Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Punched tape


Related Topics

  
  ECMA-10 - ECMA STANDARD for Data Interchange on Punched Tape
The tapes shall be sufficiently flexible to enable it to turn satisfactorily on a machine where it has to turn through 180° on a 6 mm diameter roller, yet stiff enough to enable it to be easily fed through the throat of a punch block or a similar device.
With the tape oriented as shown in Figure 1, and the observer looking down onto the tape, the direction of forward tape movement is from right to left, and the first character of data (the most significant character as entered from a typewriter-like device) is the one farthest to the left (1st).
A coil of punched tape, the first character of data being at the free, outer end, shall run in such a manner whilst turning anti-clockwise that the reference edge is the one, nearest to the observer (see Figure 3), and in addition, so that the title or arrows appear on the outer surface.
www.srcf.ucam.org /~jsm28/ECMA-10   (0 words)

  
  Punched tape - Biocrawler   (Site not responding. Last check: )
Punched tape is an old-fashioned form of data storage, consisting of a long strip of paper in which holes are punched to store data.
The earliest forms of punched tape come from weaving looms and embroidery, where cards with simple instructions about a machine's intended movements were first fed individually as instructions, then controlled by instruction cards, and later were fed as a string of connected cards.
Punched tape was eventually also used as a way of storing messages for teletypewriters.
www.biocrawler.com /encyclopedia/Paper_tape   (587 words)

  
 Punched tape Information
The tape punch, rather than punching out the usual round holes, would instead punch little U-shaped cuts in the paper, so that no chad would be produced; the "hole" was still filled with a little paper trap-door.
Punched tape was used as a way of storing messages for teletypewriters.
Paper tape was the basis of the Vernam cipher, invented in 1917.
www.bookrags.com /Punched_tape   (1006 words)

  
 Dostek Model 440A Behind-the-Tape Reader (BTR)
Punched tape is completely eliminated, along with the associated storage, handling and maintenance problems.
The 440A BTR is installed inside the NC cabinet and connected to the NC's tape reader port.
This means that virtually any NC with a tape reader can be easily upgraded for direct program and executive loading as well as drip feeding.
www.dostek.com /btr440.htm   (0 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
Punched tape or paper tape is a largely obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data.
A row of narrower holes ("sprocket holes") that were always punched served to feed the tape, typically with a wheel with radial pins called a "sprocket wheel." Text was encoded in several ways.
Although many magnetic tapes have deteriorated over time to the point that the data on them has been irretrievably lost, punched tape can be read many decades later, probably outlasting many centuries.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Punched_tape   (1285 words)

  
 Eight Ways to Read Punched Tape
When a hole in the tape opens the port in the metal bar, atmospheric pressure allows the spring to expand the bellows to give a direct mechanical push.
Tape about 1 inch wide, 8 channels plus spocket on 1/10th inch centers; other sizes can be used.
A silvered prism behind the punched tape reflects light from the exciter lamp back out through the same hole, to fall normally on the phototransistors.
www.decodesystems.com /ce-punched-readers.html   (549 words)

  
 USBR Water Measurement Manual - Chapter 6 - Measuring and Recording Water Stage or Head, Section 5. Recording Gages
In each group, the first punch represents "1"; the second, "2"; the third, "4"; and the fourth, "8." Thus, a combination of 1, 2, or 3 appropriate punches in a given group represents digits from 1 to 9.
A paper tape is moved upward through the punch assembly in the center of the instrument.
The mechanically punched tape is still widely used at this time (1996) and is considered very practical for field use where temperature, moisture, and power conditions are widely variable.
www.usbr.gov /pmts/hydraulics_lab/pubs/wmm/chap06_05.html   (1146 words)

  
 NationMaster - Encyclopedia: International Computers and Tabulators   (Site not responding. Last check: )
Input was from 80 column punched cards and optionally 160 column punched cards and punched paper tape.
Output was to 80 column punched cards, printer and optionally to punched paper tape.
A roll of punched tape Punched tape is an old-fashioned form of data storage, consisting of a long strip of paper in which holes are punched to store data.
www.nationmaster.com /encyclopedia/International-Computers-and-Tabulators   (1109 words)

  
 Punched tape - Education - Information - Educational Resources - Encyclopedia - Music
The tape reader could "type" the message faster than a typical human operator, thus saving on phone bills.
It had a built in paper tape reader and tape punch (8 hole ASCII).
The ASR33 tape reader was purely mechanical; 8 spring loaded fingers would be thrust into the tape (one character at a time), an assortment of rods and levers would sense how high the finger rose, which told it if there was a hole in the tape at that position.
www.music.us /education/P/Punched-tape.htm   (723 words)

  
 WPS:Products:Story Teller:technical
is what actually reads the data from the perforated tape, encoded as rows of up to eight holes punched across the width of the tape, and turns them into electrical symbols, that are distributed to the other components by the interconnecting wires.
The tape punch plugs onto the Windows serial port, and with a FOSSIL driver and my serial program, the tape-image file is copied out to the tape punch.
Tapes can be played from the middle (of course skipping earlier data), since all devices will re-sync on the start of the next data record.
www.wps.com /products/Story-Teller/technical/index.html   (1804 words)

  
  punched tape definition - Dictionary - MSN Encarta
punched tape definition - Dictionary - MSN Encarta
Search for "punched tape" in all of MSN Encarta
paper tape for computer data: a strip of paper tape with patterns of holes punched in it, used to store information in early computers and telex machines
encarta.msn.com /dictionary_561506818/punched_tape.html   (73 words)

  
  Punched tape
Punched tape is an old-fashioned form of data storage, consisting of a long strip of paper in which holes are punched to store data.
The earliest forms of punched tape come from weaving looms and embroidery, where cards with simple instructions about a machine's intended movements were first fed individually as instructions, then controlled by instruction cards, and later were fed as a string of connected cards.
Punched tape was eventually also used as a way of storing messages for teletypewriters.
www.xasa.com /wiki/en/wikipedia/p/pu/punched_tape.html   (473 words)

  
 Punched tape
Punched tape or paper tape is a largely obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data.
The tape punch, rather than punching out the usual round holes, would instead punch little U-shaped cuts in the paper, so that no chad would be produced; the "hole" was still filled with a little paper trap-door.
Paper tape was the basis of the Vernam cipher, invented in 1917.
www.cooldictionary.com /words/Punched-tape.wikipedia   (1180 words)

  
 Punched tape
The little pieces of paper punched out of the tape are known as chad.
The first use of paper tape predates computers, it was Thomas Edision and his Stock Ticker machines also his Repeating Telegraph.
Repairing a mispunched or torn tape was a process of gluing a strip of punched tape over the damaged area.
www.wapipedia.org /wikipedia/mobiletopic.aspx?cur_title=Punched_tape   (685 words)

  
 Strippable stencilling tape and it use - Patent 6436527
The stencilling tape according to claim 3, wherein the adhesion of the adhesive film is lower than the cohesion of the adhesive film, the adhesion of the adhesive film is reduced when the adhesive film is extended, and the adhesive film exhibits a ratio of peel strength to tear load of at least 1:1.5.
The stencilling tape according to claim 8, which is covered on one or both sides with a release paper or release film, and the release paper or release film on at least one of said sides is punched.
The stencilling tape according to claim 10, wherein the adhesion of the adhesive film is lower than the cohesion of the adhesive film, the adhesion of the adhesive film is reduced when the adhesive film is extended, and the adhesive film exhibits a ratio of peel strength to tear load of at least 1:1.5.
www.freepatentsonline.com /6436527.html   (1564 words)

  
 Encardio-Rite - Products | Vibrating Wire Digital Indicator   (Site not responding. Last check: )
The tape extensometer is designed to accurately measure small change in distance between two points which may be from 1 m to 30 m (or 50 m) apart.
Model EDS-80 tape extensometer consists of a precision punched tape, incorporating a repeatable tensioning system and a digital read-out, which are housed in an instrument casing (1).
Constant tension in the tape is achieved by a precision tension spring and a knurled adjustment knob.
encardio.com /aprod_tapeext.html   (622 words)

  
 HNF - Heinz Nixdorf MuseumsForum   (Site not responding. Last check: )
Punched card technology was only replaced gradually by electronic data processing from the 1960s.
Punched tape was the forerunner of punched cards for storing data.
Punched cards were first used to store data in 1890 by the census authorities in the USA.
www.hnf.de /museum/lochkarten_en.html   (297 words)

  
 paper tape Definition: TechEncyclopedia from TechWeb
Paper tape holds data as patterns of punched holes.
Paper tape was widely used in the early years of computing as a storage medium.
In the 1950s, this typewriter-like device was used to punch data into tape for the Whirlwind and SAGE computers (see Whirlwind and SAGE).
www.techweb.com /encyclopedia/defineterm.jhtml?term=papertape   (254 words)

  
 The industrial age: 1650 to 1900
The punched rolls used in player pianos could be considered an early form of punched tape, but this was a very specialized application.
The tape was driven through the reader by a sprocket wheel that engaged a track of holes punched into the tape specifically for the purpose of controlling tape movement.
Punched tape was in use well into the 1970s for storage of computer programs and data and for transmission by teletype, but it was rapidly supplanted by magnetic tape thereafter.
www.moah.org /exhibits/archives/brains/industrial.html   (2400 words)

  
 Paper tape   (Site not responding. Last check: )
The requirements are fed in on tape which is perforated by the action of this keyboard.
From the early days of computing up till well into the 70's, paper tape was heavily used in the computer industry as a cheap and reliable means of data storage.
Paper tapes could be corrected, edited or repaired easily by manually adding missing holes, or by cut-and-paste operations, using some very simple mechanical tools.
www.science.uva.nl /faculteit/museum/papertape.html   (507 words)

  
 punched tape prices
Looks like punched tape is still used for some older numerically-controlled machine tools, so it's still sold.
It looks like the tapes hold about 20 characters per inch (see photos at http://www.trybusnc.com/punch.html), which would mean that 500 feet of tape holds 120,000 bytes.
That means the cheapest (fanfold) paper tape I looked at is around 34,000 bits per cent, while the cheapest punched mylar tape holds around 550 bits per cent.
lists.canonical.org /pipermail/kragen-tol/1999-May/000408.html   (500 words)

  
 Paper Tape
The tape was one-inch wide, and each line of the EDL took approximately eight inches of tape.
Remex was the maker of a popular high speed paper tape reader/punch, and also the supplier of blank paper tape.
The smaller holes near the center of the tape are used to drive the tape through the reader.
www.sssm.com /editing/museum/edls/papertp.html   (324 words)

  
 Sir Charles Wheatstone Uses Paper Tape to Store Data
paper tape readers accessed the data by means of springy wires (one per channel), which could make electrical connections to conducting plates under the tape wherever a hole was present.
The higher-speed opto-electronic models used rubber rollers to drive the tape, but the sprocket holes remained, because light passing through them could be detected and used to generate synchronization pulses.
Of course, it was still necessary to be able to differentiate between the two ends of the tape, so the operators used scissors to shape the front-end into a triangular point, thereby indicating that this was the end to be stuck into the tape reader.
www.maxmon.com /1857ad.htm   (625 words)

  
 B-2
It kept the tape taut so that it wouldn't hang up when it came out of the tape punch or when read by a tape reader.
When "FLASH" traffic was received, operators had tape strung across the room literally from the output of one tape punch to the tape reader relaying to another node.
Tape perforators, which produced a large amount of noise, were fitted into sound-proof cabinets.
www.jproc.ca /crypto/b_02.html   (1322 words)

  
 DIY Calculator :: Paper Tapes and Punched Cards
In a similar manner to Sir Charles' telegraph tape, the designers of the early computers realized that they could record their data on a paper tape by punching rows of holes across the width of the tape.
In the original slower-speed readers, the small sprocket holes running along the length of the tape between channels 2 and 3 were engaged by a toothed wheel to advance the tape.
However, although paper tapes and punched cards may seem delightfully antiquated, many institutions, including universities, continued to use these forms of data storage well into the 1980s, and both techniques are still to be found in the odd technological backwater to this day.
www.diycalculator.com /popup-h-paper.shtml   (4114 words)

  
 SSEC Paper Tape   (Site not responding. Last check: )
The tapes hanging down could lengthen and shorten, and for program tapes and the table lookup unit we cemented the tape end-to-end into short loops (yes, someone had had to provide the jig).
It passes through a punch unit in the square box at the upper left and is punched with two round sprocket holes and up to seventy-eight conventional IBM rectangular holes.
Each punch is followed by 10 reading stations, or the tape from the first may pass to all 30 reading stations.
www.columbia.edu /acis/history/ssec-tape.html   (638 words)

  
 [No title]   (Site not responding. Last check: )
The minimum configuration for Magnetic Tape System operation is: HP 2116A or 2115A Computer with 8K memory HP 2752A Teleprinter HP 2737A Punched Tape Reader HP 2020A/B Magnetic Tape Unit ALLOCATION OF FILES The tape consists of two files with the remaining portion used as a scratch file or area.
The tape number is determined t;y the order in which the tapes are submitted to the generator routine; it is not printed for the first tape.
The binary object tape is not affected by this error; the con- trol statement entered via the Teleprinter is the one used by the Assembler.
oscar.taurus.com /~jeff/2100/stdsoft/stdsoft.txt   (15172 words)

  
 exploremy : brief history of the computer
punched cards (similar to those used in a Jacquard loom), which would be read into the machine from several different Reading Stations.
Because of this, reading errors were reduced dramatically, work flow increased, and, most importantly, stacks of punched cards could be used as easily accessible memory of almost unlimited size.
For more than 50 years after their first use, punched card machines did most of the world's first business computing, and a considerable amount of the computing work in science.
www.softlord.com /comp   (2946 words)

  
 [No title]   (Site not responding. Last check: )
The routine is designed to operate on a configuration including 8K memory, an HP 2737A Punched Tape Reader, and an HP 2753A Tape Punch.
If more than one punch or verify operation is to be per- formed, the channel assignment function of the routine can be bypassed by setting Switch 0 to 1 (up).
If the tape being verified is read through the Reader without a halt, the tape did not have sufficient trailer (30 feed frames).
oscar.taurus.com /~jeff/2100/stdsoft/chap-14.txt   (717 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.