DE3530224A1 - Code conversion for the conversion of a four-field code into decimal one-out-of-ten code - Google Patents
Code conversion for the conversion of a four-field code into decimal one-out-of-ten codeInfo
- Publication number
- DE3530224A1 DE3530224A1 DE19853530224 DE3530224A DE3530224A1 DE 3530224 A1 DE3530224 A1 DE 3530224A1 DE 19853530224 DE19853530224 DE 19853530224 DE 3530224 A DE3530224 A DE 3530224A DE 3530224 A1 DE3530224 A1 DE 3530224A1
- Authority
- DE
- Germany
- Prior art keywords
- code
- circuit
- field
- decimal
- fields
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/14—Conversion to or from non-weighted codes
- H03M7/20—Conversion to or from n-out-of-m codes
- H03M7/22—Conversion to or from n-out-of-m codes to or from one-out-of-m codes
Abstract
Description
Gegenstand der Erfindung ist eine Umcodierschaltung für die Umcodierung von Spezial-4-Feld-codierten Dezimalziffern in dezimal-1-aus-10-codierte Dezimalziffern. Im Vergleich mit dem 4-Feld-Code nach der Haupt-Patent-Anmeldung hat der vorliegende 4-Feld-Code für die Ziffer 0 nicht die Codierung L L L L sondern die Codierung H L L H. Auch diese Umcodier- Schaltung hat keine Und-Schaltungen mit 4 Eingängen, sondern nur Und-Schaltungen mit 2 Eingängen. Außerdem hat diese Umcodierschaltung nur eine Oder-Schaltung mit 6 Eingängen und nur eine Negier-Schaltung.The invention relates to a recoding circuit for the Recoding of special 4-field coded decimal digits into decimal 1 out of 10 coded decimal digits. In comparison with the 4-field code according to the main patent application has the present 4-field code for the digit 0 not the coding L L L L but the coding H L L H. These transcoding Circuit does not have AND circuits with 4 inputs, but only AND circuits with 2 inputs. It also has a recoding circuit only one OR circuit with 6 inputs and just a negation circuit.
In Fig. 1 ist der Dezimal-1-aus-10-Code dargestellt und in Fig. 2 der 4-Feld-Code. In Fig. 3 ist die Umcodierschaltung 4 E - 10 A dargestellt. In Fig. 4 ist die gegenläufige Umcodierschaltung 10 E - 4 A dargestellt.In Fig. 1, the decimal 1-of-10 code is illustrated in Fig. 2 of the 4-field code. In Fig. 3, the recoding circuit 4 E - 10 A is shown. In FIG. 4, the opposite is Umcodierschaltung 10 E - 4 A shown.
Die in Fig. 3 dargestellte Umcodierschaltung 4 E 10 A besteht aus 10 Und-Schaltungen 1 bis 10 mit je 2 Eingängen und der Oder-Schaltung 11 mit 6 Eingängen und der Negier-Schaltung 12 und den zugehörigen Leitungen. Die Eingänge M sind mit den Buchstaben A bis D gekennzeichnet. Die Ausgänge N sind mit den zugehörigen Zahlenwerten (Ziffern 0 bis 9) gekennzeichnet.The recoding circuit 4 E 10 A shown in FIG. 3 consists of 10 AND circuits 1 to 10 with 2 inputs each and the OR circuit 11 with 6 inputs and the negation circuit 12 and the associated lines. The inputs M are marked with the letters A to D. The outputs N are marked with the associated numerical values (digits 0 to 9).
Die in Fig. 4 dargestellte gegenläufige Umcodierschaltung 10 E - 4 A besteht aus 4 Oder-Schaltungen 31 bis 34 mit je 4 Eingängen und den zugehörigen Leitungen. Die Eingänge M sind mit den zugehörigen Zahlenwerten (Ziffern 0 bis) 9 gekennzeichnet. Die Ausgänge N sind mit den Buchstaben A bis D gekennzeichnet. The countercoding recoding circuit 10 E - 4 A shown in FIG. 4 consists of 4 OR circuits 31 to 34 , each with 4 inputs and the associated lines. The inputs M are marked with the associated numerical values (digits 0 to) 9. The outputs N are marked with the letters A to D.
Mit der in Fig. 3 dargestellten Umcodierschaltung 4 E - 10 A werden Dezimalziffern von dem in Fig. 2 dargestellten 4-Feld-Code in den in Fig. 1 dargestellten 10-Feld-Code umgewandelt. Die Wirkungsweise dieser Umcodierschaltung ergibt sich aus folgender Tabelle: With the recoding circuit 4 E - 10 A shown in FIG. 3, decimal digits are converted from the 4-field code shown in FIG. 2 into the 10-field code shown in FIG. 1. The mode of operation of this recoding circuit is shown in the following table:
Mit der in Fig. 4 dargestellten Umcodierschaltung 10 E - 4 A werden Dezimalziffern von dem in Fig. 1 dargestellten 10-Feld-Code in den in Fig. 2 dargestellten 4-Feld-Code umgewandelt. Die Wirkungsweise dieser Umcodierschaltung ergibt sich aus folgender Tabelle: The recoding circuit 10 E - 4 A shown in FIG. 4 converts decimal digits from the 10-field code shown in FIG. 1 to the 4-field code shown in FIG. 2. The mode of operation of this recoding circuit is shown in the following table:
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853530224 DE3530224A1 (en) | 1985-08-14 | 1985-08-23 | Code conversion for the conversion of a four-field code into decimal one-out-of-ten code |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853529224 DE3529224A1 (en) | 1985-08-14 | 1985-08-14 | Code-converting circuit for translating from a 4-field code into decimal 1-out-of-10 code |
DE19853530224 DE3530224A1 (en) | 1985-08-14 | 1985-08-23 | Code conversion for the conversion of a four-field code into decimal one-out-of-ten code |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3530224A1 true DE3530224A1 (en) | 1987-05-14 |
Family
ID=25835065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853530224 Ceased DE3530224A1 (en) | 1985-08-14 | 1985-08-23 | Code conversion for the conversion of a four-field code into decimal one-out-of-ten code |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3530224A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003083761A1 (en) * | 2002-03-28 | 2003-10-09 | Siemens Aktiengesellschaft | Method for coding a sequence of data bytes, especially for transferring via an air interface |
-
1985
- 1985-08-23 DE DE19853530224 patent/DE3530224A1/en not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003083761A1 (en) * | 2002-03-28 | 2003-10-09 | Siemens Aktiengesellschaft | Method for coding a sequence of data bytes, especially for transferring via an air interface |
US6833798B2 (en) | 2002-03-28 | 2004-12-21 | Siemens Aktiengesellschaft | Method for coding a sequence of data bytes via an air interface |
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