Registers – Coded record sensors – Particular sensor structure
Patent
1992-06-17
1994-02-08
Hajec, Donald
Registers
Coded record sensors
Particular sensor structure
235455, 235438, 235485, G06K 710
Patent
active
052850560
ABSTRACT:
Apparatus is described for use with a bar code scanner, to enable consistent bar code reflectance quality measurements. The apparatus includes a holder (60, FIG. 1 ) which holds a hand-held bar code scanner (20) at a predetermined distance (B) and angle (A) with respect to the surface of a sheet (12) that has been imprinted with a bar code. The holder has a lower end (66) for lying "flat" against the sheet, and has a plurality of switches (81-83, FIG. 3 ) at locations spaced around the lower end of the holder. Only when all switches are operated, is the lower end of the holder flat against the sheet, and only when all switches are simultaneously actuated is the bar code scanner operated to generate a display that indicates reflectance quality.
REFERENCES:
patent: 4107540 (1978-08-01), Hillman
patent: 4210802 (1980-07-01), Sakai
patent: 4222654 (1980-09-01), Bodenhamer
patent: 4431912 (1984-02-01), Dickson et al.
patent: 4672215 (1987-06-01), Howard
patent: 5132523 (1992-07-01), Bassett
IBM Technical Disclosure Bulletin, vol. 20 No. 10 Mar. 1978, p. 4043.
Palmer Donald R.
Tedesco Jack
Chin Esther
Freilich Arthur
Hajec Donald
Hornbaker Robert D.
RJS, Inc.
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