GB1339932A - Optical relays - Google Patents

Optical relays

Info

Publication number
GB1339932A
GB1339932A GB3305771A GB3305771A GB1339932A GB 1339932 A GB1339932 A GB 1339932A GB 3305771 A GB3305771 A GB 3305771A GB 3305771 A GB3305771 A GB 3305771A GB 1339932 A GB1339932 A GB 1339932A
Authority
GB
United Kingdom
Prior art keywords
crystal
signal
potentiometer
sawtooth
july
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
GB3305771A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1339932A publication Critical patent/GB1339932A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Lasers (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB3305771A 1970-07-17 1971-07-14 Optical relays Expired GB1339932A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7026420A FR2096934B1 (enExample) 1970-07-17 1970-07-17

Publications (1)

Publication Number Publication Date
GB1339932A true GB1339932A (en) 1973-12-05

Family

ID=9058824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3305771A Expired GB1339932A (en) 1970-07-17 1971-07-14 Optical relays

Country Status (5)

Country Link
JP (1) JPS5322450B1 (enExample)
CA (1) CA953034A (enExample)
DE (1) DE2134877C3 (enExample)
FR (1) FR2096934B1 (enExample)
GB (1) GB1339932A (enExample)

Also Published As

Publication number Publication date
FR2096934A1 (enExample) 1972-03-03
CA953034A (en) 1974-08-13
DE2134877B2 (de) 1978-05-11
JPS5322450B1 (enExample) 1978-07-08
DE2134877C3 (de) 1979-01-04
DE2134877A1 (de) 1972-01-20
FR2096934B1 (enExample) 1975-07-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee