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Longer titles found: Department of Defense master clock (view)

searching for Master clock 138 found (167 total)

alternate case: master clock

Precision Time Protocol (3,357 words) [view diff] exact match in snippet view article find links to article

standard, and were added in PTPv2. Announce messages are used by the best master clock algorithm in IEEE 1588-2008 to build a clock hierarchy and select the

major cities: The South African National Time Standard, or 'SA Time' Master Clock, is maintained at the Time and Frequency Laboratory of the National Metrology

Observatory play the sounding of colors synchronized to the nation's Master Clock. It is named after Charles Carroll Glover. The neighborhood's western

apnea or OSA). CAP is a marker of NREM instability and is also the "master clock" that accompanies the stage transitions maintained in sleep phases, noted

problems, Warren invented a "master clock," which he installed at the Boston Edison Company in 1916. This master clock had two movements, one driven

fire alarm system, and all its clocks were synchronized to an electric master clock. The district (and therefore the high school's attendance boundary) is

or an atomic clock. The most common true time source is a GPS or GPS master clock. Time servers are sometimes multi-purpose network servers, dedicated

the same time and at the same rate, the signals can be mixed. A single master clock or sync generator provides the reference for all of the devices' clocks

SDOUT, DACDAT, ADCDAT, etc. It may also include the following lines: Master clock (typically 256 x LRCLK) This is not part of the I2S standard, but is

network resources with admission control and synchronize local time to a master clock, which is required for low latency time-sensitive traffic. AVB traffic

using a central unit (so-called master clock), which provides multiple clock formats. The approach with a master clock is usually chosen, especially if

wish time would stop!" Somehow, his wish gets heard by the so-called "master clock", and everyone (except Jimmy) is frozen in their tracks. Observing this

removed, YourLocalGuardian/Newsquest Media Group, retrieved 22 August 2014 Master Clock: Rotary Armillary, Sutton, retrieved 22 August 2014 Waymarking Sutton

and cells in the body outside the suprachiasmatic nuclei (SCN), the "master clock". Indeed, neuroscientist Joseph Takahashi and colleagues stated in a

common topologies are: Tree: This is a basic topology that relies on a master clock whose reference is distributed to the rest of the slave clocks. It has

wire. The rising edge of the master clock indicates a bit from the left channel, while the falling edge of the master clock indicates a bit from the right

The doubling of the transfer rate, and the quarter-speed master clock, results in a master clock which is half the frequency of a similar LPDDR4 clock.

station master clock accuracy. Initially a quartz oscillator in a temperature controlled oven was used as the master clock. The master clock was checked

synchronized precisely (or as close as possible) to the actual mission time's master clock, Ground Elapsed Time. The Apollo 17 project, which Feist began in 2009

first in England to have a striking mechanism. It was controlled from a master clock in the nearby house. The clock mechanism was taken to the Science Museum

William Alfred Cocks (1892-1971) was a master clock maker from Ryton, County Durham. He had a lifelong interest in the history and culture of the North-east

elapsed since the last adequate sleep episode. The human body has a master clock in the SCN and peripheral oscillators in tissues. The SCN's role is to

implementation of the railway clock, the central synchronization by a master clock, was engineered together with Mobatime, a clock manufacturer still producing

gigahertz (GHz). This specification refers to the frequency of the CPU's master clock signal. This signal is nominally a square wave, which is an electrical

Electric clock technology Powerline synchronized Synchronous Motor and the Master Clock Utility frequency Synchronous motor Electronic Quartz clock Atomic clock

requirements Early or late frame sync in TDM mode Out-of-range high-frequency master clock for both transmit and receive External error signal coming into the AMUTEIN

master clock". Royal Museums Greenwich | UNESCO World Heritage Site In London. 14 September 2015. Retrieved 9 November 2019. "Electrical master clock"

Retrieved April 4, 2021. "History of the VP House, Naval Observatory and the Master Clock". The House History Man. March 19, 2012. Retrieved April 4, 2021. Svonavec

clock signals from a master clock signal generated externally. For the operating frequency, the R4000 multiplies the master clock signal by two by use

of Liverpool, England, was a highly respected and successful British master clock, watch and chronometer maker. He was a nonconformist who was married

internal crystal oscillator running at 16.9344 MHz or be connected to a master clock line. The chip can be connected to up to 16 MB of external memory to

the AY-3-8910, with the minor difference that pin 26 could halve the master clock if pulled low. If left unconnected, as it would be if replacing an AY-3-8910

signal from the active hydrogen master clock to the NSU and also ensures that the frequencies produced by the master clock and the active spare are in phase

remotely, and since 1864 the Noon Gun has been fired directly from the master clock of the oldest timekeeper in the country, the South African Astronomical

proteins in a post-translational oscillator (PTO). The PTO is cyanobacteria master clock that is controlled by sequences of phosphorylation of KaiC protein. Regulation

England. Retrieved 3 January 2023. William Willett Memorial Sundial. Master Clock. Archived from the original on 3 August 2014. Retrieved 31 July 2014

integrated circuits. It produces a sequence of notes derived from a master clock signal feeding a series of frequency dividers and a 31-bit shift register

chip of silicon). Logic cards that were not microelectronic are the Master Clock cards in the C.P and the Input amplifier and output data driver cards

behind the wheelhouse. Each master clock was capable of controlling 25 slave units in such a way that whenever the master clock advanced by one minute of

constant. This had become possible since the introduction of the Warren master clock, an innovation of which Hammond took full advantage with his own invention

shown as traceable to the specific national measurement institute or master clock of that jurisdiction is the only source that provides the approved "Time

stand for "victory". WTIC employs a Global Positioning System (GPS) master clock system that activates the custom-built time-tone generator shortly before

(1877–Present)(Introduces the world's first pneumatically controlled master clock system.) New England Clock Company; New Haven, Connecticut (1959–2000)

April 18, 2014. On April 30, 2014, the microcontroller managing the master clock was found to have reset due to a technical problem, an effect of space

master. As the local and master clock frequencies are locked, this clock signal is just a delayed version of the master clock signal. By calculating the

are not duplicated since they are link-local. About every second, a master clock sends two copies of a Sync message, but not at exactly the same time

do with circadian rhythms (the biological time clock). The biological master clock in the hypothalamus is the suprachiasmatic nucleus or SCN. It provides

conduit. There are either 138 or 143 clocks (counts vary) regulated by a master clock in the basement and 37 fire alarm stations distributed throughout the

counter acts as a frequency divider, counting pulses from a high frequency master clock (typically several MHz) and toggling the state of its output when the

station and GPS Operations Center and the US Naval Observatory Alternate Master Clock, used to synchronize GPS satellite time. Schriever is also developing

in time and how this is controlled is not understood. There may be a master clock able to communicate with all parts of the embryo that controls the course

electrical systems, along with the X-ray security, luggage handling, master clock, and flight information systems. The annual capacity of the airport had

bus. I²C can be a ‘DC’ bus, meaning that a slave device stretches the master clock when performing some routine while the master is accessing it. This will

Modern IR transmitters typically use 8-bit microcontrollers with a 4 MHz master clock frequency, allowing a nearly arbitrary selection of the carrier frequency

1283431;Filing date: Aug 21, 1916;Issue date: Oct 29, 1918 WARREN TELECHRON MASTER CLOCK TYPE A The Encyclopedia of American Biography: Henry Ellis Warren

multiple-camera setups can be time code-synchronized or jam synced to a master clock. "Bars and tone" are available in-camera (the SMPTE color bars (Society

from the original on 12 January 2018. Retrieved 11 January 2018. "USNO Master Clock modem time". Archived from the original on 2017-12-27. Retrieved 2018-01-15

Penelope Wilton with sensitive hands and long slim fingers (the touch of a master clock-maker). He is also one of the few actors to have mastered the demands

carried out in 1873. In 1972 the balance was replaced by a fully automatic master clock in the clock room of the St. Peter's tower, and in 1996 the electrified

16-bit interval timers, which consist of down counters operating at the master clock frequency. They can generate IRQs on underflow as can a raster register

website and in pamphlets available on the buses. Cambus time is set by the Master Clock at the US Naval Observatory. During academic service the earliest route

Audio Brings Back Popular OCXmas, Offering Special Discounts on OCX Master Clock and More | PRLog". Prlog.org. Retrieved February 4, 2015. "Avalon New

ring administration functions. The first function is to operate as the master clock for the ring in order to provide synchronization of the signal for stations

billion years, the age of the universe, is an accuracy of 2.3×10−18. "USNO Master Clock". Archived from the original on 7 December 2010. Retrieved 23 November

Each slot in every frame must be synchronized against all others and a master clock for everything to work. Time slots for the mobile-to-base direction are

Washington, D.C. Today, this includes buildings such as the one housing the "master clock" for U.S timekeeping, and the U.S. Vice President's residence. Donnell

the clock provided by the master as the base for packet exchange. The master clock ticks with a period of 312.5 μs, two clock ticks then make up a slot

of mutually reinforced and precise oscillations constituting the SCN master clock. The SCN functions as a circadian biological clock in vertebrates including

collected data. The term of mother pod refers to the pod that contains the master clock of the synchronous sensor web system. The mother pod has no special hardware

1.78 trillion instructions per second, 146 million times faster. Its master clock ran at 2.048 MHz, but operations were performed bit-serially, with 4

The suprachiasmatic nucleus is sometimes described as the brain's "master clock", as it maintains the circadian rhythm, and nerve signals from ipRGCs

Gainey, Michael. "You can wind a mainspring too tight". Clock Myths. Master Clock Repair Gainey's website. Retrieved May 23, 2014. {{cite web}}: External

Atomic master clock CS2 in use at the PTB to check for deviations

system throughout the building to be driven electronically by a pendulum master clock were installed by Prouds Limited. The whole system was Australian made

cost) oscillators phase locked to a digitally divided version of the master clock deliver the eventual VFO output, smoothing out the noise induced by the

an electric lift from the Otis Elevator Company, and a Synchronome master-clock, which controlled all house timepieces. In 1933 architect James Miller

Electric clock technology Powerline synchronized Synchronous Motor and the Master Clock Utility frequency Synchronous motor Electronic Quartz clock Atomic clock

the three ... Adaptive ... means that there is no continuous, accurate master clock in the DAC, which causes jitter in the audio stream. ... Asynchronous

after 1916 with Henry Warren's invention of the Warren Power Station Master Clock and self-starting synchronous motor. Nikola Tesla demonstrated the concept

replacement. In the United States: the US Naval Observatory, which runs the master clock that keeps the country's official time, gave the date on its website

shown to synchronize peripheral clocks and even uncouple them from the master clock in the brain (e.g., daytime restricted feeding). Oxygen rhythms have

Atari STE, it supports sampling frequencies above 44.1 kHz; the sampling master clock is 98340 Hz (which can be divided by a number between 2 and 16 to get

the delay, and the computer would count the pulses by comparing to a master clock to find the particular bit it was looking for. Mercury was used because

system was mostly related to the PCM encoding. The system was based on a master clock signal in the form of a sine wave at 9 kHz. The sine wave was processed

times, in the surrounding suburbs. The time keeping is controlled by a master clock imported from England. The dials, hands and slave mechanisms were designed

was released automatically via an electric impulse from the Shepherd Master Clock. The ball is still dropped daily at 13:00 (GMT in winter, BST in summer)

bits. The Whirlwind design incorporated a control store driven by a master clock. Each step of the clock selected one or more signal lines in a diode

contains several clocks that are master-capable. Normally, the best master clock ensures that only one grandmaster broadcasts the time. In redundant networks

indifferently in 1-step (preferred) or in 2-step operates with the default best master clock algorithm, performed by master and by slave clocks IEC/IEEE 61850-9-3

railway signal 1862 He installed a clock system with an ultra-precise master clock and slave clocks in Geneva 1863 May 27 French patent for an electrical

Distributed switching – Diurnal phase shift – Diversity reception – DOD master clock – Doping – Double-sideband suppressed-carrier transmission – Double-slit

own internal timing (3.579545 MHz for NTSC). The SAM also divides the master clock by 16 (or 8 in certain cases) for the two phase MPU clock; in NTSC this

be auditioned non-destructively. The sequencer can be set to slave or master clock, via MIDI or tape, and optionally controlled for play, record and punch-in

non-striking clock (actually four impulse, or "slave" clocks, operated by a master clock). The concrete foundation stone was prepared by TB O'Meara & Sons of

updated to support Message Signaled Interrupts (MSI) support for Sync X master clock/synchronization device and macOS Big Sur Pro Tools 2021.6 2048 voices

greatest secrets. Having his elves drink a special syrup, he shows them the Master Clock, a device that can stop time so he could make his runs every year. Those

August 2014. Laing, Alan (15 January 2012). "Globe Sundial: London Zoo". Master Clock. Retrieved 13 February 2014. Historic England. "Globe Sundial (1166347)"

Benzer's method of behavioral genetics to unravel the mysteries of the "master clock" that existed in every organism. He used ethyl methanesulfonate (EMS)

"Urwerk - A unique, extremely rare, and historically innovative Atomic Master Clock with paired titanium wristwatch". Phillips. Retrieved 2020-01-01. "Patek

ROR instruction. More precisely these systems internally divide a NTSC master clock oscillator by eight yielding 315⁄176 Mhz = 1.7897727 MHz Eric Schlaepfer

split into two flights connecting to either portion of the balcony. A master clock on the central landing of the rear stairs controlled all the clocks in

with available preamplifier, equalizer, compressor, AD converter, and master clock modules, along with a frame capable of housing, powering, and providing

effort to have a consistent clock face, which were all synchronized by a master clock linked to the telephone network. Hilfiker became deputy head of the construction

random-number generators, clocks based on the internal or external MIDI master clock, key and note state, mono and polyphonic aftertouch, etc. A complete

gun, using bells or buzzers wired together with a centrally located master clock. Five seconds before the start of the next cycle, the bell would ring

circadian rhythm organization in animals. The hypothalamic internal “master” clock in the suprachiasmatic nuclei had recently been discovered, with a primary

night. There is a strong circadian rhythm of sleep in mammals. The “master clock” for circadian rhythms in mammals is the suprachiasmatic nucleus (SCN)

in homeothermic mammals, is a potential mechanism through which the master clock may synchronize circadian oscillators within tissues throughout the body

referenced to the GrandMaster (GM) clock in a bridge elected by the Best Master Clock Algorithm, a clock spanning tree protocol to which all Clock Master (CM)

Oft-repeated statements that Fenneman is the voice of the US Naval Observatory Master Clock or the National Institute of Standards and Technology's radio station

controlled by electricity, a novelty upon the tower's completion. The master clock, which controlled the large clock faces as well as a hundred other clocks

movement sleep. The suprachiasmatic nucleus functions as the hypothalamic master clock, controlling the body's Circadian rhythm. The suprachiasmatic nucleus

concluded that melanopsin was not involved in the functioning of the master clock oscillation. On the other hand, Opn4-/- mice had difficulties adjusting

start time is determined with an assigned time based upon the facility master clock. access time The total time required to find, retrieve and commence using

an organic nitrogen-responsive gene network that is regulated by the master clock control gene CCA1. Proc. Natl Acad Sci USA 105, 4939-44. Krouk, G., et

Each room contained an electric clock; they were synchronized with a master clock in the basement, which in turn received the exact time once a day from

detected by photoreceptors in the eye send signals to the mammalian master clock located in the suprachiasmatic nucleus (SCN) which then affects the timing

longcase regulator clock, used for astronomical observation or as Jewellers master clock, made by 'Robert Bryson & Sons', Clock and Watch-Maker of Edinburgh.

significantly influenced the results. A link from a GPS receiver to the OPERA master clock was loose, which increased the delay through the fiber. The glitch's

logic circuit where internal state changes only propagate in step with a master clock signal. synchronous motor A motor that rotates at a speed exactly related

a marble sphere. The dials of the four clock faces are driven from a master clock with an electrically-driven pendulum housed in the Barcaldine Shire Hall

indicate that MASCO, a circadian oscillator, functions separately from the "master clock" of the SCN and is sufficient for locomotor circadian rhythm control

the 6th best selling single in the UK. . Joseph Johnson: (1780-1827) Master clock, watch and chronometer maker. Katarina Johnson-Thompson: Heptathlete

dispatcher's office at Grand Central. Through the 1980s, they were set to a master clock at a workshop in Grand Central. Since 2004, they have been set to the

cycle? A circannual clock mechanism could be similar to the circadian master clock, with an environment-independent timer capable of generating a circannual

well-known Synchronome Electric Company of Brisbane, initially driven by a master clock in the adjacent Ithaca Fire Station. The park is situated on a parcel

circuitry. Each radio hub sends data to the basestation, and receives the master clock signal from the basestation, over two standard Cat 6 twisted-pair ethernet

then correlate the "presentation" timestamp, provided by IEEE-802.1 Master Clock, with the RTP timestamp, ensuring a sample-accurate time distribution

bit machine that worked asynchronously rather than being governed by a master clock Gough, Jack (1993). Watching the skies: a history of ground radar for

occur and how social interactions may impact circuits and cells in the master clock. Schwartz has also researched the effect of social forces on circadian

driven instead by cell-autonomous oscillators that are entrained by the master clock in the Suprachiasmatic Nucleus (SCN). Schibler and his colleagues followed

processes as well. This is largely in part because circadian rhythm has a "master clock" that is located in the same part of the brain that is responsible for

transcription have been observed in many cells, including the mammalian master clock known as the suprachiasmatic nucleus (SCN). However, unlike most circadian

which was also known more generally as the modulator. This acted as a master clock for the system, triggering the output of the magnetron, switching the

Clockworks: Replace clock operating mechanisms and hands: Provide new master clock controller, new timepieces with new hands (hands shall match historic

has shown that though Noc is not directly involved in regulating the master clock gene expression, it is required for oscillator output functions thereby

connected all sections of the building and there were telephones and a master clock system, CCTV, a teleprinter system, a Xerox machine, and a dumbwaiter

morning anticipation to four small ventrolateral neurons, which are the master clock during constant darkness and express pigment-dispersing factor (PDF)