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Class Information
Number: 250/569
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Including coded record > Digital information > Card type
Description: Subject matter wherein the record is a flat rectangular sheet.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5362953 |
Reading apparatus with separate illumination and detection optical axes |
Nov. 8, 1994 |
| 5247166 |
Form reader with linear CCD scanner and drum feed |
Sep. 21, 1993 |
| 5230673 |
Exerciser in which exercising load is controlled based on individual data stored in an optical data card |
Jul. 27, 1993 |
| 5206521 |
Energy saving optoelectronic code reading access device |
Apr. 27, 1993 |
| 5189290 |
Optical card processing apparatus using tracking error signals to determine proper card orientation |
Feb. 23, 1993 |
| 5173595 |
Method and apparatus for reading free falling dosimeter punchcodes |
Dec. 22, 1992 |
| 5034619 |
Optical reader with dual vertically oriented photoemitters |
Jul. 23, 1991 |
| 4853525 |
Forgery proof optoelectric code card reader |
Aug. 1, 1989 |
| 4838404 |
Token operating system for an electronic device |
Jun. 13, 1989 |
| 4797543 |
Selectable data readout IC card |
Jan. 10, 1989 |
| 4797872 |
Method for reproducing data recorded on optical card |
Jan. 10, 1989 |
| 4786792 |
Transmissively read quad density optical data system |
Nov. 22, 1988 |
| 4771165 |
Device for optically identifying objects |
Sep. 13, 1988 |
| 4736109 |
Coded document and document reading system |
Apr. 5, 1988 |
| 4626671 |
Lens system for optically recorded storage card reader |
Dec. 2, 1986 |
| 4508686 |
Film strip for rapid test of a film processor |
Apr. 2, 1985 |
| 4494691 |
Line-by-line document scanner equipped with a device for controlling the position of documents |
Jan. 22, 1985 |
| 4463649 |
Waveform producing system employing scanning of a waveform pattern |
Aug. 7, 1984 |
| 4446204 |
Security paper with authenticity features |
May. 1, 1984 |
| 4317030 |
Mailing package for facilitating automatic sorting of mail |
Feb. 23, 1982 |
| 4295051 |
Optical card reader |
Oct. 13, 1981 |
| 4288701 |
Mark sensing detector |
Sep. 8, 1981 |
| 4283622 |
Bar code reader |
Aug. 11, 1981 |
| 4276470 |
Bar code reader |
Jun. 30, 1981 |
| 4267439 |
Document reader lamp life extension system |
May. 12, 1981 |
| 4196349 |
Clock signal producing device for a card reader |
Apr. 1, 1980 |
| 4178503 |
Marking message card and template assembly and related input switching circuitry and method of making the assembly |
Dec. 11, 1979 |
| 4176783 |
Manually operable card reader including column sensor |
Dec. 4, 1979 |
| 4136820 |
Automatic calling directory |
Jan. 30, 1979 |
| 4135663 |
System for recognizing bar code information |
Jan. 23, 1979 |
| 4122997 |
Optical reader |
Oct. 31, 1978 |
| 4114045 |
Optical card reader for setting frequency division ratio of programmable counter for use in synthesizer tuners |
Sep. 12, 1978 |
| 4104682 |
Apparatus for reducing the number of undetected errors read along the length of a binary information bearing medium |
Aug. 1, 1978 |
| 4086476 |
Control circuit for a code reading device |
Apr. 25, 1978 |
| 4074852 |
Symbol decoding method and means |
Feb. 21, 1978 |
| 4066910 |
Transmissivity-coded data card systems |
Jan. 3, 1978 |
| RE29449 |
Card reader |
Oct. 18, 1977 |
| 4053736 |
Digital rate compensator for a card reader |
Oct. 11, 1977 |
| 4019065 |
Multiplexing document card reader with convex lens |
Apr. 19, 1977 |
| 4013894 |
Secure property document and system |
Mar. 22, 1977 |
| 4008962 |
Color printing method |
Feb. 22, 1977 |
| 4002908 |
Program selection, particularly for liquid scintillation spectrometers |
Jan. 11, 1977 |
| 3993893 |
Data reader |
Nov. 23, 1976 |
| 3986612 |
Random access card storage and retrieval system |
Oct. 19, 1976 |
| 3971473 |
Tri-level selector |
Jul. 27, 1976 |
| 3961160 |
Card reader |
Jun. 1, 1976 |
| 3959627 |
Card reader |
May. 25, 1976 |
| 3947666 |
Card reader |
Mar. 30, 1976 |
| 3938662 |
Selective imprinting machine |
Feb. 17, 1976 |
| 3937926 |
Validator for scrip |
Feb. 10, 1976 |
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