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Class Information
Number: 235/431
Name: Registers > Record controlled calculators > With data comparing
Description: Subject matter including means to perform a comparison of two or more sets of data which may be carried upon records, accumulators, or other entry-receiving devices.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6435407 |
Computerized shopping cart with storage and distribution system, for supermarket use |
Aug. 20, 2002 |
| 6380873 |
Method for reducing radio frequency emissions on high-speed serial buses |
Apr. 30, 2002 |
| 5335334 |
Data processing apparatus having a real memory region with a corresponding fixed memory protection key value and method for allocating memories therefor |
Aug. 2, 1994 |
| 4934846 |
Franking system |
Jun. 19, 1990 |
| 4849927 |
Method of controlling the operation of security modules |
Jul. 18, 1989 |
| 4682150 |
Data compression method and apparatus |
Jul. 21, 1987 |
| 4344135 |
Dynamic creation of signatures |
Aug. 10, 1982 |
| 4322612 |
Self-service wagering system |
Mar. 30, 1982 |
| 4319131 |
Score record processing system |
Mar. 9, 1982 |
| 4268744 |
Score processing system for use with ID cards |
May. 19, 1981 |
| 4236446 |
Check-digit printing means |
Dec. 2, 1980 |
| 4204637 |
Ticket and reading device |
May. 27, 1980 |
| 4175694 |
Method and apparatus for processing documents |
Nov. 27, 1979 |
| 4156911 |
Dynamic re-creation of signatures |
May. 29, 1979 |
| 4136819 |
Card processing apparatus |
Jan. 30, 1979 |
| 4114032 |
Documents having fibers which are coated with a magnetic or magnetizable material embedded therein and an apparatus for checking the authenticity of the documents |
Sep. 12, 1978 |
| 4088877 |
Sequence checking device |
May. 9, 1978 |
| 4087858 |
Accounting and cash-transfer system for filling stations having metered pumps |
May. 2, 1978 |
| 4085670 |
Check digit numbering mechanisms |
Apr. 25, 1978 |
| 4075461 |
UPC symbol decoding system |
Feb. 21, 1978 |
| 4071741 |
Card validator |
Jan. 31, 1978 |
| 4071740 |
Mobile automated shopping system |
Jan. 31, 1978 |
| 4064389 |
System and method for authenticating an electronically transmitted document |
Dec. 20, 1977 |
| 4035614 |
Card validating apparatus |
Jul. 12, 1977 |
| 4033588 |
Automatic keno game |
Jul. 5, 1977 |
| 4027141 |
Apparatus for encoding a magnetic label |
May. 31, 1977 |
| 4025760 |
Security means for transaction terminal system |
May. 24, 1977 |
| 4004134 |
Off-line magnetic card reader system operable as though normally on line |
Jan. 18, 1977 |
| 3996449 |
Operating system authenticator |
Dec. 7, 1976 |
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