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IT1181823B - IC engine fuel additive prepn. - Google Patents

IC engine fuel additive prepn.

Info

Publication number
IT1181823B
IT1181823B IT48697/84A IT4869784A IT1181823B IT 1181823 B IT1181823 B IT 1181823B IT 48697/84 A IT48697/84 A IT 48697/84A IT 4869784 A IT4869784 A IT 4869784A IT 1181823 B IT1181823 B IT 1181823B
Authority
IT
Italy
Prior art keywords
block
data
prepn
engine fuel
fuel additive
Prior art date
Application number
IT48697/84A
Other languages
Italian (it)
Other versions
IT8448697A1 (en
IT8448697A0 (en
Inventor
Mario Scifoni
Original Assignee
Mario Scifoni
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 Mario Scifoni filed Critical Mario Scifoni
Priority to IT48697/84A priority Critical patent/IT1181823B/en
Publication of IT8448697A0 publication Critical patent/IT8448697A0/en
Publication of IT8448697A1 publication Critical patent/IT8448697A1/en
Application granted granted Critical
Publication of IT1181823B publication Critical patent/IT1181823B/en

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Landscapes

  • Compression, Expansion, Code Conversion, And Decoders (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.
IT48697/84A 1984-08-06 1984-08-06 IC engine fuel additive prepn. IT1181823B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT48697/84A IT1181823B (en) 1984-08-06 1984-08-06 IC engine fuel additive prepn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48697/84A IT1181823B (en) 1984-08-06 1984-08-06 IC engine fuel additive prepn.

Publications (3)

Publication Number Publication Date
IT8448697A0 IT8448697A0 (en) 1984-08-06
IT8448697A1 IT8448697A1 (en) 1986-02-06
IT1181823B true IT1181823B (en) 1987-09-30

Family

ID=11268102

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48697/84A IT1181823B (en) 1984-08-06 1984-08-06 IC engine fuel additive prepn.

Country Status (1)

Country Link
IT (1) IT1181823B (en)

Also Published As

Publication number Publication date
IT8448697A1 (en) 1986-02-06
IT8448697A0 (en) 1984-08-06

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