Signal generating and receiving apparatuses based on synchronous transfer mode
US5086438A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1990 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Dec 20, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J2203/0062
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A signal generating apparatus of this invention includes a timing signal generation unit (N), a signal generation unit (M) for generating a desired signal on the basis of a timing signal generated by the timing signal generation unit (N), and a signal synthesizer (S). The timing signal generation unit (N) includes a first counter (N1), a coincidence discrimination circuit (N2), a second counter (N3), a timing signal generator (N4), and an identification signal generator (N5). The timing signal generation unit (N) generates a timing signal for inserting the pattern signal in a predetermined portion. The signal generation unit (M) includes an additional signal generator (M1), an overhead signal generator (M2), and a pattern signal generator (M3). The signal synthesizer (S) synthesizes the pattern signal with the additional signal and the overhead signal, and outputs a synthesized signal. The coincidence discrimination circuit (N2) receives address information representing a desired information signal position. The second counter (N3) and the timing signal generator (N4) perform substantially predetermined operations for the address information at an arbitrary position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.