[go: up one dir, main page]

DE363172C - Double voice circuit for telephone lines with self-induction loading according to the pupin system - Google Patents

Double voice circuit for telephone lines with self-induction loading according to the pupin system

Info

Publication number
DE363172C
DE363172C DES53887D DES0053887D DE363172C DE 363172 C DE363172 C DE 363172C DE S53887 D DES53887 D DE S53887D DE S0053887 D DES0053887 D DE S0053887D DE 363172 C DE363172 C DE 363172C
Authority
DE
Germany
Prior art keywords
self
telephone lines
loading according
voice circuit
double voice
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DES53887D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
Publication date
Priority to DES53887D priority Critical patent/DE363172C/en
Application granted granted Critical
Publication of DE363172C publication Critical patent/DE363172C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)

Description

Von dem Patentsucher ist als der Erfinder angegeben worden:The patent seeker stated as the inventor:

Dr. Fi~it\ Lnbberger in Berlin-Schmargendorf.Dr. Fi ~ it \ Lnbberger in Berlin-Schmargendorf.

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: Doppelsprechschaltung für Fernsprechleitungen mit Selbstinduktionsbelastung nach dem Pupinsystem, dadurch gekennzeichnet, daß der Betrieb in jeder Doppelleitung mit gewöhnlichen Sprechströmen erfolgt, über die Doppelsprechschaltung dagegen mittels Hochfrequenzströmen.Double voice circuit for telephone lines with self-induction loading according to the Pupin system, characterized in that the operation in each double line takes place with normal speech streams, on the other hand, via the double-talk circuit by means of high-frequency currents.
DES53887D Double voice circuit for telephone lines with self-induction loading according to the pupin system Expired DE363172C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES53887D DE363172C (en) Double voice circuit for telephone lines with self-induction loading according to the pupin system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES53887D DE363172C (en) Double voice circuit for telephone lines with self-induction loading according to the pupin system

Publications (1)

Publication Number Publication Date
DE363172C true DE363172C (en) 1922-11-06

Family

ID=7489495

Family Applications (1)

Application Number Title Priority Date Filing Date
DES53887D Expired DE363172C (en) Double voice circuit for telephone lines with self-induction loading according to the pupin system

Country Status (1)

Country Link
DE (1) DE363172C (en)

Similar Documents

Publication Publication Date Title
FR932898A (en) Improvements in methods for manufacturing conductive configurations, such as wiring circuits, chokes, etc.
DE363172C (en) Double voice circuit for telephone lines with self-induction loading according to the pupin system
US1575407A (en) Strain-insulator clevis
DE363480C (en) Safety suspension of overhead lines on double insulator chains
DE372112C (en) Circuit for changing the impedance of long lines loaded with coils by additional switching means added to the loaded line
AT97276B (en) Circuit arrangement for post office branch offices.
GB228216A (en) Improvements in or relating to telephonic receivers
AU77921A (en) Improvements, in telephone systems
FR587901A (en) Counter-alarm, for example for checking the duration of telephone conversations
GB308336A (en) Improvements in or relating to two-way telephone and the like systems
AU314721A (en) Improvements in or relating to tele,hone systems
CH76268A (en) Circuit arrangement for signaling or telephone systems for individual calls from stations connected to a double line
CA217641A (en) Terminal check valve for force feed
CA236648A (en) Trunk circuit for telephone systems
CA225450A (en) Hydraulic hoisting device
DK35117C (en) Self-induction Coil Unit for Loading Duplicate Four-Conductors for Telephone Cables.
CA207230A (en) Telephonic apparatus
GB207449A (en) Improvements in or relating to long distance telephony
CH105282A (en) Carburettors, especially for gasoline soldering irons.
AT108024B (en) Circuit arrangement for high-frequency telephony, in particular along high-voltage overhead lines.
AU658222A (en) v Improvements in telephone systems
CA222445A (en) Work clamp
CA220254A (en) Boat listing apparatus
ES71916A1 (en) Improvements in telephone line circuits.
CH77312A (en) Circuit arrangement for telephone systems with central battery for automatic, optional calls to individual from several connected stations