GB1236886A - Encoder - Google Patents

Encoder

Info

Publication number
GB1236886A
GB1236886A GB47822/69A GB4782269A GB1236886A GB 1236886 A GB1236886 A GB 1236886A GB 47822/69 A GB47822/69 A GB 47822/69A GB 4782269 A GB4782269 A GB 4782269A GB 1236886 A GB1236886 A GB 1236886A
Authority
GB
United Kingdom
Prior art keywords
cells
encoder
moore
reed
sept
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
GB47822/69A
Inventor
Percival Henry Edwar Parkinson
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.)
Control Techniques Dynamics Ltd
Original Assignee
Moore Reed and Company 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 Moore Reed and Company Ltd filed Critical Moore Reed and Company Ltd
Priority to GB47822/69A priority Critical patent/GB1236886A/en
Priority to FR707035247A priority patent/FR2063064B3/fr
Publication of GB1236886A publication Critical patent/GB1236886A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • 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
    • H03M1/22—Analogue/digital converters pattern-reading type

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)

Abstract

1,236,886. Selective signalling. MOORE REED & CO. Ltd. 29 Sept., 1969, No. 47822/69. Heading G4H. In a photoelectric drum or disc encoder in which a stationary slotted mask is positioned between the coded scale and the photo-cells, the total area of the slots or slot associated with each track is the same so that the cells receive equal illumination.
GB47822/69A 1969-09-29 1969-09-29 Encoder Expired GB1236886A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB47822/69A GB1236886A (en) 1969-09-29 1969-09-29 Encoder
FR707035247A FR2063064B3 (en) 1969-09-29 1970-09-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47822/69A GB1236886A (en) 1969-09-29 1969-09-29 Encoder

Publications (1)

Publication Number Publication Date
GB1236886A true GB1236886A (en) 1971-06-23

Family

ID=10446362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47822/69A Expired GB1236886A (en) 1969-09-29 1969-09-29 Encoder

Country Status (2)

Country Link
FR (1) FR2063064B3 (en)
GB (1) GB1236886A (en)

Also Published As

Publication number Publication date
FR2063064A7 (en) 1971-07-02
FR2063064B3 (en) 1973-06-08

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