IE50950B1 - Circuit for monitoring a digital signal generator - Google Patents
Circuit for monitoring a digital signal generatorInfo
- Publication number
- IE50950B1 IE50950B1 IE29/81A IE2981A IE50950B1 IE 50950 B1 IE50950 B1 IE 50950B1 IE 29/81 A IE29/81 A IE 29/81A IE 2981 A IE2981 A IE 2981A IE 50950 B1 IE50950 B1 IE 50950B1
- Authority
- IE
- Ireland
- Prior art keywords
- generator
- signals
- monitoring
- monitoring circuit
- output
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 230000015654 memory Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 102100031051 Cysteine and glycine-rich protein 1 Human genes 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 108010064535 CCAAT-Enhancer-Binding Protein-beta Proteins 0.000 description 3
- 102100031621 Cysteine and glycine-rich protein 2 Human genes 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 101710185487 Cysteine and glycine-rich protein 1 Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
- H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Emergency Protection Circuit Devices (AREA)
- Circuits Of Receivers In General (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8000388A FR2474785A1 (fr) | 1980-01-09 | 1980-01-09 | Dispositif de controle d'un generateur numerique de signaux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE810029L IE810029L (en) | 1981-07-09 |
| IE50950B1 true IE50950B1 (en) | 1986-08-20 |
Family
ID=9237368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE29/81A IE50950B1 (en) | 1980-01-09 | 1981-01-08 | Circuit for monitoring a digital signal generator |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4385385A (Direct) |
| EP (1) | EP0032365B1 (Direct) |
| JP (1) | JPS56103584A (Direct) |
| AT (1) | ATE9940T1 (Direct) |
| CA (1) | CA1152579A (Direct) |
| DE (1) | DE3166650D1 (Direct) |
| FR (1) | FR2474785A1 (Direct) |
| IE (1) | IE50950B1 (Direct) |
| ZA (1) | ZA81115B (Direct) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527272A (en) * | 1982-12-06 | 1985-07-02 | Tektronix, Inc. | Signature analysis using random probing and signature memory |
| DE3334367A1 (de) * | 1983-09-22 | 1985-04-11 | Siemens AG, 1000 Berlin und 8000 München | Anordnung zur erzeugung von sinusspannungen mit unterschiedlicher frequenz und amplitude in einer leitungssimulationseinrichtung einer fernmeldeanlage, insbesondere fernsprechnebenstellenanlage |
| USRE33461E (en) * | 1985-10-16 | 1990-11-27 | Unisys Corporation | Generation and diagnostic verification of complex timing cycles |
| US4726025A (en) * | 1985-10-16 | 1988-02-16 | Sperry Corporation | Generation and diagnostic verification of complex timing cycles |
| US7117183B2 (en) * | 2001-03-31 | 2006-10-03 | First Data Coroporation | Airline ticket payment and reservation system and methods |
| US20030076562A1 (en) * | 2001-10-24 | 2003-04-24 | Photonage, Inc. | High speed optical transmitter and receiver with a serializer with a minimum frequency generator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582633A (en) * | 1968-02-20 | 1971-06-01 | Lockheed Aircraft Corp | Method and apparatus for fault detection in a logic circuit |
| DE1952349B2 (de) * | 1969-10-17 | 1973-06-20 | Anordnung zur pruefung eines redundanten regelsystems | |
| FR2098528A5 (Direct) * | 1970-07-17 | 1972-03-10 | Lannionnais Electronique | |
| US3924181A (en) * | 1973-10-16 | 1975-12-02 | Hughes Aircraft Co | Test circuitry employing a cyclic code generator |
| FR2286564A1 (fr) * | 1974-09-30 | 1976-04-23 | Roche Bernard | Dispositif synthetiseur de signaux a multifrequences |
| US3988670A (en) * | 1975-04-15 | 1976-10-26 | The United States Of America As Represented By The Secretary Of The Navy | Automatic testing of digital logic systems |
| FR2345023A1 (fr) * | 1976-03-16 | 1977-10-14 | Labo Cent Telecommunicat | Dispositif de verification des tonalites dans un centre de commutation mic |
| US4108359A (en) * | 1977-03-30 | 1978-08-22 | The United States Of America As Represented By The Secretary Of The Army | Apparatus for verifying the execution of a sequence of coded instructions |
-
1980
- 1980-01-09 FR FR8000388A patent/FR2474785A1/fr active Granted
- 1980-12-30 US US06/221,471 patent/US4385385A/en not_active Expired - Fee Related
-
1981
- 1981-01-02 AT AT81100003T patent/ATE9940T1/de not_active IP Right Cessation
- 1981-01-02 EP EP81100003A patent/EP0032365B1/fr not_active Expired
- 1981-01-02 DE DE8181100003T patent/DE3166650D1/de not_active Expired
- 1981-01-07 JP JP102581A patent/JPS56103584A/ja active Pending
- 1981-01-08 CA CA000368136A patent/CA1152579A/fr not_active Expired
- 1981-01-08 ZA ZA00810115A patent/ZA81115B/xx unknown
- 1981-01-08 IE IE29/81A patent/IE50950B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56103584A (en) | 1981-08-18 |
| EP0032365A1 (fr) | 1981-07-22 |
| US4385385A (en) | 1983-05-24 |
| DE3166650D1 (en) | 1984-11-22 |
| FR2474785A1 (fr) | 1981-07-31 |
| IE810029L (en) | 1981-07-09 |
| CA1152579A (fr) | 1983-08-23 |
| FR2474785B1 (Direct) | 1982-05-28 |
| ATE9940T1 (de) | 1984-11-15 |
| ZA81115B (en) | 1982-01-27 |
| EP0032365B1 (fr) | 1984-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0333122B1 (en) | Method and apparatus for frame synchronization | |
| US4920535A (en) | Demultiplexer system | |
| JP2655547B2 (ja) | Ｃｒｃ演算方法及びａｔｍ交換方式におけるｈｅｃ同期装置 | |
| US4626912A (en) | Sequential data block address processing circuits | |
| JPH0124385B2 (Direct) | ||
| SE453706B (sv) | Radiosendnings- och mottagningssystem | |
| US3739277A (en) | Digital data transmission system utilizing phase shift keying | |
| US4698806A (en) | Frame alignment of tributaries of a t.d.m. bit stream | |
| SE439406B (sv) | Telekommunikationsomkopplingssystem | |
| US4535451A (en) | Fourth-order digital multiplex system for transmitting a plurality of digital signals at a nominal bit rate of 44 736 kbit/s | |
| US6356127B1 (en) | Phase locked loop | |
| US4429391A (en) | Fault and error detection arrangement | |
| US4385385A (en) | Circuit for monitoring a digital signal generator | |
| US4849995A (en) | Digital signal transmission system having frame synchronization operation | |
| US3940563A (en) | Reframing method for a carrier system having a serial digital data bit stream | |
| US4538286A (en) | Data rate conversion and supervisory bit insertion in a data system | |
| US3306979A (en) | Pulse code modulation systems | |
| CA1141495A (en) | Elastic buffer memory for a demultiplexer of synchronous type particularly for use in time-division transmission systems | |
| US4203003A (en) | Frame search control for digital transmission system | |
| US4156110A (en) | Data verifier | |
| US3649758A (en) | Frame synchronization system | |
| FI75705B (fi) | Kopplingsanordning foer aostadkommande av fassamstaemmighet mellan taktpulser och synkroniseringsbitar hos datagrupper. | |
| US6198755B1 (en) | Time multiplexing/demultiplexing method | |
| Baart et al. | Network Synchronization and Alarm Remoting in The Dataroute T | |
| US4125747A (en) | Telephone switching circuit |