Close circuit television measurement system

Claim 2

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; means responsive to said control signals for generating display bars which establish references for the horizontal and vertical measuring modes; means for selectively displaying said bars on said monitor; means for selectively positioning the location of said display bars adjacent the image to be measured to extract a video signal corresponding to the width and height of said image; means for automatically making a horizontal measurement by measuring the width of the extracted video signal; means for automatically making a vertical measurement by counting the number of horizontal scan lines in the height of the extracted video signal; and means for providing a digital readout of said measurements.

Claim 3

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; means responsive to said control signals for generating display bars which establish references for the horizontal and vertical measuring modes; meaNs for selectively displaying said bars on said monitor; means for selectively positioning the location of said display bars adjacent the image to be measured to extract a video signal corresponding to the width and height of said image; means controlled by said display bars and the extracted video signal for generating a measurement bar which is displayed on the monitor as an overlay showing where the measurement is being taken; means for automatically making a horizontal measurement by measuring the width of the extracted video signal; means for automatically making a vertical measurement by counting the number of horizontal scan lines in the height of the extracted video signal; and means for providing a digital readout of said measurements.

Claim 4

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; means responsive to said control signals for generating display bars which establish references for the horizontal and vertical measuring modes; meaNs for selectively displaying said bars on said monitor; means for selectively positioning the location of said display bars adjacent the image to be measured to extract a video signal corresponding to the width and height of said image; means controlled by said display bars and the extracted video signal for generating a measurement bar which is displayed on the monitor as an overlay showing where the measurement is being taken; means for automatically making a horizontal measurement by measuring the width of the extracted video signal; means for automatically making a vertical measurement by counting the number of horizontal scan lines in the height of the extracted video signal; and means for providing a digital readout of said measurements.

Claim 5

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; means responsive to said control signals for generating horizontal bar, vertical bar and spot bar pulses which establish references for the horizontal and vertical measuring modes; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bay preparatory to making a horizontal measurement or a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the portion of the image which is to be measured horizontally or the vertical bar will be positioned over the portion of the image to be measured vertically with the spot bar positioned to intersect the top edge of this image portion; means responsive to said video signals, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse which is to be measured horizontally; means responsive to said video signals, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse which is to be measured vertically; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulse and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represent the vertical measurements of the extracted video pulse.

Claim 6

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; means responsive to said control signals for generating horizontal bar, vertical bar and spot bar pulses which establish references for the horizontal and vertical measuring modes; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bay preparatory to making a horizontal measurement or a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the portion of the image which is to be measured horizontally or the vertical bar will be positioned over the portion of the image to be measured vertically with the spot bar positioned to intersect the top edge of this image portion; means responsive to said video signals, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse which is to be measured horizontally; means responsive to said video signals, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse which is to be measured vertically; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulse and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represent the vertical measurements of the extracted video pulse.

Claim 7

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; means responsive to said control signals for generating horizontal bar, vertical bar and spot bar pulses which establish references for the horizontal and vertical measuring modes; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bar preparatory to making a horizontal measurement or a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the portion of the image which is to be measured horizontally or the vertical bar will be positioned over the portion of the image to be measured vertically with the spot bar positioned to intersect the top edge of this image portion; means responsive to said video signals, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse which is to be measured horizontally; means responsive to said video signals, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse which is to be measured vertically; switching means for selectively transmitting said horizontal measuring bar and vertical measuring bar pulses to said monitor tube to display an overlay on the image which shows where the measurement is being taken; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulses and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represent the vertical measurement of the extracted video pulse.

Claim 8

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; means responsive to said control signals for generating horizontal bar, vertical bar and spot bar pulses which establish references for the horizontal and vertical measuring modes; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bar preparatory to making a horizontal measurement or a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the portion of the image which is to be measured horizontally or the vertical bar will be positioned over the portion of the image to be measured vertically with the spot bar positioned to intersect the top edge of this image portion; means responsive to said video signals, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse which is to be measured horizontally; means responsive to said video signals, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse which is to be measured vertically; switching means for selectively transmitting said horizontal measuring bar and vertical measuring bar pulses to said monitor tube to display an overlay on the image which shows where the measurement is being taken; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulses and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represent the vertical measurement of the extracted video pulse.

Claim 9

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; horizontal bar generator means responsive to said vertical deflection signals for generating horizontal bar pulses; vertical bar generator means responsive to said horizontal blanking signals for generating vertical bar pulses; a video detector for receiving said video signals; spot bar generator means responsive to said horizontal bar and vertical bar pulses for generating spot bar pulses; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bar preparatory to making a horizontal measurement or a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the portion of the image which is to be measured horizontally or the vertical bar will be positioned over the portion of the image to be measured vertically with the spot bar positioned to intersect the top edge of this image portion; a horizontal measuring bar generator responsive to said video detector, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse which is to be measured horizontally; a vertical measuring bar generator responsive to said video detector, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse which is to be measured vertically; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulses and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represent the vertical measurement of the extracted video pulse.

Claim 10

A television measurement system for making linear measurements of an optical image in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; horizontal bar generator means responsive to said vertical deflection signals for generating horizontal bar pulses; vertical bar generator means responsive to said horizontal blanking signals for generating vertical bar pulses; a video detector for receiving said video signals; spot bar generator means responsive to said horizontal bar and vertical bar pulses for generating spot bar pulses; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bar preparatory to making a horizontal measurement or a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the portion of the image which is to be measured horizontally or the vertical bar will be positioned over the portion of the image to be measured vertically with the spot bar positioned to intersect the top edge of this image portion; a horizontal measuring bar generator responsive to said video detector, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse which is to be measured horizontally; a vertical measuring bar generator responsive to said video detector, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse which is to be measured vertically; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulses and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represent the vertical measurement of the extracted video pulse.

Claim 11

A television measurement system as set forth in claim 5 and including switching means foR selectively transmitting said horizontal measuring bar and vertically measuring bar pulses to said monitor tube to display an overlay on the image which shows where the measurement is being taken.

Claim 12

A television measurement system for measuring the width of printed circuit lines in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; a first single-shot circuit responsive to said vertical deflection signals for generating horizontal bar pulses which establish a reference for the horizontal and vertical measuring modes; a second single-shot circuit responsive to said horizontal blanking signals for generating vertical bar pulses which establish a reference for the horizontal and vertical measuring modes; a third single-shot circuit responsive to said horizontal bar and vertical bar pulses for generating spot bar pulses which establish a reference for the vertical measuring mode; a video detector for receiving said video signals; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bar preparatory to making a horizontal measurement of a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable potentiometer means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the printed-circuit line in the image which is to be measured in the horizontal direction or the vertical bar will be positioned over the printed-circuit line which is to be measured in a vertical direction with the spot bar positioned to intersect the top edge of this line; a first latch circuit responsive to said video detector, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse extracted when scanning the width of the line being measured in the horizontal direction; a second latch circuit responsive to said video detector, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse extracted when scanning the line being measured in the vertical direction; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulses and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represents the vertical measurement of the extracted video pulse.

Claim 13

A television measurement system for measuring the width of printed circuit lines in either a vertical or horizontal direction comprising; a television camera for scanning line by line and field by field the image to be measured and which provides vertical blanking, horizontal blanking and vertical deflection control signals in addition to the video signals; a monitor tube synchronized with said camera for visually displaying the image being scanned; a first single-shot circuit responsive to said vertical deflection signals for generating horizontal bar pulses which establish a reference for the horizontal and vertical measuring modes; a second single-shot circuit responsive to said horizontal blanking signals for generating vertical bar pulses which establish a reference for the horizontal and vertical measuring modes; a third single-shot circuit responsive to said horizontal bar and vertical bar pulses for generating spot bar pulses which establish a reference for the vertical measuring mode; a video detector for receiving said video signals; switching means for selectively transmitting said horizontal bar, vertical bar and spot bar pulses to said monitor tube to display a horizontal bar and a vertical bar preparatory to making a horizontal measurement of a vertical bar and a spot bar preparatory to making a vertical measurement; adjustable potentiometer means for positioning the location of said bars whereby the horizontal bar and vertical bar will be positioned to intersect to the left of the printed-circuit line in the image which is to be measured in the horizontal direction or the vertical bar will be positioned over the printed-circuit line which is to be measured in a vertical direction with the spot bar positioned to intersect the top edge of this line; a first latch circuit responsive to said video detector, horizontal bar pulses and vertical bar pulses for generating horizontal measuring bar pulses which represent the width of the video pulse extracted when scanning the width of the line being measured in the horizontal direction; a second latch circuit responsive to said video detector, vertical bar pulses and spot bar pulses for generating vertical measuring bar pulses which represent the video pulse extracted when scanning the line being measured in the vertical direction; and a time interval counter operable in a time interval mode to receive said horizontal measuring bar pulses and provide a digital readout of their width which represents the horizontal measurement of the extracted video pulse, said counter being switchable to an events mode to receive said vertical measuring bar pulses and provide a digital readout of the total number of horizontal scan lines which represents the vertical measurement of the extracted video pulse.

Claim 14

A television measurement system as set forth in claim 7 and including switching means for selectively transmitting said horizontal measuring bar and vertical measuring bar pulses to said monitor tube to display an overlay bar on the line being measured which shows where on the line the measurement is being taken.

Claim 15

A television measurement system as set forth in claim 7 characterized by a fourth line gating trigger circuit for gating every fourth horizontal bar pulse to said time interval counter to insure that the correct video information is being measured.

Claim 16

A television measurement system as set forth in claim 7 characterized by a 2-bit binary counter gating circuit for gating only one frame of vertical measuring bar pulses to said time interval counter.