GB1020845A - Improvements relating to load carrying apparatus - Google Patents

Improvements relating to load carrying apparatus

Info

Publication number
GB1020845A
GB1020845A GB210/64A GB21064A GB1020845A GB 1020845 A GB1020845 A GB 1020845A GB 210/64 A GB210/64 A GB 210/64A GB 21064 A GB21064 A GB 21064A GB 1020845 A GB1020845 A GB 1020845A
Authority
GB
United Kingdom
Prior art keywords
datum level
voltage
analogue
ramp
sweep voltage
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
Application number
GB210/64A
Inventor
Robert Francis Eade
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB210/64A priority Critical patent/GB1020845A/en
Priority to NL6415300A priority patent/NL6415300A/xx
Priority to FR591A priority patent/FR1419373A/en
Priority to BE657845A priority patent/BE657845A/xx
Publication of GB1020845A publication Critical patent/GB1020845A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
    • G01G11/14—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers using totalising or integrating devices
    • G01G11/16—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers using totalising or integrating devices being electrical or electronic means
    • G01G11/18—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers using totalising or integrating devices being electrical or electronic means using digital counting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
    • G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/005—Measuring force or stress, in general by electrical means and not provided for in G01L1/06 - G01L1/22
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/56—Input signal compared with linear ramp

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Conveyors (AREA)

Abstract

1,020,845. Electric selective signalling. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Dec. 22, 1964 [Jan. 2, 1964], No. 210/64. Heading G4H. In an analogue-to-digital converter, when a sweep voltage reaches a datum level it is biased away from the datum level by the analogue input voltage and clock pulses are gated to a counter from this time until the biased sweep voltage returns to the datum level. In the particular embodiment, the analogue input voltage represents the load on a conveyer and the sweep voltage is triggered to produce sampling of the input at a rate proportional to the conveyer speed. The datum level is reached for the first time when the ramp has progressed far enough to cancel a fixed voltage from a potentiometer which ensures that the non- linear part of the ramp is avoided during counting. The counter produces a total count for a plurality of successive samplings, and a rate meter gives a smoothed average of several successive samplings.
GB210/64A 1964-01-02 1964-01-02 Improvements relating to load carrying apparatus Expired GB1020845A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB210/64A GB1020845A (en) 1964-01-02 1964-01-02 Improvements relating to load carrying apparatus
NL6415300A NL6415300A (en) 1964-01-02 1964-12-31
FR591A FR1419373A (en) 1964-01-02 1964-12-31 Advanced training in load carrying devices
BE657845A BE657845A (en) 1964-01-02 1964-12-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB210/64A GB1020845A (en) 1964-01-02 1964-01-02 Improvements relating to load carrying apparatus

Publications (1)

Publication Number Publication Date
GB1020845A true GB1020845A (en) 1966-02-23

Family

ID=9700346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB210/64A Expired GB1020845A (en) 1964-01-02 1964-01-02 Improvements relating to load carrying apparatus

Country Status (4)

Country Link
BE (1) BE657845A (en)
FR (1) FR1419373A (en)
GB (1) GB1020845A (en)
NL (1) NL6415300A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578955A (en) * 1968-03-18 1971-05-18 Ramsey Eng Co Totalizer for integrating the product of two variables with digital registration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578955A (en) * 1968-03-18 1971-05-18 Ramsey Eng Co Totalizer for integrating the product of two variables with digital registration

Also Published As

Publication number Publication date
FR1419373A (en) 1965-11-26
NL6415300A (en) 1965-07-05
BE657845A (en) 1965-04-16

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