Patent · US Expired

Demultiplex and storage system for time division multiplexed frames of musical data

US4104950A · kind A · utility

9Cited by
9References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 28, 1976
Grant dateAug 8, 1978
Priority date
Expiry dateApr 28, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S84/29
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

There is disclosed a system for demultiplexing and storing time division multiplexed frames of musical data encoded ina bi-phase mark/space code. Data in sequential groups of data bit cells is stored in a shift register while a counter counts the data bit cells. A plurality of latch circuits, each capable of storing one said group of data, are sequentially enabled to receive and store the data, in the groups, respectively. After all of the data bit cells in a given time frame are stored, they are simultaneously gated to transistor driver circuits for operating solenoids which, in turn, re-create the music.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.