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NL57908C - Telefoonstelsel met in één of een aantal opvolgende trappen toegepaste groepkiezers - Google Patents

Telefoonstelsel met in één of een aantal opvolgende trappen toegepaste groepkiezers

Info

Publication number
NL57908C
NL57908C NL105117A NL105117A NL57908C NL 57908 C NL57908 C NL 57908C NL 105117 A NL105117 A NL 105117A NL 105117 A NL105117 A NL 105117A NL 57908 C NL57908 C NL 57908C
Authority
NL
Netherlands
Prior art keywords
dialers
group
telephone system
successive stages
successive
Prior art date
Application number
NL105117A
Other languages
English (en)
Other versions
NL105117A (nl
Original Assignee
Bell Telephone Manufacturing Co Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bell Telephone Manufacturing Co Sa filed Critical Bell Telephone Manufacturing Co Sa
Priority to NL105117A priority Critical patent/NL57908C/nl
Priority to DK58243AA priority patent/DK67637C/da
Priority to FR892187D priority patent/FR892187A/fr
Priority to CH249754D priority patent/CH249754A/de
Publication of NL105117A publication Critical patent/NL105117A/nl
Application granted granted Critical
Publication of NL57908C publication Critical patent/NL57908C/nl
Priority to ES0175401A priority patent/ES175401A1/es
Priority to US728548A priority patent/US2547043A/en
Priority to GB35116/47A priority patent/GB645069A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
NL105117A 1942-03-13 1942-03-13 Telefoonstelsel met in één of een aantal opvolgende trappen toegepaste groepkiezers NL57908C (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL105117A NL57908C (nl) 1942-03-13 1942-03-13 Telefoonstelsel met in één of een aantal opvolgende trappen toegepaste groepkiezers
DK58243AA DK67637C (da) 1942-03-13 1943-02-27 Fjernsignaleringsanlæg med Gruppevælgere.
FR892187D FR892187A (fr) 1942-03-13 1943-03-13 Systèmes de télécommunication automatiques ou semi-automatiques
CH249754D CH249754A (de) 1942-03-13 1943-03-15 Zum mindesten halbautomatische Fernmeldezentrale mit Gruppenwählern.
ES0175401A ES175401A1 (es) 1942-03-13 1946-10-22 MEJORAS EN SISTEMAS TELEFoNICOS O SIMILARES PARA ESTABLECER CONEXIONES POR MEDIO DE SELECCIONES DE GRUPOS
US728548A US2547043A (en) 1942-03-13 1947-02-14 Automatic control of selectors by register potential matching
GB35116/47A GB645069A (en) 1942-03-13 1947-12-31 Telephone or similar system for establishing connections by means of group selecting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL105117A NL57908C (nl) 1942-03-13 1942-03-13 Telefoonstelsel met in één of een aantal opvolgende trappen toegepaste groepkiezers

Publications (2)

Publication Number Publication Date
NL105117A NL105117A (nl) 1945-10-15
NL57908C true NL57908C (nl) 1946-07-15

Family

ID=38423550

Family Applications (1)

Application Number Title Priority Date Filing Date
NL105117A NL57908C (nl) 1942-03-13 1942-03-13 Telefoonstelsel met in één of een aantal opvolgende trappen toegepaste groepkiezers

Country Status (7)

Country Link
US (1) US2547043A (nl)
CH (1) CH249754A (nl)
DK (1) DK67637C (nl)
ES (1) ES175401A1 (nl)
FR (1) FR892187A (nl)
GB (1) GB645069A (nl)
NL (1) NL57908C (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753399A (en) * 1946-03-26 1956-07-03 Roelof M M Oberman Circuit for controlling a selector
NL74001C (nl) * 1949-10-07
BE519674A (nl) * 1951-05-05
BE512597A (nl) * 1951-07-05
BE514718A (nl) * 1951-10-16
US2807671A (en) * 1952-12-29 1957-09-24 Siemens Brothers & Co Ltd Automatic telephone systems
US3508001A (en) * 1966-06-24 1970-04-21 P & H Electronics Electric retrieval system
US3627950A (en) * 1969-10-07 1971-12-14 Bell Telephone Labor Inc Dial-tone-first coin telephone circuit in which station ground is isolated from the circuit except during signaling from the central office

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL52905C (nl) * 1937-08-21
US2242776A (en) * 1939-04-25 1941-05-20 Bell Telephone Labor Inc Telephone system
US2351016A (en) * 1942-09-14 1944-06-13 Int Standard Electric Corp Electrical control system

Also Published As

Publication number Publication date
US2547043A (en) 1951-04-03
DK67637C (da) 1948-09-20
CH249754A (de) 1947-07-15
NL105117A (nl) 1945-10-15
ES175401A1 (es) 1946-12-01
FR892187A (fr) 1944-03-30
GB645069A (en) 1950-10-25

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