
| 20120092969 | CLOCK MOVEMENT - The invention relates to a clock movement including a frame ( | 04-19-2012 |
| 20130016590 | TIMEPIECE MOVEMENT COMPRISING A MODULE FITTED WITH A WHEEL SET MESHING WITH ANOTHER WHEEL SET PIVOTING IN A BASE ON WHICH THE MODULE IS MOUNTEDAANM Moulin; JulienAACI VollegesAACO CHAAGP Moulin; Julien Volleges CHAANM Villar; IvanAACI BienneAACO CHAAGP Villar; Ivan Bienne CHAANM Kaelin; LaurentAACI SonvilierAACO CHAAGP Kaelin; Laurent Sonvilier CHAANM Wyssbrod; BaptistAACI NidauAACO CHAAGP Wyssbrod; Baptist Nidau CH - Timepiece movement including a module fitted with a first wheel set meshing with a second wheel set, which pivots on a base on which the module is mounted. The movement includes a means of positioning the module formed by a cam, at least most of the periphery of which forms an Archimedes' spiral. The cam is arranged so as to allow the distance of centres between the first and second wheel sets to be adjusted, when the cam is rotated on itself about the centre of the Archimedes' spiral. The cam is preferably calibrated. The invention also concerns a method of adjusting the distance of centres between the two wheel sets using said cam to optimise the gearing efficiency of the two wheel sets. | 01-17-2013 |
| 368129000 | Carrying impulse receiving means | 24 |
| 20100002548 | COUPLED RESONATORS FOR A TIMEPIECE - The resonator ( | 01-07-2010 |
| 20120243386 | Mechanical watch movement - Mechanical watch movement comprising a mechanical chronograph with a regulator organ for regulating the running of the chronograph, characterized in that the regulator organ of the chronograph is placed in an imaginary circle (A) coaxial to the movement and having a radius (r | 09-27-2012 |
| 20120307601 | IMPACT-PROOF TIMEPIECE ESCAPEMENT - An escapement includes an escapement wheel ( | 12-06-2012 |
| 20120250468 | ESCAPEMENT MECHANISM IN PARTICULAR FOR A TIMEPIECE MOVEMENT - A timepiece movement includes an escapement mobile connected to a barrel by a going train and a spring balance as well as an escapement mechanism ( | 10-04-2012 |
| 20120250467 | ESCAPEMENT MECHANISM IN PARTICULAR FOR A TIMEPIECE MOVEMENT - The constant force escapement mechanism in particular for a timepiece movement including a spring balance and an escapement gear connected to a barrel by a going train includes a constant force auxiliary spring ( | 10-04-2012 |
| 368130000 | On balance shaft | 19 |
| 20130070571 | DETENT ESCAPEMENT AND MECHANICAL TIMEPIECE - A detent escapement | 03-21-2013 |
| 20090168611 | DRIVING AND TRANSMITTING ELEMENT FOR AN ESCAPEMENT, ROLLER TABLE AND ESCAPEMENT EQUIPPED WITH THEM, AND TIMEPIECE INCLUDING THEM - The driving and transmitting element ( | 07-02-2009 |
| 20100278017 | TOURBILLON WITHOUT THE WEIGHT OF THE BALANCE - Tourbillon mechanism for a watch having a turning cage mounted in pivoting manner in a first and second cage bearing lodged in fixed elements of the watch; an escapement mobile integral with the cage; and a regulating element in the form of a spiral balance capable of oscillating around a balance staff according to pulses received from the escapement mobile. The balance staff is mounted in pivoting manner in the balance bearings lodged outside the cage. The outer extremity of the spiral hairspring is fastened to the cage through a hairspring stud. | 11-04-2010 |
| 368131000 | With pallet lock | 16 |
| 20090268565 | Oblique Tourbillon - A tourbillon is provided that includes a platform rotatable about a platform axis. In one implementation, the platform carries an escapement including an escape-wheel and pallets, wherein the escape-wheel is rotatable about an escape-wheel staff, the pallets are rotatable about a pallet-staff, and the escape-wheel staff and the pallet-staff are disposed so as to be essentially parallel to the platform axis. The platform also carries a balance-wheel rotatable about a balance-staff, wherein the balance-staff is arranged at an angle of inclination ∝ with respect to the platform axis. | 10-29-2009 |
| 20080219103 | Detent Escapement for Timepiece - An escapement for a timepiece movement includes a toothed escape wheel, a balance and a detent respectively pivoted on rotation axes. The detent supports a pallet lock that interacts with the first tooth of the escape wheel along a certain length of penetration in order to block it in an idle phase during which the balance executes a free arc of oscillation. An impulse pallet rotationally driven by the balance interacts with a second tooth when the detent is pivoted in order to release the escape wheel, this wheel turning by a forward pitch before being blocked again by the pallet lock by interaction with the second tooth. The escapement also includes a limiting plate, which is coaxial and rotationally secured to the balance, has a periphery including a substantially circular main portion and a cutout positioned facing the pallet lock in the release phase. | 09-11-2008 |
| 20080259739 | LEVER ESCAPEMENT FOR A TIMEPIECE - The lever escapement includes at least one escape wheel ( | 10-23-2008 |
| 20080259738 | DIRECT IMPULSE ESCAPEMENT FOR TIMEPIECE - The timepiece escapement includes first ( | 10-23-2008 |
| 20100182879 | LEVER ESCAPEMENT FOR A TIMEPIECE - The escapement comprises an escape wheel assembly ( | 07-22-2010 |
| 20100208555 | ESCAPEMENT GOVERNOR, MECHANICAL WATCH, PALLET FORK (INCOMPLETE) MANUFACTURING METHOD, AND ROLLER MANUFACTURING METHOD - Disclosed are an integrally molded type pallet fork (incomplete) with a safety pin and a roller table that are formed with high precision by a simple process, a thin escapement governor including the pallet fork (complete) and the roller table, and a method of manufacturing the pallet fork (complete) and the roller table. The pallet fork (complete) of the escapement governor includes a pair of entry horn and exit horn extending from the rotation axis of the pallet fork (complete) toward the rotation axis of a balance with hairspring and adapted to transmit the power of an escape wheel to an impulse pin; and a safety pin which is provided in a side surface of the pallet fork (complete) between the pair of entry horn and exit horn, which extends from the rotation axis of the pallet fork (complete) toward the rotation axis of the balance with hairspring, which is situated at a position nearer to the rotation axis of the pallet fork (complete) than the pair of entry horn and exit horn, which enters a passing hollow to thereby cause the pallet fork (complete) to make normal rotation or reverse rotation with respect to the rotation axis of the pallet fork (complete), and which abuts a portion of a roller other than the passing hollow to thereby prevent erroneous rotation of the pallet fork (complete); and the roller is formed in a single layer. | 08-19-2010 |
| 20080304369 | ANCHOR ESCAPEMENT INCLUDING TWO ESCAPE WHEEL SETS - The escapement includes two distinct escape wheel sets ( | 12-11-2008 |
| 20110080810 | Timepiece bearing, movement, and portable timepiece - To provide a timepiece bearing, a movement, and a portable timepiece helping to achieve an improvement in terms of time indication accuracy. A timepiece bearing | 04-07-2011 |
| 20100214881 | DIRECT-IMPULSE ESCAPEMENT, ESPECIALLY OF DETENT TYPE, FOR A HOROLOGICAL MOVEMENT - This escapement comprises a balance wheel ( | 08-26-2010 |
| 20110149696 | SWISS LEVER ESCAPEMENT - This Swiss lever escapement comprises an escape wheel having teeth, and a lever having on the one hand an entry pallet and an exit pallet that engage alternately with the teeth of the escape wheel, and on the other hand a fork that engages periodically with an impulse pin on a roller mounted on the staff of a regulator balance wheel. The relative width Lpl of each of said pallets, expressed as a percentage of the sum of the lengths of arc of one of said teeth and one of said pallets, measured at the circumference of the escape wheel is: | 06-23-2011 |
| 20120300596 | DETENT ESCAPEMENT AND MANUFACTURING METHOD THEREOF - In a detent escapement | 11-29-2012 |
| 20080279052 | Watch Escapement - The invention concerns an escapement for a mechanical watch comprising: an escapement wheel ( | 11-13-2008 |
| 20120014228 | TIMEPIECE - This timepiece is furnished with a direct impulse escapement comprising a locking lever ( | 01-19-2012 |
| 20120120774 | Anchor escapement and mechanical watch having the same - An anchor escapement of a mechanical watch has an escape wheel, a pallet fork engageable with or disengageable from a roller jewel of a pallet shaft having banking pin engaging portions at both sides, and pallet bridges engageable with the banking pin engaging portions at the pallet engaging portions to define the swing range of the pallet fork. One of the pallet shaft and the pallet bridges has elastic arm portions having engaging portions engageable with the engaging portions of the other member of the pallet shaft and the pallet bridge in a state in which the pallet fork fixes the escape wheel at the pallet jewel. | 05-17-2012 |
| 20120218870 | DETENT ESCAPEMENT AND MECHANICAL TIMEPIECE INCLUDING DETENT ESCAPEMENT - A detent escapement | 08-30-2012 |
| 20080298180 | LEVER ESCAPEMENT FOR A TIMEPIECE - The escapement includes an escape wheel set ( | 12-04-2008 |
| 368132000 | With levers | 6 |
| 20100046329 | TOURBILLON MOVEMENT FOR TIMEPIECE - A movement for a timepiece, that includes: a housing ( | 02-25-2010 |
| 20110205854 | DISPLAY MECHANISM FOR A TIMEPIECE FOR DISPLAYING OR NOT DISPLAYING THE CURRENT TIME - A display mechanism for a clock movement for controlling the movements of a member for displaying at least one indication related to the time or to the operation of a timepiece, includes a cam having a periphery with a predetermined shape and driven by a base wheel, a lever pivotally mounted relative to a frame member of the movement, between an abutment position associated with an indication position of the display member, and a standby position associated with a predetermined alternative position of the display member. The lever bears a feeler intended for interaction with the periphery of the cam so as to define the abutment position, and the lever further bears a rake engaged with a pinion for driving the display member. An elastic element applies a force onto the lever for positioning it in the abutment position. The mechanism includes a mobile control member having at least a stable standby and a stable indication position. | 08-25-2011 |
| 20080219104 | TANGENTIAL IMPULSE ESCAPEMENT - The tangential impulse escapement includes a lever device ( | 09-11-2008 |
| 20110216629 | TIMEPIECE INCLUDING A HIGH FREQUENCY MECHANICAL MOVEMENT - The invention relates to a timepiece ( | 09-08-2011 |
| 20120207000 | Bi-Axial High-Performance Escapement, or BHPE (EBHP) - An escapement ( | 08-16-2012 |
| 20110310709 | SINGLE PIECE WHEEL SET FOR A TIMEPIECE - The invention relates to a single piece coaxial escape wheel set ( | 12-22-2011 |
| 368134000 | Pendulum type | 1 |
| 20110273968 | Two-Phase Detached Escapement Mechanism for Oscillators and Related Systems - An enhanced escapement mechanism provides improved isolation of energy and torque for an oscillation system, e.g. a pendulum. In an exemplary embodiment, during a first phase, a pendulum releases an impulse arm that is decoupled from a main wheel, which falls and impulses the pendulum, such as at or near the middle of the pendulum swing. In a second phase, the impulse arm continues to fall, becoming totally detached from the pendulum, wherein the falling impulse arm releases the main wheel, which restores the impulse arm to its initial position. The main wheel continues to rotate until it is no longer in contact with the impulse arm, and is captured, such that the process may be repeated. While the enhanced escapement mechanism typically provides an impulse to an oscillation system during each period, alternate embodiments provide an impulse for each of a plurality of periods, e.g. once every ten periods. | 11-10-2011 |
