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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 Setting mechanism for secondary clocks US3739568D 1972-02-14 US3739568A 1973-06-19 VAN HAAFTEN E
A master-secondary clock system in which a master clock having a high order of accuracy, acts to regulate the operation of a plurality of remotely disposed secondary clocks. This is accomplished by means of a direct-current control pulse which is transmitted to the secondary clocks from the master clock, and is received at each secondary clock by an electromagnetic setting mechanism adapted to reset the seconds hand of the secondary clock to bring it into registration with the seconds hand of the master clock. The setting mechanism is also adapted to shift the hour hand of the secondary clock one hour ahead or back, depending on whether a transfer is to be made from Standard to Daylight Savings time or vice versa, this action being effected concurrently with the resetting of the seconds hand, but only when the control pulse is transmitted during a predetermined interval in the course of the day, the direction of shift depending on the polarity of the control pulse.
62 Aircraft time information system US3585375D 1969-12-22 US3585375A 1971-06-15 HEDRICK GEOFFREY S
A multipurpose time information system which drives a plurality of digital clocks for respective members of the flight crew of a large airliner, and also provides time information to various remote systems on board, such as the AIDS, the flight recorder, the radio data link, the crash recorder, and the INS. The clocks include digital readout wheels which provide a visible display for the flight crew as well as the time information for the onboard systems, and also have inherent storage capabilities which are useful in case of brief power failures. These digit wheels are advanced by nearly identical drive modules, each having solenoid-operated ratchet mechanisms responsive to carry pulses derived from the preceding less significant digit module. But the least significant digit module is reverse-driven by a motor, requiring the ratchet mechanism to slip in the reverse direction, and also requiring the numerals on the least significant digit wheel to be arranged in the opposite direction relative to the more significant digit wheels.
63 Magnetic transmission system US3500630D 1967-07-25 US3500630A 1970-03-17 BEGUIN RENE
64 Control apparatus for controlling a plurality of loads US8323161 1961-01-17 US3205368A 1965-09-07 MIRACLE THOMAS J
65 Thermocompensated chronometer circuit US14649029 2013-12-11 US10274899B2 2019-04-30 Thierry Bonnet; Silvio Dalla Piazza; Laurent Christe; Francois Klopfenstein; Emmanuel Fleury; Yves Godat; Nicolas Jeannet
An electronic module including at least one electric motor for driving an analog display, a clock module including a time base delivering a clock signal connected to a divider circuit, the divider circuit delivering a reference signal sent to a control circuit arranged to control the electric motor, the clock module further including a measuring and correction circuit arranged between the time base and the divider circuit and delivering an intermediate compensated signal. The time base, the compensation module, the divider circuit, and the control circuit are arranged in a same case to form the clock module.
66 Time information acquiring apparatus and radio-controlled timepiece US13182540 2011-07-14 US08514665B2 2013-08-20 Teruhisa Tokiwa; Takashi Sano
A time information acquiring apparatus includes: a first decoder which decodes a time code signal frame by frame so as to generate solo-decoded time information; a first determining section which determines consistency of the solo-decoded time information; a second decoder which combines detection data of the frames, and performs a code determination on the time code signal based on the combined detection data so as to generate sum-up-decoded time information; a second determining section which determines the consistency of the sum-up-decoded time information; and a controller which makes the first decoder generate the solo-decoded time information, the first determining section determine the consistency of the solo-decoded time information, the second decoder generate the sum-up decoded time information, and the second determining section determine the consistency of the sum-up-decoded time information in a predetermined order so as to extract time information having the consistency.
67 Timer system for maintaining the accuracy of a real time clock when synchronization source is not available US13001916 2009-06-12 US08402302B2 2013-03-19 Stefan Blixt; Christian Blixt
An electronic timer system includes a counter-based time generator for continuously generating raw base time, and a translator for translating between raw base time and local precise time. The counter-based time generator is driven by an oscillator. The timer system further includes a temperature sensor placed in the proximity of the oscillator or a crystal used by the oscillator, and a look-up control table holding temperature values associated with corresponding control values representative of the configurable parameter value A. The look-up control table is generated when the timer system is synchronized with a synchronization source so that the temperature and control values are characteristic of the operation of the timer system in synchronization. The timer system is also configured for reading, when no synchronization source is available, a temperature value from the temperature sensor, and for extracting, based on the temperature value, a control value from the look-up control table corresponding to a suitable (quantized) representation of the temperature value. The timer system is then able to configure the parameter variable A in accordance with the extracted control value.
68 Clock diagnostics US11745272 2007-05-07 US07532547B2 2009-05-12 Iian Shemesh
Disclosed is a clock for use in a master/slave clock system, including a system and method for semi-automatically performing diagnostic self-tests on the status and operability of a plurality of components of one or more secondary clocks. The invention addresses a multitude of diagnostic and problem detection issues, including “no fault found.”
69 Estimation of time within untrusted time device disconnected from trusted time device US10991161 2004-11-14 US07411868B2 2008-08-12 Hisayuki Kohmoto
Upon connecting to a trusted device, an untrusted device: (a) acquires a trusted current time; (b) stores an elapsed time; (c) determines an estimated current time; and, (d) stores a time difference between the estimated current time and an untrusted current time. The untrusted device (e) repeats (b)-(d) until turned off. Upon being turned on and able to connect to the trusted device, the untrusted device (f) repeats (a)-(e). Otherwise, it: (g) determines a temporary current time; and, (h) compares the estimated current time of (c) with the temporary current time. The untrusted device, (i) where the estimated current time of (c) is less than the temporary current time, sets an offline current time as the temporary current time, or, (j) where the estimated current time of (c) is greater than the temporary current time, sets the offline current time as the estimated current time of (c).
70 Local time adjusting method of mobile communication terminal US10845214 2004-05-14 US07385878B2 2008-06-10 Yoon Ho Cho
A local time adjusting method of a mobile communication terminal includes extending 6-bit local time offset contained in a sync channel message transmitted from a base station to a 7-bit local time offset to calculate an actual local time offset in a corresponding area; and substituting the calculated local time offset (extend_LTM_OFF) and time information to equation (SYS_TIME+(LP_SEC*12.5)+(extend_LTM_OFF*11250) to calculate local time of a current location. By doing that, local time can be adjusted by units of 15 minutes even in an area where 30-minute adjustment of local time offset is not available, and thus, local time can be precisely calculated anywhere in the world.
71 CLOCK DIAGNOSTICS US11745272 2007-05-07 US20070206445A1 2007-09-06 Ilan Shemesh
Disclosed is a clock for use in a master/slave clock system, including a system and method for semi-automatically performing diagnostic self-tests on the status and operability of a plurality of components of one or more secondary clocks. The invention addresses a multitude of diagnostic and problem detection issues, including “no fault found.”
72 System and method for calibrating a tod clock US11223642 2005-09-09 US20070058491A1 2007-03-15 Dennis Dahlen; David Elko; Ronald Smith; Li Zhang
A system, method and computer program product for calibrating a Time Of Day (TOD)-clock in a computing system node provided in a multi-node network. The network comprises an infrastructure of computing devices each having a physical clock providing a time base for executing operations that is stepped to a common oscillator. The system implements steps for obtaining samples of timing values of a computing device in the network, the values including a physical clock value maintained at that device and a TOD-offset value; computing an oscillator skew value from the samples; setting a fine steering rate value as equal to the opposite of the computed oscillator skew value; and, utilizing the fine steering rate value to adjust the physical clock value and correct for potential oscillator skew errors occurring in the oscillator crystal at the computing device.
73 Global recovery for time of day synchronization US10951402 2004-09-28 US07145837B2 2006-12-05 Jay R. Herring; Tracy C. Phillips
A system and method is provided for synchronizing time of day information between and among communication adapters. Time of day information, which is desired for proper message packet ordering and delivery, is recovered in a process in which a master adapter, connected to a master node, periodically broadcasts current time of day information to slave adapters which operate to determine whether or not drift correction is to be applied.
74 Virtual real-time clock based on time information from multiple communication systems US10401816 2003-03-27 US07139225B2 2006-11-21 Dominic Farmer
Method and apparatus to implement a “virtual” real-time clock at a terminal based on time information from multiple communication systems. At least one system (e.g., GPS) provides “absolute” time information for the virtual real-time clock, and at least one other system (e.g., a cellular system) provides “relative” time information. The virtual real-time clock is “time-stamped” with absolute time as it becomes available from the first system. Relative time (which may be received from multiple asynchronous transmitters) is mapped to the timeline of the virtual real-time clock as it is received from the second system. Absolute time at any arbitrary time instant on the timeline may then be estimated based on the absolute time from the first system and the relative time from the second system. Absolute times from the first system for two or more time instants may also be used to calibrate the relative time from the second system.
75 Timepiece with touch-type reading and control of time data US10652503 2003-09-02 US07031228B2 2006-04-18 Jean-Jacques Born; Erik Jan Frenkel
The timepiece, which is preferably a wristwatch, includes for each time position a capacitive sensor (C1 to C12), on a fixed bezel, including only four markings (R3, R6, R9, R12) at 3 o'clock, 6 o'clock, 9 o'clock and 12 o'clock, and a single crown-push-button (9). The case contains, in particular, a non-acoustic vibration generator (20) and an electronic interpretation and coding circuit (15), associated with a time-keeper circuit (10), with the sensors and with the crown to control the vibration device, said circuit (15) being designed to identify the manipulations on the crown (brief, long application of pressure or pull) and on the sensors (positioning or movement).
76 Device time setting method, program and system US10356486 2003-02-03 US06987709B2 2006-01-17 Quintin T. Phillips
A method, system and program product for automatically determining a time for a device connected to a network, the method comprising: obtaining time samples from a plurality of different electronic devices on the network; normalizing the time samples; selecting a time for the device in accordance with an algorithm that utilizes the time samples; and resetting a clock in accordance with the selected time.
77 Global recovery for time of day synchronization US10951402 2004-09-28 US20050078559A1 2005-04-14 Jay Herring
A system and method is provided for synchronizing time of day information between and among communication adapters. Time of day information, which is desired for proper message packet ordering and delivery, is recovered in a process in which a master adapter, connected to a master node, periodically broadcasts current time of day information to slave adapters which operate to determine whether or not drift correction is to be applied.
78 Teleindicator for information boards US171094 1980-07-22 US4342992A 1982-08-03 Vittorio Bozzini
A teleindicator for information boards is described. The main characteristic of the teleindicator consists in comprising first means for the registration of input signals relating to an indication which has to be presented by the said teleindicator, second means adapted to process the signals from the said first means and to control third means which actuate, in a mechanical way, the display of the said indication by means of indicator elements.
79 Remote time clock system with standby power means US31556872 1972-12-15 US3861134A 1975-01-21 CHACON MANUEL FRANK; WOLTERS FREDERICK J
A remote time clock unit is connected as a part of one remote station of several in a data communication system having a controller to generate message frames for reading and resetting of the clock. The clock unit is a digital type having individual day, hour, minute and second counters, with binary coded decimal paralleled input and outputs connected for direct transfer of the input setting to the outputs. The clock outputs, through the loop controller, actuate time operated loads at loop remotes in response to programs at the loop controller. The clock unit is connected to the system by a module address decoder and a command decoder to read the message frames and provide for setting of the day, hour and minute counters. The clock unit is read by message frames with a pair of succeeding frames reading the three BCD bits for the day while simultaneously reading the hour data and the minutes or seconds data. The system is automatically updated each minute or second by an interrupt signal device connected to the input of the minute and second counters. The interrupt device normally connects the minute selection to control updating, but is connected to the system for response to a message frame signal to select the second interrupt interval.
80 Digital master clock US3681914D 1970-04-30 US3681914A 1972-08-08 LOEWENGART HARRY R
A master clock source develops clock signals for transmission to a plurality of receiving or ''''slave'''' terminals. The clock signals are periodically scanned and transferred to the slave terminals once each second, thereby to continuously up-date the clock indication at the receiving terminals.
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