FR829118A - Device for simultaneous transmission of several messages by means of ultra-short waves - Google Patents

Device for simultaneous transmission of several messages by means of ultra-short waves

Info

Publication number
FR829118A
FR829118A FR829118DA FR829118A FR 829118 A FR829118 A FR 829118A FR 829118D A FR829118D A FR 829118DA FR 829118 A FR829118 A FR 829118A
Authority
FR
France
Prior art keywords
ultra
simultaneous transmission
several messages
short waves
waves
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
Other languages
French (fr)
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 Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C 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
Application filed by Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR829118A publication Critical patent/FR829118A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
FR829118D 1936-12-22 1937-11-15 Device for simultaneous transmission of several messages by means of ultra-short waves Expired FR829118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL91684D DE720474C (en) 1936-12-22 1936-12-22 Arrangement for the simultaneous transmission of several messages by means of a carrier shaft

Publications (1)

Publication Number Publication Date
FR829118A true FR829118A (en) 1938-06-13

Family

ID=6544596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR829118D Expired FR829118A (en) 1936-12-22 1937-11-15 Device for simultaneous transmission of several messages by means of ultra-short waves

Country Status (4)

Country Link
US (1) US2214916A (en)
DE (1) DE720474C (en)
FR (1) FR829118A (en)
GB (1) GB493674A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861884C (en) * 1950-08-19 1953-01-08 Max Grundig Stereophonic transmission system
BE511901A (en) * 1951-06-08

Also Published As

Publication number Publication date
US2214916A (en) 1940-09-17
GB493674A (en) 1938-10-12
DE720474C (en) 1942-05-07

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