CH337239A - Circuit arrangement in telephone systems with telephone lines of unspecified and certain traffic direction - Google Patents

Circuit arrangement in telephone systems with telephone lines of unspecified and certain traffic direction

Info

Publication number
CH337239A
CH337239A CH337239DA CH337239A CH 337239 A CH337239 A CH 337239A CH 337239D A CH337239D A CH 337239DA CH 337239 A CH337239 A CH 337239A
Authority
CH
Switzerland
Prior art keywords
telephone
unspecified
circuit arrangement
traffic direction
certain traffic
Prior art date
Application number
Other languages
German (de)
Inventor
Monte Giorgio Dr Ing Dal
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Publication of CH337239A publication Critical patent/CH337239A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH337239D 1954-02-05 1955-01-21 Circuit arrangement in telephone systems with telephone lines of unspecified and certain traffic direction CH337239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT337239X 1954-02-05

Publications (1)

Publication Number Publication Date
CH337239A true CH337239A (en) 1959-03-31

Family

ID=11238076

Family Applications (1)

Application Number Title Priority Date Filing Date
CH337239D CH337239A (en) 1954-02-05 1955-01-21 Circuit arrangement in telephone systems with telephone lines of unspecified and certain traffic direction

Country Status (3)

Country Link
CH (1) CH337239A (en)
DE (1) DE1016764B (en)
FR (1) FR1118712A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067875B (en) * 1958-08-08 1959-10-29 Standard Elektrik Lorenz Ag Circuit arrangement for direction selector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE691075C (en) * 1935-08-20 1940-05-16 Siemens & Halske Akt Ges Circuit arrangement for telephone systems with mehb
DE752120C (en) * 1941-10-10 1953-04-16 Siemens & Halske A G Circuit arrangement for telephone systems with several exchanges in series

Also Published As

Publication number Publication date
DE1016764B (en) 1957-10-03
FR1118712A (en) 1956-06-11

Similar Documents

Publication Publication Date Title
FR1129507A (en) Reversing electrical circuits
CH336868A (en) Electronic switching device with transistors
FR1105870A (en) Balanced circuit and ferro-resonant multivibrator
FR1105144A (en) Improvements in furnishing
CH337239A (en) Circuit arrangement in telephone systems with telephone lines of unspecified and certain traffic direction
CH326736A (en) Protective device in multi-phase networks with short circuit continuation
FR1128441A (en) Bistable circuits
CH316570A (en) Telephone system with main and sub-offices
CH351641A (en) Circuit arrangement in telecommunications systems
FR1114142A (en) Homopolar alternator
CH346248A (en) Telephone system
FR1100483A (en) Vinyltriacetoxysilane and applications
FR1110492A (en) Voltmetric capacity and its applications
FR1171942A (en) Disconnector and disconnecting device
FR1104853A (en) Advanced lubricant and its applications
AT186669B (en) Semiconductor system with non-linear voltage characteristics
FR1102046A (en) Special stereoscope and its frame-frame table
FR1114167A (en) Homopolar alternator
ES46217Y (en) Recreational device and individual ability
FR1140471A (en) Bistable circuits
AT181089B (en) Orientation and measuring bus
FR1097148A (en) Suspenders
AT189240B (en) Telephone station
AT183448B (en) Crane cableway
FR1101108A (en) Bookbinding and its applications