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.)
Publication of NL42490CpublicationCriticalpatent/NL42490C/xx
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