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`Ons
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`CONTROLLED-
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`ENVIRONMENT
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`107 a
`SYSTEM
`COMMUNICATION
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`SEC-P120US
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`2/5
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`SEC-P120US
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`a3
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`03b
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`303a
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`302
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`7
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`IMAGE
`SENSOR
`301
`
`306
`
`305
`
`304
`
`307
`
`FIG. 3
`
`130
`
`VISITATION SYSTEM
`
`A401
`
`COMMUNICATION
`DEVICE
`
`IMAGE
`PROCESSOR
`
`<<
`DATA STORAGE
`
`403
`
`CAMERA
`CONTROLLER
`
`402
`
`404
`
`FIG. 4
`
`103
`
`VIDEO VISITATION DEVICE
`
`
`501
`
`COMMUNICATION
`
`DEVICE
`
`CAMERA CONTROL
`
`LENS CONTROL
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`7
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`50
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`506
`
`APERTURE
`CONTROL
`
`FIG. 5
`
`
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`FIG. 6
`600
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` 601A
`601B
`COMPUTER SYSTEM
`601N
`
`
`PROCESSOR
`
`PROCESSOR
`
`603
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`BUS
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`MEMORY
`
`NETWORK
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`PROGRAM
`DATA
`
`INSTRUCTIONS||STORAGE INTERFACE CONTROLLER(S)
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`604
`605
`
`609
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`610
`
`CURSOR
`CONTROL
`606
`
`DISPLAY(S)
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`SEC-P120US
`
`4/5
`
`PROCESSOR
`
`
`
`
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`SEC-P120US
`
`SSS
`
`700
`v
`
`RECEIVE VIDEO AT A VIDEO VISITATION
`DEVICE IN A SECURE ENVIRONMENT
`
`ADJUST A DEPTH-OF-FIELD PARAMETER FORTHE VIDEO,
`SUCH THAT AN IMAGE OF A FIRST OBJECT AT A FIRST
`DISTANCE FROM THE VIDEO VISITATION DEVICE IS IN FOCUS
`AND AN IMAGE OF A SECOND OBJECT AT A SECOND
`DISTANCE FROM THE VIDEO VISITATION DEVICE IS BLURRED
`
`PROVIDING THE VIDEO TO A VIEWING DEVICE
`LOCATED OUTSIDE OF THE SECURE ENVIRONMENT
`
`(END)
`
`FIG. 7
`
`
`
`
`800
`x
`
`RECEIVE VIDEO FROM A VIDEO VISITATION
`DEVICE IN A SECURE ENVIRONMENT
`
`STORE THE VIDEO RECEIVED FROM THE VIDEO
`VISITATION DEVICE IN A DATA STORAGE DEVICE
`
`ADJUST A DEPTH-OF-FIELD PARAMETER FORTHE VIDEO,
`SUCH THAT AN IMAGE OFA FIRST OBJECT AT A FIRST
`DISTANCE FROM THE VIDEO VISITATION DEVICEIS IN FOCUS
`AND AN IMAGE OF A SECOND OBJECT AT A SECOND
`DISTANCE FROM THE VIDEO VISITATION DEVICE IS BLURRED
`
`PROVIDING THE VIDEO TO A VIEWING DEVICE
`LOCATED OUTSIDE OF THE SECURE ENVIRONMENT
`
`C_END_)
`
`FIG. 8
`
`701
`
`702
`
`703
`
`801
`
`802
`
`803
`
`804
`
`