IT1218236B - Foamed plastic cell size determn. appts. - Google Patents

Foamed plastic cell size determn. appts.

Info

Publication number
IT1218236B
IT1218236B IT20485/88A IT2048588A IT1218236B IT 1218236 B IT1218236 B IT 1218236B IT 20485/88 A IT20485/88 A IT 20485/88A IT 2048588 A IT2048588 A IT 2048588A IT 1218236 B IT1218236 B IT 1218236B
Authority
IT
Italy
Prior art keywords
rotation
current
determn
appts
cell size
Prior art date
Application number
IT20485/88A
Other languages
Italian (it)
Other versions
IT8820485A0 (en
Inventor
Carlo Fiorentini
Original Assignee
Aeros S P A
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 Aeros S P A filed Critical Aeros S P A
Priority to IT20485/88A priority Critical patent/IT1218236B/en
Publication of IT8820485A0 publication Critical patent/IT8820485A0/en
Application granted granted Critical
Publication of IT1218236B publication Critical patent/IT1218236B/en

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  • Details Of Television Scanning (AREA)

Abstract

In a telecine chain, the scanning raster is rotated by applying a magnetic field perpendicular to the axis of the electron beam, and the distortion introduced by such rotation is compensated for. A rotate coil is located about the scanning tube the coil formed so that current passing through it induces the magnetic field and thus effects the rotation of the raster. The degree of rotation is within limits dependent on the current, and the direction of rotation is dependent on the direction of current flow. There is pref. an Absolute Angle Generator which has an input common with the input which controls the current through the Rotate Coil and which provides outputs for the compensation functions. Focus compensation is effected by applying a stimulus to the focus system which is based on the degree of rotation being effected.
IT20485/88A 1988-05-06 1988-05-06 Foamed plastic cell size determn. appts. IT1218236B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT20485/88A IT1218236B (en) 1988-05-06 1988-05-06 Foamed plastic cell size determn. appts.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20485/88A IT1218236B (en) 1988-05-06 1988-05-06 Foamed plastic cell size determn. appts.

Publications (2)

Publication Number Publication Date
IT8820485A0 IT8820485A0 (en) 1988-05-06
IT1218236B true IT1218236B (en) 1990-04-12

Family

ID=11167660

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20485/88A IT1218236B (en) 1988-05-06 1988-05-06 Foamed plastic cell size determn. appts.

Country Status (1)

Country Link
IT (1) IT1218236B (en)

Also Published As

Publication number Publication date
IT8820485A0 (en) 1988-05-06

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