FR1173920A - Dispositif pour contrôler l'écrêtage des signaux - Google Patents

Dispositif pour contrôler l'écrêtage des signaux

Info

Publication number
FR1173920A
FR1173920A FR1173920DA FR1173920A FR 1173920 A FR1173920 A FR 1173920A FR 1173920D A FR1173920D A FR 1173920DA FR 1173920 A FR1173920 A FR 1173920A
Authority
FR
France
Prior art keywords
controlling signal
signal clipping
clipping
controlling
signal
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
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1173920A publication Critical patent/FR1173920A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/02—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general by means of diodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/162—Quantising the image signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/04—Limiting level dependent on strength of signal; Limiting level dependent on strength of carrier on which signal is modulated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Control Of El Displays (AREA)
FR1173920D 1955-11-30 1956-11-27 Dispositif pour contrôler l'écrêtage des signaux Expired FR1173920A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US550024A US2944217A (en) 1955-11-30 1955-11-30 Signal translating apparatus

Publications (1)

Publication Number Publication Date
FR1173920A true FR1173920A (fr) 1959-03-04

Family

ID=24195418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1173920D Expired FR1173920A (fr) 1955-11-30 1956-11-27 Dispositif pour contrôler l'écrêtage des signaux

Country Status (4)

Country Link
US (1) US2944217A (fr)
DE (1) DE1174548B (fr)
FR (1) FR1173920A (fr)
GB (1) GB843946A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE620410A (fr) * 1961-07-31 1900-01-01
NL300530A (fr) * 1962-11-15 1900-01-01
US3248658A (en) * 1963-03-14 1966-04-26 Ibm Detector for information signals having an extremely low signal-to-noise ratio
US3311834A (en) * 1963-11-13 1967-03-28 Monsanto Co Time proportioning control circuits
US3426210A (en) * 1965-12-22 1969-02-04 Rca Corp Control circuit for automatically quantizing signals at desired levels
DE2054961C3 (de) * 1970-11-09 1982-08-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur Abtastung von optisch feststellbaren Markierungen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469860A (en) * 1944-12-08 1949-05-10 Gen Electric Control device
US2495826A (en) * 1946-09-18 1950-01-31 Rca Corp Locking and control circuit in a diversity telegraphy receiver
US2709716A (en) * 1948-10-19 1955-05-31 George L Haller Contrast enhancing aerial photography
FR998120A (fr) * 1948-10-22 1952-01-16
US2497693A (en) * 1949-02-16 1950-02-14 Gen Electric Bilateral clipper circuit
US2711494A (en) * 1951-10-16 1955-06-21 Everett C Westerfield Signal-averaging electronic circuit
US2675473A (en) * 1951-12-17 1954-04-13 Ibm Limiting circuit

Also Published As

Publication number Publication date
DE1174548B (de) 1964-07-23
US2944217A (en) 1960-07-05
GB843946A (en) 1960-08-10

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