GB191314729A - Improvements in or relating to Loud Speaking Telephone Stations. - Google Patents

Improvements in or relating to Loud Speaking Telephone Stations.

Info

Publication number
GB191314729A
GB191314729A GB191314729DA GB191314729A GB 191314729 A GB191314729 A GB 191314729A GB 191314729D A GB191314729D A GB 191314729DA GB 191314729 A GB191314729 A GB 191314729A
Authority
GB
United Kingdom
Prior art keywords
relating
telephone stations
microphone
speaking telephone
funnels
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
Inventor
Harold Wade
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191314729A publication Critical patent/GB191314729A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

14,729. Wade, H., [Elektrizitõts Akt.-Ges. Hydrawerk]. June 25. Telephones, mounting and supporting; mouthpieces and ear-pieces.- A loud - speaking telephone receiver T and microphone M a r e mounted in a recess in the masonry outside a house &c., and are provided with S - shaped funnels t1, t2 attached to the removable front plate P by screws. The funnels are shaped so that all moisture drains away and no instrument can be inserted to damage the diaphragms. The microphone and telephone may be fixed to the front plate by rigid rods, or may be mounted on a sounding-board W attached to the brickwork by pins w.
GB191314729D 1913-06-25 1913-06-25 Improvements in or relating to Loud Speaking Telephone Stations. Expired GB191314729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191314729T 1913-06-25

Publications (1)

Publication Number Publication Date
GB191314729A true GB191314729A (en) 1913-12-04

Family

ID=32371658

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191314729D Expired GB191314729A (en) 1913-06-25 1913-06-25 Improvements in or relating to Loud Speaking Telephone Stations.

Country Status (1)

Country Link
GB (1) GB191314729A (en)

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