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#Computer timer clock pdf

time-recorders for work people not involving the registering, indicating or recording of other data wherein the time is indicated in figures with apparatus adapted for use with individual cards

G07C1/06- Registering, indicating or recording the time of events or elapsed time, e.g.

time-recorders for work people not involving the registering, indicating or recording of other data wherein the time is indicated in figures

G07C1/04- Registering, indicating or recording the time of events or elapsed time, e.g.

time-recorders for work people not involving the registering, indicating or recording of other data G07C1/02- Registering, indicating or recording the time of events or elapsed time, e.g.G07C1/00- Registering, indicating or recording the time of events or elapsed time, e.g.G07C- TIME OR ATTENDANCE REGISTERS REGISTERING OR INDICATING THE WORKING OF MACHINES GENERATING RANDOM NUMBERS VOTING OR LOTTERY APPARATUS ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE.G06Q40/00- Finance Insurance Tax strategies Processing of corporate or income taxes.G06Q- DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR.G08B13/00- Burglar, theft or intruder alarms.

G08B- SIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS.

238000004519 manufacturing process Methods 0.000 description 1.

230000015556 catabolic process Effects 0.000 description 1.

230000005540 biological transmission Effects 0.000 description 1.

230000000295 complement Effects 0.000 abstract description 3.

230000000875 corresponding Effects 0.000 claims description 6.

Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Bear Hsiung filed Critical Bear Hsiung Priority to US07/206,084 priority Critical patent/US4924451A/en Application granted granted Critical Publication of US4924451A publication Critical patent/US4924451A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US07/206,084 Inventor Bear Hsiung Original Assignee Bear Hsiung Priority date (The priority date is an assumption and is not a legal conclusion.

#Computer timer clock pdf

Google Patents US4924451A - Computer time clockĭownload PDF Info Publication number US4924451A US4924451A US07/206,084 US20608488A US4924451A US 4924451 A US4924451 A US 4924451A US 20608488 A US20608488 A US 20608488A US 4924451 A US4924451 A US 4924451A Authority US United States Prior art keywords card reader photo detectors time Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.