FR2017690A1 - - Google Patents
Info
- Publication number
- FR2017690A1 FR2017690A1 FR6927268A FR6927268A FR2017690A1 FR 2017690 A1 FR2017690 A1 FR 2017690A1 FR 6927268 A FR6927268 A FR 6927268A FR 6927268 A FR6927268 A FR 6927268A FR 2017690 A1 FR2017690 A1 FR 2017690A1
- Authority
- FR
- France
- 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
- G06F11/104—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error using arithmetic codes, i.e. codes which are preserved during operation, e.g. modulo 9 or 11 check
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Complex Calculations (AREA)
- Calculators And Similar Devices (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75887368A | 1968-09-10 | 1968-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2017690A1 true FR2017690A1 (fr) | 1970-05-22 |
Family
ID=25053425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6927268A Withdrawn FR2017690A1 (fr) | 1968-09-10 | 1969-08-07 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3571581A (fr) |
DE (1) | DE1945783C3 (fr) |
FR (1) | FR2017690A1 (fr) |
GB (1) | GB1246870A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1327747A (en) * | 1971-02-17 | 1973-08-22 | Int Computers Ltd | Universal check digit verifier/generator systems |
US3918051A (en) * | 1971-05-19 | 1975-11-04 | Illinois Tool Works | N-key rollover keyboard |
USH1970H1 (en) | 1971-07-19 | 2001-06-05 | Texas Instruments Incorporated | Variable function programmed system |
US3815495A (en) * | 1973-03-09 | 1974-06-11 | G Strackbein | Modulus 10 numbering machine |
FR2382724A1 (fr) * | 1977-03-04 | 1978-09-29 | Cii Honeywell Bull | Systeme pour controler la validite de la lecture par une machine d'un code porte sur un document |
US4265173A (en) * | 1977-10-31 | 1981-05-05 | Tokyo Keiki Company Ltd. | Numbering machine with check digit function |
US4328746A (en) * | 1978-01-24 | 1982-05-11 | Interface Systems, Inc. | Weighted modulus numbering apparatus |
US4236446A (en) * | 1978-12-19 | 1980-12-02 | Autographic Business Forms, Inc. | Check-digit printing means |
JP2785455B2 (ja) * | 1990-07-03 | 1998-08-13 | 株式会社日立製作所 | コンピュータの制御命令実行方法 |
US6049768A (en) * | 1997-11-03 | 2000-04-11 | A T & T Corp | Speech recognition system with implicit checksum |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3235716A (en) * | 1961-12-05 | 1966-02-15 | Ncr Co | Data entry checking apparatus |
DE1188838B (de) * | 1963-07-27 | 1965-03-11 | Philips Patentverwaltung | Schaltungsanordnung zur Errechnung von Pruefzeichen und Kontrolle von Datengruppen mit anhaengendem Pruefzeichen auf Fehler |
US3484744A (en) * | 1967-02-14 | 1969-12-16 | Ultronic Systems Corp | Apparatus for verifying or producing check digit numbers |
-
1968
- 1968-09-10 US US758873A patent/US3571581A/en not_active Expired - Lifetime
-
1969
- 1969-08-07 FR FR6927268A patent/FR2017690A1/fr not_active Withdrawn
- 1969-09-04 GB GB43760/69A patent/GB1246870A/en not_active Expired
- 1969-09-10 DE DE1945783A patent/DE1945783C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1945783A1 (de) | 1970-03-19 |
DE1945783C3 (de) | 1980-01-31 |
US3571581A (en) | 1971-03-23 |
DE1945783B2 (de) | 1979-05-31 |
GB1246870A (en) | 1971-09-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |