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IT1181013B - Cloth winding machine - Google Patents

Cloth winding machine

Info

Publication number
IT1181013B
IT1181013B IT41631/84A IT4163184A IT1181013B IT 1181013 B IT1181013 B IT 1181013B IT 41631/84 A IT41631/84 A IT 41631/84A IT 4163184 A IT4163184 A IT 4163184A IT 1181013 B IT1181013 B IT 1181013B
Authority
IT
Italy
Prior art keywords
block
data
digitised
communication link
winding machine
Prior art date
Application number
IT41631/84A
Other languages
Italian (it)
Other versions
IT8441631A1 (en
IT8441631A0 (en
Inventor
Francesco Vittorio Guion
Original Assignee
Francesco Vittorio Guion
Gallo Adriano
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 Francesco Vittorio Guion, Gallo Adriano filed Critical Francesco Vittorio Guion
Priority to IT41631/84A priority Critical patent/IT1181013B/en
Publication of IT8441631A0 publication Critical patent/IT8441631A0/en
Publication of IT8441631A1 publication Critical patent/IT8441631A1/en
Application granted granted Critical
Publication of IT1181013B publication Critical patent/IT1181013B/en

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  • Prepayment Telephone Systems (AREA)

Abstract

The data reduction apparatus is used in a system where speech signals, e.g. between telephones, are digitised in a circuit and later reconverted. Successive blocks of digitised data, e.g. 16m seconds thereof, are compared with each other in the frequency domain in a comparator. The conversion is effected in a circuit block. If one block is similar to its predecessor within pre-set limits, that block is not sent to the output, and instead a control signal is passed to the communication link to instruct a store to repeat the previous block at the other end of the communication link. Thus only critical data blocks are transmitted and the data rate is reduced.
IT41631/84A 1984-09-21 1984-09-21 Cloth winding machine IT1181013B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT41631/84A IT1181013B (en) 1984-09-21 1984-09-21 Cloth winding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT41631/84A IT1181013B (en) 1984-09-21 1984-09-21 Cloth winding machine

Publications (3)

Publication Number Publication Date
IT8441631A0 IT8441631A0 (en) 1984-09-21
IT8441631A1 IT8441631A1 (en) 1986-03-21
IT1181013B true IT1181013B (en) 1987-09-23

Family

ID=11252264

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41631/84A IT1181013B (en) 1984-09-21 1984-09-21 Cloth winding machine

Country Status (1)

Country Link
IT (1) IT1181013B (en)

Also Published As

Publication number Publication date
IT8441631A1 (en) 1986-03-21
IT8441631A0 (en) 1984-09-21

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