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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2580757.pdf | 2.70 MB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580757-A // Alarm sending circuit // Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.70 MB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580757-A // Alarm sending circuit // Germanton Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2580697.pdf | 601 kB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580697-A // Image dissector tube // Oliver Bernard M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 601 kB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580697-A // Image dissector tube // Oliver Bernard M. // Bell Telephone Labor Inc | ||||
| PDF File 2580685.pdf | 487 kB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580685-A // Color television with reduced band width // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580685-A // Color television with reduced band width // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2580673.pdf | 1.08 MB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580673-A // Saw-tooth generator and system utilizing it // Graham Robert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580673-A // Saw-tooth generator and system utilizing it // Graham Robert E. // Bell Telephone Labor Inc | ||||
| PDF File 2580672.pdf | 1.18 MB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580672-A // Saw-tooth generator and system utilizing it // Graham Robert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580672-A // Saw-tooth generator and system utilizing it // Graham Robert E. // Bell Telephone Labor Inc | ||||
| PDF File 2580446.pdf | 551 kB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580446-A // Harmonic generator // Lovell Clarence A. ; Parkinson David B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 551 kB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580446-A // Harmonic generator // Lovell Clarence A. ; Parkinson David B. // Bell Telephone Labor Inc | ||||
| PDF File 2580439.pdf | 378 kB | Shaun Ewing | Jan 01, 1952 00:00 |
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US-2580439-A // Directional acoustic system // Kock Winston E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Jan 01, 1952 00:00 | US-2580439-A // Directional acoustic system // Kock Winston E. // Bell Telephone Labor Inc | ||||
| PDF File 2580123.pdf | 825 kB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580123-A // Relay // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 825 kB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580123-A // Relay // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2580105.pdf | 388 kB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580105-A // Telephone switch and mounting // Krumreich Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 388 kB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580105-A // Telephone switch and mounting // Krumreich Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 2580097.pdf | 1.14 MB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580097-A // System for testing cable repeater // Hgenfritz Lester M. ; Ketchledge Raymond W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580097-A // System for testing cable repeater // Hgenfritz Lester M. ; Ketchledge Raymond W. // Bell Telephone Labor Inc | ||||
| PDF File 2580095.pdf | 625 kB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580095-A // Electronic code pulse transmitting circuit // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 625 kB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580095-A // Electronic code pulse transmitting circuit // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2580093.pdf | 1.59 MB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580093-A // Call data recording telephone system // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580093-A // Call data recording telephone system // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2580083.pdf | 1.20 MB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580083-A // Contrast pattern generator // Jr. Stephen Doba, ; Rieke John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580083-A // Contrast pattern generator // Jr. Stephen Doba, ; Rieke John W. // Bell Telephone Labor Inc | ||||
| PDF File 2580082.pdf | 563 kB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580082-A // Relay translating circuit // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 563 kB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580082-A // Relay translating circuit // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2580073.pdf | 1.45 MB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580073-A // Time multiplex television in color // Burton Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580073-A // Time multiplex television in color // Burton Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2580069.pdf | 991 kB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2580069-A // Dial pulse receiving circuit // Blount Frank E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 991 kB | Shaun Ewing | Dec 25, 1951 00:00 | US-2580069-A // Dial pulse receiving circuit // Blount Frank E. // Bell Telephone Labor Inc | ||||
| PDF File 2579729.pdf | 1.76 MB | Shaun Ewing | Dec 25, 1951 00:00 |
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US-2579729-A // Automatic telephone message accounting system // Dehn Joseph W. ; Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.76 MB | Shaun Ewing | Dec 25, 1951 00:00 | US-2579729-A // Automatic telephone message accounting system // Dehn Joseph W. ; Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2579336.pdf | 667 kB | Shaun Ewing | Dec 18, 1951 00:00 |
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US-2579336-A // Stabilized transistor trigger circuit // Rack Alois J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Dec 18, 1951 00:00 | US-2579336-A // Stabilized transistor trigger circuit // Rack Alois J. // Bell Telephone Labor Inc | ||||
| PDF File 2579327.pdf | 596 kB | Shaun Ewing | Dec 18, 1951 00:00 |
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US-2579327-A // High-frequency energy absorbing variable coupling device // Lund Nean // Bell Telephone Labor Inc | |||
| Version 1 (current) | 596 kB | Shaun Ewing | Dec 18, 1951 00:00 | US-2579327-A // High-frequency energy absorbing variable coupling device // Lund Nean // Bell Telephone Labor Inc | ||||
| PDF File 2579324.pdf | 2.06 MB | Shaun Ewing | Dec 18, 1951 00:00 |
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US-2579324-A // Metallic structure for delaying propagated waves // Kock Winston E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.06 MB | Shaun Ewing | Dec 18, 1951 00:00 | US-2579324-A // Metallic structure for delaying propagated waves // Kock Winston E. // Bell Telephone Labor Inc |
