Dual mode, dual information, document bar coding and reading system

Claim 2

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional white spaces, and wherein said integrally embedded second and finer pattern of encoded optically machine readable indicia consists of multiple dark marks positioned within said white spaces of said bar code pattern, which dark marks are much smaller than said white spaces and provide non-interference with conventional optical reading of said conventional bar code pattern with said conventional bar code reader.

Claim 3

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional dark bars, and wherein said integrally embedded second and finer pattern of encoded optically machine readable indicia consists of multiple light marks in said dark bars of said bar code pattern, which light marks are much smaller than said dark bars and provide non-interference with conventional optical reading of said conventional bar code pattern with said conventional bar code reader.

Claim 4

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional dark bars, and wherein said integrally embedded second and finer pattern of encoded optically machine readable indicia consists of multiple light marks in said dark bars of said bar code pattern, which light marks are much smaller than said dark bars and provide non-interference with conventional optical reading of said conventional bar code pattern with said conventional bar code reader.

Claim 5

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional white spaces, and wherein said integrally embedded second and finer pattern of encoded optically machine readable indicia consists of multiple color marks positioned within said white spaces of said bar code pattern, which color marks are much smaller than said white spaces and provide non-interference with conventional optical reading of said conventional bar code pattern with said conventional bar code reader.

Claim 6

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional white spaces, and wherein said integrally embedded second and finer pattern of encoded optically machine readable indicia consists of multiple color marks positioned within said white spaces of said bar code pattern, which color marks are much smaller than said white spaces and provide non-interference with conventional optical reading of said conventional bar code pattern with said conventional bar code reader.

Claim 7

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional dark bars, and wherein said integrally embedded second and finer pattern of encoded optically machine readable indicia consists of multiple colored marks overwritten on said dark bars of said bar code pattern, which colored marks are much smaller than said dark bars and provide non-interference with conventional optical reading of said conventional bar code pattern with said conventional bar code reader.

Claim 8

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional dark bars, and wherein said integrally embedded second and finer pattern of encoded optically machine readable indicia consists of multiple colored marks overwritten on said dark bars of said bar code pattern, which colored marks are much smaller than said dark bars and provide non-interference with conventional optical reading of said conventional bar code pattern with said conventional bar code reader.

Claim 9

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern m, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said integrally embedded second and finer pattern of high density indicia is grouped to form the dark bars of said conventional bar code pattern readable by said conventional bar code reader.

Claim 10

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern m, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said integrally embedded second and finer pattern of high density indicia is grouped to form the dark bars of said conventional bar code pattern readable by said conventional bar code reader.

Claim 11

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional dark bars and intervening white spaces, and wherein said integrally embedded second and finer pattern of high density indicia comprises a first pattern encoding in said dark bars and a second and different pattern encoding in said white spaces.

Claim 12

A dual encryption method for providing and obtaining a substantially increased amount of optically readable information from an otherwise conventional and highly visible bar code pattern on a document without interfering with the conventional optical reading of the conventional information in said bar code, comprising integrally embedding a second and finer pattern of encoded optically machine readable indicia within said bar code pattern, containing a higher level of information, to provide two different levels of information within a conventional bar code pattern, and scanning said bar code pattern with a conventional bar code reader to extract conventional bar coded information embedded in said bar code pattern, and also scanning said same bar code pattern with a second and different optical scanner to extract said second optically readable indicia pattern therefrom; wherein said conventional bar code pattern has conventional dark bars and intervening white spaces, and wherein said integrally embedded second and finer pattern of high density indicia comprises a first pattern encoding in said dark bars and a second and different pattern encoding in said white spaces.

Claim 13

The dual encryption method of claim 6 , wherein said first encoding for said dark bars is a glyph code pattern.