IT943134B - Modulatore delta ad adattamento discontinuo - Google Patents
Modulatore delta ad adattamento discontinuoInfo
- Publication number
- IT943134B IT943134B IT70934/71A IT7093471A IT943134B IT 943134 B IT943134 B IT 943134B IT 70934/71 A IT70934/71 A IT 70934/71A IT 7093471 A IT7093471 A IT 7093471A IT 943134 B IT943134 B IT 943134B
- Authority
- IT
- Italy
- Prior art keywords
- delta modulator
- discontinuous
- adaptation
- discontinuous adaptation
- modulator
- 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
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
- H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9445870A | 1970-12-02 | 1970-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT943134B true IT943134B (it) | 1973-04-02 |
Family
ID=22245304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT70934/71A IT943134B (it) | 1970-12-02 | 1971-11-30 | Modulatore delta ad adattamento discontinuo |
Country Status (10)
Country | Link |
---|---|
US (1) | US3706944A (it) |
JP (1) | JPS5414467B1 (it) |
BE (1) | BE775961A (it) |
CA (1) | CA941507A (it) |
DE (1) | DE2159575C3 (it) |
FR (1) | FR2116474B1 (it) |
GB (1) | GB1355543A (it) |
IT (1) | IT943134B (it) |
NL (1) | NL7116378A (it) |
SE (1) | SE387797B (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5120148B1 (it) * | 1971-05-19 | 1976-06-23 | ||
US3806806A (en) * | 1972-11-20 | 1974-04-23 | Bell Telephone Labor Inc | Adaptive data modulator |
US3878465A (en) * | 1972-12-15 | 1975-04-15 | Univ Sherbrooke | Instantaneous adaptative delta modulation system |
US3827046A (en) * | 1973-04-25 | 1974-07-30 | Rockwell International Corp | Filtered duty cycle feedback analog to digital converter |
US3896399A (en) * | 1973-07-19 | 1975-07-22 | Motorola Inc | Loop filter for delta modulator |
US3890467A (en) * | 1973-11-01 | 1975-06-17 | Communications Satellite Corp | Digital voice switch for use with delta modulation |
JPS547525B2 (it) * | 1973-12-28 | 1979-04-07 | ||
US3922619A (en) * | 1974-01-28 | 1975-11-25 | Bell Telephone Labor Inc | Compressed differential pulse code modulator |
US4035724A (en) * | 1974-05-08 | 1977-07-12 | Universite De Sherbrooke | Digital converter from continuous variable slope delta modulation to pulse code modulation |
US3979676A (en) * | 1974-10-21 | 1976-09-07 | International Standard Electric Corporation | Delta modulation apparatus |
US4025852A (en) * | 1975-10-14 | 1977-05-24 | Bell Telephone Laboratories, Incorporated | Method and arrangement for controlling delta modulator idle-channel noise |
US4199722A (en) * | 1976-06-30 | 1980-04-22 | Israel Paz | Tri-state delta modulator |
CA1157109A (en) * | 1980-02-25 | 1983-11-15 | Marshall B. Borchert | Digital time base with coherent rate switching |
US4467291A (en) * | 1981-11-23 | 1984-08-21 | U.S. Philips Corporation | Delta modulator having optimized loop filter |
US4700362A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | A-D encoder and D-A decoder system |
GB2157516A (en) * | 1984-04-09 | 1985-10-23 | Mobil Oil Corp | Delta modulator |
GB2159674B (en) * | 1984-04-19 | 1987-09-09 | Motorola Israel Ltd | A delta modulator/demodulator |
GB8804811D0 (en) * | 1988-03-01 | 1988-03-30 | Shaye Communications Ltd | Waveform encoder/decoder |
US5124706A (en) * | 1989-09-15 | 1992-06-23 | Wavephore, Inc. | Analog to digital and digital to analog signal processors |
US5113189A (en) * | 1991-06-21 | 1992-05-12 | Motorola, Inc. | Frequency translating coherent analog to digital conversion system for modulated signals |
US5208595A (en) * | 1991-08-21 | 1993-05-04 | Wavephore, Inc. | Digitally controlled adaptive slew rate delta modulator |
US5727023A (en) * | 1992-10-27 | 1998-03-10 | Ericsson Inc. | Apparatus for and method of speech digitizing |
JPH09266447A (ja) * | 1996-03-28 | 1997-10-07 | Sony Corp | 語長変換装置及びデータ処理装置 |
US6563448B1 (en) | 2002-04-29 | 2003-05-13 | Texas Instruments Incorporated | Flexible sample rate converter for multimedia digital-to-analog conversion in a wireless telephone |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3273141A (en) * | 1963-03-19 | 1966-09-13 | Ball Brothers Res Corp | High speed analog-to-digital converter |
US3270335A (en) * | 1963-09-18 | 1966-08-30 | Ball Brothers Res Corp | High speed delta encoder |
US3497624A (en) * | 1966-08-16 | 1970-02-24 | Bell Telephone Labor Inc | Continuously compounded delta modulation |
US3461244A (en) * | 1966-08-16 | 1969-08-12 | Bell Telephone Labor Inc | Delta modulation system with continuously variable compander |
US3500441A (en) * | 1967-10-12 | 1970-03-10 | Bell Telephone Labor Inc | Delta modulation with discrete companding |
US3609551A (en) * | 1968-06-28 | 1971-09-28 | Bell Telephone Labor Inc | Discrete-continuous companding for a digital transmission system |
DE1960532A1 (de) * | 1968-12-06 | 1970-06-18 | Western Electric Co | Deltamodulationssystem |
JPS5438625B2 (it) * | 1972-06-20 | 1979-11-22 |
-
1970
- 1970-12-02 US US94458A patent/US3706944A/en not_active Expired - Lifetime
-
1971
- 1971-08-04 CA CA119,782A patent/CA941507A/en not_active Expired
- 1971-11-23 SE SE7114986A patent/SE387797B/xx unknown
- 1971-11-29 BE BE775961A patent/BE775961A/xx unknown
- 1971-11-29 NL NL7116378A patent/NL7116378A/xx not_active Application Discontinuation
- 1971-11-29 GB GB5527271A patent/GB1355543A/en not_active Expired
- 1971-11-30 IT IT70934/71A patent/IT943134B/it active
- 1971-12-01 FR FR717143144A patent/FR2116474B1/fr not_active Expired
- 1971-12-01 DE DE2159575A patent/DE2159575C3/de not_active Expired
- 1971-12-02 JP JP9684771A patent/JPS5414467B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2116474A1 (it) | 1972-07-13 |
DE2159575B2 (de) | 1980-12-04 |
SE387797B (sv) | 1976-09-13 |
DE2159575A1 (de) | 1972-06-15 |
GB1355543A (en) | 1974-06-05 |
DE2159575C3 (de) | 1981-07-23 |
BE775961A (fr) | 1972-03-16 |
FR2116474B1 (it) | 1974-06-21 |
CA941507A (en) | 1974-02-05 |
NL7116378A (it) | 1972-06-06 |
US3706944A (en) | 1972-12-19 |
JPS5414467B1 (it) | 1979-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT943134B (it) | Modulatore delta ad adattamento discontinuo | |
FI54914C (fi) | Foerfarande foer framstaellning av urea | |
FI54032B (fi) | Normeringsfoerfarande foer maetningsanordning foer bestaemning av kvadrat metervikt | |
AT313725B (de) | Felge | |
FI53903B (fi) | Kopplingsplint foer skruvfri anslutning av isolerade ledare | |
FI54244B (fi) | Matarvals foer matning av laongstraeckta kroppar i dessas laengdritning | |
BE766698A (fr) | Modulateur delta | |
CH557417A (de) | Klebemittel. | |
FI54900B (fi) | Toemningsanordning foer silo | |
SE388387B (sv) | Hjul | |
BE771313A (fr) | Horloge. | |
FI53521C (fi) | Roekdetektor foer optisk detektering av foerbraenningsalstrade aerosoler | |
BE773090A (fr) | Penicillines | |
BE764353A (fr) | Penicillines | |
FI53957B (fi) | I aendan av en vals- eller spolkaerna monterbar fastsaettningschuck | |
FI53839B (fi) | Foerfarande foer kalkning av djurskinn eller -hudar | |
CH546507A (fr) | Convertisseur statique. | |
BE767073A (fr) | Pallet | |
CH515072A (de) | Mikrospritze | |
AT335856B (de) | Modulator | |
FI53304C (fi) | Foerfarande foer framstaellning av des-fenylalanin b1-insulin | |
FI53842C (fi) | Foerfarande foer framstaellning av fiberprodukter | |
FI53450C (fi) | Foerfarande foer framstaellning av optiskt aktiva bicykliska foereningar | |
FI53689C (fi) | Transportanordning | |
DE2129464A1 (de) | Modulator |