[go: up one dir, main page]

ES64407A1 - Improvements in wireless telegraphy and telephony. - Google Patents

Improvements in wireless telegraphy and telephony.

Info

Publication number
ES64407A1
ES64407A1 ES64407A ES64407A ES64407A1 ES 64407 A1 ES64407 A1 ES 64407A1 ES 64407 A ES64407 A ES 64407A ES 64407 A ES64407 A ES 64407A ES 64407 A1 ES64407 A1 ES 64407A1
Authority
ES
Spain
Prior art keywords
telephony
wireless telegraphy
telegraphy
wireless
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
ES64407A
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 ES64407A priority Critical patent/ES64407A1/en
Publication of ES64407A1 publication Critical patent/ES64407A1/en
Expired legal-status Critical Current

Links

ES64407A 1917-04-30 1917-04-30 Improvements in wireless telegraphy and telephony. Expired ES64407A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES64407A ES64407A1 (en) 1917-04-30 1917-04-30 Improvements in wireless telegraphy and telephony.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES64407A ES64407A1 (en) 1917-04-30 1917-04-30 Improvements in wireless telegraphy and telephony.

Publications (1)

Publication Number Publication Date
ES64407A1 true ES64407A1 (en) 1917-05-16

Family

ID=64235372

Family Applications (1)

Application Number Title Priority Date Filing Date
ES64407A Expired ES64407A1 (en) 1917-04-30 1917-04-30 Improvements in wireless telegraphy and telephony.

Country Status (1)

Country Link
ES (1) ES64407A1 (en)

Similar Documents

Publication Publication Date Title
ES64407A1 (en) Improvements in wireless telegraphy and telephony.
ES61989A1 (en) Improvements in wireless telegraphy and telephony.
ES67413A2 (en) Improvements in wireless telegraphy or telephony.
ES62151A3 (en) Improvements in receivers for telegraphy and wireless telephony.
ES64738A1 (en) Improvements in telegraphy in general.
ES76628A1 (en) Improvements in wireless telegraphy and telephony and similar services.
ES58402A1 (en) Improvements in antennas for telegraphy and wireless telephony.
ES65099A3 (en) Improvements in electrical wave production devices and their use in wireless telephony.
ES61164A1 (en) Improvements in telegraphy.
DK22091C (en) Pocket phone and microphone.
DK22015C (en) Telegraph.
DK22633C (en) Combined Package Holder and Cyklelaas.
DK21914C (en) Transmitter device for wireless Telegraphy and Telephony.
ES76663A1 (en) Improvements in amplifying devices used in wireless telegraphy and telephony.
ES78694A1 (en) Improvements in wireless telegraphy and telephony.
ES75204A1 (en) Improvements in antenna systems and installations used in telegraphy and wireless telephony.
ES64003A1 (en) Improvements in tilting ovens and similar devices.
ES65713A1 (en) A wireless telegraphy and telephone system.
DK24991C (en) Hammer switch for radio telegraphy and similar purposes.
ES64087A3 (en) Improvements in telephone transmissions.
GB116600A (en) Improvements in Make and Break Devices.
DK27567C (en) Receiving device for use in radio telegraphy and telephony.
ES65078A1 (en) Improvements in brooches.
DK21830C (en) Transmission Station for Wireless Telegraphy and Telephony.
ES64086A3 (en) Improvements in telephone transmitters.