GB1492582A - Camera tube circuit - Google Patents

Camera tube circuit

Info

Publication number
GB1492582A
GB1492582A GB38657/74A GB3865774A GB1492582A GB 1492582 A GB1492582 A GB 1492582A GB 38657/74 A GB38657/74 A GB 38657/74A GB 3865774 A GB3865774 A GB 3865774A GB 1492582 A GB1492582 A GB 1492582A
Authority
GB
United Kingdom
Prior art keywords
signal
potential
voltage
during
period
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
GB38657/74A
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 GB1492582A publication Critical patent/GB1492582A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/40—Circuit details for pick-up tubes
    • H04N23/41—Beam current control
    • H04N23/43—Beam current control during retrace periods, e.g. circuits for ACT tubes or leg suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB38657/74A 1973-09-07 1974-09-04 Camera tube circuit Expired GB1492582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7312332A NL7312332A (nl) 1973-09-07 1973-09-07 Schakeling geschikt voor toepassing bij een televisieopneembuis die is voorzien van een anti-komeetstaart elektronenkanon.

Publications (1)

Publication Number Publication Date
GB1492582A true GB1492582A (en) 1977-11-23

Family

ID=19819542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38657/74A Expired GB1492582A (en) 1973-09-07 1974-09-04 Camera tube circuit

Country Status (14)

Country Link
US (1) US3955116A (enExample)
JP (1) JPS5427209B2 (enExample)
AT (1) AT337276B (enExample)
BE (1) BE819652A (enExample)
BR (1) BR7407387D0 (enExample)
CA (1) CA1023841A (enExample)
DE (1) DE2442201C3 (enExample)
DK (1) DK467974A (enExample)
ES (1) ES429776A1 (enExample)
FR (1) FR2243570B1 (enExample)
GB (1) GB1492582A (enExample)
IT (1) IT1020720B (enExample)
NL (1) NL7312332A (enExample)
ZA (1) ZA745533B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1537591A (en) * 1976-02-24 1979-01-04 Marconi Co Ltd Television camera tube arrangements
US4166281A (en) * 1976-12-13 1979-08-28 Rca Corporation Video image highlight suppression circuit with delayed compensation
US4190865A (en) * 1976-12-13 1980-02-26 Rca Corporation Video image tube highlight suppression circuit
US4379310A (en) * 1977-03-21 1983-04-05 Rca Corporation Image tube suppression circuit
US4385323A (en) * 1977-06-02 1983-05-24 Ampex Corporation Camera pickup tube circuit for automatically suppressing excessive highlights in response to their occurrence
US4237491A (en) * 1979-03-21 1980-12-02 Rca Corporation Television camera highlight discharge apparatus
US4540919A (en) * 1982-01-08 1985-09-10 Ampex Corporation Method and apparatus for automatically controlling highlight effects
NL8200669A (nl) * 1982-02-19 1983-09-16 Philips Nv Televisiekamera voorzien van een voorversterker.
US4506292A (en) * 1982-06-14 1985-03-19 Motorola, Inc. Video driver circuit and method for automatic gray scale adjustment and elimination of contrast tracking errors
JPS59143239A (ja) * 1983-02-03 1984-08-16 Mitsubishi Electric Corp 陰極線管の製造方法
US4593235A (en) * 1983-08-29 1986-06-03 Panavision, Inc. Apparatus and method for eliminating video shading ears
US4638355A (en) * 1984-11-27 1987-01-20 Elscint Ltd. System and methods for improving video camera performance
NL8502970A (nl) * 1985-10-30 1987-05-18 Optische Ind De Oude Delft Nv Werkwijze voor het met een televisie-opneembuis verwerken van beeldinformatie met een groot dynamisch bereik, alsmede inrichting voor toepassing van de werkwijze.
EP1543679A1 (en) * 2002-09-18 2005-06-22 Koninklijke Philips Electronics N.V. Beam current measurement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL160428C (nl) * 1968-02-13 1979-10-15 Philips Nv Beeldopneeminrichting met een beeldopneembuis en beeldop- neembuis voor een dergelijke inrichting.
US3644669A (en) * 1970-05-15 1972-02-22 Motorola Inc Automatic beam intensity limiter with a current transformer coupled to the ultor lead

Also Published As

Publication number Publication date
ES429776A1 (es) 1977-05-01
US3955116A (en) 1976-05-04
ZA745533B (en) 1976-04-28
DE2442201C3 (de) 1978-09-07
JPS5057119A (enExample) 1975-05-19
ATA712874A (de) 1976-10-15
DK467974A (enExample) 1975-05-05
DE2442201B2 (de) 1978-01-05
FR2243570B1 (enExample) 1977-10-28
DE2442201A1 (de) 1975-03-13
JPS5427209B2 (enExample) 1979-09-08
CA1023841A (en) 1978-01-03
BR7407387D0 (pt) 1975-09-09
AT337276B (de) 1977-06-27
FR2243570A1 (enExample) 1975-04-04
AU7287974A (en) 1976-03-04
BE819652A (fr) 1975-03-06
IT1020720B (it) 1977-12-30
NL7312332A (nl) 1975-03-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee