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US3846702A - Time accumulator man-hours expended - Google Patents

Time accumulator man-hours expended Download PDF

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Publication number
US3846702A
US3846702A US00372075A US37207573A US3846702A US 3846702 A US3846702 A US 3846702A US 00372075 A US00372075 A US 00372075A US 37207573 A US37207573 A US 37207573A US 3846702 A US3846702 A US 3846702A
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US
United States
Prior art keywords
accummulator
time
output
pulse
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00372075A
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English (en)
Inventor
E Markow
M Dziki
G Schultz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ISM Corp
Original Assignee
ISM Corp
Priority date (The priority date is an assumption and is not a legal conclusion. 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 ISM Corp filed Critical ISM Corp
Priority to US00372075A priority Critical patent/US3846702A/en
Priority to SE7407707A priority patent/SE7407707L/xx
Priority to ES427166A priority patent/ES427166A1/es
Priority to AU70267/74A priority patent/AU464258B2/en
Priority to FR7421460A priority patent/FR2234614B3/fr
Priority to JP49070756A priority patent/JPS5034564A/ja
Priority to IT51636/74A priority patent/IT1016117B/it
Priority to DE2429477A priority patent/DE2429477A1/de
Priority to BR5042/74A priority patent/BR7405042A/pt
Application granted granted Critical
Publication of US3846702A publication Critical patent/US3846702A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • 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
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/02—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
    • G07C1/04—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 wherein the time is indicated in figures
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC

Definitions

  • the device may comprise aplurality of separate accumulator banks each having a multiple switch array, each said switch corresponding to the predetermined number of workers, a power on-off switch, a switch for enabling counting at either regular time or time and one-half, and a resetable display for registering accumulated time preferably inincrements of a tenth of an hour.
  • the time accumulation is continuous as long as the device is operating and whether the predetermined number of workers increases or decreases.
  • Electronic clocks for accumulating time are generally known. These clocks may be used by an individual by setting the clock at the commencement of a job, to
  • one object of the present invention is to provide a device for accumulating the time expended by a predetermined number of workers over a preselected time interval.
  • Another object of the present invention is to provide a time accumulating device that can be used for monitoring the man-hours expended on-a number of different jobs or tasks.
  • a further object of the present invention is to provide a device in accordance with the preceding objects and that is provided with means for accumulating time at a rate other than the normal time rate, such as at a time and one-half rate.
  • Still a further object of the present invention is to provide a device that can be used by a manager for keeping track of a number of jobs that he is responsible for and for displaying a cumulating total of hours expended on each particular job.
  • Another object of the present invention is to provide a device in accordance with the preceding object and that cumulatively counts in time increments that vary be virtue of an increase or decrease in the predetermined number of workers.
  • an accumulator for registering man-hours exequate when monitoring a single individual, however,
  • counter means including means for displaying a cumulative count, and selection means including a plurality of switch means, each said switch means being mutually exclusively operable for selectively coupling one of said different frequency signals to the counter means.
  • FIG. I is a perspective view showing one embodiment for the accumulator of the present invention employing only one accumulator bank
  • FIG. 2 shows the count pulse circuitry partially in block form of the present invention
  • FIG. 3 is a logic circuit diagram showing primarily the circuit for providing different counting rates
  • FIG. 4 shows various waveforms associated with the circuitry of FIGS. 2 and 3'
  • FIG. 5 shows an alternate electro-optical arrangment for a portion of the circuitry shown in FIG. 2.
  • FIG. 1 shows a time accumulator of the present invention in a perspective view including a housing structure 10 that may be provided with a plurality of time accumulator banks 12 only one of which is shown in FIG. 1.
  • Each bank includes a power on-off switch 14, a time rate switch 16, a multi-switch array 18, and a display panel 20.
  • the switch 16 is for selecting time accumulating at either a normal rate or a time and one-half rate, for example. It would also be within the scope of the present invention to provide a switch 16 having more than two postions so that for example a double time rate could also be accumulated.
  • the multi-position switch 18 preferably includesten mutually exclusively operated switches 22, each said switch corresponding to the number of persons assigned to the particular job then associated with bank 12.
  • the display panel 20 includes a display window 24 which displays accumulated time at a rate of tenths of an hour, for example.
  • the display panel 20 also includes a reset button 26 for resetting the panel at the commencement of a job.
  • the apparatus shown in FIG. 1 may also include other banks for keeping track of other jobs. These other banks would be susbstantially identical to the one shown in FIG. 1.
  • FIG. 3 shows the switch array 18 for selecting the desired count'pulse line and logic circuit means for providing either a normal count rate or a time and one-half count rate.
  • the circuitry shown in FIGS. 2 and 3 maybe readily contained within the structure shown in FlG. 1.
  • FIG. 2 shows the power plug 28 which connects by way of fuse 29 and power on-off switch 14 to the primary winding of transformer T1.
  • the secondary winding of transformer T1 includes a numberof taps which selectively couple to diodes CRl-CR3J
  • the cathode of diode'CR1 establishes a high voltage DC level that may be used to activate the counter shown in FIG. 3.
  • the diodes CR2 and CR3 form a full-wave bridge circuit and the commonly tied cathodes of these diodes couple by way of diode CR4 to power supply'30.
  • 'Diode CR4 is important in that itprevents capacitor C from discharging into transistor Q2 and references line 38 to about zero volts.
  • Power supply 30' may be of conventional design and is shown in HO. 2 as primarily comprising integrated circuit power-supply device 32 and transistor Q1.
  • the device 32 may be of the type sold by National Semi-Conductor and designated as their series LM300 device.
  • Transistor Q1 increases the current capability of device 32.
  • Power supply 30 which also includes biasing resistors and coupling capacitors, as shown, establishes a DC voltage level of plus 5 volts on line 34. This 5 volt levelis used in the circuit shown in both FIGS. 2 and 3, as indicated. I
  • FIG. 4 shows the typical 60 cycle signal, the full-wave signal, and the pulse output from transistor Q2. As the AC signal goes to ground transistor Q2 turns off causing its collector to go positive. The pulse signal occurs at a 120 pulse per second rate, and is the pulse which initiates the entire counting down operation.
  • FIG. 2 includes divider devices 40,
  • Device 40 for example, which is a divide by ten device, simply provides one pulse output for every ten pulse inputsfrom transistor Q2.
  • Thedevices 40-45 may typically include a bistable counting circuit and associated gating means for providing the appropriate number of pulses in dependence upon the number of pulses occurring at the input.
  • the device 41 is also a divide by l0 device and devices 42 and 43 are each divide by three devices.
  • the pulse rate on line 46 occurs at a rate of 8 pulses per minute or 480 pulses per hour. This rate is determined by dividing l20 pulses per second by 900 which is in turn the division created by the devices 40, 41, 42 and 43. r
  • the pulse rateon line 46 of 8 pulses per minute or 48 pulses per onetenth hour is coupled to divider device 44 which is also of conventional design and includes three output lines 48, 50, and 52.
  • the output line 48 is a divide by six line providing a pulse repetition rate of'8 pulses per one-tenth hour.
  • Line 50 is a divide by l2 line which provides a pulse rate of 4 pulses per one-tenth hour.
  • Line 52 is also a divide by 12 line which is coupled to the remaining divider device 45.
  • the divider device 45 includes output lines 54 and 56.
  • Output line 54 isa divide by two line which generates a pulse repetition rate of 2 pulsesper one-tenth hour.
  • Output line 56 is a divide byfour. line which generates a one-pulse per one-tenth hour pulse rate.
  • FIG. 4 shows the pulses on these output pulse lines 48, 50, 54, and 56.
  • the waveform shown on line 50 is derived from the waveform on line 48 wherein the waveform of line 50 goes through a transition each time the waveform on line 48 goes through couple to the diode matrix of FIG. 2.
  • The. diode matrix 60 receives the differentiated signals on lines 62, 63, 64 and and combines the signals to provide a plurality of discrete outputs which are shown in FIG. 2 as discrete outputs 01 through 012.
  • the pulse train on line 50 couples by way of differentiator 51 to line 63 and from there to diode CR8. Another pulse train is differentiated by circuit 57 and passes to diode CR9.
  • the output 05 is thus a combination of pulses as depicted in FIG. 4 wherein the pulses A are generated from positive-going transitions on line 50 and the pulses B, which are interleaved with the pulses A, are generated from positive-going transitions on line 56.
  • i g s v i In FIG. 4 one particular sequence of waveforms on lines 48, 50, 54 and 56 has been shown wherein the toggling occurs on the negative-going transition.
  • the toggling could have occurred on the positivegoing transition. If the toggling occurs on the negativegoing transition then the positive transition is differentiated in order to provide the proper pulse combination. if the toggling occurs on the positive transition then the negative transition is differentiated to obtain the proper combination of pulses.
  • the diode matrix 60 also includes a plurality of other diodes which are selectively coupled to the lines 62 through 65. These lines are appropriately designated by I the corresponding binary notations 8-4-2-1. Thus, for
  • the output 011 is a combination of the output pulses from binary lines corresponding to the binary numbers 1, 2, and 8 in a binary coded decimal (BCD).
  • BCD binary coded decimal
  • I switch array 18 includes a plurality of switches 22 as shown in FIG. 1 each of which is a simple on-off switch.
  • the array is preferably mechanically interconnected so that not more than the particular one of the switches 22 and there are five pulses created in the one-tenth hour basic time cycle. These pulses are fed by way of line 73 and resistor 63 to transistor Q3. These pulses are positive pulses that cause transistor O3 to conduct during the duration of the pulse, and to be non-conductive between pulses.
  • the output or the collector of transistor Q3 couples to substantially identical timing circuits 64 and 70.
  • FIG. 4 shows waveforms associated with the circuitry of FIG. 3 and in particular with the timing circuits 64 and 70.
  • the circuit 64 includes NAND gate 65and 66, timing capacitor 67 and transistor 68.
  • a waveform in FIG. 4 shows the output from circuit 64 as having a pulse of a width on the order two seconds, for example. This width is determined by the value of capacitor 67 and resistor 69.
  • circuit 70 is substantially identical to circuit 64 with the exception that its capacitor 72 is of a smaller value.
  • FIG. 4 shows the output of circuit 70 which is a pulse of shorter duration and may be on the order of one-half second long.
  • the signal at the collector of transistor O3 is also coupled by way of lines 75 .to flip-flop 76, and the line 75 serves as a clock input line for the flip-flop 76 and line 79 serves as and an assertion output 79 which couples to a moveable contact of switch 16.
  • the flip-flop 76 changes state each time a pulse is received on line 75 and thus the output on line 79. switches between its high and low level as each pulse is received by the flipflop 76. If the switch 16 is closed then this alternating 1 signal on line 79 is coupled to logic gate 80.
  • the signal online 79 controls the time and one-half counting, 'generating an extra count pulse for every other pulse sensed by transistor 03.
  • FIG. 3 shows one NAND gate 84 which is used to combine the. output signals from circuit 64 and 70.
  • the output of gate 84 is shown in FIG. 4 and is essentially the inversion of the output pulse from circuit 70.
  • the output of gate 84 goes-to its low level this causes the output of inverter gate 85 to go to its high level causing transistor G4 to conduct'thereby generating a current through counter coil C1 causing a counter-increment.
  • This increment is specifically identified in one-tenths of an hour per pulse.
  • the logic operates so that if switch 16 is opened because counting is only to take place at a normal rate then the output of gate 80 is always high and the output of gate 86 is always low thereby preventing any conduction of transistor Q4 by way of the gates 80 and 86.
  • switch 16 when switch 16 is closed the bottom input to gate 80 can either'be high or low depending upon the condition of flip-flop 76.
  • the sensing of the state of flip-flop 76 occurs on the trailing edge E of the output of circuit 64.
  • this ground-going signal is passed by way of diode 89 to the input of circuit 70 causing circuit 70 to relatch which in turn generates a second output pulse as depicted in FIG. 4. If the output of flip-flop 76 is high during the time that the second pulse appears then the output of gate 80 is low, the output of gate 86 is high and an additional count is created.
  • FIG. 5 shows an electro-optical arrangement which may be substituted for the divider chain shown in FIG. 2.
  • This arrangement shows an aperture plate 90 having a light source 92 disposed thereabove.
  • the aperture plate includes coaxially arranged aperture sets including one, two, four, and eight concentrically disposed apertures. It is noted that the apertures are radially non-coincident so as to provide the proper pulses.
  • Located below each aperture set is a corresponding sensing transistor identified in FIG. 4 as transistors 91, 92, 93 and 94.
  • the outputs of these transistors coupled to a shaper circuit 95 and the output of the shaper circuits is the equivalent of the outputs developed on lines 62, 63, 64 and 65 shown in FIG. 2.
  • accumulator banks can be used, some of which may be disposed remotely from others.
  • rates can be accommodated such as double or triple time rates.
  • the device can be used to accumulate with one predetermined number of workers, and the time accumulation can readily continue when the number of workers changes to either more or fewer .workers.
  • An accumulator for registering time expended by one or more operating units which accumulator comprises;
  • counting means including means for visually display- 1 ing a cumulative count corresponding to expended time
  • selection means including aplurality of mutually exclusive switch means that individually correspon dv to a different one of said frequency signals and are individually employed for coupling a corref sponding one of said frequency signals to the coun'ting means.
  • the accummulator of claim '1 including means for permitting said counting means to count at a time and one-half rate or higher.
  • said permitting means includes a switch for inhibiting or enabling said permitting means. said permitting means being coupled between said selection means and counting means.
  • said permitting means includes first and second timing circuits and a bistable device, said frequency signal being represented by a repetitive pulse which is coupled to said bistable device 6.
  • said first I and second timing circuits each include mono-stable multivibrators, said first timing circuit having a longer output pulse width than said second timing circuit.
  • the accummulator of claim 6 including a first gate responsive to the outputs of both said multivibrators for passinga signal to said counting means during the period that both output pulses are present.
  • the accummulator ofclaim 7 including means coupled from the first timing circuit to the input of the second timing circuit for generating a second output pulse from the second timing circuit at the termination of the output pulse of the first timing circuit;
  • the accummulator of claim'8 including a second gate responsive to the output of the second timingcircult and the bistable device for passing a singal to said counting means during the period of said second output, but only when said bistable device is in one of its states.
  • the accummulator of claim 1 including means for providing a basic clock signal from which said plurality of different frequency signals are derived.
  • said means for providing a plurality of different binary pulse trains includes a plate having'coneentric apertures, a light source disposed on one side of said plate, and a plurality of photo-detector means. disposed on the other side of said plate and periodically responsive to light passing through the apertures in the plate.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
US00372075A 1973-06-21 1973-06-21 Time accumulator man-hours expended Expired - Lifetime US3846702A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US00372075A US3846702A (en) 1973-06-21 1973-06-21 Time accumulator man-hours expended
SE7407707A SE7407707L (es) 1973-06-21 1974-06-11
ES427166A ES427166A1 (es) 1973-06-21 1974-06-11 Un dispositivo acumulador para registrar los tiempos inver-tidos por una o mas unidades operantes.
AU70267/74A AU464258B2 (en) 1973-06-21 1974-06-19 Time accumulator
FR7421460A FR2234614B3 (es) 1973-06-21 1974-06-20
JP49070756A JPS5034564A (es) 1973-06-21 1974-06-20
IT51636/74A IT1016117B (it) 1973-06-21 1974-06-20 Misuratore di tempo ad accumulazio ne in particolare utile per la misu ra di tempi di lavoro
DE2429477A DE2429477A1 (de) 1973-06-21 1974-06-20 Zeitspeicher
BR5042/74A BR7405042A (pt) 1973-06-21 1974-06-20 Acumulador aperfeicoado para registrar o tempo gasto por uma ou mais unidades de operacao

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00372075A US3846702A (en) 1973-06-21 1973-06-21 Time accumulator man-hours expended

Publications (1)

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US3846702A true US3846702A (en) 1974-11-05

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US00372075A Expired - Lifetime US3846702A (en) 1973-06-21 1973-06-21 Time accumulator man-hours expended

Country Status (9)

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US (1) US3846702A (es)
JP (1) JPS5034564A (es)
AU (1) AU464258B2 (es)
BR (1) BR7405042A (es)
DE (1) DE2429477A1 (es)
ES (1) ES427166A1 (es)
FR (1) FR2234614B3 (es)
IT (1) IT1016117B (es)
SE (1) SE7407707L (es)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922531A (en) * 1973-07-25 1975-11-25 Simplex Time Recorder Co Flexitime recorder
US4847791A (en) * 1982-08-16 1989-07-11 Martin Joseph H Timekeeping system
US5918219A (en) * 1994-12-14 1999-06-29 Isherwood; John Philip System and method for estimating construction project costs and schedules based on historical data
US20050203809A1 (en) * 2004-03-09 2005-09-15 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486329A (en) * 1983-10-17 1984-12-04 Colgate-Palmolive Company Liquid all-purpose cleaner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500189A (en) * 1967-02-08 1970-03-10 Us Navy Automatic scaling system for a time device
US3660645A (en) * 1970-05-21 1972-05-02 Advanced Computer Tech Corp Calculating display board

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500189A (en) * 1967-02-08 1970-03-10 Us Navy Automatic scaling system for a time device
US3660645A (en) * 1970-05-21 1972-05-02 Advanced Computer Tech Corp Calculating display board

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922531A (en) * 1973-07-25 1975-11-25 Simplex Time Recorder Co Flexitime recorder
US4847791A (en) * 1982-08-16 1989-07-11 Martin Joseph H Timekeeping system
US5918219A (en) * 1994-12-14 1999-06-29 Isherwood; John Philip System and method for estimating construction project costs and schedules based on historical data
US20050203809A1 (en) * 2004-03-09 2005-09-15 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US7909241B2 (en) 2004-03-09 2011-03-22 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US20110106652A1 (en) * 2004-03-09 2011-05-05 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US20110166954A1 (en) * 2004-03-09 2011-07-07 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US8517256B2 (en) 2004-03-09 2013-08-27 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US8523067B2 (en) 2004-03-09 2013-09-03 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US8523066B2 (en) 2004-03-09 2013-09-03 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US8528816B2 (en) 2004-03-09 2013-09-10 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales
US8540153B2 (en) 2004-03-09 2013-09-24 Lowe's Companies, Inc. Systems, methods and computer program products for implementing processes relating to retail sales

Also Published As

Publication number Publication date
JPS5034564A (es) 1975-04-02
FR2234614B3 (es) 1977-04-15
FR2234614A1 (es) 1975-01-17
AU464258B2 (en) 1975-08-21
AU7026774A (en) 1975-08-21
ES427166A1 (es) 1976-07-16
IT1016117B (it) 1977-05-30
BR7405042A (pt) 1976-02-24
SE7407707L (es) 1974-12-23
DE2429477A1 (de) 1975-01-16

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