FR837823A - Improvements to the assemblies used to obtain sawtooth current curves, for trapezoidal exploration by cathode rays - Google Patents

Improvements to the assemblies used to obtain sawtooth current curves, for trapezoidal exploration by cathode rays

Info

Publication number
FR837823A
FR837823A FR837823DA FR837823A FR 837823 A FR837823 A FR 837823A FR 837823D A FR837823D A FR 837823DA FR 837823 A FR837823 A FR 837823A
Authority
FR
France
Prior art keywords
exploration
trapezoidal
assemblies used
current curves
sawtooth current
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
Other languages
French (fr)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR837823A publication Critical patent/FR837823A/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
    • H04N3/237—Distortion correction, e.g. for pincushion distortion correction, S-correction using passive elements, e.g. diodes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Details Of Television Scanning (AREA)
FR837823D 1935-10-29 1938-05-11 Improvements to the assemblies used to obtain sawtooth current curves, for trapezoidal exploration by cathode rays Expired FR837823A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET45919D DE756012C (en) 1935-10-29 1935-10-29 Circuit arrangement for generating line saw tooth current curves for a trapezoidal deflection

Publications (1)

Publication Number Publication Date
FR837823A true FR837823A (en) 1939-02-21

Family

ID=25944448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837823D Expired FR837823A (en) 1935-10-29 1938-05-11 Improvements to the assemblies used to obtain sawtooth current curves, for trapezoidal exploration by cathode rays

Country Status (5)

Country Link
US (1) US2227480A (en)
DE (3) DE756012C (en)
FR (1) FR837823A (en)
GB (2) GB483999A (en)
NL (1) NL49156C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571131A (en) * 1946-01-21 1951-10-16 Farnsworth Res Corp Sweep circuit
US2543428A (en) * 1947-02-25 1951-02-27 Rca Corp Direct-current transfer system
NL148552C (en) * 1948-09-21
US3015741A (en) * 1959-06-22 1962-01-02 Gen Dynamics Corp Pulse shaping circuitry

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21400E (en) * 1932-04-04 1940-03-19 blumlein
US2040813A (en) * 1932-09-30 1936-05-12 Rca Corp Television system
GB443952A (en) * 1934-07-04 1936-03-04 Michael Bowman Manifold Improvements in and relating to electrical circuits for the deflection of cathode ray beams

Also Published As

Publication number Publication date
NL49156C (en) 1940-09-16
DE756012C (en) 1953-03-16
DE893347C (en) 1953-10-15
US2227480A (en) 1941-01-07
DE909105C (en) 1954-04-12
GB483999A (en) 1938-04-28
GB526032A (en) 1940-09-10

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