US5633891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable integrated satellite communications unit
Assignee: TRANSVIDEO ELECTRONICS Ltd
•
Filing: 1995-08-21
•
Granted: 1997-05-27
•
Expires: 2015-08-21
Abstract
Abstract A high speed teleconferencing apparatus and method, the apparatus including interface means for receiving a first analog signal and outputting a first digital signal, encoding means for encoding and compressing the first digital signal to produce a first compressed encoded signal, multiplexing/demultipexing means for receiving and splitting the first compressed encoded signal into at least two split compressed encoded signals, at least two converting means for receiving a respective one of the at least two split first compressed encoded signals and respectively producing at least two first synchronous signals, and at least two CCIT units for receiving a respective one of the at least tow synchronous signals and respectively outputting at least two high speed first synchronous signals to a high speed data link.
Inventors
- 👤 Mohammed S. Rebec
- 👤 Mihailo V. Rebec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:54
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/185; H04B7/1851; H04B7/18517; H04B7/18523; H04N; H04N7/00; H04N7/14; H04N7/141; H04N7/147; H04N7/15; H04N7/20; H04N7/142; H04N2007/145; Y; Y10; Y10S; Y10S370/00; Y10S370/916
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
179 words
A high speed teleconference station, comprising: interface means for receiving a first analog signal and outputting a first digital signal; encoding/compressing means for encoding and compressing said first digital signal to yield a first compressed encoded signal; multiplexing and demultiplexing means for receiving and splitting said first compressed encoded signal into two first compressed encoded signals and for receiving two second encoded compressed signals and outputting a combined second encoded compressed signal; dual converting means coupled to said multiplexing and demultiplexing means for receiving said two first compressed encoded signals and outputting two first synchronous signals and for receiving two second synchronous signals and outputting said two second encoded compressed signals; two CCIT units for receiving said two first synchronous signals and for outputting said two first synchronous signals to a high speed data link as well as for receiving said two second synchronous signals from the high speed data link; and decoding/decompressing means coupled to said dual converting means, said decoding/decompressing means for decoding and decompressing said combined second encoded compressed signal and outputting a second digital signal.
Claim 2
Dependent Claim
179 words
A high speed teleconference station, comprising: interface means for receiving a first analog signal and outputting a first digital signal; encoding/compressing means for encoding and compressing said first digital signal to yield a first compressed encoded signal; multiplexing and demultiplexing means for receiving and splitting said first compressed encoded signal into two first compressed encoded signals and for receiving two second encoded compressed signals and outputting a combined second encoded compressed signal; dual converting means coupled to said multiplexing and demultiplexing means for receiving said two first compressed encoded signals and outputting two first synchronous signals and for receiving two second synchronous signals and outputting said two second encoded compressed signals; two CCIT units for receiving said two first synchronous signals and for outputting said two first synchronous signals to a high speed data link as well as for receiving said two second synchronous signals from the high speed data link; and decoding/decompressing means coupled to said dual converting means, said decoding/decompressing means for decoding and decompressing said combined second encoded compressed signal and outputting a second digital signal.
Claim 3
Dependent Claim
150 words
A high speed teleconference station comprising: interface means for receiving a first analog signal and outputting a first digital signal; encoding/compressing means, coupled to said interface means, for encoding and compressing said first digital signal to produce a first compressed encoded signal; multiplexing/demultiplexing means, coupled to said encoding/compressing means, for receiving and splitting said first compressed encoded signal into at least two split first compressed encoded signals; at least two converting means, coupled to said multiplexing/demultiplexing means, for receiving a respective one of said at least two split first compressed encoded signals and respectively producing at least two first synchronous signals; and at least two CCIT units, each coupled to a respective one of said at least two converting means, for receiving a respective one of said at least two first synchronous signals and respectively outputting at least two high speed first synchronous signals to a high speed data link.
Claim 4
Dependent Claim
150 words
A high speed teleconference station comprising: interface means for receiving a first analog signal and outputting a first digital signal; encoding/compressing means, coupled to said interface means, for encoding and compressing said first digital signal to produce a first compressed encoded signal; multiplexing/demultiplexing means, coupled to said encoding/compressing means, for receiving and splitting said first compressed encoded signal into at least two split first compressed encoded signals; at least two converting means, coupled to said multiplexing/demultiplexing means, for receiving a respective one of said at least two split first compressed encoded signals and respectively producing at least two first synchronous signals; and at least two CCIT units, each coupled to a respective one of said at least two converting means, for receiving a respective one of said at least two first synchronous signals and respectively outputting at least two high speed first synchronous signals to a high speed data link.
Claim 5
Dependent Claim
38 words
The high speed teleconference station as claimed in claim 2, further comprising housing means for housing said interface means, said encoding/compressing means, said multiplexing/demultiplexing means, said at least two converting means, and said at least two CCIT units.
Claim 6
Dependent Claim
24 words
The high speed teleconference station as claimed in claim 3, further comprising a handle attached to said housing means for carrying said housing means.
Claim 7
Dependent Claim
17 words
The high speed teleconference station as claimed in claim 3, wherein said housing means is a suitcase.
Claim 8
Dependent Claim
26 words
The high speed teleconference station as claimed in claim 2, wherein said at least two converting means each include a protocol converter and an interface converter.
Claim 9
Dependent Claim
21 words
The high speed teleconference station as claimed in claim 6, wherein said interface converter is an RS-232 to V.35 interface converter.
Claim 10
Dependent Claim
18 words
The high speed teleconference station as claimed in claim 2, wherein said encoding/compressing means uses motion interpolation buffering.
Claim 11
Dependent Claim
22 words
The high speed teleconference station as claimed in claim 2, wherein said first analog signal is first audio and video for teleconferencing.
Claim 12
Dependent Claim
98 words
The high speed teleconference station as claimed in claim 2, wherein: said at least two CCIT units each receives a respective one of at least two high speed second synchronous signals from the high speed data link and respectively produces at least two second synchronous signals; said at least two converting means each receives a respective one of said at least two second synchronous signals and respectively produces at least two split second compressed encoded signals; and said multiplexing/demultiplexing means receives and combines said at least two split second compressed encoded signals into a second compressed encoded signal.
Claim 13
Dependent Claim
32 words
The high speed teleconference station as claimed in claim 10, further comprising decoding/decompressing means, coupled to said multiplexing/demultiplexing means, for receiving said second compressed encoded signal and producing a second digital signal.
Claim 14
Dependent Claim
25 words
The high speed teleconference station as claimed in claim 11, wherein said interface means receives said second digital signal and produces a second analog signal.
Claim 15
Dependent Claim
29 words
The high speed teleconference station as claimed in claim 12, further comprising a line doubling/enhancing means for receiving said second analog signal and producing an enhanced second analog signal.
Claim 16
Dependent Claim
41 words
The high speed teleconference station as claimed in claim 12, further comprising housing means for housing said interface means, said encoding/compressing means, said multiplexing/demultiplexing means, said at least two converting means, said at least two CCIT units, and said decoding/decompressing means.
Claim 17
Dependent Claim
24 words
The high speed teleconference station as claimed in claim 14, further comprising a handle attached to said housing means for carrying said housing means.
Claim 18
Dependent Claim
17 words
The high speed teleconference station as claimed in claim 14, wherein said housing means is a suitcase.
Claim 19
Dependent Claim
26 words
The high speed teleconference station as claimed in claim 12, wherein said at least two converting means each include a protocol converter and an interface converter.
Claim 20
Dependent Claim
21 words
The high speed teleconference station as claimed in claim 17, wherein said interface converter is an RS-232 to V.35 interface converter.
Claim 21
Dependent Claim
18 words
The high speed teleconference station as claimed in claim 12, wherein said encoding/compressing means uses motion interpolation buffering.
Claim 22
Dependent Claim
22 words
The high speed teleconference station as claimed in claim 12, wherein said second analog signal is second audio and video for teleconferencing.
Claim 23
Independent Claim
115 words
A method for transmitting teleconferencing information comprising the steps of: changing an analog signal to a digital signal using an interface; encoding and compressing said digital signal to produce a compressed encoded signal using an encoder/compressor; splitting said compressed encoded signal into at least two split compressed encoded signals using a demultiplexer; converting each of said at least two split compressed encoded signals into respective at least two synchronous signals using respective at least two converters; producing respective at least two high speed synchronous signals for said at least two synchronous signals using respective at least two CCIT devices; and transmitting said at least two high speed synchronous signals to a high speed data link.
Claim 24
Independent Claim
115 words
A method for transmitting teleconferencing information comprising the steps of: changing an analog signal to a digital signal using an interface; encoding and compressing said digital signal to produce a compressed encoded signal using an encoder/compressor; splitting said compressed encoded signal into at least two split compressed encoded signals using a demultiplexer; converting each of said at least two split compressed encoded signals into respective at least two synchronous signals using respective at least two converters; producing respective at least two high speed synchronous signals for said at least two synchronous signals using respective at least two CCIT devices; and transmitting said at least two high speed synchronous signals to a high speed data link.
Claim 25
Dependent Claim
22 words
The method for transmitting teleconferencing information as claimed in claim 21, wherein said step of converting includes changing from RS-232 to V.35.
Claim 26
Dependent Claim
22 words
The method for transmitting teleconferencing information as claimed in claim 21, wherein said step of encoding and compressing includes motion interpolation buffering.
Claim 27
Independent Claim
94 words
A method for receiving teleconferencing information comprising the steps of: receiving at least two high speed synchronous signals from a high speed data link; producing respective at least two synchronous signals from said at least two high speed synchronous signals; converting said at least two synchronous signals to respective at least two split compressed encoded signals; combining said at least two split compressed encoded signals into a compressed encoded signal using a multiplexer; decoding and decompressing said compressed encoded signal to produce a digital signal; and changing said digital signal to an analog signal.
Claim 28
Independent Claim
94 words
A method for receiving teleconferencing information comprising the steps of: receiving at least two high speed synchronous signals from a high speed data link; producing respective at least two synchronous signals from said at least two high speed synchronous signals; converting said at least two synchronous signals to respective at least two split compressed encoded signals; combining said at least two split compressed encoded signals into a compressed encoded signal using a multiplexer; decoding and decompressing said compressed encoded signal to produce a digital signal; and changing said digital signal to an analog signal.
Claim 29
Dependent Claim
22 words
The method for receiving teleconferencing information as claimed in claim 24, wherein said step of converting includes changing from V.35 to RS-232.
Claim 30
Dependent Claim
22 words
The method for receiving teleconferencing information as claimed in claim 24, wherein said step of decoding and decompressing includes motion interpolation buffering.
Claim 31
Independent Claim
247 words
A method for transmitting and receiving teleconferencing information comprising the steps of: changing a first analog signal to a first digital signal using an interface; encoding and compressing said first digital signal to produce a first compressed encoded signal using an encoder/compressor; splitting said first compressed encoded signal into at least two split first compressed encoded signals using a demultiplexer; converting each of said at least two split first compressed encoded signals into respective at least two first synchronous signals using respective at least two converters; producing respective at least two high speed first synchronous encoded signals into respective at least two first synchronous signals using respective at least two converters; producing respective at least two high speed first synchronous signals for said at least two first synchronous signals using respective at least two CCIT devices; transmitting said at least two high speed first synchronous signals to a high speed data link; receiving at least two high speed second synchronous signals from the high speed data link; producing respective at least two second synchronous signals from said at least two high speed second synchronous signals; converting said at least two second synchronous signals to respective at least two split second compressed encoded signals; combining said at least two split second compressed encoded signals into a second compressed encoded signal using a multiplexer; decoding and decompressing said second compressed encoded signal to produce a second digital signal; and changing said second digital signal to a second analog signal.
Claim 32
Independent Claim
247 words
A method for transmitting and receiving teleconferencing information comprising the steps of: changing a first analog signal to a first digital signal using an interface; encoding and compressing said first digital signal to produce a first compressed encoded signal using an encoder/compressor; splitting said first compressed encoded signal into at least two split first compressed encoded signals using a demultiplexer; converting each of said at least two split first compressed encoded signals into respective at least two first synchronous signals using respective at least two converters; producing respective at least two high speed first synchronous encoded signals into respective at least two first synchronous signals using respective at least two converters; producing respective at least two high speed first synchronous signals for said at least two first synchronous signals using respective at least two CCIT devices; transmitting said at least two high speed first synchronous signals to a high speed data link; receiving at least two high speed second synchronous signals from the high speed data link; producing respective at least two second synchronous signals from said at least two high speed second synchronous signals; converting said at least two second synchronous signals to respective at least two split second compressed encoded signals; combining said at least two split second compressed encoded signals into a second compressed encoded signal using a multiplexer; decoding and decompressing said second compressed encoded signal to produce a second digital signal; and changing said second digital signal to a second analog signal.
References Cited (Backward Citations)
US4544950A
Cited
US5315633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-05-26 | 2000-11-25 | 2001-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-05-26 | 2004-11-25 | 2005-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-05-26 | 2008-11-25 | 2009-05-27 | $7700.00 | Window Closed / Lapsed |