DE3700312A1 - Code conversion circuit to convert decimal digits from 5211 code to 1-out-of-10 code - Google Patents

Code conversion circuit to convert decimal digits from 5211 code to 1-out-of-10 code

Info

Publication number
DE3700312A1
DE3700312A1 DE19873700312 DE3700312A DE3700312A1 DE 3700312 A1 DE3700312 A1 DE 3700312A1 DE 19873700312 DE19873700312 DE 19873700312 DE 3700312 A DE3700312 A DE 3700312A DE 3700312 A1 DE3700312 A1 DE 3700312A1
Authority
DE
Germany
Prior art keywords
circuit
code
conversion circuit
recoding
transcoding
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.)
Withdrawn
Application number
DE19873700312
Other languages
German (de)
Inventor
Paul Merkle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19873700312 priority Critical patent/DE3700312A1/en
Publication of DE3700312A1 publication Critical patent/DE3700312A1/en
Withdrawn legal-status Critical Current

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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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Logic Circuits (AREA)

Abstract

The code conversion circuit according to the subject of the invention is a three-part code conversion circuit, which consists of a 5211 to 51111 code conversion circuit (10), a 51111 to 54321 code conversion circuit (20), and a 54321 to 1-out-of-10 code conversion circuit (30). The 5211 to 51111 code conversion circuit (10) is extremely simple. <IMAGE>

Description

Gegenstand der Erfindung ist eine Umcodierschaltung, welche 5211-codierte Dezimalziffern in 1-aus-10-codierte Dezimal- Ziffern umwandelt und aus einer 5211/51 111-Umcodierschaltung und einer 51 111/42 321-Umcodierschaltung und einer 54 321/1- aus-10-Umcodierschaltung besteht.The invention relates to a recoding circuit, which 5211-encoded decimal digits in 1-out of 10-encoded decimal digits Converted digits and from a 5211/51 111 recoding circuit and a 51 111/42 321 recoding circuit and a 54 321/1 consists of 10 recoding circuit.

Diese 5211/1-aus-10-Umcodierschaltung ist in Fig. 1 darge­ stellt.This 5211/1 out of 10 recoding circuit is shown in FIG. 1.

Diese 5211/1-aus-10-Umcodierschaltung besteht aus einer 5211/ 51 111-Umcodierschaltung 10 und der 51 111/54 321-Umcodier­ schaltung 20 und der 54 321/1-aus-10-Umcodierschaltung 30. Die 5211/51 111-Umcodierschaltung (Teil-Schaltung 10) besteht aus der Oder-Schaltung 1 mit 2 Eingängen und der Und-Schalt­ ung 2 mit 2 Eingängen. Die 51 111/54 321-Umcodierschaltung 20 (Teil-Schaltung 20) besteht aus 3 Und-Schaltungen 3 mit je 2 Eingängen und 3 Negier-Schaltungen 4. Die 54 321/1-aus-10- Umcodierschaltung 30 (Teil-Schaltung 30) besteht aus 10 Und-Schaltungen 5 mit je 2 Eingängen und der Negierschaltung 6 und der Negier-Schaltung 7.This 5211/1 out of 10 transcoding circuit consists of a 5211/51 111 transcoding circuit 10 and the 51 111/54 321 transcoding circuit 20 and the 54 321/1 out of 10 transcoding circuit 30 . The 5211/51 111 recoding circuit (subcircuit 10 ) consists of the OR circuit 1 with 2 inputs and the AND circuit 2 with 2 inputs. The 51 111/54 321 recoding circuit 20 (subcircuit 20 ) consists of 3 AND circuits 3 , each with 2 inputs and 3 negation circuits 4 . The 54 321/1 out of 10 recoding circuit 30 (subcircuit 30 ) consists of 10 AND circuits 5 , each with 2 inputs, and the negating circuit 6 and the negating circuit 7 .

Die Eingänge haben die Bezeichnungen A 1 bis A 4. Die Aus­ gänge D sind mit den zugehörigen Zahlenwerten (Ziffern 0 bis 9) gekennzeichnet. Die Eingänge A 1 und A 2 haben die Wertig­ keit 1. Der Eingang A 3 hat die Wertigkeit 2. Der Eingang A 4 hat die Wertigkeit 5.The inputs have the designations A 1 to A 4 . The outputs D are marked with the associated numerical values (digits 0 to 9 ). The inputs A 1 and A 2 have the value 1. The input A 3 has the value 2. The input A 4 has the value 5.

Claims (5)

1. Umcodierschaltung für die Umcodierung von Dezimalziffern vom 5211-Code in den 1-aus-10-Code, dadurch gekenn­ zeichnet, daß sie aus einer 5211/51 111-Umcodierschalt­ ung (Teil-Schaltung 10) und einer 51 111/54 321-Umcodier- Schaltung (Teil-Schaltung 20) und einer 54 321/1-aus-10- Umcodierschaltung (Teil-Schaltung 30) besteht.1. transcoding circuit for transcoding decimal digits from the 5211 code to the 1-out-of-10 code, characterized in that it consists of a 5211/51 111 recoding circuit (subcircuit 10 ) and a 51 111/54 321 -Recoding circuit (sub-circuit 20 ) and a 54 321/1-of-10 recoding circuit (sub-circuit 30 ). 2. Umcodierschaltung nach Anspruch 1, dadurch gekennzeich­ net, daß die 5211/51 111-Umcodierschaltung (Teil-Schalt­ ung 10) nur aus einer Oder-Schaltung (1) mit 2 Eingängen und einer Und-Schaltung (2) mit zwei Eingängen besteht.2. transcoding circuit according to claim 1, characterized in that the 5211/51 111 recoding circuit (partial circuit ung 10 ) consists only of an OR circuit ( 1 ) with 2 inputs and an AND circuit ( 2 ) with two inputs . 3. Umcodierschaltung nach Anspruch 1 oder nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die 51 111/54 321- Umcodierschaltung (Teil-Schaltung 20) nur aus 3 Und- Schaltungen (3) mit je 2 Eingängen und 3 Negier-Schalt­ ungen (4) besteht.3. recoding circuit according to claim 1 or according to claim 1 and 2, characterized in that the 51 111/54 321 recoding circuit (sub-circuit 20 ) only from 3 AND circuits ( 3 ) each with 2 inputs and 3 negating circuit connections ( 4 ) exists. 4. Umcodierschaltung nach Anspruch 1 oder nach Anspruch 1 und 2 oder nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die 54 321/1-aus-10-Umcodierschaltung (Teilschaltung 30) nur aus 10 Und-Schaltungen (5) mit je 2 Eingängen und 2 Negier-Schaltungen (6 und 7) besteht.4. transcoding circuit according to claim 1 or according to claim 1 and 2 or according to claim 1 to 3, characterized in that the 54 321/1 out of 10 transcoding circuit (subcircuit 30 ) only from 10 AND circuits ( 5 ) with 2 each Inputs and 2 negation circuits ( 6 and 7 ). 5. Umcodierschaltung nach Anspruch 1, dadurch gekennzeich­ net, daß als Teilschaltung (10) eine sonstige 5211/ 51 111-Umcodierschaltung zur Verwendung kommt.5. transcoding circuit according to claim 1, characterized in that another 5211/51 111 recoding circuit is used as the subcircuit ( 10 ).
DE19873700312 1987-01-08 1987-01-08 Code conversion circuit to convert decimal digits from 5211 code to 1-out-of-10 code Withdrawn DE3700312A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873700312 DE3700312A1 (en) 1987-01-08 1987-01-08 Code conversion circuit to convert decimal digits from 5211 code to 1-out-of-10 code

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873700312 DE3700312A1 (en) 1987-01-08 1987-01-08 Code conversion circuit to convert decimal digits from 5211 code to 1-out-of-10 code

Publications (1)

Publication Number Publication Date
DE3700312A1 true DE3700312A1 (en) 1988-07-21

Family

ID=6318529

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873700312 Withdrawn DE3700312A1 (en) 1987-01-08 1987-01-08 Code conversion circuit to convert decimal digits from 5211 code to 1-out-of-10 code

Country Status (1)

Country Link
DE (1) DE3700312A1 (en)

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