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US3847346A Expired / Lapsed US ⏱️ 0.0 years remaining

Data field recognition and reading method and system

Assignee: SCHOLZE INGE
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Filing: 1974-01-21
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Granted: 1974-11-12
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Expires: 1994-01-21
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Abstract

Abstract Objects are identified by means of data information and may appear in random position and orientation and at random times in a particular area; a data field is provided to a surface of the objects in particular orientation having contrasting data markings arranged in at least one track, and a contrasting line pattern identifies location and orientation of the data field, the lines of the pattern extend in a first direction, the thickness and/or spacing of the lines is asymmetric in a direction normal to the first direction; the particular area is line-for-line scanned for repeatedly detecting a particular signal pattern resulting from scanning across the line pattern in a data field, the data field position and orientation is determined upon repeatedly detecting the particular signal pattern, and a unique data field scanning pattern is provided on the basis of the position and orientation determination, for causing the data track to be scanned repeatedly in direction of its extension and for reading the data contained therein.

Inventors

  • 👤 V Dolch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:42
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10861; G06K7/10871; G06K19/00; G06K19/06; G06K19/08; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2247; G06K2019/06215; G06K2019/06262

Claims Analysis

Total Claims: 38
Claim 1
Independent Claim 206 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field on a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; providing to the data field a contrasting line pattern identifying location and orientation of the track in the data field, the pattern including plural lines extending in a first direction, and being spaced in a direction normal to the first direction; line scanning the particular area in a scanning field for detecting repeatedly a particular signal pattern as resulting from line scanning the particular area when containing a data field with line pattern therein, and when line scanned transverse to the first direction and within an angular range about the said normal direction; determining the data field portion and orientation as a result of said line scanning when detecting repeatedly said particular signal pattern; and providing a unique data field scanning pattern on basis of said position and orientation determination for causing said data track to be scanned repeatedly in direction of its extension for reading the data contained in the data field.
Claim 2
Independent Claim 206 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field on a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; providing to the data field a contrasting line pattern identifying location and orientation of the track in the data field, the pattern including plural lines extending in a first direction, and being spaced in a direction normal to the first direction; line scanning the particular area in a scanning field for detecting repeatedly a particular signal pattern as resulting from line scanning the particular area when containing a data field with line pattern therein, and when line scanned transverse to the first direction and within an angular range about the said normal direction; determining the data field portion and orientation as a result of said line scanning when detecting repeatedly said particular signal pattern; and providing a unique data field scanning pattern on basis of said position and orientation determination for causing said data track to be scanned repeatedly in direction of its extension for reading the data contained in the data field.
Claim 3
Dependent Claim 36 words
The method as in claim 1, wherein the line scanning is carried out sequentially in different directions to obtain a relatively steep angle of passage of the lines of the scan across the contrasting line patterns.
Claim 4
Dependent Claim 27 words
The method as in claim 1, wherein the data field scanning pattern is substantially confined to the data field with field scan transverse to the data track.
Claim 5
Dependent Claim 50 words
The method as in claim 1, wherein the line pattern is placed along the data field, the data field orientation determination step including detecting particular points on the line pattern, the data field scanning pattern established as line scanning operation along the line pattern with field scanning occurring transversely thereto.
Claim 6
Dependent Claim 41 words
The method as in claim 4, including providing a unique start/alignment character at one end of the data field extending transversely to the data track, and controlling data reading in response to detection to said character during the data field scan.
Claim 7
Dependent Claim 54 words
The method as in claim 1, the determining step including the detection of two particularly spaced points on the line pattern, the unique data field scanning pattern being determined in relation to the direction as defined by the two points, defining the direction of needed line scan along the data track for data readout.
Claim 8
Dependent Claim 27 words
The method as in claim 1, the determining step including discriminating between opposite directions of line scan across the line pattern on basis of inverted signal patterns.
Claim 9
Dependent Claim 161 words
Apparatus for the reading of information in a particular area, comprising: first means for establishing a scanning raster by means of line and field scan respectively in two orthogonal directions and including means for rotating the scanning field to obtain different directions of line scan in the area; second means responsive to a particularly repetitive signal pattern as indication of a particularly oriented data field; third means connected to the second means to derive therefrom a plurality of control signals representing a pair of orthogonal directions directly indicating the orientation of the data field; a plurality of ramp signal generators connected to the third means to be responsive to said control signals to obtain a line field scan of the data field in the said orthogonal direction for read-scanning essentially the area of the data field only; and means connected to produce data signals in response to the read scan operation as carried out by operation of the plural ramp generators.
Claim 10
Dependent Claim 161 words
Apparatus for the reading of information in a particular area, comprising: first means for establishing a scanning raster by means of line and field scan respectively in two orthogonal directions and including means for rotating the scanning field to obtain different directions of line scan in the area; second means responsive to a particularly repetitive signal pattern as indication of a particularly oriented data field; third means connected to the second means to derive therefrom a plurality of control signals representing a pair of orthogonal directions directly indicating the orientation of the data field; a plurality of ramp signal generators connected to the third means to be responsive to said control signals to obtain a line field scan of the data field in the said orthogonal direction for read-scanning essentially the area of the data field only; and means connected to produce data signals in response to the read scan operation as carried out by operation of the plural ramp generators.
Claim 11
Dependent Claim 66 words
Apparatus as in claim 8, wherein the data field is identified by a plurality of differently spaced and/or differently thick lines, there being data markings on one side of the lines the particular point being located on the other side of the lines; and means for detecting said asymmetrical signal pattern during the read-scanning for controlling the production of data signals in response to said detecting.
Claim 12
Dependent Claim 82 words
Apparatus as in claim 8, wherein the data field is identified by a plurality of differently spaced and/or differently thick lines; the third means including first circuit means for detecting a first point on said line pattern; second circuit means for detecting a second point on said line pattern; and third circuit means connected to the first and second circuit means for generating difference signals representing the relative orientation of said line patterns, said difference signals being included in said control signals.
Claim 13
Dependent Claim 84 words
Apparatus as in claim 8, wherein the data field is identified by a plurality of differently spaced and/or differently thick lines extending in one of said orthogonal directions, the second means including shift register means And a coincidence circuit, the shift register receiving signal upon each detection of a signal pattern resulting from scanning across the plurality of lines, the coincidence circuit connected to monitor of presence of plural such signals in specified positions in said shift register means to recognize the line pattern.
Claim 14
Dependent Claim 68 words
Apparatus as in claim 11, the third means including first circuit means connected to be responsive to signal indications representing particular points on and along the lines, and second circuit means forming difference signals from said signal indications; and third circuit means for particularly processing said difference signals to generate signals that cause the ramp signals to scan from and to particular points relative to the data field.
Claim 15
Dependent Claim 49 words
Apparatus as in claim 8, the third means including first circuit means connected to provide signals representing particular coordinate points in the scanning field and on the data field, the third means including second circuit means forming difference signals from said coordinate representing signals to obtain the control signals.
Claim 16
Independent Claim 217 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field onto a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; providing to the data field a contrasting line pattern having plural, spaced apart lines wherein the direction of extension of the lines of the pattern have predetermined relation to the angular orientation of the track in the data field; scanning the particular area by means of a line raster scanning field for detecting repeatedly a particular signal pattern as resulting from scanning across said line pattern in adjacent scanning lines; detecting the particular signal pattern repeatedly and generating signal representation indicative of a plurality of points on and along the line pattern; processing said signal representation to obtain second signal representation for the generation of a scanning raster for line scanning along said track and for field scanning orthogonally thereto; generating a representation for starting scanning raster on basis of said point representation; and providing for the raster scan on basis of the second signal representation and said starting representation to obtain a data read scan and data read out of the data field.
Claim 17
Independent Claim 217 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field onto a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; providing to the data field a contrasting line pattern having plural, spaced apart lines wherein the direction of extension of the lines of the pattern have predetermined relation to the angular orientation of the track in the data field; scanning the particular area by means of a line raster scanning field for detecting repeatedly a particular signal pattern as resulting from scanning across said line pattern in adjacent scanning lines; detecting the particular signal pattern repeatedly and generating signal representation indicative of a plurality of points on and along the line pattern; processing said signal representation to obtain second signal representation for the generation of a scanning raster for line scanning along said track and for field scanning orthogonally thereto; generating a representation for starting scanning raster on basis of said point representation; and providing for the raster scan on basis of the second signal representation and said starting representation to obtain a data read scan and data read out of the data field.
Claim 18
Dependent Claim 29 words
The method as in claim 14, wherein the scanning of the particular size is carried out by several raster scanning fields in which the raster lines have different directions.
Claim 19
Dependent Claim 26 words
The method as in claim 14, and including the step of providing a second line pattern in a particular angular orientation to the first line pattern.
Claim 20
Dependent Claim 27 words
The method as in claim 16, the first and second line patterns have different orientation and differ in line thickness and/or line spacing and/or number of lines.
Claim 21
Dependent Claim 30 words
The method as in claim 17, wherein first or second signal patterns are detected depicting scanning across the first or the second line pattern, and wherein the subsequent operations differ.
Claim 22
Dependent Claim 25 words
The method as in claim 18, wherein the second line pattern is detected for verifying subsequently retrieved information as data during said data read scan.
Claim 23
Dependent Claim 53 words
The method as in claim 18, wherein the second signal pattern when detected repeatedly is used to generate representaion of a second plurality of points along the second pattern, the processing step proceeding in the alternative for providing said second signal representation on basis of the representaion of the second plurality of points.
Claim 24
Dependent Claim 33 words
The method as in claim 12, wherein the first line pattern is placed along the data track, the second line pattern is placed transverse thereto and at one end of the data track.
Claim 25
Dependent Claim 20 words
The method as in claim 12 wherein line thickness and/or line spacing of at least one Said patterns is asymmetric.
Claim 26
Dependent Claim 49 words
The method as in claim 14, wherein the line pattern is asymmetric in line spacing and/or line thickness and the detecting step includes detection of the asymmetry of the line pattern on basis of the direction of scanning, the starting representation being generated on basis of the directional distinction.
Claim 27
Dependent Claim 28 words
The method as in claim 14, wherein the detecting step includes detection of an extended signal pattern upon scanning across said line pattern at a relatively shallow angle.
Claim 28
Dependent Claim 188 words
Apparatus for the reading of information in a particular area, comprising first means for establishing a scanning raster by means of line and field scan respectively in two orthogonal directions, wherein each line is established by progressing phases of a scanning spot; second means responsive to a particular signal pattern when occurring during scanning by means of said raster; third means connected to establish signal representation of the relative phase of scanning as progressing along a scanning line and separately for sequential ones of the scanning lines; fourth means connected to the second and third means and responsive to repeated detection of the particular signal pattern by the second means in sequential scanning lines and within a particular phase range for some of said latter scanning lines, the phase range being determined in relation to the phase of detection of the particular signal pattern as determined by the third means and for a first-one-in-time of said sequential scanning lines; and fifth means connected to obtain read out of the data field in dependence upon successful repeated detection of said particular signal pattern by the second and third means.
Claim 29
Dependent Claim 188 words
Apparatus for the reading of information in a particular area, comprising first means for establishing a scanning raster by means of line and field scan respectively in two orthogonal directions, wherein each line is established by progressing phases of a scanning spot; second means responsive to a particular signal pattern when occurring during scanning by means of said raster; third means connected to establish signal representation of the relative phase of scanning as progressing along a scanning line and separately for sequential ones of the scanning lines; fourth means connected to the second and third means and responsive to repeated detection of the particular signal pattern by the second means in sequential scanning lines and within a particular phase range for some of said latter scanning lines, the phase range being determined in relation to the phase of detection of the particular signal pattern as determined by the third means and for a first-one-in-time of said sequential scanning lines; and fifth means connected to obtain read out of the data field in dependence upon successful repeated detection of said particular signal pattern by the second and third means.
Claim 30
Dependent Claim 77 words
Apparatus as in claim 25, wherein the fifth means includes first circuit means connected to the fourth means for generating control signals representing the direction of extension of the lines of the line pattern as detected; and second circuit means connected to operate in repsonse to the control signal for generating a data reading scan with scanning lines extending in a particular direction in relation to the direction of extension of the lines of the line pattern.
Claim 31
Dependent Claim 64 words
Apparatus as in claim 25, wherein the scanning lines of a data reading scan are controlled to extend transversely to the direction of extention of the lines of the line pattern as determined by the first circuit means, and circuit means connected to render data reading dependent upon additional detection of the particular signal pattern during a scanning line of the data reading scan.
Claim 32
Independent Claim 211 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field on a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; providing to the data field a contrasting line pattern identifying location and orientation of the track in the data field, the pattern including plural lines extending transversely to the said track and being spaced in a direction parallel to the said track; line scanning the particular area in a scanning field for detecting repeatedly a particular signal pattern as resulting from line scanning the particular area when containing a data field with line pattern therein, and when line scanned transverse to said lines and within an angular range about the said direction parallel to said track; determining the data field position and orientation as a result of said line scanning when detecting repeatedly said particular signal pattern; and providing a unique data field scanning pattern on the basis of said position and orientation determination for causing said data track to be scanned repeatedly in the direction of its extension for reading the data contained in the data field.
Claim 33
Independent Claim 211 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field on a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; providing to the data field a contrasting line pattern identifying location and orientation of the track in the data field, the pattern including plural lines extending transversely to the said track and being spaced in a direction parallel to the said track; line scanning the particular area in a scanning field for detecting repeatedly a particular signal pattern as resulting from line scanning the particular area when containing a data field with line pattern therein, and when line scanned transverse to said lines and within an angular range about the said direction parallel to said track; determining the data field position and orientation as a result of said line scanning when detecting repeatedly said particular signal pattern; and providing a unique data field scanning pattern on the basis of said position and orientation determination for causing said data track to be scanned repeatedly in the direction of its extension for reading the data contained in the data field.
Claim 34
Dependent Claim 39 words
The method as in claim 28, and including detecting the Particular signal pattern repeatedly during scanning by means of said unique scanning pattern, to control the reading of the data in dependence upon the detection of said signal pattern.
Claim 35
Dependent Claim 26 words
The method as in claim 28, and wherein the data markings are being placed to one said line pattern and extend therefrom along the said track.
Claim 36
Dependent Claim 43 words
The method as in claim 30, the determining step including determining a starting point for said unique scanning pattern, so that the starting point is located at the opposite side of said line pattern in relation to the disposition of the data markings.
Claim 37
Independent Claim 219 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field onto a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; Providing to the data field a contrasting line pattern having plural, spaced apart lines, wherein the direction of extension of the lines of the pattern have determined relation to the angular orientation of the track in the data field; scanning the particular area by means of a line raster scanning field for detecting repeatedly a particular signal pattern as resulting from scanning across said line pattern in adjacent scanning lines; detecting the particular signal pattern repeatedly and generating signal representation indicative of a plurality of points on and along the line pattern; processing said signal representation to obtain second signal representation for the generation of a scanning raster for line scanning along said track and for field scanning orthogonally thereto; generating a representation for starting the scanning raster on basis of said point representation; and providing for the raster scan on the basis of the second signal representation and said starting representation to obtain a data read scan and data read out of the data field.
Claim 38
Independent Claim 219 words
The method of identifying objects by means of data information, which objects may appear in random position and orientation and at random times in a particular area, comprising: providing a data field onto a surface of the objects which data field is comprised of contrasting data markings arranged in at least one track; Providing to the data field a contrasting line pattern having plural, spaced apart lines, wherein the direction of extension of the lines of the pattern have determined relation to the angular orientation of the track in the data field; scanning the particular area by means of a line raster scanning field for detecting repeatedly a particular signal pattern as resulting from scanning across said line pattern in adjacent scanning lines; detecting the particular signal pattern repeatedly and generating signal representation indicative of a plurality of points on and along the line pattern; processing said signal representation to obtain second signal representation for the generation of a scanning raster for line scanning along said track and for field scanning orthogonally thereto; generating a representation for starting the scanning raster on basis of said point representation; and providing for the raster scan on the basis of the second signal representation and said starting representation to obtain a data read scan and data read out of the data field.

References Cited (Backward Citations)

US3713099A Cited
US3713099B1 Cited
US3693154A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-11 1978-05-13 1978-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-11 1982-05-13 1982-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-11 1986-05-13 1986-11-12 $7700.00 Window Closed / Lapsed

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