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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2878325.pdf | 1.50 MB | Shaun Ewing | Mar 17, 1959 00:00 |
|
US-2878325-A // Negative impedance repeaters // Jr. Josiah L. Merrill, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Mar 17, 1959 00:00 | US-2878325-A // Negative impedance repeaters // Jr. Josiah L. Merrill, // Bell Telephone Labor Inc | ||||
| PDF File 2891191.pdf | 1.50 MB | Shaun Ewing | Jun 16, 1959 00:00 |
|
US-2891191-A // Backward wave tube // Heffner Hubert ; Kompfner Rudolf // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Jun 16, 1959 00:00 | US-2891191-A // Backward wave tube // Heffner Hubert ; Kompfner Rudolf // Bell Telephone Labor Inc | ||||
| PDF File 2771584.pdf | 1.50 MB | Shaun Ewing | Nov 20, 1956 00:00 |
|
US-2771584-A // Frequency-controlled transistor oscillators // Thomas Donald E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Nov 20, 1956 00:00 | US-2771584-A // Frequency-controlled transistor oscillators // Thomas Donald E. // Bell Telephone Labor Inc | ||||
| PDF File 2765371.pdf | 1.49 MB | Shaun Ewing | Oct 02, 1956 00:00 |
|
US-2765371-A // Signal converter for communication systems // Fritschi Walter W. ; Weaver Allan // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Oct 02, 1956 00:00 | US-2765371-A // Signal converter for communication systems // Fritschi Walter W. ; Weaver Allan // Bell Telephone Labor Inc | ||||
| PDF File 2941042.pdf | 1.48 MB | Shaun Ewing | Jun 14, 1960 00:00 |
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US-2941042-A // Simultaneous direct-current and multifrequency signaling system // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Jun 14, 1960 00:00 | US-2941042-A // Simultaneous direct-current and multifrequency signaling system // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2964265.pdf | 1.48 MB | Shaun Ewing | Dec 13, 1960 00:00 |
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US-2964265-A // Steering system utilizing thermalenergy radiations // Ketchledge Raymond W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Dec 13, 1960 00:00 | US-2964265-A // Steering system utilizing thermalenergy radiations // Ketchledge Raymond W. // Bell Telephone Labor Inc | ||||
| PDF File 2775701.pdf | 1.47 MB | Shaun Ewing | Dec 25, 1956 00:00 |
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US-2775701-A // Frequency controlled oscillation system // Israel John O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.47 MB | Shaun Ewing | Dec 25, 1956 00:00 | US-2775701-A // Frequency controlled oscillation system // Israel John O. // Bell Telephone Labor Inc | ||||
| PDF File 2852612.pdf | 1.47 MB | Shaun Ewing | Sept 16, 1958 00:00 |
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US-2852612-A // Multistation telephone intercommunicating and conference system // Baker Donn ; Carter Herman T. ; Kelnhofer Sylvester A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.47 MB | Shaun Ewing | Sept 16, 1958 00:00 | US-2852612-A // Multistation telephone intercommunicating and conference system // Baker Donn ; Carter Herman T. ; Kelnhofer Sylvester A. // Bell Telephone Labor Inc | ||||
| PDF File 2881266.pdf | 1.47 MB | Shaun Ewing | Apr 07, 1959 00:00 |
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US-2881266-A // High impedance input circuit amplifier // Miller Ohmer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.47 MB | Shaun Ewing | Apr 07, 1959 00:00 | US-2881266-A // High impedance input circuit amplifier // Miller Ohmer R. // Bell Telephone Labor Inc | ||||
| PDF File 2911476.pdf | 1.46 MB | Shaun Ewing | Nov 03, 1959 00:00 |
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US-2911476-A // Reduction of redundancy and bandwidth // Kramer Henry P. ; Mathews Max V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Nov 03, 1959 00:00 | US-2911476-A // Reduction of redundancy and bandwidth // Kramer Henry P. ; Mathews Max V. // Bell Telephone Labor Inc | ||||
| PDF File 2779891.pdf | 1.46 MB | Shaun Ewing | Jan 29, 1957 00:00 |
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US-2779891-A // High frequency amplifier // Morton Jack A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Jan 29, 1957 00:00 | US-2779891-A // High frequency amplifier // Morton Jack A. // Bell Telephone Labor Inc | ||||
| PDF File 2762982.pdf | 1.46 MB | Shaun Ewing | Sept 11, 1956 00:00 |
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US-2762982-A // Mode conversion in wave guides // Jr. Samuel P. Morgan, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Sept 11, 1956 00:00 | US-2762982-A // Mode conversion in wave guides // Jr. Samuel P. Morgan, // Bell Telephone Labor Inc | ||||
| PDF File 2802760.pdf | 1.45 MB | Shaun Ewing | Aug 13, 1957 00:00 |
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US-2802760-A // Oxidation of semiconductive surfaces for controlled diffusion // Derick Lincoln ; Frosch Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Aug 13, 1957 00:00 | US-2802760-A // Oxidation of semiconductive surfaces for controlled diffusion // Derick Lincoln ; Frosch Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2854651.pdf | 1.45 MB | Shaun Ewing | Sept 30, 1958 00:00 |
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US-2854651-A // Diode circuits // Kircher Reymond J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Sept 30, 1958 00:00 | US-2854651-A // Diode circuits // Kircher Reymond J. // Bell Telephone Labor Inc | ||||
| PDF File 2794846.pdf | 1.45 MB | Shaun Ewing | Jun 04, 1957 00:00 |
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US-2794846-A // Fabrication of semiconductor devices // Fuller Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Jun 04, 1957 00:00 | US-2794846-A // Fabrication of semiconductor devices // Fuller Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2760155.pdf | 1.45 MB | Shaun Ewing | Aug 21, 1956 00:00 |
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US-2760155-A // Phase and transmission measuring system // Kelly Hugh P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Aug 21, 1956 00:00 | US-2760155-A // Phase and transmission measuring system // Kelly Hugh P. // Bell Telephone Labor Inc | ||||
| PDF File 2849683.pdf | 1.45 MB | Shaun Ewing | Aug 26, 1958 00:00 |
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US-2849683-A // Non-reciprocal wave transmission // Miller Stewart E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Aug 26, 1958 00:00 | US-2849683-A // Non-reciprocal wave transmission // Miller Stewart E. // Bell Telephone Labor Inc | ||||
| PDF File 2868880.pdf | 1.45 MB | Shaun Ewing | Jan 13, 1959 00:00 |
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US-2868880-A // Remote control of telephone answering and message recording facilities in a telephone station // Celentano Arnold J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Jan 13, 1959 00:00 | US-2868880-A // Remote control of telephone answering and message recording facilities in a telephone station // Celentano Arnold J. // Bell Telephone Labor Inc | ||||
| PDF File 2817078.pdf | 1.43 MB | Shaun Ewing | Dec 17, 1957 00:00 |
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US-2817078-A // Binary digital-to-analog converter for synchro devices // Pfeiffer Sigmund B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Dec 17, 1957 00:00 | US-2817078-A // Binary digital-to-analog converter for synchro devices // Pfeiffer Sigmund B. // Bell Telephone Labor Inc | ||||
| PDF File 2958001.pdf | 1.43 MB | Shaun Ewing | Oct 25, 1960 00:00 |
|
US-2958001-A // Parametric amplifier // Ashkin Arthur ; Cook John S. ; Louisell William H. ; Quate Calvin F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Oct 25, 1960 00:00 | US-2958001-A // Parametric amplifier // Ashkin Arthur ; Cook John S. ; Louisell William H. ; Quate Calvin F. // Bell Telephone Labor Inc |
