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US 3,937,928 AGranted
Embossed card reader
AssigneeSharp Kabushiki Kaisha
InventorsTakehiko Sasaki, Keizo Yamamoto, Hiroaki Fukuda
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AssigneeSharp Kabushiki Kaisha
InventorsTakehiko Sasaki, Keizo Yamamoto, Hiroaki Fukuda
Estimating the term…
An information reader for optically reading information recorded in the form of an array of aligned embossments on a card, comprising a slit plate positioned over a card transport table having two slits, one for directing incident light toward the embossed card and the other for leading to a light-sensitive element series light which has passed past the first named slit and then reflected from a planar surface or raised surface of the embossed card. While the information containing card causes reciprocating motion on the card transport table at a fixed rate, light passed past the last named slit is detected in a storage mode by sequentially scanning the multiple light-sensitive elements so that pattern recognition for the recorded information is carried out by measuring the detection light.
An embossed card reader comprising a table for providing support for an embossed card to be read, means for transporting the embossed card along the table, a slit plate disposed over said table, said slit plate being provided with an incident light slit and a reflection light slit, a source of light for irradiating the surface of the embossed card through the incident light slit of the slit plate to produce a parallel light beam, and light-responsive means for detecting light reflected from the surface of the embossed card and passed through the reflection light slit of the slit plate, said parallel light beam enabling the simple and accurate reading of information contained on the embossed card.
An optical reading head for reading information contained in a record medium comprising a slit plate having an incident light slit and a reflective light slit, a source of light for irradiating the record medium through the incident light slit to produce a parallel light beam and read-out cells for responding to light reflected on the record medium and passed through the reflective light slit, said parallel light beam enabling the simple and accurate reading of information on the record medium.
An embossed card reader comprising a table for supporting an embossed card, a driving mechanism for transporting the embossed card in a reciprocating fashion along the table, a slit plate disposed over said table, said slit plate being provided with an incident light slit and a reflection light slit, a source of light for irradiating the embossed card on the table through the incident light slit formed in the slit plate to produce a parallel light beam, light-responsive means for sensing light reflected from the surface of the embossed card and passed through the reflection light slit and a card position detector mechanism for detecting the position of the embossed card on the table and controlling the driving mechanism accordingly.
A method for reading information contained on an embossed card comprising steps of positioning a slit plate having an incident light slit and a reflection light slit parallel to the embossed card, irradiating the surface of the embossed card through the incident light slit to produce a parallel light beam, detecting light reflected from the surface of the embossed card and passed through the reflection light slit, and reading the information contained on the embossed card in accordance with the intensity of the reflected parallel light beam.
Dependencies are inferred from the claim text.