ES71722A1 - Improvements in electrical devices for signal transmission. - Google Patents

Improvements in electrical devices for signal transmission.

Info

Publication number: ES71722A1
Authority: ES; Spain
Prior art keywords: signal transmission; electrical devices; electrical; devices; transmission
Prior art date: 1919-12-15
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

ES71722A

Other languages

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.)

1919-12-15

Filing date

1919-12-15

Publication date

1920-03-01

1919-12-15 Application filed by Individual filed Critical Individual

1919-12-15 Priority to ES71722A priority Critical patent/ES71722A1/en

1920-03-01 Publication of ES71722A1 publication Critical patent/ES71722A1/en

Status Expired legal-status Critical Current

Links

ES71722A 1919-12-15 1919-12-15 Improvements in electrical devices for signal transmission. Expired ES71722A1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
ES71722A ES71722A1 (en)	1919-12-15	1919-12-15	Improvements in electrical devices for signal transmission.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ES71722A ES71722A1 (en)	1919-12-15	1919-12-15	Improvements in electrical devices for signal transmission.

Publications (1)

Publication Number	Publication Date
ES71722A1 true ES71722A1 (en)	1920-03-01

Family

ID=64243457

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES71722A Expired ES71722A1 (en)	1919-12-15	1919-12-15	Improvements in electrical devices for signal transmission.

Country Status (1)

Country	Link
ES (1)	ES71722A1 (en)

1919
- 1919-12-15 ES ES71722A patent/ES71722A1/en not_active Expired

Similar Documents

Publication	Publication Date	Title
ES71722A1 (en)	1920-03-01	Improvements in electrical devices for signal transmission.
FR498853A (en)	1920-01-24	Transmission Mechanism
ES70490A1 (en)	1919-09-01	Improvements in radiotelegraph transmission systems.
ES70492A1 (en)	1919-09-01	Improvements in radiotelegraph transmission systems.
ES70829A1 (en)	1919-10-16	Improvements in radiotelegraph transmission systems.
ES71725A1 (en)	1920-03-01	Improvements in radiotelegraphic transmission systems.
DK26456C (en)	1920-08-16	Power transmission.
DK32409C (en)	1923-10-22	Electrical Signal System.
DK33197C (en)	1924-05-12	Electrical Signal System.
DK33987C (en)	1924-12-22	Electrical Signal System.
DK30180C (en)	1922-09-04	Electrical Signal Apparatus.
FR510025A (en)	1920-11-25	Force transmission mechanism
FR501112A (en)	1920-04-02	Transmission Mechanism
DK30473C (en)	1922-10-16	Electrical Train Signaling System.
ES71437A1 (en)	1920-01-28	Improvements in power transmission.
CH95388A (en)	1922-07-01	Measuring device.
DK32188C (en)	1923-08-27	Electrical Signaling System.
DK30680C (en)	1922-11-13	Electrical Contact Device.
DK24482C (en)	1919-05-05	Field tow.
ES73103A1 (en)	1920-06-10	Improvements in receiving devices for telegraphic transmission.
ES73102A1 (en)	1920-06-10	Improvements in receiving devices for telegraphic transmission.
DK24222C (en)	1919-03-17	Electromagnetic Power Transmission Apparatus.
DK25874C (en)	1920-04-26	Line device.
ES70976A1 (en)	1919-11-01	Improvements in radiotelegraphy systems.
ES73442A1 (en)	1920-07-16	Improvements in radiotelegraphy signal transmission systems.