BE737359A - - Google Patents
Info
- Publication number
- BE737359A BE737359A BE737359DA BE737359A BE 737359 A BE737359 A BE 737359A BE 737359D A BE737359D A BE 737359DA BE 737359 A BE737359 A BE 737359A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/14—Monitoring arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/02—Reversible analogue/digital converters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Time-Division Multiplex Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1208068A CH495094A (de) | 1968-08-12 | 1968-08-12 | Verfahren zur Überwachung der Arbeitsweise von Coder- und Decoderschaltungen in einer PCM-Zeitmultiplex-Anlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE737359A true BE737359A (pt) | 1970-02-12 |
Family
ID=4379648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE737359D BE737359A (pt) | 1968-08-12 | 1969-08-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3683115A (pt) |
| BE (1) | BE737359A (pt) |
| CH (1) | CH495094A (pt) |
| FR (1) | FR2015513A1 (pt) |
| GB (1) | GB1229112A (pt) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7100210A (pt) * | 1971-01-08 | 1972-07-11 | ||
| FR2219582B1 (pt) * | 1973-02-27 | 1979-04-20 | Cit Alcatel | |
| GB1485616A (en) * | 1973-04-19 | 1977-09-14 | Post Office | Apparatus for displaying an extreme value among a succession of digital values and method of testing pulse code modulation equipment using such apparatus |
| 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 |
| US4022979A (en) * | 1975-12-29 | 1977-05-10 | Bell Telephone Laboratories, Incorporated | Automatic in-service digital trunk checking circuit and method |
| US4156110A (en) * | 1976-03-05 | 1979-05-22 | Trw Inc. | Data verifier |
| DE2644248C3 (de) * | 1976-09-30 | 1981-03-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Überwachung der zentralen Teile einer Demultiplexer-/Multiplexereinheit |
| CA1068408A (en) * | 1977-03-03 | 1979-12-18 | Northern Telecom Limited | Circuit and method for digitally measuring signal levels, of pcm encoded signals |
| US4103108A (en) * | 1977-03-04 | 1978-07-25 | Northern Telecom Limited | Circuit and method for digitally measuring signal levels of pcm encoded signals |
| FR2427743A1 (fr) * | 1978-05-29 | 1979-12-28 | Trt Telecom Radio Electr | Dispositif de surveillance d'un transmultiplexeur |
| 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 |
| JPS5686015A (en) * | 1979-12-12 | 1981-07-13 | Mitsubishi Electric Corp | Sampling signal malfunction monitor |
| JPS56151947A (en) * | 1980-04-26 | 1981-11-25 | Canon Inc | Image former having diagnosis function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2945915A (en) * | 1958-01-28 | 1960-07-19 | Strip Joseph | Operational checkout of data handling equipment |
| US3259695A (en) * | 1961-11-27 | 1966-07-05 | Nippon Electric Co | Malfunction monitoring of time-division multiplex pcm equipment |
| US3112370A (en) * | 1962-02-19 | 1963-11-26 | Bell Telephone Labor Inc | Pulse code modulation alarm system |
| GB1119056A (en) * | 1964-11-27 | 1968-07-03 | Standard Telephones Cables Ltd | Radio communication system |
-
1968
- 1968-08-12 CH CH1208068A patent/CH495094A/de not_active IP Right Cessation
-
1969
- 1969-07-15 US US841762A patent/US3683115A/en not_active Expired - Lifetime
- 1969-08-08 FR FR6927323A patent/FR2015513A1/fr not_active Withdrawn
- 1969-08-11 GB GB1229112D patent/GB1229112A/en not_active Expired
- 1969-08-12 BE BE737359D patent/BE737359A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1934634A1 (de) | 1970-09-03 |
| DE1934634B2 (de) | 1972-10-12 |
| GB1229112A (pt) | 1971-04-21 |
| US3683115A (en) | 1972-08-08 |
| CH495094A (de) | 1970-08-15 |
| FR2015513A1 (pt) | 1970-04-30 |