[go: up one dir, main page]

FR614164A - Improvements to telephone and radiotelephone reception devices - Google Patents

Improvements to telephone and radiotelephone reception devices

Info

Publication number
FR614164A
FR614164A FR614164DA FR614164A FR 614164 A FR614164 A FR 614164A FR 614164D A FR614164D A FR 614164DA FR 614164 A FR614164 A FR 614164A
Authority
FR
France
Prior art keywords
telephone
reception devices
radiotelephone
radiotelephone reception
devices
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)
Inventor
Salvatore Bertini
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 filed Critical
Application granted granted Critical
Publication of FR614164A publication Critical patent/FR614164A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/76Wired systems
    • H04H20/82Wired systems using signals not modulated onto a carrier
    • H04H20/83Wired systems using signals not modulated onto a carrier not sharing the network with any other service

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR614164D 1926-04-07 1926-04-07 Improvements to telephone and radiotelephone reception devices Expired FR614164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR614164T 1926-04-07

Publications (1)

Publication Number Publication Date
FR614164A true FR614164A (en) 1926-12-08

Family

ID=8980013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614164D Expired FR614164A (en) 1926-04-07 1926-04-07 Improvements to telephone and radiotelephone reception devices

Country Status (1)

Country Link
FR (1) FR614164A (en)

Similar Documents

Publication Publication Date Title
FR629349A (en) Improvements to television sets and similar devices
FR636865A (en) Improvements to electro-dynamic devices
FR614164A (en) Improvements to telephone and radiotelephone reception devices
FR668453A (en) Improvements to telephone receiving devices
FR627183A (en) Improvements to television sets
FR645452A (en) Improvements to telephone devices
FR639320A (en) Improvements to hearing devices
FR581681A (en) Improvements to telegraphy and wireless telephone receivers
FR626958A (en) Improvements to metallurgical devices
FR618338A (en) Improvements to telephone reception devices
FR638203A (en) Improvements to telegraph receiving devices
FR638204A (en) Improvements to telegraph receiving devices
FR618120A (en) Improvements to telephone receivers
FR621186A (en) Improvements to telegraphy and cordless telephone receivers
FR631852A (en) Improvements to loudspeaker telephone receivers
FR692380A (en) Improvements to telephone devices
FR676057A (en) Improvement in reception devices of t stations. s. f.
FR690418A (en) Improvements to telegraph devices
FR658854A (en) Improvements to devices for permanent waves
FR632153A (en) Phone enhancements
FR638667A (en) Improvements to radio receivers
FR641201A (en) Improvements to telephone receivers
FR688954A (en) Improvements to telephone devices
FR628753A (en) Telephone receiver
FR626260A (en) Telephone receiver