GB1074471A - Improvements in and relating to chart reading and recording apparatus - Google Patents

Improvements in and relating to chart reading and recording apparatus

Info

Publication number
GB1074471A
GB1074471A GB661764A GB661764A GB1074471A GB 1074471 A GB1074471 A GB 1074471A GB 661764 A GB661764 A GB 661764A GB 661764 A GB661764 A GB 661764A GB 1074471 A GB1074471 A GB 1074471A
Authority
GB
United Kingdom
Prior art keywords
relating
recording apparatus
chart reading
feb
carrier
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
GB661764A
Inventor
Archibald Raymond Boyle
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.)
D Mac Ltd
Original Assignee
D Mac 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 D Mac Ltd filed Critical D Mac Ltd
Priority to GB661764A priority Critical patent/GB1074471A/en
Publication of GB1074471A publication Critical patent/GB1074471A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Rotational Drive Of Disk (AREA)

Abstract

1,074,471. Electric selective signalling. D-MAC Ltd. Feb. 5, 1965 [Feb. 18, 1964], No. 6617/64. Addition to 1,024,019. Heading G4H. A manually movable index in chart reading apparatus comprises an elongated carrier having two or more displaced signalling devices, e.g. coils. The carrier may be flexible, have index lines thereon, and be transparent or reflecting.
GB661764A 1964-02-18 1964-02-18 Improvements in and relating to chart reading and recording apparatus Expired GB1074471A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB661764A GB1074471A (en) 1964-02-18 1964-02-18 Improvements in and relating to chart reading and recording apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB661764A GB1074471A (en) 1964-02-18 1964-02-18 Improvements in and relating to chart reading and recording apparatus

Publications (1)

Publication Number Publication Date
GB1074471A true GB1074471A (en) 1967-07-05

Family

ID=9817729

Family Applications (1)

Application Number Title Priority Date Filing Date
GB661764A Expired GB1074471A (en) 1964-02-18 1964-02-18 Improvements in and relating to chart reading and recording apparatus

Country Status (1)

Country Link
GB (1) GB1074471A (en)

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