FR802176A - Dispositif de réception de programmes transmis par l'intermédiaire d'un réseau téléphonique au moyen d'oscillations à basse fréquence
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Dispositif de réception de programmes transmis par l'intermédiaire d'un réseau téléphonique au moyen d'oscillations à basse fréquence
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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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of FR802176ApublicationCriticalpatent/FR802176A/fr
H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04H—BROADCAST COMMUNICATION
H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
H04H20/65—Arrangements characterised by transmission systems for broadcast
H04H20/76—Wired systems
H04H20/77—Wired systems using carrier waves
H04H20/81—Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/02—Constructional features of telephone sets
H04M1/04—Supports for telephone transmitters or receivers
H04M1/06—Hooks; Cradles
H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Telephonic Communication Services
(AREA)
FR802176D1935-03-081936-02-21Dispositif de réception de programmes transmis par l'intermédiaire d'un réseau téléphonique au moyen d'oscillations à basse fréquence
ExpiredFR802176A
(fr)
Procédé et dispositif pour adjoindre un canal de transmission supplémentaire, par exemple un canal de service, au trajet de transmission d'une ligne de télécommunications à fréquence porteuse