IT1181041B - Thermoplastics injection moulder closing system - Google Patents
Thermoplastics injection moulder closing systemInfo
- Publication number
- IT1181041B IT1181041B IT41671/84A IT4167184A IT1181041B IT 1181041 B IT1181041 B IT 1181041B IT 41671/84 A IT41671/84 A IT 41671/84A IT 4167184 A IT4167184 A IT 4167184A IT 1181041 B IT1181041 B IT 1181041B
- Authority
- IT
- Italy
- Prior art keywords
- block
- data
- closing system
- digitised
- communication link
- Prior art date
Links
Landscapes
- Transmission Systems Not Characterized By The Medium Used For Transmission (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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT41671/84A IT1181041B (en) | 1984-12-06 | 1984-12-06 | Thermoplastics injection moulder closing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT41671/84A IT1181041B (en) | 1984-12-06 | 1984-12-06 | Thermoplastics injection moulder closing system |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8441671A0 IT8441671A0 (en) | 1984-12-06 |
IT8441671A1 IT8441671A1 (en) | 1986-06-06 |
IT1181041B true IT1181041B (en) | 1987-09-23 |
Family
ID=11252821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT41671/84A IT1181041B (en) | 1984-12-06 | 1984-12-06 | Thermoplastics injection moulder closing system |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1181041B (en) |
-
1984
- 1984-12-06 IT IT41671/84A patent/IT1181041B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8441671A1 (en) | 1986-06-06 |
IT8441671A0 (en) | 1984-12-06 |
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