In his Rudolphine Tables ( 1627 ), Johannes Kepler used a prototype of year zero which he labeled Christi ( Christ ) between years labeled Ante Christum ( Before Christ ) and Post Christum ( After Christ ) on the mean motion tables for the Sun, Moon, Saturn, Jupiter, Mars, Venus and Mercury.

In the above example, a prototype is used in a function declaration for ANSI compliant implementations, while an obsolescent non-prototype declaration is used otherwise.

Once a prototype has passed the tests at a certification lab, and that model is being constructed under the control of a certified quality system, the device is entitled to bear a CE mark, indicating that the device is believed to be safe and reliable when used as directed.

CP Rail used a prototype drone locomotive system called LOCOTROL which evolved into today's systems.

The prototype was the MSRE, which also used Thorium's fuel cycle to produce 0. 1 % of the radioactive waste of standard reactors.

One is the prototype formerly used at MIT, and the other two are production PDP-1C machines.

Alcorn worked with Lee to develop the designs and prototype, and based them on the same digital technology used in their arcade games.

NASA planned to refit the prototype orbiter Enterprise ( OV-101 ), used for flight testing, as the second operational orbiter.

Cyanoacrylates are used to assemble prototype electronics ( see wire wrap ), flying model aircraft, and as retention dressings for nuts and bolts.

ERINT was a prototype missile similar to the FLAGE, but it used a new solid-propellant rocket motor that allowed it to fly faster and higher than FLAGE.

The S7G reactor was never used on a ship, and the prototype was fitted with rods in the late 1980s when the reactor was refueled.

For example, the A1W prototype at Naval Reactors Facility led to development of A2W reactors used in USS Enterprise.

* Outside the genre of science fiction, 1994's Disclosure, starring Michael Douglas ( based on the Michael Crichton's novel ) depicts a VR headset being used as a navigation device for a prototype computer file system.

Only one prototype Buick V6 car was built in 1918 and was long used by the Marr family.

* May 29 – The Vought XF4U-1, prototype of the F4U Corsair U. S. fighter later used in WWII, makes its first flight.

The Fermi-1 commercial fast reactor prototype used HEU with 26. 5 % < sup > 235 </ sup > U. Significant quantities of HEU are used in the production of medical isotopes, for example molybdenum-99 for technetium-99m generators.

Gould responded with a story where Tracy was accused of corruption and had to explain the origin of his possessions in detail, such as stating he used personal savings he frugally accrued for his house while the Cadillac was a prototype he was test running for Diet Smith.

Such waveform can be used, for example, as test vectors for a complex design or as a prototype of some synthesizer logic that will be implemented in the future.

Designed as a prototype in 1966 by physicist Arnold Nudell and airline pilot Cary Christie in Nudell's garage, the design used a second winding around a custom Cerwin Vega 18-inch driver to provide servo control information to the amplifier, and it was offered for sale at $ 1795, some 40 % more expensive than any other complete loudspeaker listed at Stereo Review.

Until the advent of programmable logic, discrete bipolar logic was used to prototype and emulate microarchitectures under development.

First prototype used pusher propeller ; second prototype and production aircraft used tractor propellers.

# For iconoclasts, the only real religious image must be an exact likeness of the prototype – of the same substance – which they considered impossible, seeing wood and paint as empty of spirit and life.

* 1927 October 6The seventh CGPM adjusts the definition of the metre to be the distance, at, between the axes of the two central lines marked on the prototype bar of platinum-iridium, this bar being subject to one standard atmosphere of pressure and supported on two cylinders of at least diameter, symmetrically placed in the same horizontal plane at a distance of from each other.

In the same year they demonstrated a prototype of GemStone to GEnie.

( Enterprise, the test vehicle which was the prototype for Columbia, originally had the same wing markings as Columbia but with the letters " USA " on the right wing spaced closer together ; Enterprises markings were modified to match Challenger in 1983.

In 1969, Bruce Haack built a prototype vocoder, named " Farad " after Michael Faraday, and it was featured on his rock album The Electric Lucifer released in the same year.

The success of Holland VI ushered in the demand for follow-up models ( A-class or ) that began with the prototype submersible Fulton built at the same shipyard as Holland.

The same publication included a prototype of today's Anzac biscuit, called Rolled Oats Biscuits.

Pictures of several track-set designs exist, although it is possible that these were consecutively fitted to the same prototype.

Integrated circuit designs are a more extreme version of the same process: since producing prototype silicon is costly, extensive software simulations are performed before fabricating the first prototypes.

In 1837, a Russian inventor Dmitry Zagryazhsky designed a " carriage with mobile tracks " which he patented the same year, but due to a lack of funds he was unable to build a working prototype, and his patent was voided in 1839.

The United States briefly experimented in the same year with the integrally-scoped Model 45A bullpup, which never progressed beyond the prototype stage.

Though they run on the same track, OO gauge and HO gauge models of the same prototype do not sit well together since the OO models are larger than the HO equivalent.

In much the same way as they had taken up the Tojeiro prototype and turned it into the Ace, AC acquired the rights and at the 1973 London Motor Show showed their own version, the mid-engined ME3000 with the 3. 0-litre Ford Essex V6 engine installed transversely over a bespoke AC-designed gearbox.

Here, 30 cars were built, including a development car tested with Alfa Romeo's 2. 5-litre V6 engine and a nearly complete Mark 2 prototype of the same.

Field-programmable gate arrays ( FPGA ) are the modern-day technology for building a breadboard or prototype from standard parts ; programmable logic blocks and programmable interconnects allow the same FPGA to be used in many different applications.

Both prototype series used the same turret design from Krupp ; the main differences were in the hull, transmission, suspension and automotive features.

In 1955 two prototype 1, 000 hp ( 746 kW ) turbine engine were built at the same plant under the guidance of G. A. Ogloblin.

A similar system using glass inserts in the main steel armour was from the late fifties researched for the Soviet Obiekt 430 prototype of the T-64 ; this was later developed into the " Combination-K " type, having a ceramic compound mixed with the silicon oxide inserts, which offered about 50 % better protection against both shaped charge and KE-penetrator threats, compared with a steel armour of the same weight.

At the same time, Jochen Neerpasch oversaw the development by Paul Rosche of a prototype 1. 4 litre turbo engine, which soon developed 600 bhp at a pressure of 2. 8 bar.

Under prototype designation 1200, following the PV444's internal designation as the 1100, the Amazon was released in the press in February 1956, with production initially set to begin in July of the same year, and deliveries commenced in August 1956 — under the now modified internal designation 120 series.

The first operational prototype was made available to users in 1975 when four people could use it at the same time.

In the same series, he played Batman's prototype robot, aptly named " Protobot ", or " Proto " for short.