HK26288A - Interpolative encoder for subsriber line audio processing circuit apparatus - Google Patents
Interpolative encoder for subsriber line audio processing circuit apparatusInfo
- Publication number
- HK26288A HK26288A HK262/88A HK26288A HK26288A HK 26288 A HK26288 A HK 26288A HK 262/88 A HK262/88 A HK 262/88A HK 26288 A HK26288 A HK 26288A HK 26288 A HK26288 A HK 26288A
- Authority
- HK
- Hong Kong
- Prior art keywords
- processing circuit
- audio processing
- circuit apparatus
- line audio
- subsriber
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
- H03M3/042—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM] with adaptable step size, e.g. adaptive differential pulse code modulation [ADPCM]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Analogue/Digital Conversion (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1980/000752 WO1981003724A1 (en) | 1980-06-18 | 1980-06-18 | Interpolative encoder for subscriber line audio processing circuit apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
HK26288A true HK26288A (en) | 1988-04-22 |
Family
ID=22154394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK262/88A HK26288A (en) | 1980-06-18 | 1988-04-14 | Interpolative encoder for subsriber line audio processing circuit apparatus |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0054033B1 (da) |
JP (1) | JPS57500857A (da) |
AU (1) | AU544141B2 (da) |
BR (1) | BR8009086A (da) |
CA (1) | CA1166372A (da) |
DE (1) | DE3071023D1 (da) |
DK (1) | DK159704C (da) |
FR (1) | FR2485297A1 (da) |
HK (1) | HK26288A (da) |
NO (1) | NO156348C (da) |
WO (1) | WO1981003724A1 (da) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4351060A (en) * | 1980-10-23 | 1982-09-21 | International Telephone And Telegraph Corporation | Automatic, digitally synthesized matching line terminating impedance |
US4381561A (en) * | 1980-10-23 | 1983-04-26 | International Telephone And Telegraph Corporation | All digital LSI line circuit for analog lines |
US4377858A (en) * | 1980-10-23 | 1983-03-22 | International Telephone And Telegraph Corporation | Digital two-to-four wire converter for full duplex signals |
FR2524205B1 (fr) * | 1982-03-26 | 1985-10-04 | Socapex | Connecteur de micro-boitier ceramique a connexions perimetriques et systeme de connexion electrique et thermique utilisant un tel connecteur |
NO160750C (no) * | 1985-06-27 | 1989-05-24 | Norway Geophysical Co | Anordning for digital signalbehandling paa kontinuerlige bitstroemmer. |
US4825448A (en) * | 1986-08-07 | 1989-04-25 | International Mobile Machines Corporation | Subscriber unit for wireless digital telephone system |
US5187664A (en) * | 1990-11-27 | 1993-02-16 | Eaton-Kenway, Inc. | Proportional position-sensing system for an automatic guided vehicle |
US5281901A (en) | 1990-12-03 | 1994-01-25 | Eaton-Kenway, Inc. | Downward compatible AGV system and methods |
US5216605A (en) * | 1990-06-28 | 1993-06-01 | Eaton-Kenway, Inc. | Update marker system for navigation of an automatic guided vehicle |
US5175415A (en) * | 1990-11-27 | 1992-12-29 | Eaton-Kenway, Inc. | Combination drive-wheel mechanism and travel-sensor mechanism |
US5539646A (en) * | 1993-10-26 | 1996-07-23 | Hk Systems Inc. | Method and apparatus for an AGV inertial table having an angular rate sensor and a voltage controlled oscillator |
DE102005050307A1 (de) * | 2005-10-20 | 2007-04-26 | Rohde & Schwarz Gmbh & Co. Kg | Digitales Filter mit starrem Filterzustand während ungültiger Signalbereiche in einer digitalen Filterkaskade |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3241135A (en) * | 1963-03-04 | 1966-03-15 | Philco Corp | Aperiodic pulse code modulator or analog to digital converter |
US3314015A (en) * | 1963-09-16 | 1967-04-11 | Bell Telephone Labor Inc | Digitally synthesized artificial transfer networks |
DE2129383B2 (de) * | 1971-06-14 | 1973-04-26 | Krone Gmbh, 1000 Berlin | Pulscodemodulator mit knickkennlinien-amplitudenwandler |
US3789199A (en) * | 1972-05-01 | 1974-01-29 | Bell Telephone Labor Inc | Signal mode converter and processor |
US3790637A (en) * | 1972-05-04 | 1974-02-05 | American Cyanamid Co | Process for the manufacture of vanillin from sulfite waste liquor |
US3906400A (en) * | 1973-12-17 | 1975-09-16 | Adams Russell Co | Transfer function realization with one-bit coefficients |
-
1980
- 1980-06-18 JP JP81501224A patent/JPS57500857A/ja active Pending
- 1980-06-18 BR BR8009086A patent/BR8009086A/pt not_active IP Right Cessation
- 1980-06-18 AU AU70304/81A patent/AU544141B2/en not_active Ceased
- 1980-06-18 DE DE8181900872T patent/DE3071023D1/de not_active Expired
- 1980-06-18 EP EP81900872A patent/EP0054033B1/en not_active Expired
- 1980-06-18 WO PCT/US1980/000752 patent/WO1981003724A1/en active IP Right Grant
-
1981
- 1981-06-17 FR FR8111932A patent/FR2485297A1/fr active Granted
- 1981-06-17 CA CA000379946A patent/CA1166372A/en not_active Expired
-
1982
- 1982-02-17 DK DK070082A patent/DK159704C/da not_active IP Right Cessation
- 1982-02-18 NO NO82820512A patent/NO156348C/no unknown
-
1988
- 1988-04-14 HK HK262/88A patent/HK26288A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU7030481A (en) | 1982-01-07 |
NO820512L (no) | 1982-02-18 |
NO156348C (no) | 1987-09-02 |
BR8009086A (pt) | 1982-05-11 |
JPS57500857A (da) | 1982-05-13 |
EP0054033A1 (en) | 1982-06-23 |
EP0054033A4 (en) | 1982-12-09 |
DK159704B (da) | 1990-11-19 |
AU544141B2 (en) | 1985-05-16 |
EP0054033B1 (en) | 1985-08-21 |
FR2485297B1 (da) | 1984-01-20 |
NO156348B (no) | 1987-05-25 |
DK70082A (da) | 1982-02-17 |
DE3071023D1 (en) | 1985-09-26 |
WO1981003724A1 (en) | 1981-12-24 |
CA1166372A (en) | 1984-04-24 |
DK159704C (da) | 1991-04-15 |
FR2485297A1 (fr) | 1981-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |