[go: up one dir, main page]

FR619632A - Switch particularly applicable in wireless telephony and telegraphy - Google Patents

Switch particularly applicable in wireless telephony and telegraphy

Info

Publication number
FR619632A
FR619632A FR619632DA FR619632A FR 619632 A FR619632 A FR 619632A FR 619632D A FR619632D A FR 619632DA FR 619632 A FR619632 A FR 619632A
Authority
FR
France
Prior art keywords
telegraphy
particularly applicable
wireless telephony
switch particularly
switch
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
Other languages
French (fr)
Inventor
Pierre-Albert Gandillon
William-George-Arthu Turner
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 filed Critical
Application granted granted Critical
Publication of FR619632A publication Critical patent/FR619632A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00Variable inductances or transformers of the signal type
    • H01F21/12Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR619632D 1925-12-10 1925-12-10 Switch particularly applicable in wireless telephony and telegraphy Expired FR619632A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR619632T 1925-12-10

Publications (1)

Publication Number Publication Date
FR619632A true FR619632A (en) 1927-04-06

Family

ID=8983818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR619632D Expired FR619632A (en) 1925-12-10 1925-12-10 Switch particularly applicable in wireless telephony and telegraphy

Country Status (1)

Country Link
FR (1) FR619632A (en)

Similar Documents

Publication Publication Date Title
FR34315E (en) Improvements to telegraphy and wireless telephony antennas
FR619632A (en) Switch particularly applicable in wireless telephony and telegraphy
FR635782A (en) Improvements in telegraphy and wireless telephony devices
FR678529A (en) Improvements to antennas usable in telegraphy and wireless telephony
FR577339A (en) Improvements in ferromagnetic circuit reactance coils used in telegraphy and wireless telephony
FR564527A (en) Improvements to telegraphy and wireless telephony antennas
FR644260A (en) Contactor more particularly applicable to wireless telephony and telegraphy
FR606557A (en) Improvements in wireless telephony and telegraphy receiving stations
FR647204A (en) Improvements in telegraphy and wireless telephony
FR640044A (en) Improvements in wireless telephony and telegraphy stations
FR638781A (en) Improvements in wireless telephony and telegraphy receiving stations
FR622255A (en) Choke coil more particularly applicable to wireless telephony and telegraphy
FR601219A (en) Improvements in telegraph and wireless telephony stations
FR591810A (en) New antenna frame for telegraphy, telephony and wireless telemechanics
FR580634A (en) Transmission and reception mode in wireless telegraphy and telephony
FR652980A (en) New frequency changer in telegraphy and wireless telephony
ES105748A1 (en) Perfections in telegraphy and telephony.
FR564885A (en) Telephone receiver applicable in particular to wireless telephony
FR682106A (en) Improvements in telegraphy and wireless telephony devices
FR659974A (en) Improvements in the assembly of wireless telephony and telegraphy stations
FR586287A (en) Improvements in the construction of variable air condensers and similar apparatus, particularly applicable to wireless telephony and telegraphy
AU423626A (en) Improvements in or relating to wireless telegraphy and telephony
FR567645A (en) Improvements in wireless telephony
ES78694A1 (en) Improvements in wireless telegraphy and telephony.
FR616465A (en) Development of capacitors used in telegraphy and wireless telephony