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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2566840.pdf | 1001 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566840-A // Switch for telephone substation sets // Krumreich Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1001 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566840-A // Switch for telephone substation sets // Krumreich Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 2566825.pdf | 582 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566825-A // Tuning control for thermally tuned devices or oscillators // Crump Elmo E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566825-A // Tuning control for thermally tuned devices or oscillators // Crump Elmo E. // Bell Telephone Labor Inc | ||||
| PDF File 2566584.pdf | 332 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566584-A // Reflex oscillator // Shepherd William G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566584-A // Reflex oscillator // Shepherd William G. // Bell Telephone Labor Inc | ||||
| PDF File 2566426.pdf | 434 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566426-A // Relay selecting and indicating circuit // Parks Charles O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 434 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566426-A // Relay selecting and indicating circuit // Parks Charles O. // Bell Telephone Labor Inc | ||||
| PDF File 2566405.pdf | 776 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566405-A // Frequency modulation // Lange Owen E. De ; Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 776 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566405-A // Frequency modulation // Lange Owen E. De ; Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2564441.pdf | 6.29 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564441-A // Telephone system requiring different types of pulses // Mckim Burton ; Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.29 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564441-A // Telephone system requiring different types of pulses // Mckim Burton ; Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2564439.pdf | 1.07 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564439-A // Standard frequency system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564439-A // Standard frequency system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2564437.pdf | 1.41 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564437-A // Automatic volume control // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564437-A // Automatic volume control // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2564432.pdf | 778 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564432-A // Impulse counting relay // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 778 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564432-A // Impulse counting relay // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2564429.pdf | 5.05 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564429-A // Ground trainer for aircraft personnel // Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.05 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564429-A // Ground trainer for aircraft personnel // Germanton Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2564425.pdf | 419 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564425-A // Unitary amplifier for hearing aids // Corso Frank S. ; Crabtree Theodore H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 419 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564425-A // Unitary amplifier for hearing aids // Corso Frank S. ; Crabtree Theodore H. // Bell Telephone Labor Inc | ||||
| PDF File 2564419.pdf | 759 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564419-A // Time division multiplex system for signals of different band width // Bown Ralph // Bell Telephone Labor Inc | |||
| Version 1 (current) | 759 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564419-A // Time division multiplex system for signals of different band width // Bown Ralph // Bell Telephone Labor Inc | ||||
| PDF File 2564125.pdf | 608 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564125-A // Selecting system // Mohr Milton E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564125-A // Selecting system // Mohr Milton E. // Bell Telephone Labor Inc | ||||
| PDF File 2564040.pdf | 565 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564040-A // Glow discharge voltage control device // Vance Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 565 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564040-A // Glow discharge voltage control device // Vance Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2564017.pdf | 705 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564017-A // Clamp circuit // Maggio John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564017-A // Clamp circuit // Maggio John B. // Bell Telephone Labor Inc | ||||
| PDF File 2564010.pdf | 1.30 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564010-A // Unattended repeater testing by causing the repeaters to oscillate // Jacobs Oliver B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564010-A // Unattended repeater testing by causing the repeaters to oscillate // Jacobs Oliver B. // Bell Telephone Labor Inc | ||||
| PDF File 2564007.pdf | 378 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564007-A // Coupling for wave guides // Hochgraf Lester // Bell Telephone Labor Inc | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564007-A // Coupling for wave guides // Hochgraf Lester // Bell Telephone Labor Inc | ||||
| PDF File 2563990.pdf | 608 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2563990-A // Wave guide switching arrangement // Cutler Cassius C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2563990-A // Wave guide switching arrangement // Cutler Cassius C. // Bell Telephone Labor Inc | ||||
| PDF File 2563824.pdf | 627 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2563824-A // High-speed stepping distributor and counting circuit // Dunlap Kermit S. ; Seckler Howard N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 627 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2563824-A // High-speed stepping distributor and counting circuit // Dunlap Kermit S. ; Seckler Howard N. // Bell Telephone Labor Inc | ||||
| PDF File 2562717.pdf | 960 kB | Shaun Ewing | Jul 31, 1951 00:00 |
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US-2562717-A // Dialed number recovery circuit // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 960 kB | Shaun Ewing | Jul 31, 1951 00:00 | US-2562717-A // Dialed number recovery circuit // Holden William H. T. // Bell Telephone Labor Inc |
