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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1696415.pdf | 592 kB | Shaun Ewing | Dec 25, 1928 00:00 |
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US-1696415-A // Voltage-balance regulator // Roberts Leland C. // American Telephone & Telegraph | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Dec 25, 1928 00:00 | US-1696415-A // Voltage-balance regulator // Roberts Leland C. // American Telephone & Telegraph | ||||
| PDF File 1537283.pdf | 591 kB | Shaun Ewing | May 12, 1925 00:00 |
|
US-1537283-A // Repeater for multiplex systems // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 591 kB | Shaun Ewing | May 12, 1925 00:00 | US-1537283-A // Repeater for multiplex systems // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1618242.pdf | 589 kB | Shaun Ewing | Feb 22, 1927 00:00 |
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US-1618242-A // Time-announcing system // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Feb 22, 1927 00:00 | US-1618242-A // Time-announcing system // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1600274.pdf | 589 kB | Shaun Ewing | Sept 21, 1926 00:00 |
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US-1600274-A // Telephone-transmission circuits // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Sept 21, 1926 00:00 | US-1600274-A // Telephone-transmission circuits // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1681972.pdf | 589 kB | Shaun Ewing | Aug 28, 1928 00:00 |
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US-1681972-A // Carrier amplitude-control system // Blackwell Otto B. ; Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Aug 28, 1928 00:00 | US-1681972-A // Carrier amplitude-control system // Blackwell Otto B. ; Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1513450.pdf | 588 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513450-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 588 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513450-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1476003.pdf | 587 kB | Shaun Ewing | Dec 04, 1923 00:00 |
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US-1476003-A // Radiosignaling call system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Dec 04, 1923 00:00 | US-1476003-A // Radiosignaling call system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1786546.pdf | 586 kB | Shaun Ewing | Dec 30, 1930 00:00 |
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US-1786546-A // Power-standard device // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Dec 30, 1930 00:00 | US-1786546-A // Power-standard device // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1752325.pdf | 586 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752325-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752325-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1642048.pdf | 585 kB | Shaun Ewing | Sept 13, 1927 00:00 |
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US-1642048-A // Printing telegraph system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 585 kB | Shaun Ewing | Sept 13, 1927 00:00 | US-1642048-A // Printing telegraph system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1426669.pdf | 584 kB | Shaun Ewing | Aug 22, 1922 00:00 |
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US-1426669-A // Ciphering device // Pierce Ralph E. // American Telephone & Telegraph | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Aug 22, 1922 00:00 | US-1426669-A // Ciphering device // Pierce Ralph E. // American Telephone & Telegraph | ||||
| PDF File 1488207.pdf | 584 kB | Shaun Ewing | Mar 25, 1924 00:00 |
|
US-1488207-A // Signaling system // Kuhn George W. ; Ramsdell Roger G. // American Telephone & Telegraph | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Mar 25, 1924 00:00 | US-1488207-A // Signaling system // Kuhn George W. ; Ramsdell Roger G. // American Telephone & Telegraph | ||||
| PDF File 1647192.pdf | 583 kB | Shaun Ewing | Nov 01, 1927 00:00 |
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US-1647192-A // Apparatus for controlling the frequency of an alternating current // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 583 kB | Shaun Ewing | Nov 01, 1927 00:00 | US-1647192-A // Apparatus for controlling the frequency of an alternating current // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1472822.pdf | 583 kB | Shaun Ewing | Nov 06, 1923 00:00 |
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US-1472822-A // Calling arrangement for radio systems // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 583 kB | Shaun Ewing | Nov 06, 1923 00:00 | US-1472822-A // Calling arrangement for radio systems // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1580225.pdf | 582 kB | Shaun Ewing | Apr 13, 1926 00:00 |
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US-1580225-A // Telegraph circuit // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Apr 13, 1926 00:00 | US-1580225-A // Telegraph circuit // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1568991.pdf | 582 kB | Shaun Ewing | Jan 12, 1926 00:00 |
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US-1568991-A // Ciphering and deciphering device // Morehouse Lyman F. // American Telephone & Telegraph | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Jan 12, 1926 00:00 | US-1568991-A // Ciphering and deciphering device // Morehouse Lyman F. // American Telephone & Telegraph | ||||
| PDF File 1721574.pdf | 582 kB | Shaun Ewing | Jul 23, 1929 00:00 |
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US-1721574-A // Transmission level regulation // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1721574-A // Transmission level regulation // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1532169.pdf | 581 kB | Shaun Ewing | Apr 07, 1925 00:00 |
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US-1532169-A // Method of and means for measuring transmission // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 581 kB | Shaun Ewing | Apr 07, 1925 00:00 | US-1532169-A // Method of and means for measuring transmission // Best Fred H. // American Telephone & Telegraph | ||||
| PDF File 1474408.pdf | 581 kB | Shaun Ewing | Nov 20, 1923 00:00 |
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US-1474408-A // Detecting circuit // Deardorff Ralph Warner // American Telephone & Telegraph | |||
| Version 1 (current) | 581 kB | Shaun Ewing | Nov 20, 1923 00:00 | US-1474408-A // Detecting circuit // Deardorff Ralph Warner // American Telephone & Telegraph | ||||
| PDF File 1397991.pdf | 580 kB | Shaun Ewing | Nov 22, 1921 00:00 |
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US-1397991-A // Message-registering system // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Nov 22, 1921 00:00 | US-1397991-A // Message-registering system // Thompson George K. // American Telephone & Telegraph |
