| FR1511678A
              (fr)
            
            * | 1966-12-23 | 1968-02-02 | Cit Alcatel | Disposition de réseau de connexion pour commutation temporelle | 
        
          | GB1257623A
              (en:Method)
            
            * | 1967-12-11 | 1971-12-22 | Post Office |  | 
        
          | US3585306A
              (en)
            
            * | 1968-05-16 | 1971-06-15 | Bell Telephone Labor Inc | Tandem office time division switching system | 
        
          | NL157481B
              (nl)
            
            * | 1968-07-05 | 1978-07-17 | Philips Nv | Inrichting voor een telecommunicatiecentrale voor het tot stand brengen van verbindingen tussen n inkomende tijdmultiplexlijnen en n uitgaande tijdmultiplexlijnen. | 
        
          | JPS515243B1
              (en:Method)
            
            * | 1968-07-22 | 1976-02-18 |  |  | 
        
          | NL154637B
              (nl)
            
            * | 1968-09-30 | 1977-09-15 | Siemens Ag | Tijdmultiplexstelsel voor satellietverbindingen met een groot aantal kanalen. | 
        
          | US3639693A
              (en)
            
            * | 1968-11-22 | 1972-02-01 | Stromberg Carlson Corp | Time division multiplex data switch | 
        
          | FR2045248A5
              (en:Method)
            
            * | 1969-06-27 | 1971-02-26 | Cit Alcatel |  | 
        
          | NL7004339A
              (en:Method)
            
            * | 1970-03-25 | 1971-09-28 |  |  | 
        
          | FR2086709A5
              (en:Method)
            
            * | 1970-04-07 | 1971-12-31 | Labo Cent Telecommunicat |  | 
        
          | NL7005143A
              (en:Method)
            
            * | 1970-04-10 | 1971-10-12 |  |  | 
        
          | US3705266A
              (en)
            
            * | 1970-05-08 | 1972-12-05 | Plessey Handel Investment Ag | Telephone switching systems | 
        
          | US3649763A
              (en)
            
            * | 1970-05-27 | 1972-03-14 | Bell Telephone Labor Inc | Time division switching system | 
        
          | GB1325194A
              (en)
            
            * | 1970-05-27 | 1973-08-01 | Plessey Co Ltd | Electrical signalling system | 
        
          | US3637941A
              (en)
            
            * | 1970-07-13 | 1972-01-25 | Gte Automatic Electric Lab Inc | Integrated switching and transmission network for pulse code modulated signals | 
        
          | US3652803A
              (en)
            
            * | 1970-07-30 | 1972-03-28 | Bell Telephone Labor Inc | Switching of time division multiplex lines through telephone central offices | 
        
          | US3673335A
              (en)
            
            * | 1970-08-24 | 1972-06-27 | Bell Telephone Labor Inc | Switching of time division multiplex lines and analog trunks through telephone central offices | 
        
          | US3707140A
              (en)
            
            * | 1970-11-25 | 1972-12-26 | Stromberg Carlson Corp | Telephone switching network signalling system | 
        
          | US3700819A
              (en)
            
            * | 1970-12-07 | 1972-10-24 | Bell Telephone Labor Inc | Time division switching system with time slot interchange | 
        
          | DE2108745C2
              (de)
            
            * | 1971-02-24 | 1980-12-18 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Abschluß von Vierdrahtverbindungsleitungen mit nach dem Zeitmultiplexprinzip mit Pulscodemodulation gebildeten Nachrichtenkanälen an Vermittlungsstellen mit speicherprogrammierten Zentralsteuerwerken für Fernmelde-, insbesondere Fernsprechanlagen | 
        
          | US3715505A
              (en)
            
            * | 1971-03-29 | 1973-02-06 | Bell Telephone Labor Inc | Time-division switch providing time and space switching | 
        
          | US3806654A
              (en)
            
            * | 1971-05-26 | 1974-04-23 | North Electric Co | Arrangement for transmitting digital pulses through an analog tdm switching system | 
        
          | US3710025A
              (en)
            
            * | 1971-09-21 | 1973-01-09 | Bell Telephone Labor Inc | Time slot memory circuit | 
        
          | BE789402A
              (fr)
            
            * | 1971-10-01 | 1973-01-15 | Western Electric Co | Systeme de commutation a repartition temporelle | 
        
          | US3784751A
              (en)
            
            * | 1971-11-16 | 1974-01-08 | Us Army | Pdm-tdm switching matrix | 
        
          | BE792170A
              (fr)
            
            * | 1971-12-02 | 1973-06-01 | Int Standard Electric Corp | Module de commutation electronique | 
        
          | US3743788A
              (en)
            
            * | 1971-12-02 | 1973-07-03 | Bell Telephone Labor Inc | Time coded signalling technique for writing control memories of time slot interchangers and the like | 
        
          | BE791931A
              (fr)
            
            * | 1971-12-02 | 1973-03-16 | Western Electric Co | Montage echangeur d'intervalles de temps | 
        
          | US3790716A
              (en)
            
            * | 1971-12-06 | 1974-02-05 | Int Standard Electric Corp | Synchronization circuit for a pcm-tdm exchange | 
        
          | US3751597A
              (en)
            
            * | 1971-12-30 | 1973-08-07 | Bell Telephone Labor Inc | Time division multiplex network switching unit | 
        
          | US3740483A
              (en)
            
            * | 1971-12-30 | 1973-06-19 | Bell Telephone Labor Inc | Time division switching system with bilateral time slot interchangers | 
        
          | BE795163A
              (fr)
            
            * | 1972-02-08 | 1973-05-29 | Ericsson Telefon Ab L M | Procede d'attribution d'intervalles de temps et d'adresses d'assemblage a des mots de modulation par impulsions codees | 
        
          | BE795164A
              (fr)
            
            * | 1972-02-08 | 1973-05-29 | Ericsson Telefon Ab L M | Procede de commande de portes de jonctions communes dans un central a modulation par impulsions codees | 
        
          | BE795167A
              (fr)
            
            * | 1972-02-08 | 1973-05-29 | Ericsson Telefon Ab L M | Dispositif de production d'informations d'ordres de commutation pour la transmission de mots de modulation par impulsions codees | 
        
          | US3761894A
              (en)
            
            * | 1972-05-12 | 1973-09-25 | Bell Telephone Labor Inc | Partitioned ramdom access memories for increasing throughput rate | 
        
          | US3825690A
              (en)
            
            * | 1972-06-01 | 1974-07-23 | Gte Automatic Electric Lab Inc | Lossless network junctor for pcm digital switching systems | 
        
          | FR2328349A1
              (fr)
            
            * | 1973-03-01 | 1977-05-13 | Ibm France | Systeme de commutation en multiplex a division dans le temps | 
        
          | DE2316042C2
              (de)
            
            * | 1973-03-30 | 1975-03-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | PCM-Zeitmultiplexvermittlungsverfahren | 
        
          | US3863033A
              (en)
            
            * | 1973-04-30 | 1975-01-28 | Gte Automatic Electric Lab Inc | Step-by-step telephone central exchanges for use with pcm communication networks | 
        
          | US3819865A
              (en)
            
            * | 1973-05-09 | 1974-06-25 | Gte Automatic Electric Lab Inc | Assignment and connection of call digit receivers and senders to a register in a communication switching system | 
        
          | FR2236329B1
              (en:Method)
            
            * | 1973-07-06 | 1978-02-10 | Jeumont Schneider |  | 
        
          | US3920916A
              (en)
            
            * | 1973-09-27 | 1975-11-18 | Stromberg Carlson Corp | Digital switching network | 
        
          | IT1020712B
              (it)
            
            * | 1974-09-04 | 1977-12-30 | P Belforte | Cselt centro studi e laboratori telecomunicazioni spa stadio di commutazione elettronica ad alta velocita per canali numeri ci | 
        
          | NL7412053A
              (nl)
            
            * | 1974-09-11 | 1976-03-15 | Philips Nv | Telecommunicatiecentrale met tijdverdeling. | 
        
          | US4167652A
              (en)
            
            * | 1974-10-17 | 1979-09-11 | Telefonaktiebolaget L M Ericsson | Method and apparatus for the interchanges of PCM word | 
        
          | US4150258A
              (en)
            
            * | 1975-02-03 | 1979-04-17 | Oki Electric Industry Co., Ltd. | Electronic switching system | 
        
          | SE381394B
              (sv)
            
            * | 1975-02-14 | 1975-12-01 | Ellemtel Utvecklings Ab | Sett och anordning for adressering av en kopplingsminne i en formedlingsstation for synkrona datasignaler | 
        
          | IT1037256B
              (it)
            
            * | 1975-04-14 | 1979-11-10 | Sits Soc It Telecom Siemens | Rete di transito per sistemi di telecomunicazioni a divisione di tempo | 
        
          | US4163122A
              (en)
            
            * | 1975-05-22 | 1979-07-31 | De Staat der Nederlanden, Te Dezen Vertegenwoordigd Door de Directeur-Generaal der Posterijen, Telegrafie en Telefinie | Method and apparatus for automatically correcting errors in a cyclic routing memory of a time division multiplexed trunk exchange | 
        
          | FR2330237A1
              (fr)
            
            * | 1975-10-28 | 1977-05-27 | Thomson Csf | Circuit de commutation telephonique et autocommutateur comprenant un tel circuit | 
        
          | US4186277A
              (en)
            
            * | 1976-01-23 | 1980-01-29 | Siemens Aktiengesellschaft | Time division multiplex telecommunications switching network | 
        
          | US4071703A
              (en)
            
            * | 1977-01-26 | 1978-01-31 | Trw, Inc. | Time slot interchanger |