CA1134791A - Growth calculator - Google Patents
Growth calculatorInfo
- Publication number
- CA1134791A CA1134791A CA000323979A CA323979A CA1134791A CA 1134791 A CA1134791 A CA 1134791A CA 000323979 A CA000323979 A CA 000323979A CA 323979 A CA323979 A CA 323979A CA 1134791 A CA1134791 A CA 1134791A
- Authority
- CA
- Canada
- Prior art keywords
- members
- age
- graduations
- juxtaposed
- scales
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
- G06G1/06—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with rectilinear scales, e.g. slide rule
- G06G1/065—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with rectilinear scales, e.g. slide rule construction of the cursor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/0005—Hand manipulated computing devices characterised by a specific application
- G06G1/001—Hand manipulated computing devices characterised by a specific application for medical purposes, for biological purposes
Abstract
ABSTRACT
GROWTH CALCULATOR
A calculator or slide rule form provides data concerning child growth, two relatively movable members of the calculator having scales respectively representing age and a growth parameter, and these members also respectively bearing at least one index and a set of graduations representing proportionate data involving said parameter. Setting of the members to juxtapose the age and parameter value on the scales for a given child causes the related index to show from the graduations a proportionate valuation of the value relative to an appropriate child population. The parameter can be height or weight, and in a preferred form the calculator has a base member co-operable with two further members to provide height and weight data, while the further members co-operate to provide height-for-weight data. Normally there will be separate scales to provide data for boys and girls.
GROWTH CALCULATOR
A calculator or slide rule form provides data concerning child growth, two relatively movable members of the calculator having scales respectively representing age and a growth parameter, and these members also respectively bearing at least one index and a set of graduations representing proportionate data involving said parameter. Setting of the members to juxtapose the age and parameter value on the scales for a given child causes the related index to show from the graduations a proportionate valuation of the value relative to an appropriate child population. The parameter can be height or weight, and in a preferred form the calculator has a base member co-operable with two further members to provide height and weight data, while the further members co-operate to provide height-for-weight data. Normally there will be separate scales to provide data for boys and girls.
Description
113479~
This invention concerns growth calculators and more particularly calculators for assessing the growth of a child relative to a particular child population.
Child growth is usually assessed by reference to a growth standard in the form of a set of tables relating the heights and weights of children of different sexes at different ages from birth to adulthood, the tabulated data being derived from a statistical survey of a particular population of interest. For example there is a so-called Tanner growth standard in current use in the United Kingdom which standard was derived from Social Class 3 English Children in the early 1960's and sets out different percentiles of height and weight at successive ages.
In the ~anner standard the selected percentiles are the 3rd, 10th, 25th, 50th, 75th, 90th and 97th, so that each tabulated entry denotes the height or weight exceeded by a specified percentage of boys or girls at a specified age.
Growth in respect of a specific child can also be monitored by use of a chart graphically showing selected percentiles of Z0 heigh* or weight against age from birth to maturity~ the child's height or weight being marked on the chart progressively with age.
Now it is probably well accepted that tabulated data is not the most convenient to use and, in fact, the use of such data is commonly confined to persons having a special interest 1134q91 in the data. Certainly this confined use is the case for growth standards, and also for gr-owth charts9 use of t~ese being largely confined to medical and o her persons having a special professional interest in children. Ho~ever~ it is thought that the pl-ovision of a more compactS con~eniently operab]e and generally applicab~e means for assessing child growth would stimulate wider utilisat;on part-cularly among general practitioners and parents~ with associated benefits.
~0 With this thought in mindS the present invention provides a child growth calculator comprising first and second members, said first member bearing a scale denoting age for individual children, said second member bear-ing a scale denoting a growth parameter for individual ch-ldren5 ~5 one of said members bearing graduations denoting proportionate data involving said parameter for a predeterm-ned pop-~la+-o-of children~ and the other of said members bear-ng at ]eas=
one index, said members be_ng adapted for conne^tion to allow relative movement therebetween wi+h said s_aies jux+aposedg with said graduations and index juxtaposed9 and with the two juxtaposed relationships being correlated in a predeiermined manner whereby relative movement between said members to juxtapose said scales with a selected combination of values of age and gr-owth parameter aligned at the same time juxtaposes said graduations and the associated index or indices to indicate a proportional valuation of said combination rela+ive to said population 113~79~
It will be appreciated that the proposed calculator is of slide rule form and the basic mode of use thereof is largely self-evident from this fact and the rele-ant relationship between its markings. Also, the proposed ca]culator is conveniently designed on the basis of data from an existing growth standard~ and the growth parameter denoted by the second-rnentioned sca]e will ac~ordingly be height or weight. Moreoverg since both height and weiaht are of relevance to an assessment of child growth, the proposed calculator is preferably of a multiple form to take account of both of these parameters and, in this event, one of the first and second members can serve as a base member to bear a further set of markings for co-operation with a third member. In the case of a multiple calculator taking account of both height and weight9 it is also possible to provide further graduations and associated index or indices~ respectively borne by the two of the three members other than said base member9 to indicate a proportionate indication of weight-for-height, or height-for-weightS for selected parameter values relative to the relevant population Variation is also possible in respect of the graduations and associated index or indices. In one simple form these can comprise a scale and a single index to indicate the percentage of the weight or height of the selected combination relative to the
This invention concerns growth calculators and more particularly calculators for assessing the growth of a child relative to a particular child population.
Child growth is usually assessed by reference to a growth standard in the form of a set of tables relating the heights and weights of children of different sexes at different ages from birth to adulthood, the tabulated data being derived from a statistical survey of a particular population of interest. For example there is a so-called Tanner growth standard in current use in the United Kingdom which standard was derived from Social Class 3 English Children in the early 1960's and sets out different percentiles of height and weight at successive ages.
In the ~anner standard the selected percentiles are the 3rd, 10th, 25th, 50th, 75th, 90th and 97th, so that each tabulated entry denotes the height or weight exceeded by a specified percentage of boys or girls at a specified age.
Growth in respect of a specific child can also be monitored by use of a chart graphically showing selected percentiles of Z0 heigh* or weight against age from birth to maturity~ the child's height or weight being marked on the chart progressively with age.
Now it is probably well accepted that tabulated data is not the most convenient to use and, in fact, the use of such data is commonly confined to persons having a special interest 1134q91 in the data. Certainly this confined use is the case for growth standards, and also for gr-owth charts9 use of t~ese being largely confined to medical and o her persons having a special professional interest in children. Ho~ever~ it is thought that the pl-ovision of a more compactS con~eniently operab]e and generally applicab~e means for assessing child growth would stimulate wider utilisat;on part-cularly among general practitioners and parents~ with associated benefits.
~0 With this thought in mindS the present invention provides a child growth calculator comprising first and second members, said first member bearing a scale denoting age for individual children, said second member bear-ing a scale denoting a growth parameter for individual ch-ldren5 ~5 one of said members bearing graduations denoting proportionate data involving said parameter for a predeterm-ned pop-~la+-o-of children~ and the other of said members bear-ng at ]eas=
one index, said members be_ng adapted for conne^tion to allow relative movement therebetween wi+h said s_aies jux+aposedg with said graduations and index juxtaposed9 and with the two juxtaposed relationships being correlated in a predeiermined manner whereby relative movement between said members to juxtapose said scales with a selected combination of values of age and gr-owth parameter aligned at the same time juxtaposes said graduations and the associated index or indices to indicate a proportional valuation of said combination rela+ive to said population 113~79~
It will be appreciated that the proposed calculator is of slide rule form and the basic mode of use thereof is largely self-evident from this fact and the rele-ant relationship between its markings. Also, the proposed ca]culator is conveniently designed on the basis of data from an existing growth standard~ and the growth parameter denoted by the second-rnentioned sca]e will ac~ordingly be height or weight. Moreoverg since both height and weiaht are of relevance to an assessment of child growth, the proposed calculator is preferably of a multiple form to take account of both of these parameters and, in this event, one of the first and second members can serve as a base member to bear a further set of markings for co-operation with a third member. In the case of a multiple calculator taking account of both height and weight9 it is also possible to provide further graduations and associated index or indices~ respectively borne by the two of the three members other than said base member9 to indicate a proportionate indication of weight-for-height, or height-for-weightS for selected parameter values relative to the relevant population Variation is also possible in respect of the graduations and associated index or indices. In one simple form these can comprise a scale and a single index to indicate the percentage of the weight or height of the selected combination relative to the
2~ average value for the relevant population. ~n an alternative -- 113479~ , form the graduations comprise a series of graphical traces representing successive preselected percentiles, which traces co-operate with a plurality of indices in the form of a scale representing age, with the age of a selected combination indicating on which percentile~ or between which successive percentiles, the relevant height or weight lies.
Both of the two forms just described can be employed on a common pair of members.
It will also be understood that child growth standards commonly provide data specific to sex and the same will be true of the presently proposed calculator. However, it is possible to provide data for both boys and girls on the same calculator by the provision of a further growth parameter or age scale on one of the first and second scales with the "duplicated" scales respectively denoting data for the different sexes. Such ~duplication'~ also applies to the graphical traces5 and these are suitably distinguished as to sex by colour coding~
In order that the invention may be more fully understood the same will now be described5 by way of example. with reference to one embodiment thereof based on the Tanner growth standard and illustrated in the accompanying drawings, in which.-Figures 1, 2 and 3 are front views of the calculatorand two members thereof, respectively, and Figures ~, 5 and 6 are corresponding rear views of the calculator and s~ch members.
~134791 The illustrated calculator comprises three members 10, 11 and 12, of which the first is a base or frame member of longitudinally-hollowed rectangular envelope form within which the second and third members are independently slidably received in edge-to-edge disposition. The member 11 is respectively above and below member 12 in Figures 1 and ~.
The member 10 has two rectangular windows 13 and 14 extending longitudinally in its front, which windows are respectively located over the central portions of the members 11 and 12.
Adjacent each longitudinal edge of each window 13 and 14, the ~ember 10 bears a respective scale representing age, these scales being successively denoted 15, 16, 17 and 18 from top to bottom in Figure 1. Scales 15 and 17 represent ages for boys, and scales 16 and 18 represent ages for girls.
The front face of member 11 bears a scale 19 exposed by window 13 and juxtaposed to the scales 15 and 16, and the front face of member 12 bears a scale 20 similarly related to the window 14 and the scales 17 and 18, the scales 19 and 20 respectively representing height and weight. It will be appreciated that the scales 19 and 20 can extend laterally across their members to a width not less than that of the respective windows, or they can, as shown, be duplicated adjacent the longitudiral edges of their members.
1~34 791 The member 10 has two further rectangular windows 21 22 in its rear, these windows being respectively located above the members 11 and ~2. The member 10 bears an index 23 adjacent a longitudinal edge of the window 21, and another index 24 similarly ]ocated adjacent window 22. The rear face of member 11 bears a scale 25 exposed by window 21 and juxtaposed to the index 23, and the rear face of member 12 bears a scale 26 similarly located relative to the window 22 and index 24, the scales 25 and 26 respectively representing percentage height-for-age and percentage weight-for-age.
In use of the calculator as so far described in relation to a child of known sex, age,.height and weight,.
the member 11 is slid within member 10 to align the relevant height on scale 19 with the relevant age on scale 15 or 16, and the member 12 is similarly slid to align the relevant weight on scale 20 with the rele~ant age vn scale 17 or lo. The calculator is then turned over and the indices 23 and 24 respectively indicate the percentages height-for-age and weight-for-age relative to the relevant child population on which the calculator is based.
Additional data is also available from the rear of the calculator by way of two rectangular windows 27 and 28 provided in the member for respective location above members 11 and 12. These windows extend with their longitudinal dimensions transverse to those of the members, and the member 10 bears a \
~13479~
respective scale 29 and 30 adjacent a longitudinal edge of the windows 27 and 28. The rear faces of the members 11 and 12 each bear a respective pairs of series of graphical traces 31, 32 and 33, 3~
representing selected percenti~es of the relevant male and female child population. T}-e traces 31 and 32, and 33 and 34, are similarly distinguished by colour coding, this being denoted in the accompanying drawings by use of solid lines and dotted lines. When the calculator members are aligned as described above, the age of interest on the scales 29 and 30 respectively indicates by reference to the traces 31 or 32, and 33 or 3~, which percentile or percentiles the height and weight of interest lie on or between.
Further data relating the height and weight of interest is also available from the front of the calculator.
For this purpose yet another rectangular window 35 is provided extending longitudinally along the member 10, this window being located over the adjacent edges of the members 11 and 12. One of these last two members, in this instance 11, bears an index 36 adjacent to the edge in ~uestion, and the other member 12, bears a scale 37 along its exposed edge which scale represents percentage weight-for-height. Again then, alignment of given weight, height and age~ as described above, provides an indication by way of the index 36 and scale 37 of the percentage weight-for-height relative to the re]evant population~
While the invention has been described with particular reference to the illustrated embodimerlt. t will be appreciated that variation is possible within the scope of the invention as described more generally in the foregoing introductory passages. In particu]ar the locations of associated pairs of scales, and graduation and indices, can be interchanged. Also, not all of the data given by the illustrated calcul.ator may be required. Alternatively9 the data can be amplified by the provision of graphical traces and an associated scale between members 11 and 12 to indicate percentile weight-for-heightS for e~ample. Another variation can involve the provi.sion of parameter value sca~es in different units of measurey such as lmperial and Metric.
Both of the two forms just described can be employed on a common pair of members.
It will also be understood that child growth standards commonly provide data specific to sex and the same will be true of the presently proposed calculator. However, it is possible to provide data for both boys and girls on the same calculator by the provision of a further growth parameter or age scale on one of the first and second scales with the "duplicated" scales respectively denoting data for the different sexes. Such ~duplication'~ also applies to the graphical traces5 and these are suitably distinguished as to sex by colour coding~
In order that the invention may be more fully understood the same will now be described5 by way of example. with reference to one embodiment thereof based on the Tanner growth standard and illustrated in the accompanying drawings, in which.-Figures 1, 2 and 3 are front views of the calculatorand two members thereof, respectively, and Figures ~, 5 and 6 are corresponding rear views of the calculator and s~ch members.
~134791 The illustrated calculator comprises three members 10, 11 and 12, of which the first is a base or frame member of longitudinally-hollowed rectangular envelope form within which the second and third members are independently slidably received in edge-to-edge disposition. The member 11 is respectively above and below member 12 in Figures 1 and ~.
The member 10 has two rectangular windows 13 and 14 extending longitudinally in its front, which windows are respectively located over the central portions of the members 11 and 12.
Adjacent each longitudinal edge of each window 13 and 14, the ~ember 10 bears a respective scale representing age, these scales being successively denoted 15, 16, 17 and 18 from top to bottom in Figure 1. Scales 15 and 17 represent ages for boys, and scales 16 and 18 represent ages for girls.
The front face of member 11 bears a scale 19 exposed by window 13 and juxtaposed to the scales 15 and 16, and the front face of member 12 bears a scale 20 similarly related to the window 14 and the scales 17 and 18, the scales 19 and 20 respectively representing height and weight. It will be appreciated that the scales 19 and 20 can extend laterally across their members to a width not less than that of the respective windows, or they can, as shown, be duplicated adjacent the longitudiral edges of their members.
1~34 791 The member 10 has two further rectangular windows 21 22 in its rear, these windows being respectively located above the members 11 and ~2. The member 10 bears an index 23 adjacent a longitudinal edge of the window 21, and another index 24 similarly ]ocated adjacent window 22. The rear face of member 11 bears a scale 25 exposed by window 21 and juxtaposed to the index 23, and the rear face of member 12 bears a scale 26 similarly located relative to the window 22 and index 24, the scales 25 and 26 respectively representing percentage height-for-age and percentage weight-for-age.
In use of the calculator as so far described in relation to a child of known sex, age,.height and weight,.
the member 11 is slid within member 10 to align the relevant height on scale 19 with the relevant age on scale 15 or 16, and the member 12 is similarly slid to align the relevant weight on scale 20 with the rele~ant age vn scale 17 or lo. The calculator is then turned over and the indices 23 and 24 respectively indicate the percentages height-for-age and weight-for-age relative to the relevant child population on which the calculator is based.
Additional data is also available from the rear of the calculator by way of two rectangular windows 27 and 28 provided in the member for respective location above members 11 and 12. These windows extend with their longitudinal dimensions transverse to those of the members, and the member 10 bears a \
~13479~
respective scale 29 and 30 adjacent a longitudinal edge of the windows 27 and 28. The rear faces of the members 11 and 12 each bear a respective pairs of series of graphical traces 31, 32 and 33, 3~
representing selected percenti~es of the relevant male and female child population. T}-e traces 31 and 32, and 33 and 34, are similarly distinguished by colour coding, this being denoted in the accompanying drawings by use of solid lines and dotted lines. When the calculator members are aligned as described above, the age of interest on the scales 29 and 30 respectively indicates by reference to the traces 31 or 32, and 33 or 3~, which percentile or percentiles the height and weight of interest lie on or between.
Further data relating the height and weight of interest is also available from the front of the calculator.
For this purpose yet another rectangular window 35 is provided extending longitudinally along the member 10, this window being located over the adjacent edges of the members 11 and 12. One of these last two members, in this instance 11, bears an index 36 adjacent to the edge in ~uestion, and the other member 12, bears a scale 37 along its exposed edge which scale represents percentage weight-for-height. Again then, alignment of given weight, height and age~ as described above, provides an indication by way of the index 36 and scale 37 of the percentage weight-for-height relative to the re]evant population~
While the invention has been described with particular reference to the illustrated embodimerlt. t will be appreciated that variation is possible within the scope of the invention as described more generally in the foregoing introductory passages. In particu]ar the locations of associated pairs of scales, and graduation and indices, can be interchanged. Also, not all of the data given by the illustrated calcul.ator may be required. Alternatively9 the data can be amplified by the provision of graphical traces and an associated scale between members 11 and 12 to indicate percentile weight-for-heightS for e~ample. Another variation can involve the provi.sion of parameter value sca~es in different units of measurey such as lmperial and Metric.
Claims (13)
1. A child growth calculator comprising first and second members, said first member bearing a scale denoting age for individual children, said second member bearing a scale denoting a growth parameter for individual children, one of said members bearing graduations denoting proportionate data involving said parameter for a predetermined population of children, and the other of said members bearing at least one index, said members being connected to allow relative movement therebetween with said scales juxtaposed, with said graduations and index juxtaposed, and with the two juxtaposed relationships being correlated in a predetermined manner whereby relative movement between said members to juxtapose said scales with a selected combination of values of age and growth parameter aligned at the same time juxtaposes said graduations and the associated index or indices to indicate a proportionate valuation of said combination relative to said population.
2. A calculator according to Claim 1 wherein said members are of elongate form adapted for connection in mutually longitudinally sliding relationship.
3. A calculator according to Claim 1 wherein said parameter is height or weight.
4. A calculator according to Claim 1 wherein said graduations and associated index or indices comprise a scale and a single index to indicate thereon the percentage which the respective selected parameter valve represents relative to the average value for said population.
5. A calculator according to Claim 1 wherein said graduations and associated index or indices comprise a series of graphical traces representing successive preselected percentiles and a plurality of indices in the form of a scale denoting age, the selected age value on the last-mentioned scale indicating by way of said traces, on which percentile, or between which two successive percentiles, the parameter value of such combination lies.
6. A calculator according to Claim 1 comprising a third member, and wherein one of said first and second members serves as a base member connected with each of the other two members for independent relative movement therebetween, said base and third members bearing a second set of scales, graduations, and at least one index, juxtaposed and correlated in similar manner to the first-mentioned such set of said first and second members but relating age with a further child growth parameter.
7. A calculator according to Claim 6 wherein said two members respectively bear third graduations and at least one third index in juxtaposed and correlated relationship during movement of said two members to indicate a proportionate valuation between selected values of both said parameters related to a common age.
8. A calculator according to Claim 7 wherein said parameters are height and weight, and said third graduations and associated index or indices indicate the percentage weight-for-height which the respective selected values of weight and height represent relative to the average value at the related selected age in said population.
9. A calculator according to Claim 1 wherein some of said scales, graduations and indices of each of the sets thereof are borne in two forms by the relevant member, such two forms being respectively differentiated to denote relevance to male and female children.
10. A child growth calculator comprising first and second members, said first member bearing two mutually different first scales respectively marked to denote values of age for male and female children, said second member bearing a second scale marked to denote values of a growth parameter for individual children, one of said members bearing a first set of graduations marked to denote proportionate values involving said parameter for a predetermined real population of children, and the other of said members bearing a first index, said members being connected to allow relative movement therebetween with said first scales each juxtaposed with said second scale, with said first set of graduations and said first index juxtaposed, and with these juxtaposed relationships being correlated in a predetermined manner whereby relative movement between said members to juxtapose either one of said first scales with said second scale to align a selected combination of values of age and growth parameter at the same time juxtaposes said graduations and said index to indicate a proportionate valuation of said combination relative to said population.
11. A child growth calculator comprising first and second members, said first member bearing a first scale marked to denote values of age for individual children, said second member bearing a second scale marked to denote values of a growth parameter for individual children, one of said members bearing two mutually different first sets of graduations marked to denote respectively different proportionate values involving said parameter for a predetermined real population of children, and the other of said members bearing two mutually different first sets of indices, said members being connected to allow relative movement there-between with said first scale juxtaposed with said second scale, with said first sets of graduations respectively juxtaposed with said first sets of indices, and with these juxtaposed relationships being correlated in a predetermined manner whereby relative movement between said members to juxtapose said first and second scales to align a selected combination of values of age and growth parameter at the same time juxtaposes each of said first sets of indices with the respective ones of said first sets of graduations to indicate different proportionate valuations of said combination relative to said population.
12. A child growth calculator comprising first and second members, said first member bearing a first scale marked to denote values of age for individual children, said second member marked to denote values of a growth parameter for individual children, one of said members bearing a first set of graduations in the form of mutually distinctive graphical traces formed to represent successive preselected percentiles of a predetermined real population of children, and the other of said members bearing a first set of indices marked to denote values of age, said members being connected to allow relative movement therebetween with said first and second scales juxtaposed, with said traces and indices juxtaposed, and with these juxtaposed relationships being correlated in a predetermined manner whereby relative movement between said members to juxtapose said first and second scales to align a selected combination of values of age and growth parameter at the same time juxtaposes said indices and traces to indicate a proportionate valuation of said combination relative to said population by reference to said index denoting said selected age value and the nearest thereto of said traces.
13. A child growth calculator comprising first and second members, said first member bearing two mutually different first scales respectively marked to denote values of age for male and female children, said second member bearing a second scale marked to denote values of a growth parameter for individual children, one of said members bearing similar, but mutually distinctive first sets of varying graphical traces, said sets of traces being marked to denote the same successive preselected percentiles of respectively male and female children in a common predetermined real population, and said sets of traces being borne on said one member in overlaid manner, and the other of said members bearing a set of indices marked to denote values of age, said members being connected to allow relative movement therebetween with said first and second scales juxtaposed, with said traces and indices juxtaposed, and with these juxtaposed relationships being correlated in a predetermined manner whereby relative movement between said members to juxtapose either one of said first scales with said second scale to align a selected combination of values of age and growth parameter at the same time juxtaposes the respective one of said sets of traces with said set of indices to indicate a proportionate valuation of said combination relative to said population by reference to said index denoting said selected age value and the nearest thereto of said respective traces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB11421/78 | 1978-03-22 | ||
| GB11421/78A GB1557544A (en) | 1978-03-22 | 1978-03-22 | Growth calculator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1134791A true CA1134791A (en) | 1982-11-02 |
Family
ID=9985917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000323979A Expired CA1134791A (en) | 1978-03-22 | 1979-03-22 | Growth calculator |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1134791A (en) |
| DE (1) | DE2910192A1 (en) |
| GB (1) | GB1557544A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003032235A1 (en) * | 2001-10-10 | 2003-04-17 | Best Practice Advocacy Centre Incorporated | Calculator device |
| EP1947589A1 (en) * | 2007-01-18 | 2008-07-23 | Nederlandse Organisatie voor Toegepast-Natuuurwetenschappelijk Onderzoek TNO | Age-dependent relative weight indications |
| CN112545493B (en) * | 2020-12-04 | 2023-02-03 | 石家庄喜高科技有限责任公司 | Height evaluation method and terminal equipment |
-
1978
- 1978-03-22 GB GB11421/78A patent/GB1557544A/en not_active Expired
-
1979
- 1979-03-15 DE DE19792910192 patent/DE2910192A1/en not_active Withdrawn
- 1979-03-22 CA CA000323979A patent/CA1134791A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1557544A (en) | 1979-12-12 |
| DE2910192A1 (en) | 1979-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |