A special bit pattern is used to locate the beginning of a frame.

Within the net, these numbers are represented as bit patterns and their numerical values have no significance.

Electrical contacts in the camera read the bit pattern.

Put another way, they have fairly regular bit patterns.

Right shift can be used to divide a bit pattern by 2 as shown:

Each frame begins and ends with a special bit pattern 01111110, called a flag byte.

The time and number of axles were punched as a 16 bit pattern into the paper tape.

This ensured a clearly defined magnetic space between bit patterns.

This can be done by attaching special bit patterns to the beginning and the end of the frame.

The other two possible bit patterns indicated no indexing, or indirect addressing.