Electronic chime and strike system
US4073133A · kind A · utility
28Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1976 |
| Grant date | Feb 14, 1978 |
| Priority date | — |
| Expiry date | Apr 13, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G13/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic system having a chime and strike program simulating the program of a Westminster clock including an actuating source, a solid state integrated circuit and a loud speaker. The integrated circuit includes a plurality of counters for activating a frequency synthesizer and both tone switching and generating circuits thereby to generate the strike and chime program on the hour and a chime program on the other quarter hours indicative of the time throughout a 24-hour period. The chime program is sequenced by a chime matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.