US4829514A — Digital voice recording and reproduction and tele…

Claim 1

Independent Claim 105 words

A digital voice recording and telephone network signalling system comprising a high speed processor (HSP), a high speed RAM connected to the HSP, an internal processor connected to the high speed RAM, a storage RAM connected to the internal processor for communicating digital signals, switching means, and encoding and decoding means connected to each other and connected to the HSP and to the high speed RAM for communicating signals with the HSP and the high speed RAM, and input and output means connected to the switching means and to the encoding and decoding means for communicating voice frequency signals with the encoding and decoding means.

Claim 2

Dependent Claim 105 words

A digital voice recording and telephone network signalling system comprising a high speed processor (HSP), a high speed RAM connected to the HSP, an internal processor connected to the high speed RAM, a storage RAM connected to the internal processor for communicating digital signals, switching means, and encoding and decoding means connected to each other and connected to the HSP and to the high speed RAM for communicating signals with the HSP and the high speed RAM, and input and output means connected to the switching means and to the encoding and decoding means for communicating voice frequency signals with the encoding and decoding means.

Claim 3

Dependent Claim 36 words

The apparatus of claim 1 further comprising control means connected to the internal processor and to the high speed RAM and the HSP for controlling the high speed RAM and the HSP with the internal processor.

Claim 4

Dependent Claim 51 words

The apparatus of claim 1 wherein the encoding and decoding means comprises coder/decoder (CODEC) chips connected to the input and output means for communicating voice frequency signals with the input and output means and connected to the switching means for providing pulse code modulated (PCM) digital signals to the switching means.

Claim 5

Dependent Claim 25 words

The system of claim 3 wherein the switching means further comprises a digital switching means connected to the CODEC chips for communicating digital signals therewith.

Claim 6

Dependent Claim 36 words

The system of claim 4 further comprising means, such as a serial-to-parallel converter, connected to digital switching means and to the high speed processor (HSP) for communicating digital signals from the switching means to the HSP.

Claim 7

Dependent Claim 38 words

The system of claim 4 further comprising means, such as a parallel-to-serial converter, connected to the high speed RAM and to the digital switching means (DSM) for communicating digital signals from the high speed RAM to the DSM.

Claim 8

Dependent Claim 55 words

The system of claim 4 further comprising an internal processor and a backplane bus having first connections to the DSM, to the high speed RAM, and to the HSP and having second connections to the internal processor for controlling the DSM, the high speed RAM, and HSP and the storage RAM by the internal processor.

Claim 9

Dependent Claim 21 words

The system of claim 7 wherein the internal processor comprises a single board microcomputer which is connected to the backplane bus.

Claim 10

Dependent Claim 35 words

The system of claim 1 further comprising a backplane bus having proximal connections to the internal processor and having distal connections to the storage RAM, the HSP, and high speed RAM, and the switching means.

Claim 11

Dependent Claim 20 words

The system of claim 9 further comprising an application processor connected to the internal processor for controlling the internal processor.

Claim 12

Dependent Claim 33 words

The system of claim 1 wherein the encoding and decoding means comprises coder/decoder means connected to headsets and to a message input means and to telephone lines and connected to the switching means.

Claim 13

Dependent Claim 14 words

The system of claim 1 wherein the switching means comprises a digital cross point.

Claim 14

Dependent Claim 30 words

The system of claim 1 wherein the switching means comprises a T1 interface means connected to a modular switch which, in turn, is connected to the input and output devices.

Claim 15

Dependent Claim 51 words

The system of claim 13 further comprising an internal processor and a backplane bus having proximal connections to the internal processor and having distal connections to the T1 interface means, the high speed RAM, and the HSP; and a control and status connection between the internal processor and the modular switch.

Claim 16

Dependent Claim 28 words

The system of claim 1 wherein the switching means comprises a T1 interface means containing the digital switching means and connected to the input and output devices 1.

Claim 17

Dependent Claim 37 words

The system of claim 15 further comprising an internal processor and a backplane bus having proximal connections to the internal processor and having distal connections to the T1 interface means, the high speed RAM, and the HSP.

Claim 18

Dependent Claim 33 words

The system of claim 1 further comprising a backplane bus having proximal connections to the internal processor and having distal connections to the digital switching means, the high speed RAM, and the HSP.

Claim 19

Dependent Claim 18 words

The system of claim 17 comprising control means connected to the internal processor for controlling the internal processor.

Claim 20

Dependent Claim 12 words

The system of claim 18 wherein the control means is a terminal.

Claim 21

Dependent Claim 12 words

The system of claim 18 wherein the control means is a computer.

Claim 22

Dependent Claim 61 words

A digital voice recording and production and telephone network signalling method comprising the steps of retrieving digital signals from a storage RAM, processing the digital signals and delivering the processed signals into a high speed RAM, delivering digital signals from the high speed RAM, and switching and decoding the digital signals into voice frequency signals over one of plural telephone lines.

Claim 23

Dependent Claim 61 words

A digital voice recording and production and telephone network signalling method comprising the steps of retrieving digital signals from a storage RAM, processing the digital signals and delivering the processed signals into a high speed RAM, delivering digital signals from the high speed RAM, and switching and decoding the digital signals into voice frequency signals over one of plural telephone lines.

Claim 24

Dependent Claim 56 words

The method of claim 21 further comprising providing a voice signal to coding means and digitally encoding the voice signals into digital signals, providing the digital signals to the high speed RAM, providing digital signals from the high speed RAM to an internal processor, and providing digital signals from the internal processor to the storage RAM.

Claim 25

Dependent Claim 35 words

The method of claim 22 wherein providing digital signals to th high speed RAM comprises providing digital signals to a high speed processor and providing digital signals from the processor to the high speed RAM.

Claim 26

Dependent Claim 48 words

The method of claim 21 wherein providing digital signals from the high speed RAM comprises providing parallel digital signals to a parallel-to-serial converter, providing serial signals to a digital switching means (DSM), and providing digital signals from the DSM to a selected one of plural coder/decoder (CODEC) chips.

Claim 27

Dependent Claim 52 words

The method of claim 24 further comprising providing input voice signals to a CODEC chip, providing digital signals from the CODEC chip to the digital switching means (DSM), providing serial digital signals from the DSM to a serial-to-parallel converter, and providing parallel digital signals from the converter to the high speed RAM.

Claim 28

Dependent Claim 41 words

The method of claim 25 wherein providing digital signals to the high speed RAM comprises providing digital signals to a high speed processor, such as a digital signal processor, and providing digital signals from the processor to the high speed RAM.

Claim 29

Dependent Claim 34 words

The method of claim 24 further comprising controlling the digital switching means, the high speed RAM and the high speed processor with an internal processor, and controlling the internal processor with an application processor.

Claim 30

Dependent Claim 61 words

The method of claim 21 wherein the switching and encoding steps comprise encoding voice signals into digital signals, communicating digital signals into the high speed RAM, and switching digital signals to and from the high speed RAM; and the decoding steps comprise decoding digital signals from the high speed RAM into voice signals and providing the voice signals to output means.

Claim 31

Dependent Claim 204 words

A call management system having a digital voice recording and reproducing means and telephone network signalling apparatus comprising: a storage RAM for storing digital signals, and internal processor connected to the storage RAM for processing digital signals to and from the storage RAM; a high speed RAM connected to the internal processor for receiving and transmitting digital signals to and from the internal processor; encoding and decoding and switching means connected to each other for encoding, decoding and switching signals and connected to the high speed RAM for encoding voice signals into pulse code modulated (PCM) signals to be delivered into the high speed RAM, and for decoding digital PCM signals from the high speed RAM; and a high speed processor (HSP) connected to the high speed RAM for delivering signals from the switching means to the high speed RAM, the HSP and the storage RAM, for controlling the inputting of signals to the high speed processor, to the high speed RAM and to the storage RAM, and for controlling the outputting of signals from the storage RAM to the internal processor and the high speed RAM, and thence via the switching means and the decoding means to output means such as telephone lines.

Claim 32

Dependent Claim 204 words

A call management system having a digital voice recording and reproducing means and telephone network signalling apparatus comprising: a storage RAM for storing digital signals, and internal processor connected to the storage RAM for processing digital signals to and from the storage RAM; a high speed RAM connected to the internal processor for receiving and transmitting digital signals to and from the internal processor; encoding and decoding and switching means connected to each other for encoding, decoding and switching signals and connected to the high speed RAM for encoding voice signals into pulse code modulated (PCM) signals to be delivered into the high speed RAM, and for decoding digital PCM signals from the high speed RAM; and a high speed processor (HSP) connected to the high speed RAM for delivering signals from the switching means to the high speed RAM, the HSP and the storage RAM, for controlling the inputting of signals to the high speed processor, to the high speed RAM and to the storage RAM, and for controlling the outputting of signals from the storage RAM to the internal processor and the high speed RAM, and thence via the switching means and the decoding means to output means such as telephone lines.

Claim 33

Dependent Claim 59 words

The system of claim 29 further comprising controlling means and sensing means connected to the internal processor and to the switching means, the high speed processor (HSP), and the high speed RAM, and connected to the HSP and the high speed RAM for controlling and sensing the condition of the high speed RAM, the switching means and the HSP.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1992-05-08	1992-11-07	1993-05-09	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1996-05-08	1996-11-07	1997-05-09	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2000-05-08	2000-11-07	2001-05-09	$7700.00	Window Closed / Lapsed

Digital voice recording and reproduction and telephone network signalling using direct storage in RAM of PCM encoded data

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag