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| Number | Title | Issue Date |
| 8130596 | Electronic circuit controlling the operation of peripheral members of the watch The electronic circuit (1) controls the operation of the peripheral members of a watch. The circuit (1) includes a processor (2) connected to a non-volatile memory (3), which contains instructions to be carried out, peripheral member cont... | 03/06/2012 |
| 8009520 | Method and system for operating an atomic clock using a self-modulated laser with electrical modulation A polarization gain medium such as an emitting laser diode provides the optical pumping. An atomic vapor cell is positioned in the laser cavity providing spontaneous push-pull optical pumping inside the laser cavity. This causes the laser beam to be modulated at hyp... | 08/30/2011 |
| 7697377 | Portable timepiece and electronic apparatus A timepiece comprises an atomic oscillator for generating and outputting a reference clock signal, and a timepiece module that operates based on the reference clock signal, wherein the atomic oscillator and the timepiece module are disposed separately so as to be th... | 04/13/2010 |
| 7411867 | Stable composite clock Apparatus and method for producing a composite clock signal with optimized stability characteristics from individual clocks which have different stabilities or variances. The composite clock signal includes weighted individual clock signals. In a first (PPN) case, a... | 08/12/2008 |
| 7339646 | Connection structures of wiring board and connection structure of liquid crystal display panel A liquid crystal display device of the present invention comprises a liquid crystal display panel (1) provided with one or more electrode terminals (R1) to (Rn) and a pair of reference markers (N1) on a non-display region (3 | 03/04/2008 |
| 7339854 | Clock generator This clock generator comprises an oscillator for generating an alternating current pilot signal and a pulse formatting circuit which is intended to convert the pilot signal from the oscillator into a pulse clock signal having a duty factor of at least approximately ... | 03/04/2008 |
| 7337254 | Information processing system and method of controlling the same An information processing system operating in response to a remote control signal transmitted from a remote controller, the information processing system including a remote signal receiver to receive the remote control signal; an interrupt generator to generate a sy... | 02/26/2008 |
| 7320082 | Power control system for synchronous memory device A memory device with multiple clock domains. Separate clocks to different portions of the control circuitry create different clock domains. The different domains are sequentially turned on as needed to limit the power consumed. The turn on time of the domains is ove... | 01/15/2008 |
| 7317758 | PCM-to-PWM converter The invention relates to a method and a device for converting a digital, pulse-coded signal (PCM) to a pulse-width-modulated signal (PWM), wherein the digital signal PCM, f(t) is multiplied by at least one derivative (f′(t), f″(t), . . . , f(n) (t)) o... | 01/08/2008 |
| 7284142 | Real time interrupt module for operating systems and time triggered applications An interrupt timer module comprises a prescale counter (PSC) incremented by a real-time interrupt clock signal (RTICLK), a prescale compare value register (CVR) storing a configurable value (PCV), a comparator comparing the current count of the prescale counter (PSC... | 10/16/2007 |
| 7284145 | Clock control circuit and integrated circuit A clock management control circuit of the present invention is a clock control circuit for supplying a valid clock signal to a target circuit in accordance with a system clock signal. When a valid input instruction signal indicating timings of data input to the targ... | 10/16/2007 |
| 7278035 | System and method of real-time power management utilizing sideband pins that are dedicated to connect for transmitting sideband signal directly without software control A system and method of real-time power management for use in computer systems. The system utilization is assessed by a North bridge, and a result is transferred to a South bridge. Thereafter, through transmitting sideband signals to a voltage controller and a freque... | 10/02/2007 |
| 7272078 | Efficient clock calibration in electronic equipment A representative measurement indicating a relative oscillation speed of a reference clock during a representative calibration period is ascertained. Multiple calibration periods are defined including first and second calibration periods. The first calibration period... | 09/18/2007 |
| 7257727 | Timer systems and methods Systems and methods are disclosed for timer architectures. For example, in accordance with an embodiment of the present invention, a timer system includes a prescaler and one or more timer cells each having a multiplexer and a counter. ... | 08/14/2007 |
| 7237152 | Fail-operational global time reference in a redundant synchronous data bus system Methods and apparatus are provided for a fail-operational global time reference for a synchronous redundant data bus including multiple pluralities of timing servers cross-coupled between a plurality of buses in said redundant synchronous data bus system, the appara... | 06/26/2007 |
| 7218568 | Circuit and method for operating a delay-lock loop in a power saving manner A control circuit for a delay-lock loop having a delay line and a phase detector is used in a memory device. In a standby mode, the control circuit isolates a reference clock signal from the delay-lock loop to save power unless a clock signal generated by the loop i... | 05/15/2007 |
| 7177208 | Circuit and method for operating a delay-lock loop in a power saving manner A control circuit for a delay-lock loop having a delay line and a phase detector is used in a memory device. In a standby mode, the control circuit isolates a reference clock signal from the delay-lock loop to save power unless a clock signal generated by the loop i... | 02/13/2007 |
| 7139921 | Low power clocking systems and methods A low power reconfigurable processor core includes one or more processing units, each unit having a clock input that controls the performance of the unit; and a controller having a plurality of clock outputs each coupled to a respective clock input of one of the pro... | 11/21/2006 |
| 7134784 | Rotating bezel watch The present invention discloses a rotating bezel watch including a watch face having an hour hand, minute hand and second hand connected at substantially a center of thereof and a rotatable bezel connected to the watch face. The watch further includes means for rota... | 11/14/2006 |
| 7123109 | Crystal oscillator with variable bias generator and variable loop filter An oscillator circuit may be operated in a high power mode or a reduced power mode. The high power mode provides fast start-up of the oscillator circuit. ... | 10/17/2006 |
| 7118269 | Method of correcting a real-time clock of an electronic apparatus A method of correcting a real-time clock of an electronic apparatus, notably a mobile telephone, in which the real-time clock operates with a first clock generator which generates a real-time clock while the electronic apparatus operates with a second clock generato... | 10/10/2006 |
| 7109847 | Closure security seal with time-recording feature A single use security padlock-style lock for sea containers, bonded warehouses, trailers and other storage areas where security is necessary. The lock has an electronic timepiece which displays the time and date in a tamper-resistant case. A shackle is extended thro... | 09/19/2006 |
| 7075447 | Secure time measurement electronic device and method An electronic circuit comprising a first counter clocked by a clock signal provided to have a first period and provided by an oscillator external to the circuit, and comprising a second counter clocked with a second period by an oscillator internal to the circuit, t... | 07/11/2006 |
| 7032117 | Dynamic power control in integrated circuits A method and device is disclosed for implementing dynamic power control in an electronic system implemented on an integrated circuit, which electronic system comprises at least one or several hardware units (201, 202, 203), a hardware based power control logi... | 04/18/2006 |
| 7003685 | Apparatus of controlling supply of device drive clocks The present invention relates to an apparatus of controlling supply of device drive clocks to supply device drive clocks individually to only operative devices among all devices connected to a data bus in a computer. The present apparatus consists of a clock generat... | 02/21/2006 |
| 6996457 | Irrigation controller with removable station modules An irrigation controller includes a housing for enclosing a microprocessor that stores and executes at least one watering program. The microprocessor has a parallel output bus with a plurality of pin sets for controlling a plurality of irrigation stations. The conne... | 02/07/2006 |
| 6993669 | Low power clocking systems and methods A low power a reconfigurable processor core includes one or more processing units, each unit having a clock input that controls the performance of the unit; and a controller having a plurality of clock outputs each coupled to the clock inputs of the processing units... | 01/31/2006 |
| 6958951 | Adaptive Kalman Filter process for controlling an ensemble clock In an ensemble oscillator system including multiple free-running oscillators, a voltage controlled oscillator having a frequency responsive to a control signal, and a differencer unit that measures time differences between the oscillators, an adaptive Kalman Filter ... | 10/25/2005 |
| 6958953 | Real time clock circuit having an internal clock generator Under the present invention a real time clock circuit, within a set-top box, is provided with an internal clock generator for generating multiple clock signals. Once generated, a first clock signal is divided into an initial set of values representing time and optio... | 10/25/2005 |
| 6956419 | Fail-safe zero delay buffer with automatic internal reference An apparatus comprising a first circuit and a second circuit. The first circuit may comprise a control circuit and an oscillator. The control circuit may be configured to generate a control signal in response to a first reference signal and a second reference signal... | 10/18/2005 |
| 6956793 | Phase clock selector for generating a non-integer frequency division A frequency divider circuit uses a base counter to frequency divide a clock signal with period T by an integer value N and employs a cyclic rotational select circuit to select among multiple equally phase shifted signals of a multiple phase clock to generate a fract... | 10/18/2005 |
| 6919770 | Method and system for operating an atomic clock with reduced spin-exchange broadening of atomic clock resonances The present invention relates to a method and system for using end resonances of highly spin-polarized alkali metal vapors for an atomic clock, magnetometer or other system. A left end resonance involves a transition from the quantum state of minimum spin angular mo... | 07/19/2005 |
| 6920006 | Connection control circuit and information storage apparatus A connection control circuit having the function of controlling connection and disconnection of an information storage apparatus to and from a transmission line is constructed such that it uses a comparator to determine whether or not the level of operating clock si... | 07/19/2005 |
| 6912181 | Electronic timepiece with controlled date display updating An electronic timepiece without system failure at the time of transfer from the power-saving mode to the display mode is provided. A power-saving control circuit 400 controls drive of a date dial displaying a date when updating a date display, which has been ... | 06/28/2005 |
| 6904536 | Semiconductor circuit and functional block including synchronizing circuit for determining operation timing The burden of developing a complex bridge block imposed on the IP reuser is reduced by introducing a system clock into the IP. The IP composed of a functional circuit of this invention and its synchronizing circuit takes in the system clock by integrating the synchr... | 06/07/2005 |
| 6888780 | Method and system for operating an atomic clock with simultaneous locking of field and frequency The present invention provides a method and system to simultaneously use the microwave and Zeeman end resonances associated with the same sublevel of maximum (or minimum) azimuthal quantum number m to lock both the atomic clock frequency and the magnetic field to de... | 05/03/2005 |
| 6567346 | Absolute time scale clock An absolute time scale clock includes a radioactive isotope and a computer. The computer includes a processor that determines an indication of the current absolute time and a memory that stores a decay constant of the radioactive isotope, a reference time... | 05/20/2003 |
| 6542440 | Power-saving electronic watch and method for operating electronic watch When the stem of an electronic watch such as one using a quartz oscillator circuit is pulled out, a switch operates so that the hands stop while the oscillation continues, thereby reducing the current consumption. The watch may be stored in this condition... | 04/01/2003 |
| 6529447 | Compensation of crystal start up for accurate time measurement An apparatus comprising a first circuit and a timing circuit. The first circuit may be configured to generate an output clock signal that may compensate for oscillation build-up and stabilization time after a power up. The timer circuit may be configured ... | 03/04/2003 |
| 6229765 | Electronic sunrise-dependent timepiece An electronic sunrise-dependent timepiece, comprising an oscillator circuit for generating clock pulses at a predetermined frequency and a clock circuit coupled to the oscillator circuit for generating minutes and hours and calendar data. An offset correc... | 05/08/2001 |
