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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2919307.pdf | 5.01 MB | Shaun Ewing | Dec 29, 1959 00:00 |
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US-2919307-A // Order wire alarm and control circuit // Bachelet Albert E. ; Haas Hammond H. ; Newell Norman A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.01 MB | Shaun Ewing | Dec 29, 1959 00:00 | US-2919307-A // Order wire alarm and control circuit // Bachelet Albert E. ; Haas Hammond H. ; Newell Norman A. // Bell Telephone Labor Inc | ||||
| PDF File 2807668.pdf | 4.74 MB | Shaun Ewing | Sept 24, 1957 00:00 |
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US-2807668-A // Line concentrator service observing circuit // Krom Myron E. ; Posin Melvin // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.74 MB | Shaun Ewing | Sept 24, 1957 00:00 | US-2807668-A // Line concentrator service observing circuit // Krom Myron E. ; Posin Melvin // Bell Telephone Labor Inc | ||||
| PDF File 2921139.pdf | 4.61 MB | Shaun Ewing | Jan 12, 1960 00:00 |
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US-2921139-A // Line concentrator signaling system // Krom Myron E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.61 MB | Shaun Ewing | Jan 12, 1960 00:00 | US-2921139-A // Line concentrator signaling system // Krom Myron E. // Bell Telephone Labor Inc | ||||
| PDF File 2894073.pdf | 4.40 MB | Shaun Ewing | Jul 07, 1959 00:00 |
|
US-2894073-A // Line concentrator checking arrangement // Blount Frank E. ; Krom Myron E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.40 MB | Shaun Ewing | Jul 07, 1959 00:00 | US-2894073-A // Line concentrator checking arrangement // Blount Frank E. ; Krom Myron E. // Bell Telephone Labor Inc | ||||
| PDF File 2761900.pdf | 4.37 MB | Shaun Ewing | Sept 04, 1956 00:00 |
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US-2761900-A // Telephone system of the coin controlled type // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.37 MB | Shaun Ewing | Sept 04, 1956 00:00 | US-2761900-A // Telephone system of the coin controlled type // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2819354.pdf | 4.35 MB | Shaun Ewing | Jan 07, 1958 00:00 |
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US-2819354-A // Signaling transmission test and control circuit // Shoffstall Hugh F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.35 MB | Shaun Ewing | Jan 07, 1958 00:00 | US-2819354-A // Signaling transmission test and control circuit // Shoffstall Hugh F. // Bell Telephone Labor Inc | ||||
| PDF File 2817828.pdf | 4.34 MB | Shaun Ewing | Dec 24, 1957 00:00 |
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US-2817828-A // Multifrequency high speed signaling system employing pulses of signaling currents ofpredetermined duration based on orthogonal functions // Mcguigan John H. ; Murphy Orlando J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.34 MB | Shaun Ewing | Dec 24, 1957 00:00 | US-2817828-A // Multifrequency high speed signaling system employing pulses of signaling currents ofpredetermined duration based on orthogonal functions // Mcguigan John H. ; Murphy Orlando J. // Bell Telephone Labor Inc | ||||
| PDF File 2816965.pdf | 4.23 MB | Shaun Ewing | Dec 17, 1957 00:00 |
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US-2816965-A // Service observing circuits // Kuchas Francis C. ; Rosene Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.23 MB | Shaun Ewing | Dec 17, 1957 00:00 | US-2816965-A // Service observing circuits // Kuchas Francis C. ; Rosene Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 2850577.pdf | 4.16 MB | Shaun Ewing | Sept 02, 1958 00:00 |
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US-2850577-A // Line concentrator system // Krom Myron E. ; Posin Melvin // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.16 MB | Shaun Ewing | Sept 02, 1958 00:00 | US-2850577-A // Line concentrator system // Krom Myron E. ; Posin Melvin // Bell Telephone Labor Inc | ||||
| PDF File 2739298.pdf | 4.11 MB | Shaun Ewing | Mar 20, 1956 00:00 |
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US-2739298-A // Multifrequency high speed calling signal generator // Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.11 MB | Shaun Ewing | Mar 20, 1956 00:00 | US-2739298-A // Multifrequency high speed calling signal generator // Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2961492.pdf | 3.99 MB | Shaun Ewing | Nov 22, 1960 00:00 |
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US-2961492-A // Elastic multiplex speech interpolation system // Carbrey Robert L. ; Feldman Carl B. H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.99 MB | Shaun Ewing | Nov 22, 1960 00:00 | US-2961492-A // Elastic multiplex speech interpolation system // Carbrey Robert L. ; Feldman Carl B. H. // Bell Telephone Labor Inc | ||||
| PDF File 2813151.pdf | 3.89 MB | Shaun Ewing | Nov 12, 1957 00:00 |
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US-2813151-A // Impulse signal distortion circuit // Jr. Bernard Ostendorf, ; Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.89 MB | Shaun Ewing | Nov 12, 1957 00:00 | US-2813151-A // Impulse signal distortion circuit // Jr. Bernard Ostendorf, ; Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2855146.pdf | 3.78 MB | Shaun Ewing | Oct 07, 1958 00:00 |
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US-2855146-A // Magnetic drum computer // Henning Harley A. ; Murphy Orlando J. ; Teager Herbert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.78 MB | Shaun Ewing | Oct 07, 1958 00:00 | US-2855146-A // Magnetic drum computer // Henning Harley A. ; Murphy Orlando J. ; Teager Herbert M. // Bell Telephone Labor Inc | ||||
| PDF File 2962555.pdf | 3.72 MB | Shaun Ewing | Nov 29, 1960 00:00 |
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US-2962555-A // Line concentrator system // Jr. George F. Abbott, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.72 MB | Shaun Ewing | Nov 29, 1960 00:00 | US-2962555-A // Line concentrator system // Jr. George F. Abbott, // Bell Telephone Labor Inc | ||||
| PDF File 2924665.pdf | 3.59 MB | Shaun Ewing | Feb 09, 1960 00:00 |
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US-2924665-A // Electrical scanning circuits // Malthaner William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.59 MB | Shaun Ewing | Feb 09, 1960 00:00 | US-2924665-A // Electrical scanning circuits // Malthaner William A. // Bell Telephone Labor Inc | ||||
| PDF File 2794917.pdf | 3.56 MB | Shaun Ewing | Jun 04, 1957 00:00 |
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US-2794917-A // High frequency negative resistance device // Shockley William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.56 MB | Shaun Ewing | Jun 04, 1957 00:00 | US-2794917-A // High frequency negative resistance device // Shockley William // Bell Telephone Labor Inc | ||||
| PDF File 2916557.pdf | 3.52 MB | Shaun Ewing | Dec 08, 1959 00:00 |
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US-2916557-A // Universal line concentrator // Fleckenstein William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.52 MB | Shaun Ewing | Dec 08, 1959 00:00 | US-2916557-A // Universal line concentrator // Fleckenstein William O. // Bell Telephone Labor Inc | ||||
| PDF File 2778878.pdf | 3.51 MB | Shaun Ewing | Jan 22, 1957 00:00 |
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US-2778878-A // Repetition telephone dialing by pulse code modulated carrier // Malthaner William A. ; Vaughan Henry E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.51 MB | Shaun Ewing | Jan 22, 1957 00:00 | US-2778878-A // Repetition telephone dialing by pulse code modulated carrier // Malthaner William A. ; Vaughan Henry E. // Bell Telephone Labor Inc | ||||
| PDF File 2892184.pdf | 3.44 MB | Shaun Ewing | Jun 23, 1959 00:00 |
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US-2892184-A // Identification of stored information // Jr. Amos E. Joel, ; Yostpille John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.44 MB | Shaun Ewing | Jun 23, 1959 00:00 | US-2892184-A // Identification of stored information // Jr. Amos E. Joel, ; Yostpille John J. // Bell Telephone Labor Inc | ||||
| PDF File 2823370.pdf | 3.41 MB | Shaun Ewing | Feb 11, 1958 00:00 |
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US-2823370-A // Programmer // Oestreicher John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.41 MB | Shaun Ewing | Feb 11, 1958 00:00 | US-2823370-A // Programmer // Oestreicher John J. // Bell Telephone Labor Inc |
