Acoustic data output device having single addressable memory
US5303629A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1991 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | Feb 26, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2230/351
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An acoustic data output device comprises an addressable memory for storing acoustic data. A plurality of clock signals are coupled to count separate address counters of a number corresponding to the number of clock signals. A signal selector is responsive to the clock signals for providing an address counter selection signal, whereby at any given time the selection signal corresponds to a separate one of the address counters. An addressing device is responsive to the address counter selection signal for selectively addressing the addressable memory with the count of the corresponding address counter. A separate data latch corresponds to each address counter and the data latches are coupled to receive the output of said addressable memory. The outputs of the data latches are synchronized with the clock signal corresponding thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.