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» REGISTRATI
Brevetti
| Anno (*) | Numero | Edizione | Titolo |
|---|---|---|---|
| 1896 |
12.039
|
4a
|
Improvements in transmitting electrical impulses and signals in apparatus therefor [/binary/min_comunicazioni/biblio_brevetti/12,039.pdf]
(45 MByte - pdf)
|
| 1898 |
12.325
|
3a
|
Improvements in apparatus employed in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/12,325.pdf]
(11 MByte - pdf)
|
| 1898 |
12.326
|
4a
|
Improvements in apparatus employed in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/12,326.pdf]
(24 MByte - pdf)
|
| 1899 |
5657
|
2a
|
Improvements in apparatus employed in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/5657.pdf]
(9 MByte - pdf)
|
| 1899 |
6982
|
3a
|
Improvements in apparatus employed in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/6982.pdf]
(22 MByte - pdf)
|
| 1899 |
25.186
|
3a
|
Improvements in apparatus employed in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/25,186.pdf]
(10 MByte - pdf)
|
| 1900 |
7777
|
5a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/7777.pdf]
(25 MByte - pdf)
|
| 1900 |
18.865
|
2a
|
Improvements in apparatus for the production of electrical oscillations [/binary/min_comunicazioni/biblio_brevetti/18,865.pdf]
(23 MByte - pdf)
|
| 1900 |
20.576
|
3a
|
Improvements in apparatus for signalling by wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/20,576.pdf]
(14 MByte - pdf)
|
| 1900 |
22.126
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/22,126.pdf]
(15 MByte - pdf)
|
| 1900 |
23.163
|
3a
|
Improvements in portable apparatus for wireless telegraphy for military and other purposes [/binary/min_comunicazioni/biblio_brevetti/23,163.pdf]
(11 MByte - pdf)
|
| 1901 |
409
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/409.pdf]
(6 MByte - pdf)
|
| 1901 |
410
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/410.pdf]
(9 MByte - pdf)
|
| 1901 |
411
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/411.pdf]
(6 MByte - pdf)
|
| 1901 |
3481
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/3481.pdf]
(23 MByte - pdf)
|
| 1901 |
18.105
|
2a
|
Improvements in coherers or detectors for electrical waves [/binary/min_comunicazioni/biblio_brevetti/18,105.pdf]
(7 MByte - pdf)
|
| 1901 |
24.825
|
2a
|
Improvements in methods for producing electric waves [/binary/min_comunicazioni/biblio_brevetti/24,825.pdf]
(11 MByte - pdf)
|
| 1902 |
10.245
|
4a
|
Improvements in receivers suitable for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/10,245.pdf]
(11 MByte - pdf)
|
| 1902 |
25.658
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/25,658.pdf]
(19 MByte - pdf)
|
| 1903 |
15.199
|
2a
|
Improvements in induction coil for the ignition apparatus for motors [/binary/min_comunicazioni/biblio_brevetti/15,199.pdf]
(7 MByte - pdf)
|
| 1903 |
19.015
|
2a
|
Improvements in contact especially suitable for induction coils [/binary/min_comunicazioni/biblio_brevetti/19,015.pdf]
(7 MByte - pdf)
|
| 1903 |
25.381
|
Improvements in circuit breakers and closers especially suitable for the trasmitting instruments used in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/25,381.pdf]
(10 MByte - pdf)
|
|
| 1903 |
25.382
|
2a
|
Improvements in telegraphic signalling keys [/binary/min_comunicazioni/biblio_brevetti/25,382.pdf]
(9 MByte - pdf)
|
| 1903 |
25.383
|
2a
|
Improvements in the transmitting instruments for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/25,383.pdf]
(16 MByte - pdf)
|
| 1904 |
21.640
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/21,640.pdf]
(7 MByte - pdf)
|
| 1904 |
4869
|
2a
|
Improvements in Wireless Telegraphy [/binary/min_comunicazioni/biblio_brevetti/4869.pdf]
(8 MByte - pdf)
|
| 1904 |
5113
|
2a
|
Improvements in transmitters suitable for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/5113.pdf]
(9 MByte - pdf)
|
| 1904 |
21.641
|
2a
|
Improvements in safety devices in connection with radio telegraphic transmission circuits [/binary/min_comunicazioni/biblio_brevetti/21,641.pdf]
(7 MByte - pdf)
|
| 1904 |
26.748
|
2a
|
Improvements in apparatus for controlling telegraphic recorders and other instruments [/binary/min_comunicazioni/biblio_brevetti/26,748.pdf]
(10 MByte - pdf)
|
| 1904 |
27.683
|
2a
|
Improvements in instruments for the measurement of wave lenghts in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/27,683.pdf]
(17 MByte - pdf)
|
| 1905 |
1681
|
2a
|
Improvements in insulators for electric conductors [/binary/min_comunicazioni/biblio_brevetti/1681.pdf]
(4 MByte - pdf)
|
| 1905 |
14.788
|
2a
|
Improvements in or relating to wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/14,788.pdf]
(14 MByte - pdf)
|
| 1905 |
16.656
|
2a
|
Improvements in tremblers for electric sparking apparatus [/binary/min_comunicazioni/biblio_brevetti/16,656.pdf]
(8 MByte - pdf)
|
| 1906 |
3127
|
2a
|
Improved apparatus for use in connection with electric wave telegraphy [/binary/min_comunicazioni/biblio_brevetti/3127.pdf]
(9 MByte - pdf)
|
| 1906 |
15.909
|
2a
|
Improvements in and relating to variable electric condensers [/binary/min_comunicazioni/biblio_brevetti/15,909.pdf]
(11 MByte - pdf)
|
| 1906 |
15.910
|
2a
|
Improvements in electric sparking mechanism, applicable especially for effecting ignition in internal combustion engines [/binary/min_comunicazioni/biblio_brevetti/15,910.pdf]
(8 MByte - pdf)
|
| 1907 |
887
|
2a
|
Improvements in receivers for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/887.pdf]
(8 MByte - pdf)
|
| 1907 |
4593
|
3a
|
Improvements in transmitting apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/4593.pdf]
(21 MByte - pdf)
|
| 1907 |
8462
|
3a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/8462.pdf]
(12 MByte - pdf)
|
| 1907 |
8463
|
3a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/8463.pdf]
(12 MByte - pdf)
|
| 1907 |
12.827
|
Improved means for governing engines [/binary/min_comunicazioni/biblio_brevetti/12,827.pdf]
(5 MByte - pdf)
|
|
| 1907 |
12.960
|
2a
|
Improvements in receiving apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/12,960.pdf]
(17 MByte - pdf)
|
| 1907 |
20.119
|
2a
|
Improvements in transmitters for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/20,119.pdf]
(11 MByte - pdf)
|
| 1907 |
21.651
|
Improvements for receivers for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/21,651.pdf]
(16 MByte - pdf)
|
|
| 1908 |
13.518
|
2a
|
Improvements in instruments for detecting electric oscillations [/binary/min_comunicazioni/biblio_brevetti/13,518.pdf]
(18 MByte - pdf)
|
| 1908 |
16.546
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/16,546.pdf]
(21 MByte - pdf)
|
| 1908 |
17.505
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/17,505.pdf]
(8 MByte - pdf)
|
| 1908 |
26.588
|
Improvementsin apparatus for measuring electro-magnetic wave lengths [/binary/min_comunicazioni/biblio_brevetti/26,588.pdf]
(10 MByte - pdf)
|
|
| 1909 |
185
|
2a
|
Improvements in instruments for measuring the decrement of electromagnetic oscillations [/binary/min_comunicazioni/biblio_brevetti/185.pdf]
(16 MByte - pdf)
|
| 1909 |
4125
|
2a
|
Improvements in receivers for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/4125.pdf]
(13 MByte - pdf)
|
| 1909 |
8581
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/8581.pdf]
(8 MByte - pdf)
|
|
| 1909 |
8582
|
2a
|
Improvements in transmitters for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/8582.pdf]
(8 MByte - pdf)
|
| 2007 |
11.544
|
2a
|
Improvements in apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/11,544.pdf]
(14 MByte - pdf)
|
| 1909 |
18.524
|
2a
|
Improvements in transmitting apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/18,524.pdf]
(8 MByte - pdf)
|
| 1909 |
18.922
|
2a
|
Improvements in receiving apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/18,922.pdf]
(16 MByte - pdf)
|
| 1909 |
20.229
|
2a
|
Improvements in transmitting apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/20,229.pdf]
(8 MByte - pdf)
|
| 1909 |
20.230
|
2a
|
Improvements in wireless telegraph transmitting and receiving stations [/binary/min_comunicazioni/biblio_brevetti/20,230.pdf]
(8 MByte - pdf)
|
| 1910 |
4910
|
2a
|
Improvements in wireless telegraph receiving stations [/binary/min_comunicazioni/biblio_brevetti/4910.pdf]
(10 MByte - pdf)
|
| 1910 |
11.359
|
2a
|
Improvements in portable apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/11,359.pdf]
(10 MByte - pdf)
|
| 1910 |
11.360
|
Improved means for carrying portable motors and dynamos on horseback [/binary/min_comunicazioni/biblio_brevetti/11,360.pdf]
(7 MByte - pdf)
|
|
| 1910 |
20.441
|
3a
|
Improvements in receiving apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/20,441.pdf]
(12 MByte - pdf)
|
| 1910 |
23.242
|
Improvements in transmitting apparatus for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/23,242.pdf]
(14 MByte - pdf)
|
|
| 1911 |
13.020
|
2a
|
Improvements in installations for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/13,020.pdf]
(11 MByte - pdf)
|
| 1912 |
86
|
2a
|
Improvements in wireless telegraph receivers [/binary/min_comunicazioni/biblio_brevetti/86.pdf]
(8 MByte - pdf)
|
| 1912 |
2456
|
2a
|
Improvements in aerial conductors used in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/2456.pdf]
(11 MByte - pdf)
|
| 1912 |
3055
|
2a
|
Improvements in wireless telegraph receiving apparatus [/binary/min_comunicazioni/biblio_brevetti/3055.pdf]
(13 MByte - pdf)
|
| 1912 |
28.865
|
2a
|
Improvements in wireless telegraph transmitters [/binary/min_comunicazioni/biblio_brevetti/28,865.pdf]
(13 MByte - pdf)
|
| 1913 |
802
|
Improved means for generating alternating electric currents [/binary/min_comunicazioni/biblio_brevetti/802.pdf]
(8 MByte - pdf)
|
|
| 1913 |
2918
|
2a
|
Improvements in transmitting apparatus for use in wireless telegraphy and telephony [/binary/min_comunicazioni/biblio_brevetti/2918.pdf]
(13 MByte - pdf)
|
| 1913 |
2919
|
2a
|
Improvements in transmitting apparatus for use in wireless telegraphy and telephony [/binary/min_comunicazioni/biblio_brevetti/2919.pdf]
(10 MByte - pdf)
|
| 1913 |
7610
|
2a
|
Improvements in transmitting apparatus for use in wireless telegraphy and telephony [/binary/min_comunicazioni/biblio_brevetti/7610.pdf]
(12 MByte - pdf)
|
| 1913 |
11.106
|
2a
|
Improvements in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/11,106.pdf]
(10 MByte - pdf)
|
| 1913 |
11.371
|
2a
|
Improvements in wireless telegraph transmitters [/binary/min_comunicazioni/biblio_brevetti/11,371.pdf]
(15 MByte - pdf)
|
| 1913 |
11.453
|
2a
|
Improved means for detecting continuous electrical oscillations [/binary/min_comunicazioni/biblio_brevetti/11,453.pdf]
(10 MByte - pdf)
|
| 1913 |
13.636
|
2a
|
Improvements in receivers for use in wireless telegraphy and telephony [/binary/min_comunicazioni/biblio_brevetti/13,636.pdf]
(9 MByte - pdf)
|
| 1913 |
13.637
|
3a
|
Improved means for increasing the frequency of alternating currents [/binary/min_comunicazioni/biblio_brevetti/13,637.pdf]
(8 MByte - pdf)
|
| 1913 |
18.326
|
2a
|
Improvements in wireless telegraph receivers [/binary/min_comunicazioni/biblio_brevetti/18,326.pdf]
(11 MByte - pdf)
|
| 1913 |
21.672
|
2a
|
Improvements in the connections of electrical condensers [/binary/min_comunicazioni/biblio_brevetti/21,672.pdf]
(17 MByte - pdf)
|
| 1913 |
23.340
|
Improved means for operating gas valves from a distance [/binary/min_comunicazioni/biblio_brevetti/23,340.pdf]
(7 MByte - pdf)
|
|
| 1913 |
23.557
|
Improvements in high frequency alternators [/binary/min_comunicazioni/biblio_brevetti/23,557.pdf]
(8 MByte - pdf)
|
|
| 1913 |
27.480
|
2a
|
Improvements in receivers for wireless telegrapgy [/binary/min_comunicazioni/biblio_brevetti/27,480.pdf]
(10 MByte - pdf)
|
| 1913 |
28.413
|
2a
|
Improvements in receivers for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/28,413.pdf]
(9 MByte - pdf)
|
| 1914 |
13.247
|
2a
|
Improvements in or relating to vacuous tubes used as magnifiers and producers of continuous electrical oscillations [/binary/min_comunicazioni/biblio_brevetti/13,247.pdf]
(8 MByte - pdf)
|
| 1914 |
13.248
|
2a
|
Improvements in the production of continuous electrical oscillations and in the utilisation thereof for wireless telegraphy and telephony [/binary/min_comunicazioni/biblio_brevetti/13,248.pdf]
(17 MByte - pdf)
|
| 1914 |
24.098
|
2a
|
Improvements in aerials for wireless signalling [/binary/min_comunicazioni/biblio_brevetti/24,098.pdf]
(12 MByte - pdf)
|
| 1915 |
5.371
|
Improvements in the manufacture of electrical condensers [/binary/min_comunicazioni/biblio_brevetti/5,371.pdf]
(7 MByte - pdf)
|
|
| 1915 |
5783
|
2a
|
Improvements in or connected with aerial conductors for wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/5783.pdf]
(11 MByte - pdf)
|
| 1915 |
6476
|
2a
|
Improvements in or relating to the cathodes of vacuous tubes suitable for use in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/6476.pdf]
(6 MByte - pdf)
|
| 1915 |
8926
|
2a
|
Improvements in wireless telegraph receivers [/binary/min_comunicazioni/biblio_brevetti/8926.pdf]
(10 MByte - pdf)
|
| 1915 |
8927
|
2a
|
Improvements in wireless telegraph receivers [/binary/min_comunicazioni/biblio_brevetti/8927.pdf]
(7 MByte - pdf)
|
| 1915 |
11.831
|
2a
|
Improvements in transmitters for wireless telephony [/binary/min_comunicazioni/biblio_brevetti/11,831.pdf]
(8 MByte - pdf)
|
| 1915 |
14.423
|
2a
|
Transformers for increasing the frequency of alternating electric currents [/binary/min_comunicazioni/biblio_brevetti/14,423.pdf]
(10 MByte - pdf)
|
| 1915 |
16.151
|
Improvements in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/16,151.pdf]
(8 MByte - pdf)
|
|
| 1915 |
17.954
|
Improved means for controlling the speed of a machine [/binary/min_comunicazioni/biblio_brevetti/17,954.pdf]
(9 MByte - pdf)
|
|
| 1916 |
101.360
|
Improvements in lock nuts and the like [/binary/min_comunicazioni/biblio_brevetti/101,360.pdf]
(8 MByte - pdf)
|
|
| 1916 |
102.821
|
Improvements in receivers for wireless signals [/binary/min_comunicazioni/biblio_brevetti/102,821.pdf]
(8 MByte - pdf)
|
|
| 1916 |
102.823
|
Improvements in receivers for wireless signals [/binary/min_comunicazioni/biblio_brevetti/102,823.pdf]
(6 MByte - pdf)
|
|
| 1916 |
102.997
|
Improvements in electrical condensers [/binary/min_comunicazioni/biblio_brevetti/102,997.pdf]
(6 MByte - pdf)
|
|
| 1916 |
104.188
|
Improvements in wireless telegraph transmitters [/binary/min_comunicazioni/biblio_brevetti/104,188.pdf]
(9 MByte - pdf)
|
|
| 1916 |
104.189
|
Improvements in wireless telegraph transmitters [/binary/min_comunicazioni/biblio_brevetti/104,189.pdf]
(9 MByte - pdf)
|
|
| 1916 |
104.226
|
Improved means for suspending and insulating electrical conductors [/binary/min_comunicazioni/biblio_brevetti/104,226.pdf]
(9 MByte - pdf)
|
|
| 1916 |
104.385
|
Improvements in the studs or electrodes of electric dischargers [/binary/min_comunicazioni/biblio_brevetti/104,385.pdf]
(6 MByte - pdf)
|
|
| 1916 |
104.386
|
Improvements in aereoplanes fitted with wireless telegraph apparatus [/binary/min_comunicazioni/biblio_brevetti/104,386.pdf]
(7 MByte - pdf)
|
|
| 1916 |
105.081
|
2a
|
Improvements in receivers for wireless signals [/binary/min_comunicazioni/biblio_brevetti/105,081.pdf]
(17 MByte - pdf)
|
| 1916 |
107.425
|
Improved means for controlling the speed of an electric motor [/binary/min_comunicazioni/biblio_brevetti/107,425.pdf]
(11 MByte - pdf)
|
|
| 2007 |
107.647
|
Improved apparatus for measuring the frequencyof electrical currents [/binary/min_comunicazioni/biblio_brevetti/107,647.pdf]
(9 MByte - pdf)
|
|
| 1916 |
111.887
|
Improvements in wireless telegraph transmitters [/binary/min_comunicazioni/biblio_brevetti/111,887.pdf]
(6 MByte - pdf)
|
|
| 1916 |
112.481
|
Improved method for multiplying the frequency of electric currents [/binary/min_comunicazioni/biblio_brevetti/112,481.pdf]
(11 MByte - pdf)
|
|
| 1918 |
115.787
|
Improvements in and connected with transmitting keys for use in electric telegraphy [/binary/min_comunicazioni/biblio_brevetti/115,787.pdf]
(8 MByte - pdf)
|
|
| 1919 |
145.039
|
Improvements in vacuum tube apparatus and method of controlling same [/binary/min_comunicazioni/biblio_brevetti/145,039.pdf]
(9 MByte - pdf)
|
|
| 1919 |
163.070
|
Improvements in aerial systems employed in wireless signalling (invenzione brevettata da soggetto diverso dalla Marconi Wireless Telegraph Company) [/binary/min_comunicazioni/biblio_brevetti/163,070.pdf]
(12 MByte - pdf)
|
|
| 1919 |
165.824
|
Improvements in thermionic transmitting devices for wireless telegraphy and telephony (invenzione brevettata da soggetto diverso dalla Marconi Wireless Telegraph Company) [/binary/min_comunicazioni/biblio_brevetti/165,824.pdf]
(7 MByte - pdf)
|
|
| 1919 |
166.241
|
Improvements in thermionic devices for wireless telegraphy and telephony [/binary/min_comunicazioni/biblio_brevetti/166,241.pdf]
(11 MByte - pdf)
|
|
| 1919 |
521.818
|
Brevet d'invention -Procédé et appareils pour la signalisation sans fil (demandé à l'Office National de la Proprièté Industrielle de la Republique Francaise) [/binary/min_comunicazioni/biblio_brevetti/521,818.pdf]
(36 MByte - pdf)
|
|
| 1920 |
161.652
|
Improvements in wireless telegraph calling devices [/binary/min_comunicazioni/biblio_brevetti/161,652.pdf]
(15 MByte - pdf)
|
|
| 1920 |
161.667
|
Improvements in wireless direction finding means for aircraft [/binary/min_comunicazioni/biblio_brevetti/161,667.pdf]
(8 MByte - pdf)
|
|
| 1920 |
163.448
|
Improvements in crystal detectors of electric currents [/binary/min_comunicazioni/biblio_brevetti/163,448.pdf]
(8 MByte - pdf)
|
|
| 1920 |
164.105
|
Improvement in wireless telephony [/binary/min_comunicazioni/biblio_brevetti/164,105.pdf]
(9 MByte - pdf)
|
|
| 1920 |
164.506
|
Improvements in or connected with aerials [/binary/min_comunicazioni/biblio_brevetti/164,506.pdf]
(11 MByte - pdf)
|
|
| 1920 |
164.527
|
|
|
| 1920 |
164.900
|
Improvements in or relating to thermionic realays or amplifiers [/binary/min_comunicazioni/biblio_brevetti/164,900.pdf]
(7 MByte - pdf)
|
|
| 1920 |
165.217
|
Improvements in thermionic devices [/binary/min_comunicazioni/biblio_brevetti/165,217.pdf]
(8 MByte - pdf)
|
|
| 1920 |
165.959
|
Improvements in or connected with wireless signalling systems [/binary/min_comunicazioni/biblio_brevetti/165,959.pdf]
(14 MByte - pdf)
|
|
| 1920 |
166.913
|
Improvements in or releting to electric valve or lamp relay and intervalve trasformers [/binary/min_comunicazioni/biblio_brevetti/166,913.pdf]
(19 MByte - pdf)
|
|
| 1920 |
167.018
|
Improvements in radiogonometers especially suitable for use in wireless direction finding [/binary/min_comunicazioni/biblio_brevetti/167,018.pdf]
(8 MByte - pdf)
|
|
| 1920 |
168.966
|
Improvements in land line and wireless telephony [/binary/min_comunicazioni/biblio_brevetti/168,966.pdf]
(10 MByte - pdf)
|
|
| 1920 |
170.154
|
Improvements in continuous wave telephony and telegraphy [/binary/min_comunicazioni/biblio_brevetti/170,154.pdf]
(17 MByte - pdf)
|
|
| 1920 |
170.941
|
Improvements in and relating to the reception of wireless signals [/binary/min_comunicazioni/biblio_brevetti/170,941.pdf]
(11 MByte - pdf)
|
|
| 1920 |
175.679
|
Improved means for controlling electric currents and for detecting or recording radio signals [/binary/min_comunicazioni/biblio_brevetti/175,679.pdf]
(14 MByte - pdf)
|
|
| 1920 |
177.267
|
Improvement in wireless transmitting apparatus [/binary/min_comunicazioni/biblio_brevetti/177,267.pdf]
(8 MByte - pdf)
|
|
| 1921 |
177.869
|
Improvements in or relating to aerials for use in wireless signalling [/binary/min_comunicazioni/biblio_brevetti/177,869.pdf]
(27 MByte - pdf)
|
|
| 1921 |
179.321
|
Improved means for supplying current to valve amplifiers employed in wireless signalling [/binary/min_comunicazioni/biblio_brevetti/179,321.pdf]
(8 MByte - pdf)
|
|
| 1921 |
181.095
|
Improvements in wireless telegraphy [/binary/min_comunicazioni/biblio_brevetti/181,095.pdf]
(7 MByte - pdf)
|
|
| 1921 |
181.208
|
Improved means for obtaining high voltage electrical impulses [/binary/min_comunicazioni/biblio_brevetti/181,208.pdf]
(9 MByte - pdf)
|
|
| 1921 |
181.799
|
Improvements in the reception of continuous wave wireless signals [/binary/min_comunicazioni/biblio_brevetti/181,799.pdf]
(14 MByte - pdf)
|
|
| 1921 |
182.155
|
Improvements in wireless telegraph calling or alarm devices [/binary/min_comunicazioni/biblio_brevetti/182,155.pdf]
(11 MByte - pdf)
|
|
| 1921 |
182.168
|
Improved means for generating continuous electric oscillations [/binary/min_comunicazioni/biblio_brevetti/182,168.pdf]
(8 MByte - pdf)
|
|
| 1921 |
184.904
|
Improvements in wireless signalling [/binary/min_comunicazioni/biblio_brevetti/184,904.pdf]
(8 MByte - pdf)
|
|
| 1921 |
185.775
|
Improvements in oscillating vale relays [/binary/min_comunicazioni/biblio_brevetti/185,775.pdf]
(10 MByte - pdf)
|
|
| 1921 |
185.848
|
Improvements in electric calling devices [/binary/min_comunicazioni/biblio_brevetti/185,848.pdf]
(16 MByte - pdf)
|
|
| 1921 |
186.129
|
Improved means for producing alternating electric currents [/binary/min_comunicazioni/biblio_brevetti/186,129.pdf]
(6 MByte - pdf)
|
|
| 1921 |
186.134
|
Improved means for indicating the period of and/or controllin electrical oscillations [/binary/min_comunicazioni/biblio_brevetti/186,134.pdf]
(7 MByte - pdf)
|
|
| 1921 |
187.646
|
Improvements in or relating to thermionic devices [/binary/min_comunicazioni/biblio_brevetti/187,646.pdf]
(7 MByte - pdf)
|
|
| 1921 |
188.400
|
Improved means for regulating the strenght of electric currents [/binary/min_comunicazioni/biblio_brevetti/188,400.pdf]
(6 MByte - pdf)
|
|
| 1921 |
189.233
|
Improvements in calling devices adapted to be operated by wireless signals [/binary/min_comunicazioni/biblio_brevetti/189,233.pdf]
(12 MByte - pdf)
|
|
| 1921 |
192.140
|
Improvements in and relating to thermionic valves [/binary/min_comunicazioni/biblio_brevetti/192,140.pdf]
(5 MByte - pdf)
|
|
| 1921 |