GB1395968A - Television cameras - Google Patents

Television cameras

Info

Publication number
GB1395968A
GB1395968A GB5267372A GB5267372A GB1395968A GB 1395968 A GB1395968 A GB 1395968A GB 5267372 A GB5267372 A GB 5267372A GB 5267372 A GB5267372 A GB 5267372A GB 1395968 A GB1395968 A GB 1395968A
Authority
GB
United Kingdom
Prior art keywords
zoom lens
optical assembly
compensation unit
signal
setting
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
GB5267372A
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.)
Rank Organization Ltd
Original Assignee
Rank Organization 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 Rank Organization Ltd filed Critical Rank Organization Ltd
Priority to GB5267372A priority Critical patent/GB1395968A/en
Priority to NL7313769A priority patent/NL7313769A/xx
Priority to FR7339774A priority patent/FR2206521B3/fr
Priority to JP48127415A priority patent/JPS4982224A/ja
Priority to DE2357124A priority patent/DE2357124A1/de
Publication of GB1395968A publication Critical patent/GB1395968A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Color Television Image Signal Generators (AREA)
GB5267372A 1972-11-15 1972-11-15 Television cameras Expired GB1395968A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB5267372A GB1395968A (en) 1972-11-15 1972-11-15 Television cameras
NL7313769A NL7313769A (enrdf_load_stackoverflow) 1972-11-15 1973-10-08
FR7339774A FR2206521B3 (enrdf_load_stackoverflow) 1972-11-15 1973-11-08
JP48127415A JPS4982224A (enrdf_load_stackoverflow) 1972-11-15 1973-11-14
DE2357124A DE2357124A1 (de) 1972-11-15 1973-11-15 Fernsehkamera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5267372A GB1395968A (en) 1972-11-15 1972-11-15 Television cameras

Publications (1)

Publication Number Publication Date
GB1395968A true GB1395968A (en) 1975-05-29

Family

ID=10464831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5267372A Expired GB1395968A (en) 1972-11-15 1972-11-15 Television cameras

Country Status (5)

Country Link
JP (1) JPS4982224A (enrdf_load_stackoverflow)
DE (1) DE2357124A1 (enrdf_load_stackoverflow)
FR (1) FR2206521B3 (enrdf_load_stackoverflow)
GB (1) GB1395968A (enrdf_load_stackoverflow)
NL (1) NL7313769A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126824A (en) * 1982-09-09 1984-03-28 Link Electronics Ltd Camera tube compensation for variations of camera lens focal length

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126824A (en) * 1982-09-09 1984-03-28 Link Electronics Ltd Camera tube compensation for variations of camera lens focal length

Also Published As

Publication number Publication date
FR2206521B3 (enrdf_load_stackoverflow) 1976-09-24
FR2206521A1 (enrdf_load_stackoverflow) 1974-06-07
NL7313769A (enrdf_load_stackoverflow) 1974-05-17
JPS4982224A (enrdf_load_stackoverflow) 1974-08-08
DE2357124A1 (de) 1974-05-22

Similar Documents

Publication Publication Date Title
US2692333A (en) Wave shaping circuit
US2627547A (en) Gamma control
US3872499A (en) Television picture correction
US2972012A (en) Photoelectric unsharp masking apparatus
US3846628A (en) Sensitivity balancing apparatus for photo responsive detecting circuits
GB1182934A (en) An Improved Photographic Exposure Meter.
US3002048A (en) Stabilized image scanner
GB1395968A (en) Television cameras
US3934266A (en) Dark current correction circuit in two-tube color television camera
GB1057253A (en) Improvements relating to television camera arrangements
US4037234A (en) Exposure control system stabilized against temperature variation
US3876824A (en) Density measuring apparatus
US2965712A (en) Automatic sensitivity control for television camera tubes
SU1306491A3 (ru) Устройство обработки видеосигнала
US2775654A (en) Circuit for adjusting amplitude distortion
JPS5764204A (en) Automatic focus controller
US3504971A (en) Exposure control for color printers
US4106035A (en) Photometric circuit
US4180310A (en) Photometric circuit
US2956113A (en) Circuit arrangement for multiplying functions in the form of electrical signals
JPS5848587A (ja) 自動合焦装置
US2808453A (en) Color correction systems
US4367022A (en) Exposure control circuit for camera of TTL reflective photometry type
JPS6032484A (ja) 撮像装置
GB841125A (en) Electronic previewer for negative color film

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees