GB1110349A - Improvements in or relating to an image-orthicon television pickup tube - Google Patents

Improvements in or relating to an image-orthicon television pickup tube

Info

Publication number
GB1110349A
GB1110349A GB3679966A GB3679966A GB1110349A GB 1110349 A GB1110349 A GB 1110349A GB 3679966 A GB3679966 A GB 3679966A GB 3679966 A GB3679966 A GB 3679966A GB 1110349 A GB1110349 A GB 1110349A
Authority
GB
United Kingdom
Prior art keywords
electrode
image
mesh
jig
aug
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
GB3679966A
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Publication of GB1110349A publication Critical patent/GB1110349A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/08—Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted or stored, e.g. backing-plates for storage tubes or collecting secondary electrons

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Abstract

1,110,349. Image pick-up tubes. FERNSEH G.m.b.H. 17 Aug., 1966 [17 Aug., 1965], No. 36799/66. Heading H1D. [Also in Division B3] An image orthicon television pick-up tube includes a mesh electrode closely juxtaposed to a storage target wherein said mesh electrode is locally distorted to touch said target at a plurality of positions outside the useful area to reduce or eliminate microphony due to oscillation of the said electrode relative to the storage target. In an embodiment, an electrolytically produced copper gauze stretched tightly over a mounting ring by tempering in an oven, is held in a jig and the depressions in the mesh formed by a spike or peg allowed to fall under gravity through spaced apertures in the jig. Four deformations are specifically disclosed at a distance <SP>2</SP>/ 3 R from the mesh electrode centre, R being the electrode diameter.
GB3679966A 1965-08-17 1966-08-17 Improvements in or relating to an image-orthicon television pickup tube Expired GB1110349A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965F0046925 DE1237168B (en) 1965-08-17 1965-08-17 Process and device for the production of microphone-free storage electrodes for super-orthicon tubes

Publications (1)

Publication Number Publication Date
GB1110349A true GB1110349A (en) 1968-04-18

Family

ID=7101320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3679966A Expired GB1110349A (en) 1965-08-17 1966-08-17 Improvements in or relating to an image-orthicon television pickup tube

Country Status (2)

Country Link
DE (1) DE1237168B (en)
GB (1) GB1110349A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946265A (en) * 1969-09-17 1976-03-23 U.S. Philips Corporation Vidicon with grid wire angles selected to minimize chrominance signal interference

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB851757A (en) * 1957-11-28 1960-10-19 English Electric Valve Co Ltd Improvements in or relating to cathode ray tubes
NL255178A (en) * 1959-08-27

Also Published As

Publication number Publication date
DE1237168B (en) 1967-03-23

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