Tone detection synchronizer
US4041248A · kind A · utility
0Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1976 |
| Grant date | Aug 9, 1977 |
| Priority date | — |
| Expiry date | Oct 21, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q1/457
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A synchronizer circuit for use with tone receivers employed in the reception of asynchronous tones. A plurality of latch stages controlled by an external clock pulse source and internal timing circuitry provides synchronized outputs of a series of signals which represent the input tone on-off sequences.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.