Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2701305.pdf | 1005 kB | Shaun Ewing | Feb 01, 1955 00:00 |
|
US-2701305-A // Recognition circuit // Hopper Andrew L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1005 kB | Shaun Ewing | Feb 01, 1955 00:00 | US-2701305-A // Recognition circuit // Hopper Andrew L. // Bell Telephone Labor Inc | ||||
| PDF File 2595667.pdf | 1003 kB | Shaun Ewing | May 06, 1952 00:00 |
|
US-2595667-A // Sweep circuit // Gaines Wilbur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1003 kB | Shaun Ewing | May 06, 1952 00:00 | US-2595667-A // Sweep circuit // Gaines Wilbur L. // Bell Telephone Labor Inc | ||||
| PDF File 2566840.pdf | 1001 kB | Shaun Ewing | Sept 04, 1951 00:00 |
|
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 2592615.pdf | 1001 kB | Shaun Ewing | Apr 15, 1952 00:00 |
|
US-2592615-A // Current supply apparatus // Stone John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1001 kB | Shaun Ewing | Apr 15, 1952 00:00 | US-2592615-A // Current supply apparatus // Stone John R. // Bell Telephone Labor Inc | ||||
| PDF File 2579302.pdf | 996 kB | Shaun Ewing | Dec 18, 1951 00:00 |
|
US-2579302-A // Decoder for pulse code modulation // Carbrey Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 996 kB | Shaun Ewing | Dec 18, 1951 00:00 | US-2579302-A // Decoder for pulse code modulation // Carbrey Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2590500.pdf | 994 kB | Shaun Ewing | Mar 25, 1952 00:00 |
|
US-2590500-A // Telephone ringer // Bredehoft Harold A. ; Richardson Max S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 994 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590500-A // Telephone ringer // Bredehoft Harold A. ; Richardson Max S. // Bell Telephone Labor Inc | ||||
| PDF File 2580069.pdf | 991 kB | Shaun Ewing | Dec 25, 1951 00:00 |
|
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 2552619.pdf | 991 kB | Shaun Ewing | May 15, 1951 00:00 |
|
US-2552619-A // Electron beam coder for pulse code modulation // Carbrey Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 991 kB | Shaun Ewing | May 15, 1951 00:00 | US-2552619-A // Electron beam coder for pulse code modulation // Carbrey Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2657264.pdf | 989 kB | Shaun Ewing | Oct 27, 1953 00:00 |
|
US-2657264-A // Automatic volume control // Augustadt Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 989 kB | Shaun Ewing | Oct 27, 1953 00:00 | US-2657264-A // Automatic volume control // Augustadt Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 2676203.pdf | 988 kB | Shaun Ewing | Apr 20, 1954 00:00 |
|
US-2676203-A // Frequency spacing in two-tone carrier system // Phelps Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Apr 20, 1954 00:00 | US-2676203-A // Frequency spacing in two-tone carrier system // Phelps Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2715922.pdf | 984 kB | Shaun Ewing | Aug 23, 1955 00:00 |
|
US-2715922-A // Method and apparatus for forming cables // Miloche Herman A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 984 kB | Shaun Ewing | Aug 23, 1955 00:00 | US-2715922-A // Method and apparatus for forming cables // Miloche Herman A. // Bell Telephone Labor Inc | ||||
| PDF File 2547539.pdf | 984 kB | Shaun Ewing | Apr 03, 1951 00:00 |
|
US-2547539-A // Signal wave duplexing system // Ring Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 984 kB | Shaun Ewing | Apr 03, 1951 00:00 | US-2547539-A // Signal wave duplexing system // Ring Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 2556991.pdf | 983 kB | Shaun Ewing | Jun 12, 1951 00:00 |
|
US-2556991-A // Light-sensitive electric device // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 983 kB | Shaun Ewing | Jun 12, 1951 00:00 | US-2556991-A // Light-sensitive electric device // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2693568.pdf | 980 kB | Shaun Ewing | Nov 02, 1954 00:00 |
|
US-2693568-A // Current and voltage regulation // Chase Fay H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Nov 02, 1954 00:00 | US-2693568-A // Current and voltage regulation // Chase Fay H. // Bell Telephone Labor Inc | ||||
| PDF File 2615961.pdf | 977 kB | Shaun Ewing | Oct 28, 1952 00:00 |
|
US-2615961-A // Magnetic testing system // Means Winthrop J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 977 kB | Shaun Ewing | Oct 28, 1952 00:00 | US-2615961-A // Magnetic testing system // Means Winthrop J. // Bell Telephone Labor Inc | ||||
| PDF File 2542844.pdf | 977 kB | Shaun Ewing | Feb 20, 1951 00:00 |
|
US-2542844-A // Microwave directive antenna // Smith Phillip H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 977 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542844-A // Microwave directive antenna // Smith Phillip H. // Bell Telephone Labor Inc | ||||
| PDF File 2673936.pdf | 977 kB | Shaun Ewing | Mar 30, 1954 00:00 |
|
US-2673936-A // Diode gate // Harris James R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 977 kB | Shaun Ewing | Mar 30, 1954 00:00 | US-2673936-A // Diode gate // Harris James R. // Bell Telephone Labor Inc | ||||
| PDF File 2664504.pdf | 975 kB | Shaun Ewing | Dec 29, 1953 00:00 |
|
US-2664504-A // Cathode-ray decoder for pulse code modulation // Bennett William R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 975 kB | Shaun Ewing | Dec 29, 1953 00:00 | US-2664504-A // Cathode-ray decoder for pulse code modulation // Bennett William R. // Bell Telephone Labor Inc | ||||
| PDF File 2632101.pdf | 973 kB | Shaun Ewing | Mar 17, 1953 00:00 |
|
US-2632101-A // Reduction of noise in transmission systems // Quarles Donald A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 973 kB | Shaun Ewing | Mar 17, 1953 00:00 | US-2632101-A // Reduction of noise in transmission systems // Quarles Donald A. // Bell Telephone Labor Inc | ||||
| PDF File 2634384.pdf | 972 kB | Shaun Ewing | Apr 07, 1953 00:00 |
|
US-2634384-A // Thermal structure for electron discharge devices // Ford Gaylon T. ; Walsh Edward J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 972 kB | Shaun Ewing | Apr 07, 1953 00:00 | US-2634384-A // Thermal structure for electron discharge devices // Ford Gaylon T. ; Walsh Edward J. // Bell Telephone Labor Inc |
