Quiz schema familles et lignees

Familles et lignées d'objets techniques

• A family of technological objects (OST) groups all objects and systems that share the same use function.
• A lineage of OST is a chronological succession of objects and systems belonging to the same family and using the same technical principle.

Example 1: Writing Instruments Family

• The writing instruments family fulfills the "writing on paper" function.
• Key technical principles include:
  • Graphite mine (pencil)
  • Textile with wool fibers and permanent ink (felt-tip pen)
  • Thick ink spread by a ball (ballpoint pen)
  • Ink flowing between the two nibs of a pen (fountain pen)

Example 2: Vacuum Cleaners Family

• The vacuum cleaner family fulfills the "dust and debris removal" function.
• Key technical principles include:
  • Vacuum cleaner with a cord
  • Cordless vacuum cleaner
  • Cordless vacuum connected automatically

Example 1: Pen Lineage

• The pen lineage, starting with humble beginnings, has evolved into modern writing instruments.
• This lineage is rich in innovation and creativity, although the invention of the ballpoint pen and other modern options has reduced the popularity of fountain pens.

Example 2: Vacuum Cleaner Lineage

• The history of the self-contained vacuum cleaner is relatively recent.
• Each development step was marked by innovations, which redefined the capabilities and performance of the machines.
• Key innovations include: automatic charging, adaptability to different surface types, and automation features such as programming and mapping.