Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
129 words
A method of designating points in a map, said method comprising the steps of: dividing said map into map sections according to a predetermined coordinate system; assigning unique indicia to said sections and to blocks of each of said sections, and assigning additional unique indicia to respective units of each of said blocks, whereby each unit is identifiable by an intrinsic code comprising a combination of the unique indicia for the section and block in which the unit is located and the unit's unique indicia, and wherein said indicia are alphanumeric characters, the indicia of at least one section having fewer significant characters than the indicia of said blocks of the sections; and designating a point within a selected section using the intrinsic code corresponding to a specific unit.
Claim 2
Independent Claim
129 words
A method of designating points in a map, said method comprising the steps of: dividing said map into map sections according to a predetermined coordinate system; assigning unique indicia to said sections and to blocks of each of said sections, and assigning additional unique indicia to respective units of each of said blocks, whereby each unit is identifiable by an intrinsic code comprising a combination of the unique indicia for the section and block in which the unit is located and the unit's unique indicia, and wherein said indicia are alphanumeric characters, the indicia of at least one section having fewer significant characters than the indicia of said blocks of the sections; and designating a point within a selected section using the intrinsic code corresponding to a specific unit.
Claim 3
Dependent Claim
14 words
The method of claim 1, wherein the sizes of said map sections are equal.
Claim 4
Dependent Claim
65 words
The method of claim 1, wherein: dividing said map into map sections produces a plurality of low-resolution portions; and wherein the dividing step further includes dividing each of said plurality of low-resolution portions into said blocks and units producing a plurality of increasingly higher resolution portions, said plurality of higher resolution portions of each of said low-resolution portions collectively constituting said plurality of map sections.
Claim 5
Dependent Claim
27 words
The method of claim 3, wherein each intrinsic code includes a first unique part and a second part duplicated in intrinsic codes for other of said units.
Claim 6
Dependent Claim
50 words
The method of claim 4, wherein: said first unique part has fewer significant digits than said first unique part in intrinsic codes for other of said units; and said second part has the said number of significant digits as said second part in intrinsic codes for other of said units.
Claim 7
Dependent Claim
29 words
The method of claim 1, wherein said indicia having fewer significant characters is established in accordance with the frequency of anticipated access to a corresponding section of said map.
Claim 8
Dependent Claim
19 words
The method of claim 1, further comprising the step of storing assignments of said indicia on a computer-readable medium.
Claim 9
Dependent Claim
31 words
The method of claim 1, wherein said step of assigning additional unique indicia includes the step of: generating said additional unique indicia as being representative of a facility within a section.
Claim 10
Dependent Claim
27 words
The method of claim 8, wherein said additional unique indicia are identical for at least two intrinsic codes representing a predetermined type of facility at different locations.
Claim 11
Dependent Claim
44 words
The method of claim 1, further comprising the steps of: assigning additional alphanumeric characters as a facility intrinsic code representative of a facility located within an area covered by said map; and designating a facility using the facility intrinsic code corresponding to said facility.
Claim 12
Dependent Claim
18 words
The method of claim 10, wherein said facility intrinsic code has fewer significant characters than said intrinsic code.
Claim 13
Dependent Claim
21 words
The method of claim 10, wherein said facility intrinsic code uses a group of characters not used in said intrinsic code.
Claim 14
Dependent Claim
34 words
The method of claim 10, further comprising the steps of: designating a point within a selected section or a facility by selectively switching to use an intrinsic code or a facility intrinsic code, respectively.
Claim 15
Dependent Claim
36 words
The method of claim 1, further comprising the steps of: displaying only a selected section of the map by using only that portion of the intrinsic code which comprises the unique indicia for the selected section.
Claim 16
Dependent Claim
46 words
The method of claim 1, further comprising the steps of: displaying only a selected block of the map by using only the portion of the intrinsic code which comprises the unique indicia for the selected block and the section in which the selected block is located.
Claim 17
Independent Claim
101 words
A method of setting a point in a navigation system, said method comprising the steps of: receiving an intrinsic code comprising unique alphanumeric indicia representative of said point, said code being selected from a plurality of said intrinsic codes wherein a first part of said indicia in said plurality of intrinsic codes has a number of significant digits which is less than a further part of the indicia in said plurality of intrinsic codes; accessing a portion of a map database based on said received intrinsic code to obtain data corresponding to said point; and using said data to perform navigation.
Claim 18
Independent Claim
101 words
A method of setting a point in a navigation system, said method comprising the steps of: receiving an intrinsic code comprising unique alphanumeric indicia representative of said point, said code being selected from a plurality of said intrinsic codes wherein a first part of said indicia in said plurality of intrinsic codes has a number of significant digits which is less than a further part of the indicia in said plurality of intrinsic codes; accessing a portion of a map database based on said received intrinsic code to obtain data corresponding to said point; and using said data to perform navigation.
Claim 19
Dependent Claim
89 words
The method of claim 16, wherein: said further part of the indicia in each of said plurality of intrinsic codes has a same number of significant digits; and said accessing step includes the steps of: selecting a first portion of said map database based on said first part of said indicia in the received intrinsic code; and selecting a second portion of said map database within said first portion of the database based on said further part of said indicia in the received intrinsic code to obtain said data.
Claim 20
Dependent Claim
33 words
The method of claim 17, wherein a portion of said further part of said indicia in the received intrinsic code corresponds to a facility represented in said first portion of said map database.
Claim 21
Dependent Claim
52 words
The method of claim 18, wherein: said portion of said further part of said indicia in the received intrinsic code is identical to a corresponding portion of said further part in said plurality of intrinsic codes; and wherein: facilities corresponding to said portions of said further parts are of a same type.
Claim 22
Dependent Claim
27 words
The method of claim 16, wherein said first parts of the indicia of said intrinsic codes represent geographical sections which are equal to one another in size.
Claim 23
Dependent Claim
48 words
The method of claim 16, wherein portions of said map database corresponding to geographic locations frequently accessed correspond to first parts of indicia in said intrinsic codes having a lower number of significant digits than first parts of indicia in intrinsic codes representing geographic locations less frequently accessed.
Claim 24
Dependent Claim
41 words
The method of claim 16, further comprising the steps of: receiving a memo notation describing said point; associating said notation with said point; inputting a description of said point on a map; and receiving said intrinsic code based on said description.
Claim 25
Dependent Claim
65 words
The method of claim 16, further comprising the steps of: receiving additional unique alphanumeric indicia as a facility intrinsic code representative of a facility located within an area covered by said map; and accessing a portion of said map database based on said received facility intrinsic code to obtain data corresponding to said facility; and using said data corresponding to the facility to perform navigation.
Claim 26
Dependent Claim
18 words
The method of claim 23, wherein said facility intrinsic code has fewer alphanumeric indicia than said intrinsic code.
Claim 27
Dependent Claim
22 words
The method of claim 23, wherein said facility intrinsic code uses a group of alphanumeric indicia not used in said intrinsic code.
Claim 28
Dependent Claim
29 words
The method of claim 23, further comprising the step of: accessing a point or a facility by selectively switching to use an intrinsic code or a facility code, respectively.
Claim 29
Independent Claim
111 words
A system for performing navigation, said system comprising: a map database; input means for receiving an intrinsic code comprising unique alphanumeric indicia representative of a point, said code being selected from a plurality of said intrinsic codes wherein a first part of said indicia in said plurality of intrinsic codes has a number of significant digits which is less than a further part of the indicia in said plurality of intrinsic codes; database accessing means for accessing a portion of said map database based on said received intrinsic code to obtain data corresponding to said point; and control means for controlling said navigation system to perform navigation based on said data.
Claim 30
Independent Claim
111 words
A system for performing navigation, said system comprising: a map database; input means for receiving an intrinsic code comprising unique alphanumeric indicia representative of a point, said code being selected from a plurality of said intrinsic codes wherein a first part of said indicia in said plurality of intrinsic codes has a number of significant digits which is less than a further part of the indicia in said plurality of intrinsic codes; database accessing means for accessing a portion of said map database based on said received intrinsic code to obtain data corresponding to said point; and control means for controlling said navigation system to perform navigation based on said data.
Claim 31
Dependent Claim
97 words
The system of claim 27, wherein: said further part of the indicia in each of said plurality of intrinsic codes has the same number of significant digits; and said database accessing means includes: first portion selecting means for selecting a first portion of said map database based on said first port of said indicia in the received intrinsic code; and second portion selecting means for selecting a second portion of said map database within said first portion of the database based on said further part of said indicia in the received intrinsic code to obtain said data.
Claim 32
Dependent Claim
33 words
The system of claim 28, wherein a portion of said further part of said indicia in the received intrinsic code corresponds to a facility represented in said first portion of said map database.
Claim 33
Dependent Claim
52 words
The system of claim 29, wherein: said portion of said further part of said indicia in the received intrinsic code is identical to a corresponding portion of said further part in said plurality of intrinsic codes; and wherein: facilities corresponding to said portions of said further parts are of a same type.
Claim 34
Dependent Claim
27 words
The system of claim 27, wherein said first parts of the indicia of said intrinsic codes represent geographical sections which are equal to one another in size.
Claim 35
Dependent Claim
48 words
The system of claim 27, wherein portions of said map database corresponding to geographic locations frequently accessed correspond to first parts of indicia in said intrinsic codes having a lower number of significant digits than first parts of indicia in intrinsic codes representing geographic locations less frequently accessed.
Claim 36
Dependent Claim
54 words
The system of claim 27, further comprising: memo receiving means for receiving a memo notation describing said point; associating means for associating said notation with said point; description inputting means for inputting a description of said point on a map; and intrinsic code receiving means for receiving said intrinsic code based on said description.
Claim 37
Dependent Claim
27 words
The system of claim 27, further comprising display means for displaying a map corresponding to said data from said map database accessed by said database accessing means.
Claim 38
Dependent Claim
77 words
The system of claim 27, wherein said input means further receives additional alphanumeric indicia as a facility intrinsic code representative of a facility located within an area covered by said map; and wherein: said database accessing means accesses a portion of said map database based on said received facility intrinsic code to obtain data corresponding to said facility; and said control means controls said navigation system to perform navigation based on the data corresponding to the facility.
Claim 39
Dependent Claim
18 words
The system of claim 35, wherein said facility intrinsic code has fewer alphanumeric indicia than said intrinsic code.
Claim 40
Dependent Claim
22 words
The system of claim 35, wherein said facility intrinsic code uses a group of alphanumeric indicia not used in said intrinsic code.
Claim 41
Dependent Claim
33 words
The system of claim 35, further comprising: switching means connected to the database accessing means for selectively accessing a portion of the map database based on the intrinsic code or the facility code.