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IT1181135B - Enamelling chamber - Google Patents

Enamelling chamber

Info

Publication number
IT1181135B
IT1181135B IT46872/84A IT4687284A IT1181135B IT 1181135 B IT1181135 B IT 1181135B IT 46872/84 A IT46872/84 A IT 46872/84A IT 4687284 A IT4687284 A IT 4687284A IT 1181135 B IT1181135 B IT 1181135B
Authority
IT
Italy
Prior art keywords
block
data
digitised
communication link
circuit
Prior art date
Application number
IT46872/84A
Other languages
Italian (it)
Other versions
IT8446872A0 (en
Inventor
Italo Schenetti
Original Assignee
C I Me S Snc Di Raneri Franchi
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 C I Me S Snc Di Raneri Franchi filed Critical C I Me S Snc Di Raneri Franchi
Priority to IT46872/84A priority Critical patent/IT1181135B/en
Publication of IT8446872A0 publication Critical patent/IT8446872A0/en
Application granted granted Critical
Publication of IT1181135B publication Critical patent/IT1181135B/en

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  • Electric Clocks (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.
IT46872/84A 1984-10-26 1984-10-26 Enamelling chamber IT1181135B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT46872/84A IT1181135B (en) 1984-10-26 1984-10-26 Enamelling chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT46872/84A IT1181135B (en) 1984-10-26 1984-10-26 Enamelling chamber

Publications (2)

Publication Number Publication Date
IT8446872A0 IT8446872A0 (en) 1984-10-26
IT1181135B true IT1181135B (en) 1987-09-23

Family

ID=11260021

Family Applications (1)

Application Number Title Priority Date Filing Date
IT46872/84A IT1181135B (en) 1984-10-26 1984-10-26 Enamelling chamber

Country Status (1)

Country Link
IT (1) IT1181135B (en)

Also Published As

Publication number Publication date
IT8446872A0 (en) 1984-10-26

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951026