DK132149B - Kommunikationsanlæg til informationsoverføring mellem to terminalstationer ved hjælp af impulskodemodulation. - Google Patents
Kommunikationsanlæg til informationsoverføring mellem to terminalstationer ved hjælp af impulskodemodulation.Info
- Publication number
- DK132149B DK132149B DK4372AA DK4372A DK132149B DK 132149 B DK132149 B DK 132149B DK 4372A A DK4372A A DK 4372AA DK 4372 A DK4372 A DK 4372A DK 132149 B DK132149 B DK 132149B
- Authority
- DK
- Denmark
- Prior art keywords
- communication system
- information transfer
- pulse code
- code modulation
- terminal stations
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/14—Monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7100210A NL7100210A (da) | 1971-01-08 | 1971-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK132149B true DK132149B (da) | 1975-10-27 |
DK132149C DK132149C (da) | 1976-03-29 |
Family
ID=19812204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK4372*#A DK132149C (da) | 1971-01-08 | 1972-01-05 | Kommunikationsanleg til informationsoverforing mellem to terminalstationer ved hjelp af impulskodemodulation |
Country Status (12)
Country | Link |
---|---|
US (1) | US3787628A (da) |
JP (1) | JPS5410812B1 (da) |
AU (1) | AU463268B2 (da) |
BE (1) | BE777784A (da) |
CA (1) | CA975476A (da) |
CH (1) | CH570080A5 (da) |
DE (1) | DE2162413C3 (da) |
DK (1) | DK132149C (da) |
FR (1) | FR2121300A5 (da) |
GB (1) | GB1374043A (da) |
NL (1) | NL7100210A (da) |
SE (1) | SE383818B (da) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2240218B2 (de) * | 1972-08-16 | 1977-05-18 | TEKA DE Feiten & Guilleaume Fernmeldeanlagen GmbH, 500 Nürnberg | Ueberwachungseinrichtung fuer ein pulscodemodulationssystem |
FR2219582B1 (da) * | 1973-02-27 | 1979-04-20 | Cit Alcatel | |
US3970795A (en) * | 1974-07-16 | 1976-07-20 | The Post Office | Measurement of noise in a communication channel |
FR2336007A1 (fr) * | 1975-12-15 | 1977-07-15 | Ass Ouvriers Instr Precision | Installation de transmission de signaux telephoniques ou de donnees, a abonnes multiples et a multiplexage temporel |
US4156110A (en) * | 1976-03-05 | 1979-05-22 | Trw Inc. | Data verifier |
US4071704A (en) * | 1977-01-26 | 1978-01-31 | Trw, Inc. | Service generator checking apparatus |
US4266292A (en) * | 1978-11-20 | 1981-05-05 | Wescom Switching, Inc. | Method and apparatus for testing analog-to-digital and digital-to-analog code converters |
JPS56151947A (en) * | 1980-04-26 | 1981-11-25 | Canon Inc | Image former having diagnosis function |
JPH036156A (ja) * | 1989-06-01 | 1991-01-11 | Mitsubishi Electric Corp | データ伝送路障害検知回路 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3057972A (en) * | 1959-12-23 | 1962-10-09 | Bell Telephone Labor Inc | Testing the performance of pcm receivers |
US3154738A (en) * | 1961-11-09 | 1964-10-27 | Bell Telephone Labor Inc | Automatic encoder test set for pcm encoders |
US3496536A (en) * | 1966-05-02 | 1970-02-17 | Xerox Corp | Data link test apparatus |
CH495094A (de) * | 1968-08-12 | 1970-08-15 | Standard Telephon & Radio Ag | Verfahren zur Überwachung der Arbeitsweise von Coder- und Decoderschaltungen in einer PCM-Zeitmultiplex-Anlage |
US3622877A (en) * | 1969-11-07 | 1971-11-23 | Sanders Associates Inc | Apparatus for testing modulator demodulator units for transmission errors and indicating the errors per power of 10 |
US3691306A (en) * | 1970-07-02 | 1972-09-12 | Francesco Molo | Apparatus and process for detecting malfunctions in a frequency division multiplex system |
-
1971
- 1971-01-08 NL NL7100210A patent/NL7100210A/xx not_active Application Discontinuation
- 1971-12-16 DE DE2162413A patent/DE2162413C3/de not_active Expired
- 1971-12-30 AU AU37427/71A patent/AU463268B2/en not_active Expired
-
1972
- 1972-01-05 CA CA131,702A patent/CA975476A/en not_active Expired
- 1972-01-05 DK DK4372*#A patent/DK132149C/da active
- 1972-01-05 CH CH13972A patent/CH570080A5/xx not_active IP Right Cessation
- 1972-01-05 JP JP5372A patent/JPS5410812B1/ja active Pending
- 1972-01-05 GB GB50772A patent/GB1374043A/en not_active Expired
- 1972-01-05 SE SE7200102A patent/SE383818B/xx unknown
- 1972-01-06 US US00215818A patent/US3787628A/en not_active Expired - Lifetime
- 1972-01-06 BE BE777784A patent/BE777784A/xx unknown
- 1972-01-07 FR FR7200447A patent/FR2121300A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU3742771A (en) | 1973-07-05 |
DE2162413B2 (de) | 1978-08-31 |
SE383818B (sv) | 1976-03-29 |
BE777784A (fr) | 1972-07-06 |
DE2162413C3 (de) | 1979-05-03 |
DK132149C (da) | 1976-03-29 |
DE2162413A1 (de) | 1972-08-03 |
US3787628A (en) | 1974-01-22 |
CH570080A5 (da) | 1975-11-28 |
GB1374043A (en) | 1974-11-13 |
NL7100210A (da) | 1972-07-11 |
FR2121300A5 (da) | 1972-08-18 |
JPS5410812B1 (da) | 1979-05-10 |
CA975476A (en) | 1975-09-30 |
AU463268B2 (en) | 1975-07-24 |
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