FR813383A - Système de transmission par câble, à fréquences porteuses multiples - Google Patents

Système de transmission par câble, à fréquences porteuses multiples

Info

Publication number: FR813383A
Authority: FR; France
Prior art keywords: transmission system; carrier frequencies; multiple carrier; cable transmission; cable
Prior art date: 1935-05-10
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

Other languages

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

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.)

1935-05-10

Filing date

1936-05-04

Publication date

1937-05-31

1936-05-04 Application filed by Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG

1937-05-31 Application granted granted Critical

1937-05-31 Publication of FR813383A publication Critical patent/FR813383A/fr

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/12—Arrangements for reducing cross-talk between channels

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Chemical & Material Sciences (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Mechanical Engineering (AREA)
Crystallography & Structural Chemistry (AREA)
Thermal Sciences (AREA)
Electromagnetism (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Communication Cables (AREA)
Color Television Systems (AREA)

FR813383D 1935-05-10 1936-05-04 Système de transmission par câble, à fréquences porteuses multiples Expired FR813383A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE458225X		1935-05-10

Publications (1)

Publication Number	Publication Date
FR813383A true FR813383A (fr)	1937-05-31

Family

ID=6539399

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
FR458225D Expired FR458225A (fr)	1912-03-05	1912-09-03	Four à recuire dans lequel le recuit s'effectue dans une atmosphère non oxydante
FR813383D Expired FR813383A (fr)	1935-05-10	1936-05-04	Système de transmission par câble, à fréquences porteuses multiples
FR49681D Expired FR49681E (fr)	1935-05-10	1938-08-24	Système de transmission par câble, à fréquences porteuses multiples

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR458225D Expired FR458225A (fr)	1912-03-05	1912-09-03	Four à recuire dans lequel le recuit s'effectue dans une atmosphère non oxydante

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR49681D Expired FR49681E (fr)	1935-05-10	1938-08-24	Système de transmission par câble, à fréquences porteuses multiples

Country Status (4)

Country	Link
AT (1)	AT149293B (fr)
DE (2)	DE680025C (fr)
FR (3)	FR458225A (fr)
GB (1)	GB458225A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2526942A (en) *	1946-04-15	1950-10-24	Telecommunications Sa	Process for reducing the far-end crosstalk between concentric pairs due to tertiary circuits
DE1134570B (de) *	1959-01-09	1962-08-09	Keller Ges Mit Beschraenkter H	Schlaegermuehle, insbesondere zur Brennstoffmahlung, mit Reibungsdaempfern
US3082387A (en) *	1959-07-23	1963-03-19	Pirelli	Multi-conductor telecommunication cables for audio and carrier frequencies
US5321372A (en) *	1993-01-08	1994-06-14	Synoptics Communications, Inc.	Apparatus and method for terminating cables to minimize emissions and susceptibility
CN108239295A (zh)	2016-12-26	2018-07-03	科思创聚合物（中国）有限公司	具有提高的铅笔硬度的聚碳酸酯复合物

1912
- 1912-09-03 FR FR458225D patent/FR458225A/fr not_active Expired
1935
- 1935-05-11 DE DES118253D patent/DE680025C/de not_active Expired
1936
- 1936-04-30 AT AT149293D patent/AT149293B/de active
- 1936-05-04 FR FR813383D patent/FR813383A/fr not_active Expired
- 1936-05-11 GB GB13284/36A patent/GB458225A/en not_active Expired
1937
- 1937-08-26 DE DES128587D patent/DE714544C/de not_active Expired
1938
- 1938-08-24 FR FR49681D patent/FR49681E/fr not_active Expired

Also Published As

Publication number	Publication date
FR49681E (fr)	1939-05-30
DE680025C (de)	1939-08-22
GB458225A (en)	1936-12-15
FR458225A (fr)	1913-10-06
DE714544C (de)	1941-12-01
AT149293B (de)	1937-04-10

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