FR981931A - Improvements to radio wave transmission systems - Google Patents

Improvements to radio wave transmission systems

Info

Publication number
FR981931A
FR981931A FR981931DA FR981931A FR 981931 A FR981931 A FR 981931A FR 981931D A FR981931D A FR 981931DA FR 981931 A FR981931 A FR 981931A
Authority
FR
France
Prior art keywords
radio wave
wave transmission
transmission systems
systems
radio
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR981931A publication Critical patent/FR981931A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
FR981931D 1943-05-14 1943-05-14 Improvements to radio wave transmission systems Expired FR981931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981931T 1943-05-14

Publications (1)

Publication Number Publication Date
FR981931A true FR981931A (en) 1951-06-01

Family

ID=9534961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981931D Expired FR981931A (en) 1943-05-14 1943-05-14 Improvements to radio wave transmission systems

Country Status (1)

Country Link
FR (1) FR981931A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956600C (en) * 1954-01-01 1957-01-24 Pintsch Electro G M B H Arrangement for generating frequency-modulated RF oscillations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956600C (en) * 1954-01-01 1957-01-24 Pintsch Electro G M B H Arrangement for generating frequency-modulated RF oscillations

Similar Documents

Publication Publication Date Title
ES175936A1 (en) IMPROVEMENTS IN TRANSMISSION SYSTEMS
FR927257A (en) Improvements to television systems
FR928707A (en) Improvements to antenna systems
FR915997A (en) Improvements to refrigeration systems
FR939241A (en) Improvements to antenna systems
FR947860A (en) Wave transmission device
FR931310A (en) Improvements to telecommunication systems
FR951028A (en) Radio antenna coupling systems
FR938192A (en) Improvements to electrical signal transmission systems
FR941633A (en) Improvements to communications and signaling systems
FR931782A (en) Improvements to antenna coupling systems
FR938252A (en) Improvements to communication and signaling systems
FR932829A (en) Improvements to radio-electric antenna systems
FR925551A (en) Improvements to wave amplifier systems
FR981931A (en) Improvements to radio wave transmission systems
FR57664E (en) Enhancements to multiple communication systems
FR988008A (en) Improvements to facsimile transmission systems
FR902432A (en) Improvements to UHF mixing systems
FR908726A (en) Improvements to frequency modulated wave transmitters
FR977790A (en) Improvements made to belt transmission systems
FR53193E (en) Improvements to Ultra Shortwave Directed Beam Systems
FR982405A (en) Guided wave filters
FR943300A (en) Improvements to directional antenna systems
FR902486A (en) Improvements to oscillating systems for ultra short waves
FR915970A (en) Improvements to refrigeration systems