Visualizatipn Flashcards

1
Q

Two types of video signals

A

Analog and Digital

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2
Q

What’s the difference between Analog Video vs Digital Video?

A

Analog:

  • voltage varies continuously
  • harder to capture
  • random unwanted variation
  • Noisier

Digital:

  • bits and bytes
  • easier to capture
  • Less noise
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3
Q

What is a BNC cable? What common machine uses it?

A

Microscopes and C-arm

Most basic black and white analog image

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4
Q

What is s-video cable?

A

Used in non-hd cameras

Always use a backup signal

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5
Q

What is Sdi cable?

A

Most common used by competitors.

Carries 10 bits of data per pixel

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6
Q

Explain DVI cable

A

Carries 24 bits of data per pixel

Tropically uses the SDI Single Link for current Stryker generations

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7
Q

What does hdmi include that dvi doesn’t?

A

Sound and control information

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8
Q

Does Stryker use progressive or interlaced scan?

A

Progressive. No picture disruptions

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9
Q

What resolution is 1080p?

A

1920x1080 = 2 million pixels

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10
Q

What resolution is 4K?

A

2 x 1080p.

=4096x2160 4x Amount of pixels

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11
Q

What is aspect ratio? Give examples

A

Width to height of monitor

720p = 4:3
1080p = 16:9
4K = 17:9
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12
Q

Types of camera heads

A

Standard, online and pendulum

Inline: is primarily used in cevenus vein harvesting

Pendulum: non lap procedures. More urology cases. Swivel coupler can be locked at any angle. It can be moved out of operating area and still maintain orientation

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13
Q

How many functions can be programmed on camera head?

A

19

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14
Q

How many settings on ccu?

A

9

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