GB191514232A - Improvements in or relating to Portable Telephone and Telegraph Instruments. - Google Patents

Improvements in or relating to Portable Telephone and Telegraph Instruments.

Info

Publication number
GB191514232A
GB191514232A GB191514232DA GB191514232A GB 191514232 A GB191514232 A GB 191514232A GB 191514232D A GB191514232D A GB 191514232DA GB 191514232 A GB191514232 A GB 191514232A
Authority
GB
United Kingdom
Prior art keywords
relating
portable telephone
telegraph instruments
coil
telegraph
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
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.)
INTERNAT ELECTRIC Co Ltd
ROBERT GUSTAV LE NOIR
Original Assignee
INTERNAT ELECTRIC Co Ltd
ROBERT GUSTAV LE NOIR
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 INTERNAT ELECTRIC Co Ltd, ROBERT GUSTAV LE NOIR filed Critical INTERNAT ELECTRIC Co Ltd
Publication of GB191514232A publication Critical patent/GB191514232A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/02—Details not particular to receiver or transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

14,232. International Electric Co., and Le Noir, R. G. Oct. 7. Transformers.-The interrupter G of an induction coil F of a portable telegraph set is mounted to lie parallel with the axis of the coil, and the condenser is held in lugs on an end plate of the coil.
GB191514232D 1915-10-07 1915-10-07 Improvements in or relating to Portable Telephone and Telegraph Instruments. Expired GB191514232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191514232T 1915-10-07

Publications (1)

Publication Number Publication Date
GB191514232A true GB191514232A (en) 1916-10-05

Family

ID=34361786

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191514232D Expired GB191514232A (en) 1915-10-07 1915-10-07 Improvements in or relating to Portable Telephone and Telegraph Instruments.

Country Status (2)

Country Link
FR (1) FR492380A (en)
GB (1) GB191514232A (en)

Also Published As

Publication number Publication date
FR492380A (en) 1919-07-05

Similar Documents

Publication Publication Date Title
GB191514232A (en) Improvements in or relating to Portable Telephone and Telegraph Instruments.
US2432424A (en) Electromagnetic sound translating device
US1238439A (en) Telephone for transmitting and reproducing sounds.
GB312979A (en) Improvements in loud speakers and the like
GB191004669A (en) An Electrical Transmission Dynamometer.
GB191217388A (en) Improvements in Electrical Recording Instruments.
GB119797A (en) Improvements in Buzzer Sets for Learning Telegraphy.
GB191009071A (en) Improvements in Covers for Electric Magnetic Relays.
GB105180A (en) Improvements in Magneto-electric Machines.
GB117020A (en) Improvements in the Production of Alternating Current for Signalling in Telephonic and other Systems.
GB498986A (en) Improvements in or relating to electric current converters
GB190911223A (en) Improvements relating to Electric Ignition Apparatus for Internal Combustion Engines.
GB191509411A (en) Improvement in Electrically Operated Bells.
GB191305961A (en) Improvements in and relating to Systems of Electrical Distribution.
GB266716A (en)
GB111100A (en) Improvements in Magneto-electric Ignition Apparatus.
GB190515121A (en) Improvements in and relating to Electric Sparking Coils.
GB227995A (en) Improvements in and connected with electric inductance coils
GB159122A (en) Improvements in telephone and like circuits
GB191508895A (en) Improvements in Arrangements for Protecting Telephone, Telegraph and the like Instruments against Lightning or Excessive Electric Potentials.
GB190705050A (en) Ignition System for Explosion Engines.
GB141047A (en) Improvements relating to signalling by high-frequency currents, as in wireless telephony
GB127758A (en) Improvements in Telephone Receivers.
GB114588A (en) Improvements in and relating to Magneto Electric Machines.
GB190408321A (en) Improvements in Receiving Apparatus for use in Wireless Telegraphy.