Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
262 words
In a portable electronic device for the display of reference information, said device having a digital data storage means containing said reference information, a keyboard having a plurality of keys, control means and display means, said keyboard, said digital data storage means and said display means being electrically connected to said control means, wherein said control means senses keys pushed and in response thereto retrieves a portion of said reference information from said digital data storage means and displays said portion of said reference information on said display means, said reference information being categorized into subsets and sub-areas of subsets, each subset having an index indicating the sub-areas of each subset, the improvement comprising: at least one of said keys only operates to select display of the index of a particular subset of the reference information and has proximate indicia corresponding to the particular subset, said index further indicating by specific reference to specific indicia the keys to push to select the sub-areas; at least another one of said keys operates to select display of a desired sub-area of the particular subset as indicated by the index and having proximate specific indicia corresponding to said index; and a start-and-stop key, wherein if said index or sub-area is larger than a page of the display means, said control means causes said display means to display a succession of page-sized parts of said index or sub-area, each part being displayed for a fixed delay time unless said start-and-stop key is pressed and said succession of parts continuing if said start-and-stop key is pressed again.
Claim 2
Dependent Claim
262 words
In a portable electronic device for the display of reference information, said device having a digital data storage means containing said reference information, a keyboard having a plurality of keys, control means and display means, said keyboard, said digital data storage means and said display means being electrically connected to said control means, wherein said control means senses keys pushed and in response thereto retrieves a portion of said reference information from said digital data storage means and displays said portion of said reference information on said display means, said reference information being categorized into subsets and sub-areas of subsets, each subset having an index indicating the sub-areas of each subset, the improvement comprising: at least one of said keys only operates to select display of the index of a particular subset of the reference information and has proximate indicia corresponding to the particular subset, said index further indicating by specific reference to specific indicia the keys to push to select the sub-areas; at least another one of said keys operates to select display of a desired sub-area of the particular subset as indicated by the index and having proximate specific indicia corresponding to said index; and a start-and-stop key, wherein if said index or sub-area is larger than a page of the display means, said control means causes said display means to display a succession of page-sized parts of said index or sub-area, each part being displayed for a fixed delay time unless said start-and-stop key is pressed and said succession of parts continuing if said start-and-stop key is pressed again.
Claim 3
Dependent Claim
86 words
An electronic device for the display of welding and cutting reference information, said device comprising: a digital storage means containing said welding and cutting reference information; a keyboard having a plurality of keys, at least one of said keys corresponding to a particular subset of said welding and cutting reference information; display means; and control means, said control means being electrically connected to said storage means, keyboard and display means, whereby the particular subset may be displayed in response to pressing the at least one key.
Claim 4
Dependent Claim
86 words
An electronic device for the display of welding and cutting reference information, said device comprising: a digital storage means containing said welding and cutting reference information; a keyboard having a plurality of keys, at least one of said keys corresponding to a particular subset of said welding and cutting reference information; display means; and control means, said control means being electrically connected to said storage means, keyboard and display means, whereby the particular subset may be displayed in response to pressing the at least one key.
Claim 5
Dependent Claim
15 words
A device as in claim 2, wherein said digital storage means is read only memory.
Claim 6
Dependent Claim
15 words
A device as in claim 2, wherein said display means is a liquid crystal display.
Claim 7
Dependent Claim
13 words
A device as in claim 2, wherein said control means comprises a microprocessor.
Claim 8
Dependent Claim
32 words
A device as in claim 2, wherein said at least one of said keys has proximate indicia having the characteristic of at least one of representing, describing and suggesting the particular subset.
Claim 9
Dependent Claim
72 words
A device as in claim 2, wherein the digital data storage means also contains an index for each subset indicating a plurality of sub-areas of the subsets the keyboard has an at least one key for each sub-area, the index of the particular subset is displayed in response to pressing the at least one said key and the desired sub-area is displayed in response to pressing the at least one associated key.
Claim 10
Dependent Claim
33 words
A device as in claim 2, further comprising calculator means, whereby a number displayed as part of a subset may be used in calculations to solve a user's particular welding and cutting problem.
Claim 11
Independent Claim
262 words
A method for a user to select reference information to be displayed by a portable electronic device, said device having a digital data storage means containing said reference information, a keyboard having a plurality of keys, control means and display means, said keyboard, said digital data storage means and said display means being electrically connected to said control means, wherein said control means senses keys pushed and in response thereto retrieves a portion of said reference information from said digital data means and displays said portion of said reference information on said display means, said reference information being categorized into subsets and sub-areas of subsets, each subset having an index indicating the sub-areas of each subset, the method comprising: pushing a dedicated key to select display of the index of a particular subset of the reference information, said dedicated key having proximate indicia corresponding to the particular subset and said index further indicating the keys to push to select the sub-areas; pushing at least one more key to select display of a desired sub-area of the particular subset as indicated by the index, said at least one more key having proximate indicia corresponding to said index; pushing a start-and-stop key, wherein if said index or sub-area is larger than a page of the display means, said control means causes said display means to display a succession of page-sized parts of said index or sub-area, each part being displayed for a fixed delay time unless said start-and-stop key is pressed and said succession of parts continuing if said start-and-stop key is pressed again.
Claim 12
Independent Claim
262 words
A method for a user to select reference information to be displayed by a portable electronic device, said device having a digital data storage means containing said reference information, a keyboard having a plurality of keys, control means and display means, said keyboard, said digital data storage means and said display means being electrically connected to said control means, wherein said control means senses keys pushed and in response thereto retrieves a portion of said reference information from said digital data means and displays said portion of said reference information on said display means, said reference information being categorized into subsets and sub-areas of subsets, each subset having an index indicating the sub-areas of each subset, the method comprising: pushing a dedicated key to select display of the index of a particular subset of the reference information, said dedicated key having proximate indicia corresponding to the particular subset and said index further indicating the keys to push to select the sub-areas; pushing at least one more key to select display of a desired sub-area of the particular subset as indicated by the index, said at least one more key having proximate indicia corresponding to said index; pushing a start-and-stop key, wherein if said index or sub-area is larger than a page of the display means, said control means causes said display means to display a succession of page-sized parts of said index or sub-area, each part being displayed for a fixed delay time unless said start-and-stop key is pressed and said succession of parts continuing if said start-and-stop key is pressed again.