GB446044A - Improvements in or relating to arrangements for receiving programmes transmitted through a telephone network with the aid of low frequency oscillations, comprising an amplifier which is to be connected to the telephone lines through a switch - Google Patents

Improvements in or relating to arrangements for receiving programmes transmitted through a telephone network with the aid of low frequency oscillations, comprising an amplifier which is to be connected to the telephone lines through a switch

Info

Publication number
GB446044A
GB446044A GB16170/35A GB1617035A GB446044A GB 446044 A GB446044 A GB 446044A GB 16170/35 A GB16170/35 A GB 16170/35A GB 1617035 A GB1617035 A GB 1617035A GB 446044 A GB446044 A GB 446044A
Authority
GB
United Kingdom
Prior art keywords
amplifier
call
telephone
programme
arrangements
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
GB16170/35A
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
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB446044A publication Critical patent/GB446044A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • 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)

Abstract

446,044. Distributing music. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. June 4, 1935, No. 16170. Convention date, March 8. [Class 40 (iv)] In a system in which low-frequency programme matter is distributed over telephone lines, the insertion of the power supply plug of the programme amplifier V energizes a relay Re3 which cuts off the telephone set and connects the amplifier to the line 1, 2 and means are provided for disconnecting the amplifier when a telephone call is originated or received and automatically connecting it up again on the termination of the call. On the arrival of a call, ringing current, rectified at G, energizes Re2 which locks up and cuts off Re3. When the receiver is removed, whether to answer or to originate a call, Re1 pulls up over the loop and disconnects Re3, Re2. On the termination of the call, the relapse of Re1 allows Re3 to connect up the amplifier again. The system may be used for enabling the subscriber to disconnect the programme apparatus, if lie has gone out and left it connected up by mistake, by ringing his own line.
GB16170/35A 1935-03-08 1935-06-04 Improvements in or relating to arrangements for receiving programmes transmitted through a telephone network with the aid of low frequency oscillations, comprising an amplifier which is to be connected to the telephone lines through a switch Expired GB446044A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL446044X 1935-03-08

Publications (1)

Publication Number Publication Date
GB446044A true GB446044A (en) 1936-04-23

Family

ID=19786276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16170/35A Expired GB446044A (en) 1935-03-08 1935-06-04 Improvements in or relating to arrangements for receiving programmes transmitted through a telephone network with the aid of low frequency oscillations, comprising an amplifier which is to be connected to the telephone lines through a switch

Country Status (4)

Country Link
BE (1) BE413991A (en)
FR (1) FR802176A (en)
GB (1) GB446044A (en)
NL (1) NL42490C (en)

Also Published As

Publication number Publication date
FR802176A (en) 1936-08-29
BE413991A (en)
NL42490C (en)

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