IT1181957B - Automatic injection gun - Google Patents

Automatic injection gun

Info

Publication number
IT1181957B
IT1181957B IT47880/85A IT4788085A IT1181957B IT 1181957 B IT1181957 B IT 1181957B IT 47880/85 A IT47880/85 A IT 47880/85A IT 4788085 A IT4788085 A IT 4788085A IT 1181957 B IT1181957 B IT 1181957B
Authority
IT
Italy
Prior art keywords
block
data
digitised
communication link
automatic injection
Prior art date
Application number
IT47880/85A
Other languages
Italian (it)
Other versions
IT8547880A1 (en
IT8547880A0 (en
Inventor
Onofrio Paolo D
Original Assignee
S I M C A Srl
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
Publication of IT8547880A0 publication Critical patent/IT8547880A0/en
Application filed by S I M C A Srl filed Critical S I M C A Srl
Priority to IT47880/85A priority Critical patent/IT1181957B/en
Publication of IT8547880A1 publication Critical patent/IT8547880A1/en
Application granted granted Critical
Publication of IT1181957B publication Critical patent/IT1181957B/en

Links

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.
IT47880/85A 1985-03-27 1985-03-27 Automatic injection gun IT1181957B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT47880/85A IT1181957B (en) 1985-03-27 1985-03-27 Automatic injection gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47880/85A IT1181957B (en) 1985-03-27 1985-03-27 Automatic injection gun

Publications (3)

Publication Number Publication Date
IT8547880A0 IT8547880A0 (en) 1985-03-26
IT8547880A1 IT8547880A1 (en) 1986-09-27
IT1181957B true IT1181957B (en) 1987-09-30

Family

ID=11263090

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47880/85A IT1181957B (en) 1985-03-27 1985-03-27 Automatic injection gun

Country Status (1)

Country Link
IT (1) IT1181957B (en)

Also Published As

Publication number Publication date
IT8547880A1 (en) 1986-09-27
IT8547880A0 (en) 1985-03-26

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