DK647489A - Fremgangsmaade og apparat til reduktion af nyttebaandbredden af et baandbegraenset signal ved kodning deraf samt fremgangsmaade og apparat til afkodning af det kodede baandbegraensede signal - Google Patents
Fremgangsmaade og apparat til reduktion af nyttebaandbredden af et baandbegraenset signal ved kodning deraf samt fremgangsmaade og apparat til afkodning af det kodede baandbegraensede signal Download PDFInfo
- Publication number
- DK647489A DK647489A DK647489A DK647489A DK647489A DK 647489 A DK647489 A DK 647489A DK 647489 A DK647489 A DK 647489A DK 647489 A DK647489 A DK 647489A DK 647489 A DK647489 A DK 647489A
- Authority
- DK
- Denmark
- Prior art keywords
- signal
- procedure
- limited signal
- reducing
- coding
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Saccharide Compounds (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3842831A DE3842831A1 (de) | 1988-12-20 | 1988-12-20 | Verfahren und vorrichtung zur reduzierung der nutzbandbreite eines bandbegrenzten signals durch kodieren desselben und verfahren und vorrichtung zum dekodieren des kodierten bandbegrenzten signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DK647489D0 DK647489D0 (da) | 1989-12-19 |
DK647489A true DK647489A (da) | 1990-06-21 |
Family
ID=6369599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK647489A DK647489A (da) | 1988-12-20 | 1989-12-19 | Fremgangsmaade og apparat til reduktion af nyttebaandbredden af et baandbegraenset signal ved kodning deraf samt fremgangsmaade og apparat til afkodning af det kodede baandbegraensede signal |
Country Status (7)
Country | Link |
---|---|
US (1) | US5020104A (fr) |
EP (1) | EP0374374B1 (fr) |
JP (1) | JP2957212B2 (fr) |
AT (1) | ATE116494T1 (fr) |
DE (2) | DE3842831A1 (fr) |
DK (1) | DK647489A (fr) |
FI (1) | FI895756A0 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5920842A (en) * | 1994-10-12 | 1999-07-06 | Pixel Instruments | Signal synchronization |
US6462679B1 (en) | 2000-07-19 | 2002-10-08 | Vdv Media Technologies, Inc. | Method and apparatus for modulating a signal |
JP2003078279A (ja) * | 2001-09-04 | 2003-03-14 | Konica Corp | プリント基板のシールド方法及びその方法を用いたプリント基板が装着された装置 |
US20030220801A1 (en) * | 2002-05-22 | 2003-11-27 | Spurrier Thomas E. | Audio compression method and apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH589390A5 (fr) * | 1975-08-19 | 1977-06-30 | Patelhold Patentverwertung | |
US4700360A (en) * | 1984-12-19 | 1987-10-13 | Extrema Systems International Corporation | Extrema coding digitizing signal processing method and apparatus |
JPS6345933A (ja) * | 1986-04-15 | 1988-02-26 | Nec Corp | 秘話装置 |
-
1988
- 1988-12-20 DE DE3842831A patent/DE3842831A1/de not_active Withdrawn
-
1989
- 1989-09-07 EP EP89116517A patent/EP0374374B1/fr not_active Expired - Lifetime
- 1989-09-07 DE DE58908835T patent/DE58908835D1/de not_active Expired - Fee Related
- 1989-09-07 AT AT89116517T patent/ATE116494T1/de not_active IP Right Cessation
- 1989-11-27 US US07/441,814 patent/US5020104A/en not_active Expired - Fee Related
- 1989-12-01 FI FI895756A patent/FI895756A0/fi not_active IP Right Cessation
- 1989-12-19 DK DK647489A patent/DK647489A/da not_active Application Discontinuation
- 1989-12-20 JP JP1330890A patent/JP2957212B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2957212B2 (ja) | 1999-10-04 |
DE3842831A1 (de) | 1990-06-21 |
EP0374374A2 (fr) | 1990-06-27 |
FI895756A0 (fi) | 1989-12-01 |
EP0374374A3 (fr) | 1992-03-18 |
US5020104A (en) | 1991-05-28 |
ATE116494T1 (de) | 1995-01-15 |
EP0374374B1 (fr) | 1994-12-28 |
DE58908835D1 (de) | 1995-02-09 |
DK647489D0 (da) | 1989-12-19 |
JPH02218228A (ja) | 1990-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |