Aperture card meaning

An aperture card is a type of punch card used to store and retrieve information, typically used for engineering drawings and other technical documents.


Aperture card definitions

Word backwards erutrepa drac
Part of speech Noun
Syllabic division a-per-ture card
Plural The plural of the word "aperture card" is "aperture cards."
Total letters 12
Vogais (3) a,e,u
Consonants (5) p,r,t,c,d

What is an Aperture Card?

An aperture card is a type of punched card that contains a cut-out window (or aperture) through which a portion of the underlying information can be viewed. These cards are typically used for storing engineering drawings, blueprints, and other types of technical documents.

How Does an Aperture Card Work?

Aperture cards are created by mounting a microfilm containing the document onto a standard-sized card. The cut-out window on the card aligns with a specific image on the microfilm. By looking through the aperture, users can view the information stored on the microfilm without having to unroll or handle the original document.

The Benefits of Using Aperture Cards

Aperture cards provide a compact and organized way to store large-format documents. They help protect delicate originals from damage due to handling and exposure to light. Additionally, aperture cards are often used in archival settings where space is at a premium, as they require minimal storage space compared to traditional filing systems.

Applications of Aperture Cards

Aperture cards are commonly used in industries such as engineering, architecture, and manufacturing. They are particularly useful for storing technical drawings, blueprints, and other oversized documents that need to be preserved for long periods of time. By using aperture cards, organizations can efficiently store and retrieve important information.

The Future of Aperture Cards

While aperture cards have been a popular method of storing technical drawings for many years, advancements in digital technology have led to a decrease in their use. However, aperture cards continue to be valuable for organizations that require physical copies of important documents or need to preserve historical records in a secure and durable format.


Aperture card Examples

  1. The aperture card contains microfilm images of historical documents.
  2. Engineers use aperture cards to store and retrieve technical drawings.
  3. The library archives old photographs on aperture cards for preservation.
  4. Government agencies store personnel records on aperture cards.
  5. Medical facilities use aperture cards to manage patient information.
  6. Architectural firms rely on aperture cards for storing blueprints and designs.
  7. Research institutions utilize aperture cards for storing scientific data.
  8. Law firms store legal documents on aperture cards for easy access.
  9. Museums use aperture cards to catalog and organize art collections.
  10. Aperture cards are commonly used in the aerospace industry for technical documentation.


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  • Updated 20/05/2024 - 09:18:08