US 5,632,001 A · Mobile communication apparatus having recording/reproducing function

Abstract

A mobile communication apparatus having a recording/reproducing function. The object is to record a greater amount of speech by recording a voice with a reduced amount of memory and to reproduce the recorded signals into original voices, when loading a recording/reproducing function into the mobile communication apparatus. There is provided a recording/reproducing section capable of recording either digital speech signals compressed in a digital speech signal processing section provided in the mobile communication apparatus which digitally performs a communication or compressed digital speech data transmitted from the other party in communication by way of a base station. The thus recorded compressed digital speech data may be supplied into the digital speech signal processing section for the reproduction on the side of the local central office or may be transmitted to the base station for the reproduction on the side of the other party in communication.

Drawings

Drawings are temporarily unavailable. Open the PDF at USPTO

Drawings

Claims15

Dependent claims

A mobile communication apparatus having a recording/reproducing function comprising:

(a) an A/D conversion means for converting analog speech signals into digital speech signals;
(b) a digital speech signal processing means for compressing said digital speech signals derived from said A/D conversion means and for expanding compressed digital speech data received from a base station;
(c) a D/A conversion means for converting said digital speech data expanded by said speech signal processing means into analog speech signals;
(d) a recording/reproducing means connected to said digital speech signal processing means for recording the digital speech signals compressed by said digital speech signal processing means or compressed digital speech data received from said base station and for reproducing thus recorded compressed digital speech data;
and
(e) a control means connected to said digital speech signal processing means and said recording/reproducing means for controlling the recording or the reproduction by said recording/reproducing means;
(f) an analog speech processing means for processing said analog speech signals;
and
(g) a switching means for selecting said analog speech processing means when transmitting and receiving said analog speech signals and for selecting said digital speech signal processing means when transmitting and receiving said digital speech data.

6 more elements

A mobile communication apparatus having a recording/reproducing function, comprising:

(a) an A/D conversion means for converting analog speech signal into digital speech signals;
(b) a digital speech signal processing means including a speech coding section for compressing digital speech signals derived from said A/D conversion means, an error correction coding section for conferring error correction codes on the digital speech signals compressed by said speech coding section, an error correction decoding section for performing error correction processing for the compressed digital speech data based on said error codes imparted to said compressed digital speech data received from said base station, and a speech decoding section for expanding said compressed digital speech data derived from said error correction decoding section;
(c) a D/A conversion means for converting said digital speech signals derived from said speech decoding section into analog speech signals;
(d) a recording/reproducing means connected between said speech coding section and said error correction section and between said error correction decoding section and said speech decoding section for recording compressed digital speech data derived from said speech coding section and said error correction decoding section and for supplying thus recorded compressed digital signals into said speech decoding section or said error correction decoding section;
and
(e) a control means connected to said digital speech signal processing means and said recording/reproducing means for controlling the recording and reproducing in said recording/reproducing means.

3 more elements

A mobile communication apparatus having a reproducing function comprising:

(a) an A/D conversion means for converting analog speech signals into digital speech signals;
(b) a digital speech signal processing means for compressing said digital speech signals derived from said A/D conversion means and for expanding compressed digital speech data received from a base station;
(c) a D/A conversion means for converting said digital speech signals expanded by said speech signal processing means into analog speech signals;
(d) a reproducing means connected to said digital speech signal processing means for reproducing compressed digital speech data having a pattern corresponding to input predetermined signal data, and for outputting them to said digital speech signal processing means or said base station;
(e) a control means connected to said digital speech signal processing means and said reproducing means for controlling the reproduction by said reproducing means;
(f) an analog speech processing means for processing said analog speech signals;
and
(g) a switching means for selecting said analog speech processing means when transmitting and receiving said analog speech signals and for selecting said digital speech signal processing means when transmitting and receiving said digital speech signals.

5 more elements

A mobile communication apparatus having a reproducing function, comprising:

(a) an A/D conversion means for converting analog speech signal into digital speech signals;
(b) a digital speech signal processing means including a speech coding section for compressing digital speech signals derived from said A/D conversion means, an error correction coding section for conferring error correction codes on the digital speech signals compressed by said speech coding section, an error correction decoding section for performing error correction processing for the compressed digital speech data based on said error codes imparted to said compressed digital speech data received from said base station, and a speech decoding section for expanding said compressed digital speech data derived from said error correction decoding section;
(c) a D/A conversion means for converting said digital speech signals derived from said speech decoding section into analog speech signals;
(d) a reproducing means connected between said speech coding section and said error correction section and between said error correction decoding section and said speech decoding section for reproducing compressed digital speech signals having a pattern corresponding to input predetermined signal data and for outputting them to said error correction coding section or said speech decoding section;
and
(e) a control means connected to said digital speech signal processing means and said recording/reproducing means for controlling the recording and reproducing in said recording/reproducing means.

3 more elements

A mobile communication apparatus having a reproducing function, comprising:

(a) an A/D conversion means for converting analog speech signal into digital speech signals;
(b) a digital speech signal processing means including a speech coding section for compressing digital speech signals derived from said A/D conversion means, an error correction coding section for conferring error correction codes on the digital speech data compressed by said speech coding section, an error correction decoding section for performing error correction processing for the compressed digital speech data based on said error codes imparted to said compressed digital speech data received from said base station, and a speech decoding section for expanding said compressed digital speech data derived from said error correction decoding section;
(c) a D/A conversion means for converting said digital speech signals derived from said speech decoding section into analog speech signals;
and
(d) a reproducing means connected between said speech coding section and said error correction section and between said error correction decoding section and said speech decoding section for reproducing compressed digital speech data having a pattern corresponding to predetermined signal data received from a base station and to output them to said error correction coding section or said speech decoding section.

2 more elements

Dependencies are inferred from the claim text.

Description8,465 words

Summary2,310 words

#1. Field of the Invention

#The present invention relates to a mobile communication apparatus capable of recording or reproduction.

#2. Description of the Related Arts

Brief description of the drawings20 figures

#FIG. 1 is a block diagram showing a mobile communication apparatus in accordance with a first embodiment of the present invention;

#FIG. 2 is a block diagram showing a mobile communication apparatus in accordance with a second embodiment of the present invention;

#FIG. 3 is a block diagram showing a mobile communication apparatus in accordance with a third embodiment of the present invention;

Detailed description5,707 words

#Referring first to FIG. 1, there is shown a mobile communication apparatus which is a first embodiment of the present invention. Reference numeral 10 denotes a recording/reproducing section for recording compressed digital speech signals and outputting them, which is comprised of a memory element including a RAM. Reference numeral 11 is a control section for controlling the communicating action of the entire apparatus and controlling the recording/reproducing section 10. It is to be noted that since the other constituent elements are the same as the conventional ones shown in FIGS. 19 and 20, they are marked by the same reference numerals and description thereof will be omitted.

#Description will now be given of the action. For an ordinary call, the action is very much the same as that shown in the prior art.

#In the case of recording speech from the local central office in a calling or communication state (which means, in this case, a state capable of transmitting and receiving a voice), the control section 11 supplies a control signal for starting a recording to the recording/reproducing section 10. Upon receiving the control signal, the recording/reproducing section 10 takes in and records a compressed digital speech signal associated with the local central office which is issued from a time division multiplex access timing control section 6. Afterwards, when terminating the recording, the control section 11 confers a control signal for ending a recording on the recording/reproducing section 10 which in turn stops recording the speech signal in accordance with the control signal. Through the above procedures an ordinary calling state is restored.

Facts

Application

08/226,090Filed 11 Apr 1994

Priority

JP 5-2211056 Sep 1993

Granted

20 May 1997

Term ended

20 May 2014

Estimated · how

Pre-1995 term; greater of 17 years from grant or 20 years from filing when eligible. Maintenance-fee lapses, terminal disclaimers and statutory extensions have not been checked. The continuity chain may be incomplete; this is not an enforceability determination.

Classification4 codes

H04M 1/6505
Recording arrangements for recording a message from the calling party: storing speech in digital form
H04M 1/656
Recording arrangements for recording a message from the calling party: for recording conversations
H04M 1/724
Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection: user interfaces…
H04M
Telephonic communication

Mobile communication apparatus having recording/reproducing function

Life of this patent

Mobile communication apparatus having recording/reproducing function

Life of this patent

Life of this patent

Abstract

Drawings

Drawings

Claims15

Description8,465 words

Drawings

Classification4 codes

Life of this patent

Description8,465 words