DE726045C - Arrangement for the transmission of messages - Google Patents

Arrangement for the transmission of messages

Info

Publication number
DE726045C
DE726045C DEL90279D DEL0090279D DE726045C DE 726045 C DE726045 C DE 726045C DE L90279 D DEL90279 D DE L90279D DE L0090279 D DEL0090279 D DE L0090279D DE 726045 C DE726045 C DE 726045C
Authority
DE
Germany
Prior art keywords
messages
arrangement
transmission
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
DEL90279D
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.)
Alcatel SEL AG
Original Assignee
Standard Elektrik Lorenz AG
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
Priority to DEL85522D priority Critical patent/DE708943C/en
Application filed by Standard Elektrik Lorenz AG filed Critical Standard Elektrik Lorenz AG
Priority to DEL90279D priority patent/DE726045C/en
Priority to NL82857A priority patent/NL50600C/xx
Priority to FR823122T priority
Priority to GB1843637A priority patent/GB501915A/en
Application granted granted Critical
Publication of DE726045C publication Critical patent/DE726045C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/78Circuit arrangements in which low-frequency speech signals proceed in one direction on the line, while speech signals proceeding in the other direction on the line are modulated on a high-frequency carrier signal
DEL90279D 1934-03-14 1936-05-01 Arrangement for the transmission of messages Expired DE726045C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DEL85522D DE708943C (en) 1934-03-14 1934-03-14 Method for the transmission of messages with shifting the speech streams on sections of the transmission line in different frequency ranges
DEL90279D DE726045C (en) 1934-03-14 1936-05-01 Arrangement for the transmission of messages
NL82857A NL50600C (en) 1934-03-14 1937-06-10
FR823122T 1937-06-15
GB1843637A GB501915A (en) 1934-03-14 1937-07-02 Telephone exchange systems

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DEL85522D DE708943C (en) 1934-03-14 1934-03-14 Method for the transmission of messages with shifting the speech streams on sections of the transmission line in different frequency ranges
DEL90245D DE726511C (en) 1934-03-14 1936-04-28 Subscriber station
DEL90279D DE726045C (en) 1934-03-14 1936-05-01 Arrangement for the transmission of messages
NL82857A NL50600C (en) 1934-03-14 1937-06-10
FR823122D FR823122A (en) 1934-03-14 1937-06-15 Device for transmitting messages
GB1843637A GB501915A (en) 1934-03-14 1937-07-02 Telephone exchange systems
US153074A US2184835A (en) 1934-03-14 1937-07-10 System for transmitting communications
DEL99627D DE730055C (en) 1934-03-14 1939-12-09 Remote place switching for optional low-frequency or high-frequency query

Publications (1)

Publication Number Publication Date
DE726045C true DE726045C (en) 1942-10-05

Family

ID=7285923

Family Applications (4)

Application Number Title Priority Date Filing Date
DEL85522D Expired DE708943C (en) 1934-03-14 1934-03-14 Method for the transmission of messages with shifting the speech streams on sections of the transmission line in different frequency ranges
DEL90245D Expired DE726511C (en) 1934-03-14 1936-04-28 Subscriber station
DEL90279D Expired DE726045C (en) 1934-03-14 1936-05-01 Arrangement for the transmission of messages
DEL99627D Expired DE730055C (en) 1934-03-14 1939-12-09 Remote place switching for optional low-frequency or high-frequency query

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DEL85522D Expired DE708943C (en) 1934-03-14 1934-03-14 Method for the transmission of messages with shifting the speech streams on sections of the transmission line in different frequency ranges
DEL90245D Expired DE726511C (en) 1934-03-14 1936-04-28 Subscriber station

Family Applications After (1)

Application Number Title Priority Date Filing Date
DEL99627D Expired DE730055C (en) 1934-03-14 1939-12-09 Remote place switching for optional low-frequency or high-frequency query

Country Status (5)

Country Link
US (1) US2184835A (en)
DE (4) DE708943C (en)
FR (1) FR823122A (en)
GB (1) GB501915A (en)
NL (1) NL50600C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028625B (en) * 1957-03-14 1958-04-24 Telefonbau Circuit arrangement for the use of carrier frequency on subscriber lines in telephone systems with dialer operation
DE1040611B (en) * 1954-09-10 1958-10-09 Western Electric Co Circuit arrangement for multichannel carrier frequency telephony systems for the transmission of call signals from a central office to a number of subscriber stations located along a transmission line
DE1112549B (en) * 1955-12-30 1961-08-10 Gen Electric Co Ltd Telephone subscriber circuit for the parallel connection of two subscribers to a two-wire line
DE1200377B (en) * 1960-07-21 1965-09-09 Western Electric Co Circuit arrangement for establishing a return path in time division multiplex telephone exchanges

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802088C2 (en) * 1987-01-26 1996-12-12 Dirr Josef Method for coding and decoding information in terminal stations of switching devices and transmission via connection paths / lines to and from the switching devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1040611B (en) * 1954-09-10 1958-10-09 Western Electric Co Circuit arrangement for multichannel carrier frequency telephony systems for the transmission of call signals from a central office to a number of subscriber stations located along a transmission line
DE1112549B (en) * 1955-12-30 1961-08-10 Gen Electric Co Ltd Telephone subscriber circuit for the parallel connection of two subscribers to a two-wire line
DE1028625B (en) * 1957-03-14 1958-04-24 Telefonbau Circuit arrangement for the use of carrier frequency on subscriber lines in telephone systems with dialer operation
DE1200377B (en) * 1960-07-21 1965-09-09 Western Electric Co Circuit arrangement for establishing a return path in time division multiplex telephone exchanges

Also Published As

Publication number Publication date
DE730055C (en) 1943-01-12
DE726511C (en) 1942-10-15
US2184835A (en) 1939-12-26
GB501915A (en) 1939-03-02
DE708943C (en) 1941-08-01
FR823122A (en) 1938-01-14
NL50600C (en) 1941-06-17

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