GB840639A - Improvements in or relating to weighing devices - Google Patents

Improvements in or relating to weighing devices

Info

Publication number
GB840639A
GB840639A GB2247957A GB2247957A GB840639A GB 840639 A GB840639 A GB 840639A GB 2247957 A GB2247957 A GB 2247957A GB 2247957 A GB2247957 A GB 2247957A GB 840639 A GB840639 A GB 840639A
Authority
GB
United Kingdom
Prior art keywords
relating
weighing devices
july
photo
cell
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
GB2247957A
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.)
Molins Machine Co Ltd
Original Assignee
Molins Machine Co 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 Molins Machine Co Ltd filed Critical Molins Machine Co Ltd
Priority to GB2247957A priority Critical patent/GB840639A/en
Publication of GB840639A publication Critical patent/GB840639A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
    • G01G7/02—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electromagnetic action
    • G01G7/04—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electromagnetic action with means for regulating the current to solenoids

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetically Actuated Valves (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

840,639. Weighing apparatus. BEST, C., and MOLINS MACHINE CO. Ltd. July 15, 1958 [July 16, 1957], No. 22479/57. Class 40 (3). [Also in Group XXXVIII] In weighing apparatus (see Group XXXVIII), wherein the weight of a body is opposed by an electromagnetic force due to current in a coil, the latter is controlled by a photo-cell. In Fig. 1, the weight of a body on a platform 2 deflects a sleeve 27 on the pillar 1 and moves a shutter 26 to allow more light from a source (not shown) to fall on a photo-cell 30.
GB2247957A 1957-07-16 1957-07-16 Improvements in or relating to weighing devices Expired GB840639A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2247957A GB840639A (en) 1957-07-16 1957-07-16 Improvements in or relating to weighing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2247957A GB840639A (en) 1957-07-16 1957-07-16 Improvements in or relating to weighing devices

Publications (1)

Publication Number Publication Date
GB840639A true GB840639A (en) 1960-07-06

Family

ID=10180059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2247957A Expired GB840639A (en) 1957-07-16 1957-07-16 Improvements in or relating to weighing devices

Country Status (1)

Country Link
GB (1) GB840639A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097714A (en) * 1961-05-25 1963-07-16 Nuclear Corp Of America Force measuring device
US3519095A (en) * 1969-08-01 1970-07-07 Artek Syst Corp Precision electromagnetic balance
CN110438453A (en) * 2019-06-28 2019-11-12 北京铂阳顶荣光伏科技有限公司 The prior-warning device and method for early warning of starting material left amount in crucible

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097714A (en) * 1961-05-25 1963-07-16 Nuclear Corp Of America Force measuring device
US3519095A (en) * 1969-08-01 1970-07-07 Artek Syst Corp Precision electromagnetic balance
CN110438453A (en) * 2019-06-28 2019-11-12 北京铂阳顶荣光伏科技有限公司 The prior-warning device and method for early warning of starting material left amount in crucible

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