초록 ▼

A counting scale can total the number of common articles transferred relative to the counting scale, when the transfers occur in stages. The scale has a weighing device for successively providing upon each staged transfer of the common articles, a weight signal signifying the current weight. The sca

A counting scale can total the number of common articles transferred relative to the counting scale, when the transfers occur in stages. The scale has a weighing device for successively providing upon each staged transfer of the common articles, a weight signal signifying the current weight. The scale also has a processing device coupled to the weighing device for calculating a count in response to the weight signal provided by the weighing device upon the staged transfers. The processing device is operable to programmatically apply a series of divisors to consecutive values of the weight signal in order to automatically discern submultiples in the consecutive values. The scale also has an output device coupled to the processing device for presenting the count calculated by the processing device.

대표청구항 ▼

1. A counting scale for totaling the number of common articles transferred in stages relative to said counting scale, comprising: a weighing device for successively providing upon each staged transfer of the common articles a weight signal signifying the current weight, the weight signal having cons

1. A counting scale for totaling the number of common articles transferred in stages relative to said counting scale, comprising: a weighing device for successively providing upon each staged transfer of the common articles a weight signal signifying the current weight, the weight signal having consecutive values progressively changing over the stages;a processing device coupled to said weighing device for calculating a count in response to the weight signal provided by said weighing device for staged transfers, said processing device being operable to programmatically apply more than one from a series of divisors to at least one of the consecutive values of the weight signal and obtain from one of the consecutive values a plurality of quotients, in order to automatically discern submultiples in the consecutive values by using a grading criterion selected from the group consisting of (1) closeness of a pair of quotients from different stages, and (2) nearness of a quotient to even division; andan output device coupled to the processing device for presenting the count calculated by said processing device. 2. A counting scale according to claim 1 wherein said processing device is operable in response to said weight signal remaining stable for a predetermined period of time to incorporate the current value of said weight signal into the consecutive values. 3. A counting scale according to claim 1 wherein said processing device is operable (a) to cyclically obtain the weight signal, and (b) in response to said weight signal changing less than a predetermined percentage per cycle to incorporate the current value of said weight signal into the consecutive values. 4. A counting scale according to claim 1 wherein said series of divisors are prospective weight values, said processing device being operable to assign to each one in the series of divisors a set of remainders resulting from applying said series of divisors to said consecutive values, said processing device using the maximum value in the set of remainders for each one of the series of divisors as a grading criterion for selecting one of the series of divisors to be used to determine weight. 5. A counting scale according to claim 1 wherein said series of divisors are prospective counts, said processing device being operable to assign to each one of the consecutive values a series of quotients resulting from applying said series of divisors to said consecutive values, said processing device selecting from the series of quotients for each of the consecutive values matches chosen according to a predetermined matching criterion in order to determine weight. 6. A counting scale according to claim 1 wherein said processing means is operable to calculate a count based on staged arrival of common articles on said weighing device. 7. A counting scale according to claim 1 wherein said processing means is operable to calculate a count based on staged removal of common articles on said weighing device. 8. A counting scale according to claim 1 wherein said processing device is programmed to perform calculations within predetermined limits and eliminate calculations that violate said predetermined limits, said predetermined limits include one or more of a predetermined weight range and a predetermined count range. 9. A counting scale according to claim 1 wherein said weighing device includes a tray with a trough. 10. A counting scale according to claim 9 wherein said output device is mounted on an underside of said tray to obscure visibility of said output device when said tray is resting on a substantially horizontal surface. 11. A counting scale according to claim 9 wherein said output device includes an advertising display adapted to present commercial information. 12. A counting scale according to claim 11 wherein said advertising display has a wireless connection to a source of advertising content. 13. A counting scale according to claim 1 wherein said weighing device includes at least one of a strain gauge, Wheatstone bridge, servo, solenoid, LVDT sensor, RVDT sensor, and spring. 14. A counting scale according to claim 1 wherein said weighing device includes a finish sensor coupled to said processing device for sensing engagement of said weighing device indicating preparation for removal of the common articles. 15. A counting scale according to claim 14 wherein said output device is ineffective in presenting a count until said finish sensor indicates preparation for removal of the common articles. 16. A counting scale according to claim 14 wherein said weighing device comprises: a frame;a weighing platform mounted at said frame for receiving the common articles; anda brake for holding said platform fixed relative to said frame, said processing device operating said brake in response to said finish sensor indicating preparation for removal of the common articles. 17. A counting scale according to claim 14 wherein said finish sensor comprises: a switch for sensing translation of said counting scale. 18. A counting scale according to claim 14 wherein said weighing device comprises: a frame having a handle, said finish sensor comprising an engagement sensor coupled to said processing device for sensing manual engagement of said handle. 19. A counting scale according to claim 14 comprising: a frame; anda trough rotatably mounted at said frame to articulate and dispense any of the common articles in said trough, said finish sensor comprising a switch coupled to said trough for detecting articulation thereof. 20. A counting scale according to claim 14 comprising: a frame; anda trough with a hinged cover mounted at said frame to articulate and dispense any of the common articles in said trough, said finish sensor comprising a switch coupled to said hinged cover for detecting closing thereof onto said trough. 21. A counting scale according to claim 1 comprising: a microphone coupled to said processing device for detecting transfer of the common articles relative to said weighing device. 22. A counting scale according to claim 1 comprising: an annunciator coupled to said processing device to be driven thereby after calculation of a count by said processing device has been completed and has satisfied a predetermined reliability criterion. 23. A counting scale according to claim 1 wherein said weighing device comprises: a movable weighing platform for receiving the common articles;a position sensor coupled to said platform for providing to said processing device a position signal indicating position of said platform; andan actuator coupled to said platform for moving it, said processing device being operable to automatically drive said actuator in order to bring said platform to a predetermined neutral position, wherein a predetermined characteristic of drive applied to said actuator is taken as a weight indication. 24. A counting scale according to claim 23 wherein said processing device converts the drive applied to said actuator to a weight value by using a lookup table stored in memory. 25. A counting scale according to claim 1 wherein said weighing device comprises: a frame having at least one stationary conductive plate; anda moveable platform having at least one opposing conductive plate in registration with the at least one stationary conductive plate, the weight signal signifying the extent of capacitive coupling between the at least one stationary plate and the at least one opposing plate. 26. A counting scale according to claim 25 wherein the at least one stationary conductive plate comprises at least one spaced pair of subplates in registration with the at least one opposing plate, the weight signal being produced in accordance with capacitive coupling between the at least one pair of subplates as affected by the cross-coupling through the at least one opposing plate. 27. A counting method for totaling the number of common articles transferred in stages relative to a platform, comprising the steps of: successively weighing upon each staged transfer of the common articles the current weight at the platform, each staged transfer leaving on the platform some of the common articles left on the platform after another staged transfer; andcalculating a derived count based on the weight at the platform upon each staged transfer, the calculation being performed by programmatically applying more than one from a series of divisors to at least one of the consecutive values of the weight at the platform and obtaining from one of the consecutive values a plurality of quotients, in order to discern submultiples in the consecutive values by using a grading criterion selected from the group consisting of (1) closeness of a pair of quotients from different stages, and (2) nearness of a quotient to even division. 28. A counting method according to claim 27 comprising the steps of: observing each staged transfer in order to directly obtain an observed count of the common articles on the platform; andconfirming the accuracy of the observed count by comparing it to the derived count. 29. A counting method according to claim 28 wherein the observed count is obtained before the derived count. 30. A counting method according to claim 27 wherein the step of successively weighing is performed upon the weight at the platform remaining stable for a predetermined period of time. 31. A counting method according to claim 27 wherein said series of divisors are prospective weight values, the step of calculating being performed by assigning to each one in the series of divisors a set of remainders resulting from applying said series of divisors to said consecutive values, the step of calculating being further performed by using the maximum value in the set of remainders for each one of the series of divisors as a grading criterion for selecting one of the series of divisors to be used to determine weight. 32. A counting method according to claim 27 wherein said series of divisors are prospective counts, the step of calculating being performed by assigning to each one of the consecutive values a series of quotients resulting from applying said series of divisors to said consecutive values, the step of calculating being further performed by selecting from the series of quotients for each of the consecutive values matches chosen according to a predetermined matching criterion in order to determine weight. 33. A counting method according to claim 27 wherein the step of calculating is performed based on staged arrival of common articles on said platform. 34. A counting method according to claim 27 wherein the step of calculating is performed based on staged removal of common articles on said platform. 35. A counting method according to claim 27 wherein the step of calculating is performed within predetermined limits to eliminate results that violate said predetermined limits, said predetermined limits include one or more of a predetermined weight range and a predetermined count range. 36. A counting method according to claim 27 wherein the platform includes a tray with a trough, the method including the step of withholding the derived count results obtained by the calculating step until after the last transfer relative to the platform. 37. A counting method according to claim 36 wherein the step of withholding is performed by displaying a derived count on an underside of said tray to obscure visibility of said output device when said tray is resting on a substantially horizontal surface. 38. A counting method according to claim 27 including the step of displaying commercial information on the tray. 39. A counting method according to claim 38 wherein the step of displaying commercial information is performed by updating advertising content through a wireless connection. 40. A counting scale for totaling the number of common articles transferred in stages relative to said counting scale, comprising: a weighing device having a tray with a trough for successively providing upon each staged transfer of the common articles a weight signal signifying the current weight, said weighing device including at least one of a strain gauge, Wheatstone bridge, servo, solenoid, LVDT sensor, RVDT sensor, and spring;a processing device coupled to said weighing device for calculating a count in response to the weight signal provided by said weighing device for staged transfers, said processing device being operable to programmatically apply at least some of a series of divisors to consecutive values of the weight signal in order to automatically discern submultiples in the consecutive values, said processing device being operable in response to said weight signal stabilizing to incorporate the current value of said weight signal into the consecutive values, said processing device being programmed to perform calculations within predetermined limits and eliminate calculations that violate said predetermined limits, said predetermined limits including one or more of a predetermined weight range and a predetermined count range, said weighing device including a finish sensor coupled to said processing device for sensing engagement of said weighing device indicating preparation for removal of the common articles;a microphone coupled to said processing device for detecting transfer of the common articles relative to said weighing device;an output device coupled to the processing device for presenting the count calculated by said processing device, said output device being ineffective in presenting a count until said finish sensor indicates preparation for removal of the common articles, said output device being mounted on an underside of said tray to obscure visibility of said output device when said tray is resting on a substantially horizontal surface, said output device including an advertising display adapted to present commercial information, said advertising display having a wireless connection to a source of advertising content; andan annunciator coupled to said processing device to be driven thereby after calculation of a count by said processing device has been completed and has satisfied a predetermined reliability criterion.