ES72722A1 - Improvements in thermionic transmitters for telegraphy and wireless telephony. - Google Patents

Improvements in thermionic transmitters for telegraphy and wireless telephony.

Info

Publication number
ES72722A1
ES72722A1 ES72722A ES72722A ES72722A1 ES 72722 A1 ES72722 A1 ES 72722A1 ES 72722 A ES72722 A ES 72722A ES 72722 A ES72722 A ES 72722A ES 72722 A1 ES72722 A1 ES 72722A1
Authority
ES
Spain
Prior art keywords
telegraphy
thermionic
transmitters
wireless telephony
telephony
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
ES72722A
Other languages
Spanish (es)
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to ES72722A priority Critical patent/ES72722A1/en
Publication of ES72722A1 publication Critical patent/ES72722A1/en
Expired legal-status Critical Current

Links

ES72722A 1920-02-23 1920-02-23 Improvements in thermionic transmitters for telegraphy and wireless telephony. Expired ES72722A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES72722A ES72722A1 (en) 1920-02-23 1920-02-23 Improvements in thermionic transmitters for telegraphy and wireless telephony.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES72722A ES72722A1 (en) 1920-02-23 1920-02-23 Improvements in thermionic transmitters for telegraphy and wireless telephony.

Publications (1)

Publication Number Publication Date
ES72722A1 true ES72722A1 (en) 1920-05-10

Family

ID=64242528

Family Applications (1)

Application Number Title Priority Date Filing Date
ES72722A Expired ES72722A1 (en) 1920-02-23 1920-02-23 Improvements in thermionic transmitters for telegraphy and wireless telephony.

Country Status (1)

Country Link
ES (1) ES72722A1 (en)

Similar Documents

Publication Publication Date Title
ES72722A1 (en) Improvements in thermionic transmitters for telegraphy and wireless telephony.
ES75203A1 (en) Improvements in thermionic devices for wireless telegraphy.
ES72565A1 (en) Provision for reception in telegraphy and wireless telephony.
ES73016A1 (en) Improvements in receiver systems for telegraphy and wireless telephony.
ES73073A1 (en) Improvements in receivers for telegraphy and wireless telegraphy.
ES73014A1 (en) Improvements in thermal receiving devices for telegraphy and wireless telephony.
ES72572A1 (en) Improvements in wireless telegraphy.
ES72409A1 (en) Improvements in telephone installations and especially for wireless telegraphy.
ES77180A1 (en) Improvements in wireless telegraphy.
ES78692A1 (en) Improvements in wireless telegraphy.
ES78875A1 (en) Improvements in wireless telegraphy.
ES94562A1 (en) Improvements in transmitters for wireless telegraphy.
ES75794A1 (en) Improvements in receivers for wireless telegraphy.
ES76663A1 (en) Improvements in amplifying devices used in wireless telegraphy and telephony.
ES76628A1 (en) Improvements in wireless telegraphy and telephony and similar services.
ES95091A1 (en) A provision for reception in telegraphy and wireless telephony.
ES73015A1 (en) A perfected device for wireless telegraphy and telephony.
ES78694A1 (en) Improvements in wireless telegraphy and telephony.
ES94404A1 (en) Improvements in antennas for telegraphy and wireless telephones.
ES72530A1 (en) Improvements in wireless telegraphy systems.
ES83229A1 (en) Improvements in receiving apparatus for wireless telegraphy.
ES72367A1 (en) A receiving arrangement for wireless telegraphy.
ES95275A1 (en) Transmitting station for wireless telegraphy and telephony.
ES72083A1 (en) Multiple telegraphy and telephony.
ES97290A1 (en) Improvements in receiving devices for telegraphy and wireless telephony.