IT1181579B - Forging machine hammers control system - Google Patents

Forging machine hammers control system

Info

Publication number
IT1181579B
IT1181579B IT85645/84A IT8564584A IT1181579B IT 1181579 B IT1181579 B IT 1181579B IT 85645/84 A IT85645/84 A IT 85645/84A IT 8564584 A IT8564584 A IT 8564584A IT 1181579 B IT1181579 B IT 1181579B
Authority
IT
Italy
Prior art keywords
block
data
control system
forging machine
digitised
Prior art date
Application number
IT85645/84A
Other languages
Italian (it)
Other versions
IT8485645A0 (en
Inventor
Michele Rinaldi
Original Assignee
F D V
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 F D V filed Critical F D V
Priority to IT85645/84A priority Critical patent/IT1181579B/en
Publication of IT8485645A0 publication Critical patent/IT8485645A0/en
Application granted granted Critical
Publication of IT1181579B publication Critical patent/IT1181579B/en

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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.
IT85645/84A 1984-10-10 1984-10-10 Forging machine hammers control system IT1181579B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT85645/84A IT1181579B (en) 1984-10-10 1984-10-10 Forging machine hammers control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT85645/84A IT1181579B (en) 1984-10-10 1984-10-10 Forging machine hammers control system

Publications (2)

Publication Number Publication Date
IT8485645A0 IT8485645A0 (en) 1984-10-10
IT1181579B true IT1181579B (en) 1987-09-30

Family

ID=11329498

Family Applications (1)

Application Number Title Priority Date Filing Date
IT85645/84A IT1181579B (en) 1984-10-10 1984-10-10 Forging machine hammers control system

Country Status (1)

Country Link
IT (1) IT1181579B (en)

Also Published As

Publication number Publication date
IT8485645A0 (en) 1984-10-10

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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: 19961028