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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2704790.pdf | 457 kB | Shaun Ewing | Mar 22, 1955 00:00 |
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US-2704790-A // Reduction of noise level in magnetic recording systems by use of a.-c. bias and/or d.-c. correction of asymmetry // Gratian Joseph W. // Stromberg Carlson Co | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Mar 22, 1955 00:00 | US-2704790-A // Reduction of noise level in magnetic recording systems by use of a.-c. bias and/or d.-c. correction of asymmetry // Gratian Joseph W. // Stromberg Carlson Co | ||||
| PDF File 2704787.pdf | 1.00 MB | Shaun Ewing | Mar 22, 1955 00:00 |
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US-2704787-A // Telephone trunk supervisory circuit // Pharis William W. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Mar 22, 1955 00:00 | US-2704787-A // Telephone trunk supervisory circuit // Pharis William W. // Stromberg Carlson Co | ||||
| PDF File 2704308.pdf | 564 kB | Shaun Ewing | Mar 15, 1955 00:00 |
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US-2704308-A // Howler circuit for telephone systems // Kessler Frank // Stromberg Carlson Co | |||
| Version 1 (current) | 564 kB | Shaun Ewing | Mar 15, 1955 00:00 | US-2704308-A // Howler circuit for telephone systems // Kessler Frank // Stromberg Carlson Co | ||||
| PDF File 2703342.pdf | 672 kB | Shaun Ewing | Mar 01, 1955 00:00 |
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US-2703342-A // Transmission of control signals in a telecommunication system // Reagan Leon H. // Stromberg Carlson Co | |||
| Version 1 (current) | 672 kB | Shaun Ewing | Mar 01, 1955 00:00 | US-2703342-A // Transmission of control signals in a telecommunication system // Reagan Leon H. // Stromberg Carlson Co | ||||
| PDF File 2702879.pdf | 444 kB | Shaun Ewing | Feb 22, 1955 00:00 |
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US-2702879-A // Rectifier network // Wheeler John L. // Stromberg Carlson Co | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Feb 22, 1955 00:00 | US-2702879-A // Rectifier network // Wheeler John L. // Stromberg Carlson Co | ||||
| PDF File 2702832.pdf | 776 kB | Shaun Ewing | Feb 22, 1955 00:00 |
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US-2702832-A // Telephone system // Pharis William W. // Stromberg Carlson Co | |||
| Version 1 (current) | 776 kB | Shaun Ewing | Feb 22, 1955 00:00 | US-2702832-A // Telephone system // Pharis William W. // Stromberg Carlson Co | ||||
| PDF File 2702831.pdf | 914 kB | Shaun Ewing | Feb 22, 1955 00:00 |
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US-2702831-A // Ringing control circuit for telephone systems // Elliott George ; Pharis William W. // Stromberg Carlson Co | |||
| Version 1 (current) | 914 kB | Shaun Ewing | Feb 22, 1955 00:00 | US-2702831-A // Ringing control circuit for telephone systems // Elliott George ; Pharis William W. // Stromberg Carlson Co | ||||
| PDF File 2702314.pdf | 1.43 MB | Shaun Ewing | Feb 15, 1955 00:00 |
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US-2702314-A // Conversation timing means // Pharis William W. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Feb 15, 1955 00:00 | US-2702314-A // Conversation timing means // Pharis William W. // Stromberg Carlson Co | ||||
| PDF File 2701283.pdf | 510 kB | Shaun Ewing | Feb 01, 1955 00:00 |
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US-2701283-A // Stepping switch // Droel Louis W. // Stromberg Carlson Co | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Feb 01, 1955 00:00 | US-2701283-A // Stepping switch // Droel Louis W. // Stromberg Carlson Co | ||||
| PDF File 2701278.pdf | 791 kB | Shaun Ewing | Feb 01, 1955 00:00 |
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US-2701278-A // Connector circuits // Pharis William W. // Stromberg Carlson Co | |||
| Version 1 (current) | 791 kB | Shaun Ewing | Feb 01, 1955 00:00 | US-2701278-A // Connector circuits // Pharis William W. // Stromberg Carlson Co | ||||
| PDF File 2700069.pdf | 1.69 MB | Shaun Ewing | Jan 18, 1955 00:00 |
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US-2700069-A // Measured service telephone system // Pharis William W. ; Reagan Leon H. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Jan 18, 1955 00:00 | US-2700069-A // Measured service telephone system // Pharis William W. ; Reagan Leon H. // Stromberg Carlson Co | ||||
| PDF File 2697781.pdf | 839 kB | Shaun Ewing | Dec 21, 1954 00:00 |
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US-2697781-A // Automatic ring starting circuit // Trousdale Robert B. // Stromberg Carlson Co | |||
| Version 1 (current) | 839 kB | Shaun Ewing | Dec 21, 1954 00:00 | US-2697781-A // Automatic ring starting circuit // Trousdale Robert B. // Stromberg Carlson Co | ||||
| PDF File 2697135.pdf | 336 kB | Shaun Ewing | Dec 14, 1954 00:00 |
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US-2697135-A // Magnetic recording head // Gratian Joseph W. // Stromberg Carlson Co | |||
| Version 1 (current) | 336 kB | Shaun Ewing | Dec 14, 1954 00:00 | US-2697135-A // Magnetic recording head // Gratian Joseph W. // Stromberg Carlson Co | ||||
| PDF File 2695954.pdf | 683 kB | Shaun Ewing | Nov 30, 1954 00:00 |
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US-2695954-A // Pulse modulation reconstructor circuit // Trousdale Robert B. // Stromberg Carlson Co | |||
| Version 1 (current) | 683 kB | Shaun Ewing | Nov 30, 1954 00:00 | US-2695954-A // Pulse modulation reconstructor circuit // Trousdale Robert B. // Stromberg Carlson Co | ||||
| PDF File 2694750.pdf | 2.40 MB | Shaun Ewing | Nov 16, 1954 00:00 |
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US-2694750-A // Digit canceling system // Trousdale Robert B. // Stromberg Carlson Co | |||
| Version 1 (current) | 2.40 MB | Shaun Ewing | Nov 16, 1954 00:00 | US-2694750-A // Digit canceling system // Trousdale Robert B. // Stromberg Carlson Co | ||||
| PDF File 2694172.pdf | 1.37 MB | Shaun Ewing | Nov 09, 1954 00:00 |
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US-2694172-A // Direct current power supply // Trousdale Robert B. // Stromberg Carlson Co | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Nov 09, 1954 00:00 | US-2694172-A // Direct current power supply // Trousdale Robert B. // Stromberg Carlson Co | ||||
| PDF File 2691071.pdf | 953 kB | Shaun Ewing | Oct 05, 1954 00:00 |
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US-2691071-A // Party line station identification dial mechanism // Maccheyne George W. // Stromberg Carlson Co | |||
| Version 1 (current) | 953 kB | Shaun Ewing | Oct 05, 1954 00:00 | US-2691071-A // Party line station identification dial mechanism // Maccheyne George W. // Stromberg Carlson Co | ||||
| PDF File 2691070.pdf | 930 kB | Shaun Ewing | Oct 05, 1954 00:00 |
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US-2691070-A // Party line station identification dial mechanism // Morris Frank A. // Stromberg Carlson Co | |||
| Version 1 (current) | 930 kB | Shaun Ewing | Oct 05, 1954 00:00 | US-2691070-A // Party line station identification dial mechanism // Morris Frank A. // Stromberg Carlson Co | ||||
| PDF File 2691069.pdf | 767 kB | Shaun Ewing | Oct 05, 1954 00:00 |
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US-2691069-A // Telephone intercept circuit // Frankel Theodor // Stromberg Carlson Co | |||
| Version 1 (current) | 767 kB | Shaun Ewing | Oct 05, 1954 00:00 | US-2691069-A // Telephone intercept circuit // Frankel Theodor // Stromberg Carlson Co | ||||
| PDF File 2691068.pdf | 2.75 MB | Shaun Ewing | Oct 05, 1954 00:00 |
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US-2691068-A // Two-way carrier type trunk circuit // Pharis William W. // Stromberg Carlson Co | |||
| Version 1 (current) | 2.75 MB | Shaun Ewing | Oct 05, 1954 00:00 | US-2691068-A // Two-way carrier type trunk circuit // Pharis William W. // Stromberg Carlson Co |