Method of setting spread code series and communication apparatus using spread spectrum communication method
US5764685A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1995 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Apr 20, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J13/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A spread code series setting apparatus which sets a spread code series used in a radio or radio communication system capable of performing communication according to spread spectrum method, and has a stationary communication unit such as the master unit of a cordless telephone, capable of setting a spread code series each time a predetermined condition is met and outputting resultant spread code series setting information, in addition to which said apparatus also has a movable unit such as a subordinate unit of a cordless telephone, capable of setting a spread code series based on the spread code series setting information transmitted from the stationary communication unit in which spread code series is set in accordance with a method which has a transmitting step in which a spread code series is set in a stationary communication unit each time a predetermined condition is met and the spread code series setting information concerning the set spread code series is transmitted, and a receiving step in which spread code series, derived from the spread code series setting information, is set in the movable unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.