What is reinforced adhesive tape? Is it the same as handmade paper tape? My child`s back-to-school list has the cryptic “roll of tape” as an item, and for my life, I don`t know what the teacher wants, although I guess it was handmade paper tape. Does anyone have any idea what I should get? (2) A roll of paper printed by a calculator or cash register. Paper tape is a slow, sequential and low-capacity medium for data storage that was used on early communication and computing devices. The paper strip contains data in the form of perforated hole patterns, where the data is represented by the absence or presence of holes in certain places. The data was written and stored using special tape read and write systems. It was widely used in the early twentieth century for TTY communication, as well as in the computer world in the 1950s and 1960s. Paper tape is now largely obsolete. There were some early benefits associated with paper tape. Compared to magnetic tapes, perforated tapes had better durability when acid-free paper or similar paper was used. In case of crack or damage, it could be repaired to some extent and therefore had better human accessibility. The paper strips were immune to magnetic fields, allowing data to be read and stored for longer periods of time.
(1) Slow, sequential, low-capacity storage media used on previous computing and communication equipment. Paper tape contains data in the form of a sample of perforated holes. NCR of Dayton, Ohio, made cash registers around 1970 that punched paper tape. Sweda produced similar cash registers around the same time. The tape could then be read into a computer and not only sales information could be aggregated, but also settlements for fee transactions. The tape was also used for inventory tracking, department records, and class numbers of items sold. The punched tape was used to store messages for teletypewriters. The operators typed the message onto the paper tape and then sent it out of the tape at maximum line speed. This allowed the operator to prepare the “offline” message with the best typing speed of the operator and allowed the operator to correct errors before transmission. An experienced operator can prepare a message at 135 words per minute (WPM) or more for short periods of time. Paper ribbons made of punch cards were used throughout the 19th century to control looms.
Perforated paper ribbons were first used by Basile Bouchon in 1725 to control looms. However, paper strips were expensive to produce, fragile and difficult to repair. In 1801, Joseph Marie Jacquard had developed machines to create paper ribbons by attaching punched cards in a sequence for jacquard looms. The resulting paper tape, also known as the “card chain,” was stronger and easier to create and repair. In the 1970s, computerized manufacturing equipment often used paper tape. Paper tape, for example, was an important storage medium for computer-controlled wire winding machines. A paper tape drive was smaller and cheaper than Hollerith or magnetic tape drives. High quality black oiled and lubricated long fiber papers and Mylar film strips were invented to extend the life of production tapes for these machines. From the 1970s to the early 1980s, paper tapes were widely used to transmit binary data embedded in mask-programmable ROM chips (read-only memory) or their erasable equivalents – EPROM. A variety of encoding formats have been developed for use in computer data transmission and ROM/EPROM. [5] The encoding formats commonly used were primarily determined by the formats supported by EPROM programmers and included various ASCII hexadecimal variants as well as a number of proprietary formats.
The line was normally operated at 75WPM, but it operated continuously. By preparing the tape “offline” and then sending the message with a tape drive, the line could operate continuously instead of relying on continuous input “online” by a single operator. Typically, a single 75WPM line supported three or more teletypewriters operating offline. The perforated tapes at the receiving end could be used to route messages to another station. These techniques have been used to develop large storage and transfer networks. Tape is a type of weak adhesive tape used in painting, color coding, assembly, and packaging. It is very easy to tear and can be removed without damaging the surface to which it is attached. There are several types of paper tapes, including masking tape, drawing tape, artist`s tape, cardboard tape, and painter`s tape. Paper tape was a long strip of paper in which holes were drilled to store data.
The paper tape was usually 0.1 mm thick and the hole spacing was 2.54 mm in both directions of the tape. Some paper strips had predefined mechanical, electrical and optical properties so that they could be used in any environment. The movement of the tape relative to the data was usually marked on the paper strip. The data on the paper strip can be encoded by various techniques. Many standards were used for encoding, such as: In 1846, Alexander Bain used perforated tape to send telegrams. This technology was adopted by Charles Wheatstone in 1857 for the processing, storage and transmission of data in telegraphy. [1] Painter`s tape is used in construction work to mark areas that are not painted. It is often used to cover door handles, window edges and skirting boards.
This type of tape is very weak in adhesive to prevent the removal of paint and drywall during removal. It is guaranteed to be removed cleanly up to 14 days after application, even in direct sunlight. The painter`s ribbon is sold in three-quarters of an inch (1.905 cm), one inch (2.54 cm), one and a half inches (3.81 cm) and two inches (5.08 cm) wide. Drawing tape is a variety of paper tape used to hold plans on a light table or drawing board. It has the lowest adhesion among all paper ribbons to avoid damaging thin paper or parchment. It can be easily removed without damaging the plane or removing the ink. Data were represented by the presence or absence of a hole at a particular location. The bands originally had five rows of holes for data. Later, the bands had six, seven and eight rows. One of the first programmable electromechanical calculators, the Automatic Sequence Controlled Calculator or Harvard Mark I, used 24-line paper tape.
[2] A series of smaller sprocket holes, still perforated, were used to feed the belt, originally with a radial tooth wheel called a sprocket. Later, optical drives used pinion holes to generate time pulses. The holes in the sprocket are slightly on one side, so it is clear in which direction the strip should be aligned in the drive, and the strip is divided into unequal sides. The bits on the narrowest side of the band are usually the least significant bits when the code is represented as numbers in a numeric system. [ref. needed] PCB tape is another type of paper tape whose main purpose is to mark channels on audio and lighting control panels. If you cover a previous set of marks with new tape, it will not bleed. It is available in a variety of colors to mark many channels. It is self-adhesive and available in widths of 1.27 cm, 1.905 cm (three-quarters of an inch) and 2.54 cm (one inch). Perforated tape was used by the newspaper industry until the mid-1970s or later.