Mail sorting

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Automated postal sorting equipment of British Royal Mail BLW Automated postal sorting equipment (2).jpg
Automated postal sorting equipment of British Royal Mail

Mail sorting refers to the methods by which postal systems determine how and where to route mail for delivery. Once accomplished by hand, mail sorting is now largely automated through the aid of specialized machines. The first widely adopted mail sorting machine was the Transorma, first made operational in Rotterdam in 1930.

Contents

Mail sorting systems are now also used by corporations and other mailers to presort mail prior to delivery in order to earn discounts on postage. In the United States, for example, presort discounts can reduce the cost of First-Class Mail from $0.42 to as low as $0.324. [1] Many companies also use mail sorters to handle incoming mail such as checks, orders and correspondence.

History

Postal employees sorting mail by hand, Los Angeles, 1951 Mail sorting,1951.jpg
Postal employees sorting mail by hand, Los Angeles, 1951
A Finnish hand mail sorting facility, 1972 Posti-Finland-assorting-1972.jpg
A Finnish hand mail sorting facility, 1972

For much of the 20th century, mail was sorted by hand using what is called a "pigeon-hole messagebox" method. Addresses were read and manually slotted into specific compartments. Early forms of a mechanical mail sorter were developed and tested in the 1920s. The Transorma, manufactured by the Dutch company Werkspoor, was first operated in Rotterdam in 1930 and then spread to other Dutch cities. By the mid 1950s, Transormas had been introduced to Brazil, Belgium, Argentina, Venezuela, and Canada. The Transorma 5/300 consisted of an upper and lower section, a conveyor belt transport and a series of five sorting keyboards. Operators read the destination and keyed a sorting code. The letter was then automatically transferred to a letter tray and deposited into one of 300 chutes. The Transorma could sort 15,000 letters per hour.

United States

To handle rapidly growing mail volumes, the United States Postal Service installed its first semiautomatic sorting machine, a Transorma 5/300 distributed by Pitney Bowes, on April 10, 1957. The machine doubled the throughput of letters that the same number of clerks could do by hand.

In 1965, the postal service put the first high-speed optical character reader into operation that could handle a preliminary sort automatically[ citation needed ]. The first computer-driven single-line optical character reader—which reads the mailpiece destination address then prints a barcode on the envelope that could be used to automate mail sorting from start to finish—was employed in 1982.

With the U.S. Postal Service introduction of postal worksharing, ZIP + 4 and the POSTNET barcode in 1980, companies were given an incentive to sort their mail prior to inducting it at the Post Office. Today,[ as of? ] presort and automation discounts can save companies up to 50% or more on postage—and many companies use mail sorters to sort both incoming and outgoing mail.[ citation needed ]

Outgoing mail sorters

Mail sorters can process up to 55,000 #10 envelopes per hour. Systems can scan and archive mail piece images during the sort process for compliance and proof of mailing. Multi-line optical character reader technology can also read and validate both machine-print and handwritten pieces.

Incoming mail sorters

Manual mail sorter. (1992) Manual mail sorter - 1992 - BLS.png
Manual mail sorter. (1992)

Companies who receive a high-volume of incoming mail, including remittance checks, orders and correspondence, use mail sorters to help ensure that mail reaches the right person or department quickly and efficiently.

Video coding

Video coding refers to entering address details manually if they cannot be retrieved automatically by OCR software. The address details on the postal items will be scanned by the sorting machine and this image will be sent to a computer that is connected to the network. Professionally trained data specialists receive the image, enter the correct address details and send them back, so that the sorting machine can sort the mail properly. [2] Video coding is a crucial process for parcel and postal logistics providers, as 3–7% of all shipments require manual data entry. [3]

New technologies

Recent innovations[ when? ] allow for mixed mail sorting—providing for postal discounts on letters, small parcels, flat mailers, irregularly shaped pieces, padded envelopes and even polywrap sheets.

In 2007, the USPS introduced shape-based pricing which offered more significant postal discounts for mailers who sorted flat-sized mailpieces. In response to this postal change, the market responded with new low-cost systems designed specifically to support flat mail sorting for mailers who process between 500 and 10,000 first class flats per day.

Nowadays,[ when? ] internet of things-based automation systems are installed with the mail sorters which send automatic notifications in case of any failure of equipment. This leads to high productivity as the machine is running for maximum time without any failure. [4]

Related Research Articles

<span class="mw-page-title-main">United States Postal Service</span> Independent agency of the U.S. federal government

The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, its insular areas, and its associated states. It is one of the few government agencies explicitly authorized by the Constitution of the United States. As of 2023, the USPS has 525,469 career employees and 114,623 non-career employees.

<span class="mw-page-title-main">ZIP Code</span> Numeric postal code used in the US and its territories

A ZIP Code is a system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that the mail travels more efficiently and quickly when senders use the code in the postal address.

<span class="mw-page-title-main">Postcodes in the United Kingdom</span>

Postal codes used in the United Kingdom, British Overseas Territories and Crown dependencies are known as postcodes. They are alphanumeric and were adopted nationally between 11 October 1959 and 1974, having been devised by the General Post Office . The system uses alphanumeric codes to designate geographic areas. A full postcode, also known as a "postcode unit", identifies a group of addresses or a major delivery point. It consists of an outward code and inward code. The outward code indicates the area and district, while the inward code specifies the sector and delivery point, typically encompassing about 15 addresses.

<span class="mw-page-title-main">Registered mail</span> Postal service

Registered mail is a postal service in many countries which allows the sender proof of mailing via a receipt and, upon request, electronic verification that an article was delivered or that a delivery attempt was made. Depending on the country, additional services may also be available, such as:

POSTNET is a barcode symbology used by the United States Postal Service to assist in directing mail. The ZIP Code or ZIP+4 code is encoded in half- and full-height bars. Most often, the delivery point is added, usually being the last two digits of the address or PO box number.

Bulk mail broadly refers to mail that is mailed and processed in bulk at reduced rates. The term is sometimes used as a synonym for advertising mail.

<span class="mw-page-title-main">PostBar</span>

PostBar, also known as CPC 4-State, is the black-ink barcode system used by Canada Post in its automated mail sorting and delivery operations. It is similar to other 4 State barcode systems used by Australia Post and the United Kingdom's Royal Mail, but uses an obscured structure and encoding system unique to Canada Post. This particular bar code system is used on "flats" and parcels.

<span class="mw-page-title-main">Postage meter</span> Machine for printing proof of postage payment

A postage meter or franking machine is a mechanical device used to create and apply physical evidence of postage to mailed items. Postage meters are regulated by a country's postal authority. A postage meter imprints an amount of postage, functioning as a postage stamp, a cancellation and a dated postmark all in one. The meter stamp serves as proof of payment and eliminates the need for adhesive stamps.

<span class="mw-page-title-main">Freepost</span> Postal service paid for upon receipt

Freepost is a postal service provided by various postal administrations, whereby a person sends mail without affixing postage, and the recipient pays the postage when collecting the mail. Freepost differs from self-addressed stamped envelopes, courtesy reply mail, and metered reply mail in that the recipient of the freepost pays only for those items that are actually received, rather than for all that are distributed. Freepost of preprinted cards issued by businesses is also different from postal stationery sold by postal administrations.

<span class="mw-page-title-main">Facing Identification Mark</span>

The Facing Identification Mark, or FIM, is a bar code designed by the United States Postal Service to assist in the automated processing of mail. The FIM is a set of vertical bars printed on the envelope or postcard near the upper edge, just to the left of the postage area. The FIM is intended for use primarily on preprinted envelopes and postcards and is applied by the company printing the envelopes or postcards, not by the USPS.

A multiline optical-character reader, or MLOCR, is a type of mail sorting machine that uses optical character recognition (OCR) technology to determine how to route mail through the postal system.

Remote Bar Coding System (RBCS), also called Remote Video Encoding (RVE) is a method used by the United States Postal Service during mail sorting to encode the address of letter-sized mailpieces that are not decipherable by a Multiline Optical Character Reader (MLOCR). When an MLOCR does not recognize a valid address on a letter, it sends an image of the mailpiece to a central RBCS (RVE) site where more sophisticated optical character recognition software is able to interpret many hand-written addresses using neural net and fuzzy logic algorithms. If this does not succeed, human operators visually examine the image and enter the address. In both cases, the data is sent back to the originating mail facility where mailpieces are then automatically matched back up with data through the use of a unique fluorescent barcode printed on the back during initial MLOCR attempt and receive a POSTNET barcode representing the full address.

<span class="mw-page-title-main">Russian Post</span> Russian national postal operator

Russian Post is an Aktsionernoye Obschestvo which is the national postal operator of Russia. The company is responsible for the delivery of mail in Russia, and the issuing of postage stamps. Russian Post employs about 390,000 people and has over 42,000 post offices, with its headquarters in Moscow. In 2012 the Russian Post delivered more than 2.4 billion pieces of mail and accounted for more than 54 million parcels and more than 100 million in remittances. In March 2013 a presidential decree signed by President Vladimir Putin included the Russian Post in a list of so-called strategic enterprises.

<span class="mw-page-title-main">Intelligent Mail barcode</span> Barcode for use on U.S. mail

The Intelligent Mail Barcode (IMb) is a 65-bar barcode for use on mail in the United States. The term "Intelligent Mail" refers to services offered by the United States Postal Service for domestic mail delivery. The IM barcode is intended to provide greater information and functionality than its predecessors POSTNET and PLANET. An Intelligent Mail barcode has also been referred to as a One Code Solution and a 4-State Customer Barcode, abbreviated 4CB, 4-CB or USPS4CB. The complete specification can be found in USPS Document USPS-B-3200. It effectively incorporates the routing ZIP Code and tracking information included in previously used postal barcode standards.

<span class="mw-page-title-main">Postcodes in Australia</span>

Postcodes in Australia are used to more efficiently sort and route mail within the Australian postal system. Postcodes in Australia have four digits and are placed at the end of the Australian address, before the country. Postcodes were introduced in Australia in 1967 by the Postmaster-General's Department and are now managed by Australia Post, Australia's national postal service. Postcodes are published in booklets available from post offices or online from the Australia Post website.

<span class="mw-page-title-main">Heathrow Worldwide Distribution Centre</span> Royal Mail sorting office

Heathrow Worldwide Distribution Centre (HWDC) is a sorting office for inbound and outbound international mail operated by Royal Mail. Located close to Heathrow Airport, the HWDC is situated in the town of Langley, Berkshire, near Slough, and began operations in 2003. The centre is often referred to by its abbreviation, Langley HWDC, or as 'GBLALA' in mail tracking information.

Permit Reply Mail is a class of mail service provided by the United States Postal Service. It is described in section 505 of the Domestic Mail Manual and is primarily used for reply envelopes containing optical discs.

<span class="mw-page-title-main">Package tracking</span> Process during package sorting and delivery

Package tracking or package logging is the process of localizing shipping containers, mail and parcel post at different points of time during sorting, warehousing, and package delivery to verify their provenance and to predict and aid delivery.

<span class="mw-page-title-main">Tritek</span>

Tritek Technologies, Inc. was founded in 1984 by inventor and innovator James Malatesta. Headquartered in Wilmington, Delaware, USA. It specializes in custom designed hardware and software for mail processing equipment, imaging, and vote-by-mail. It has many patents in mail sorting and processing.

Informed Delivery is a feature offered by the United States Postal Service (USPS) whereby consumers can digitally preview incoming mail and manage packages scheduled to arrive soon.

References

  1. "Prices and Fees". Archived from the original on October 31, 2008. Retrieved October 30, 2008. United States Postal Service – Table of Prices
  2. TNT Post. "TNT Post | Shore - Video Coding" . Retrieved 10 March 2011.
  3. "How to maximize efficiency in automated parcel sorting". Spectos. August 22, 2022. Retrieved February 24, 2022.
  4. "The Internet of Postal Things - RARC Report" (PDF).