Method for cellular text telephone modem operation with sampling rate conversion and machine readable medium
US9979831B2 · kind B2 · utility
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1References
16Claims
0Family size
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Key dates
| Filing date | Sep 7, 2015 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Sep 7, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/42391
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for Cellular Text Telephone Modem (CTM) signal transmission includes: converting a CTM transmitter signal carried in a first sampling rate to generate a transmission signal carried in a second sampling rate, wherein the second sampling rate is different from the first sampling rate; and outputting the transmission signal carried in the second sampling rate to a CTM receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.