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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1614546.pdf | 285 kB | Shaun Ewing | Jan 18, 1927 00:00 |
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US-1614546-A // Multiplex telegraphy with magnitude discrimination // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 285 kB | Shaun Ewing | Jan 18, 1927 00:00 | US-1614546-A // Multiplex telegraphy with magnitude discrimination // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1614545.pdf | 1.07 MB | Shaun Ewing | Jan 18, 1927 00:00 |
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US-1614545-A // Carrier telegraph circuits // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Jan 18, 1927 00:00 | US-1614545-A // Carrier telegraph circuits // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1613704.pdf | 679 kB | Shaun Ewing | Jan 11, 1927 00:00 |
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US-1613704-A // Telegraph-distortion measuring system // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613704-A // Telegraph-distortion measuring system // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1613686.pdf | 958 kB | Shaun Ewing | Jan 11, 1927 00:00 |
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US-1613686-A // Method of and apparatus for secret electrical transmission of pictures // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 958 kB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613686-A // Method of and apparatus for secret electrical transmission of pictures // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1613685.pdf | 1.13 MB | Shaun Ewing | Jan 11, 1927 00:00 |
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US-1613685-A // Printing-telegraph exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613685-A // Printing-telegraph exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1612849.pdf | 579 kB | Shaun Ewing | Jan 04, 1927 00:00 |
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US-1612849-A // Testing device // Anderson Grenville T. ; Taplin Carleton V. // American Telephone & Telegraph | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Jan 04, 1927 00:00 | US-1612849-A // Testing device // Anderson Grenville T. ; Taplin Carleton V. // American Telephone & Telegraph | ||||
| PDF File 1612848.pdf | 253 kB | Shaun Ewing | Jan 04, 1927 00:00 |
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US-1612848-A // Multiplex telegraphy // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 253 kB | Shaun Ewing | Jan 04, 1927 00:00 | US-1612848-A // Multiplex telegraphy // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1612019.pdf | 315 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612019-A // Asymmetrical wave-generating system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612019-A // Asymmetrical wave-generating system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1612011.pdf | 632 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612011-A // Recording and reproducing system // Green Irving W. ; Bisbee Frederick C. // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612011-A // Recording and reproducing system // Green Irving W. ; Bisbee Frederick C. // American Telephone & Telegraph | ||||
| PDF File 1612005.pdf | 183 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612005-A // Electrical picture-transmission system // Ellsworth James D. // American Telephone & Telegraph | |||
| Version 1 (current) | 183 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612005-A // Electrical picture-transmission system // Ellsworth James D. // American Telephone & Telegraph | ||||
| PDF File 1611252.pdf | 1.00 MB | Shaun Ewing | Dec 21, 1926 00:00 |
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US-1611252-A // Switching system // Snavely Paul M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Dec 21, 1926 00:00 | US-1611252-A // Switching system // Snavely Paul M. // American Telephone & Telegraph | ||||
| PDF File 1611224.pdf | 266 kB | Shaun Ewing | Dec 21, 1926 00:00 |
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US-1611224-A // Method and apparatus for measuring frequency // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 266 kB | Shaun Ewing | Dec 21, 1926 00:00 | US-1611224-A // Method and apparatus for measuring frequency // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1611223.pdf | 251 kB | Shaun Ewing | Dec 21, 1926 00:00 |
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US-1611223-A // Apparatus for controlling the frequency of an alternating current // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 251 kB | Shaun Ewing | Dec 21, 1926 00:00 | US-1611223-A // Apparatus for controlling the frequency of an alternating current // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1611124.pdf | 838 kB | Shaun Ewing | Dec 14, 1926 00:00 |
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US-1611124-A // System of transmission over loaded lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 838 kB | Shaun Ewing | Dec 14, 1926 00:00 | US-1611124-A // System of transmission over loaded lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1610234.pdf | 613 kB | Shaun Ewing | Dec 14, 1926 00:00 |
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US-1610234-A // Carrier-signaling system // Almquist Milton L. // American Telephone & Telegraph | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Dec 14, 1926 00:00 | US-1610234-A // Carrier-signaling system // Almquist Milton L. // American Telephone & Telegraph | ||||
| PDF File 1609394.pdf | 859 kB | Shaun Ewing | Dec 07, 1926 00:00 |
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US-1609394-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 859 kB | Shaun Ewing | Dec 07, 1926 00:00 | US-1609394-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1608566.pdf | 405 kB | Shaun Ewing | Nov 30, 1926 00:00 |
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US-1608566-A // System for binaural transmission of sound // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 405 kB | Shaun Ewing | Nov 30, 1926 00:00 | US-1608566-A // System for binaural transmission of sound // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1608551.pdf | 706 kB | Shaun Ewing | Nov 30, 1926 00:00 |
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US-1608551-A // Radio signaling system // Demarest Charles S. ; Bonell Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 706 kB | Shaun Ewing | Nov 30, 1926 00:00 | US-1608551-A // Radio signaling system // Demarest Charles S. ; Bonell Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1608546.pdf | 952 kB | Shaun Ewing | Nov 30, 1926 00:00 |
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US-1608546-A // Distortion-measuring system // Clark Alva B. ; Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Nov 30, 1926 00:00 | US-1608546-A // Distortion-measuring system // Clark Alva B. ; Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1607837.pdf | 442 kB | Shaun Ewing | Nov 23, 1926 00:00 |
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US-1607837-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 442 kB | Shaun Ewing | Nov 23, 1926 00:00 | US-1607837-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph |
