GB977121A - Improvements in and relating to the statistical sampling of quality control data - Google Patents

Improvements in and relating to the statistical sampling of quality control data

Info

Publication number
GB977121A
GB977121A GB3581059A GB3581059A GB977121A GB 977121 A GB977121 A GB 977121A GB 3581059 A GB3581059 A GB 3581059A GB 3581059 A GB3581059 A GB 3581059A GB 977121 A GB977121 A GB 977121A
Authority
GB
United Kingdom
Prior art keywords
accept
reject
button
operations
lamp
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
GB3581059A
Inventor
William Robinson Hindle
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.)
English Electric Co Ltd
Original Assignee
English Electric 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 English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to GB3581059A priority Critical patent/GB977121A/en
Publication of GB977121A publication Critical patent/GB977121A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C3/00Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14Quality control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

977,121. Sampling quality control data. ENGLISH ELECTRIC CO. Ltd. Jan. 23, 1961 [Oct. 22, 1959; Nov. 18, 1959], Nos. 35810/59 and 39191/59. Heading G4D. An estimation is made of the quality of a batch of manufactured articles by operating an accept or a reject button as each article is tested, the related accept and reject counters being interconnected so that, depending on the relative proportions of the two numbers as indicated in the graph of Fig. 1, an accept or a reject lamp will light. The apparatus comprises three uniselectors 10-12. Uniselectors 10, 11 count the operations of accept button 13,transfer from 10 to 11 taking place at the 20th operation. Uniselector 12 counts the operations of reject button 14, while count register 21 indicates the total count. Sockets of programme selector 16, Fig. 3, are plugged in such a manner that if the relationship of accept/reject operations enters the shaded "accept" area of Fig. 1 a green accept lamp 20 lights up, while if the relationship enters the shaded "reject" area then a red reject lamp 19 lights up. Operation of reset button 15 restores uniselector 12,11,10 sequentially in audible manner.
GB3581059A 1959-10-22 1959-10-22 Improvements in and relating to the statistical sampling of quality control data Expired GB977121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3581059A GB977121A (en) 1959-10-22 1959-10-22 Improvements in and relating to the statistical sampling of quality control data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3581059A GB977121A (en) 1959-10-22 1959-10-22 Improvements in and relating to the statistical sampling of quality control data

Publications (1)

Publication Number Publication Date
GB977121A true GB977121A (en) 1964-12-02

Family

ID=10381777

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3581059A Expired GB977121A (en) 1959-10-22 1959-10-22 Improvements in and relating to the statistical sampling of quality control data

Country Status (1)

Country Link
GB (1) GB977121A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086059A2 (en) * 1982-02-02 1983-08-17 Dabey Ltd. Improvements in or relating to computers for use in sampling procedures

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086059A2 (en) * 1982-02-02 1983-08-17 Dabey Ltd. Improvements in or relating to computers for use in sampling procedures
EP0086059A3 (en) * 1982-02-02 1985-01-30 Dabey Ltd. Improvements in or relating to computers for use in sampling procedures

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