SE305674B - - Google Patents
Info
- Publication number
- SE305674B SE305674B SE662/68A SE66268A SE305674B SE 305674 B SE305674 B SE 305674B SE 662/68 A SE662/68 A SE 662/68A SE 66268 A SE66268 A SE 66268A SE 305674 B SE305674 B SE 305674B
- Authority
- SE
- Sweden
- Prior art keywords
- outputs
- tree network
- analog signal
- subrange
- arrangement
- Prior art date
Links
Classifications
-
- 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
- H04B14/046—Systems or methods for reducing noise or bandwidth
- H04B14/048—Non linear compression or expansion
-
- 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
- H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
- H03M1/44—Sequential comparisons in series-connected stages with change in value of analogue signal
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Amplitude Modulation (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE662/68A SE305674B (it) | 1968-01-18 | 1968-01-18 | |
US787957A US3638124A (en) | 1968-01-18 | 1968-12-30 | Apparatus utilizing a tree network for companding and coding an analog signal in a pcm system |
FR1604183D FR1604183A (it) | 1968-01-18 | 1968-12-30 | |
DE19691901717 DE1901717A1 (de) | 1968-01-18 | 1969-01-10 | Schaltung zum Zusammendraengen und Kodieren eines Analogsignals in einer Impulsmodulationseinrichtung |
GB1251604D GB1251604A (it) | 1968-01-18 | 1969-01-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE662/68A SE305674B (it) | 1968-01-18 | 1968-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE305674B true SE305674B (it) | 1968-11-04 |
Family
ID=20256914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE662/68A SE305674B (it) | 1968-01-18 | 1968-01-18 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3638124A (it) |
DE (1) | DE1901717A1 (it) |
FR (1) | FR1604183A (it) |
GB (1) | GB1251604A (it) |
SE (1) | SE305674B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1012614A (en) * | 1974-09-30 | 1977-06-21 | Kamilo Feher | Timing technique for nrz data signals |
NL7609608A (nl) * | 1976-08-30 | 1978-03-02 | Philips Nv | Analoog-digitaal omzetter. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE532144A (it) * | 1953-09-28 | |||
US2897275A (en) * | 1955-05-16 | 1959-07-28 | Bell Telephone Labor Inc | Delta modulation compander |
US3151296A (en) * | 1962-12-13 | 1964-09-29 | Douglas L Phyfe | Method and system for transmission of companded pulse code modulated information |
US3461244A (en) * | 1966-08-16 | 1969-08-12 | Bell Telephone Labor Inc | Delta modulation system with continuously variable compander |
-
1968
- 1968-01-18 SE SE662/68A patent/SE305674B/xx unknown
- 1968-12-30 US US787957A patent/US3638124A/en not_active Expired - Lifetime
- 1968-12-30 FR FR1604183D patent/FR1604183A/fr not_active Expired
-
1969
- 1969-01-10 DE DE19691901717 patent/DE1901717A1/de active Pending
- 1969-01-20 GB GB1251604D patent/GB1251604A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3638124A (en) | 1972-01-25 |
GB1251604A (it) | 1971-10-27 |
DE1901717A1 (de) | 1969-09-18 |
FR1604183A (it) | 1971-07-26 |
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