1
Donald G Chandler, Eric P Batterman, Govind Shah: Hexagonal, information encoding article, process and system. United Parcel Service of America, James A Drobile, Robert S Bramson, Raymond G Arner, October 17, 1989: US04874936 (226 worldwide citation)

The article of the invention is an optically readable label for storing encoded information, said label comprising a data energy of a multiplicity of information-encoded hexagons contiguously arranged in a honeycomb pattern, and having at least two different optical properties.


2
Chandler Donald Gordon, Batterman Eric Paul, Shah Govind: Hexagonal information encoding article, process and system.. United Parcel Service, October 11, 1989: EP0336769-A2 (3 worldwide citation)

An optically readable label (30) stores encoded information in the form of a data array of a multiplicity of information-encoded hexagons (20) contiguously arranged in a honeycomb pattern, and having at least two different optical properties (e.g. black and white). A process for encoding information ...


3
Donald G Chandler, Eric P Batterman, Govind Shah: Hexagonal information encoding article process and system. United Parcel Service Of America, CHENG TIANZHENG WU ZENGYONG, February 14, 1990: CN89102222

An optically readable label (30) for storing encoded information comprises a data array of a multiplicity of information-encoded polygons (20) arranged in a predetermined geometric pattern, polygons (20) having at least two different optical properties. A process for encoding information in the opti ...