Spread spectrum receiver having phase shifter for effecting phase synchronization of two convolvers
US4924188A · kind A · utility
12Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Sep 27, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H11/20
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A phase shifter is disclosed which performs a desired phase shift by distributing an input signal to two signals whose phases are different by 90.degree. from each other which signals are added to each other after having been weighted with a sine and a cosine function signal, the sine and the cosine function signal being able to be set in a digital manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.