GB384134A - Improvements in or relating to devices for controlling the sound intensity in low-frequency distribution systems and like purposes - Google Patents

Improvements in or relating to devices for controlling the sound intensity in low-frequency distribution systems and like purposes

Info

Publication number
GB384134A
GB384134A GB4714/32A GB471432A GB384134A GB 384134 A GB384134 A GB 384134A GB 4714/32 A GB4714/32 A GB 4714/32A GB 471432 A GB471432 A GB 471432A GB 384134 A GB384134 A GB 384134A
Authority
GB
United Kingdom
Prior art keywords
sound intensity
loud
relating
purposes
controlling
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
GB4714/32A
Other languages
English (en)
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 GB384134A publication Critical patent/GB384134A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04H20/82—Wired systems using signals not modulated onto a carrier
    • H04H20/83—Wired systems using signals not modulated onto a carrier not sharing the network with any other service
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB4714/32A 1931-06-24 1932-02-17 Improvements in or relating to devices for controlling the sound intensity in low-frequency distribution systems and like purposes Expired GB384134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL384134X 1931-06-24

Publications (1)

Publication Number Publication Date
GB384134A true GB384134A (en) 1932-12-01

Family

ID=19785679

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4714/32A Expired GB384134A (en) 1931-06-24 1932-02-17 Improvements in or relating to devices for controlling the sound intensity in low-frequency distribution systems and like purposes

Country Status (3)

Country Link
FR (1) FR733746A (fr)
GB (1) GB384134A (fr)
NL (1) NL37561C (fr)

Also Published As

Publication number Publication date
NL37561C (fr)
FR733746A (fr) 1932-10-10

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