Digital dpcm-coders of high processing speed
CA 1214279 A · Owner: Siemens Aktiengesellschaft · Inventors: Grallert, Hans-Joachim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital DPCM-coder of high processing speed a, second quantizer being employed, and likewise supplied with the DPCM-signal as is determined in a calculating loop from an output of a quantizer arrangement which emits from its output the quantized DPCM-signal multiplied by a prediction factor. As a result one, less calculating operation is required and a DPCM-, coder constructed in accordance with the invention can process a higher PCM-data rate at a constant calculating speed of the components. (Figure 2).
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.