NL91939C - - Google Patents
Info
- Publication number
- NL91939C NL91939C NL91939DA NL91939C NL 91939 C NL91939 C NL 91939C NL 91939D A NL91939D A NL 91939DA NL 91939 C NL91939 C NL 91939C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- 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
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/066—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using differential modulation with several bits [NDPCM]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL277843X | 1948-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL91939C true NL91939C (US07608600-20091027-C00054.png) |
Family
ID=19782187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL91939D NL91939C (US07608600-20091027-C00054.png) | 1948-10-04 |
Country Status (6)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE171634C1 (sv) * | 1951-05-10 | 1960-06-07 | Siemens Ag | Anrodning foer att medelst ampitudkvantisering uttrycka en elektrisk maetstorhet som en kod |
| US2722660A (en) * | 1952-04-29 | 1955-11-01 | Jr John P Jones | Pulse code modulation system |
| GB730028A (en) * | 1952-06-20 | 1955-05-18 | Elliott Brothers London Ltd | Improvements in or relating to electronic amplifying circuits |
| DE964613C (de) * | 1952-08-07 | 1957-05-23 | Int Standard Electric Corp | Impulsmodulator fuer ein Nachrichtenuebertragungssystem mit Pulsdifferentialmodulation |
| GB735252A (en) * | 1953-03-05 | 1955-08-17 | Gen Electric Co Ltd | Improvements in or relating to apparatus for comparing the instantaneous values of two voltages |
| DE1026358B (de) * | 1953-04-17 | 1958-03-20 | Siemens Ag | Einrichtung zum Codieren der Amplitudenwerte eines elektrischen Signals |
| US2769861A (en) * | 1953-10-21 | 1956-11-06 | Bell Telephone Labor Inc | Reduction of interference in pulse reception |
| US2868963A (en) * | 1954-08-20 | 1959-01-13 | Bell Telephone Labor Inc | Pulse probability modulation system |
| US5119190A (en) * | 1963-03-11 | 1992-06-02 | Lemelson Jerome H | Controlling systems and methods for scanning and inspecting images |
| US5283641A (en) * | 1954-12-24 | 1994-02-01 | Lemelson Jerome H | Apparatus and methods for automated analysis |
| US5249045A (en) * | 1954-12-24 | 1993-09-28 | Lemelson Jerome H | Apparatus and methods for automated observation of three-dimensional objects |
| US2874284A (en) * | 1955-04-28 | 1959-02-17 | Robert L Conger | Noise discriminator |
| US2907878A (en) * | 1955-12-12 | 1959-10-06 | Research Corp | Electronic interpolator |
| US3064198A (en) * | 1956-11-30 | 1962-11-13 | Hunting Survey Corp Ltd | Pulse time discriminating system using switched dual anode beam tube |
| US2882354A (en) * | 1957-02-21 | 1959-04-14 | Max J Ruderian | Direct coupled amplifier utilizing sampling method |
| US2990520A (en) * | 1959-11-19 | 1961-06-27 | Jr Ernest E Courchene | Delta modulation system |
| US3091664A (en) * | 1961-04-24 | 1963-05-28 | Gen Dynamics Corp | Delta modulator for a time division multiplex system |
| NL109514C (US07608600-20091027-C00054.png) * | 1961-07-03 | |||
| NL267338A (US07608600-20091027-C00054.png) * | 1961-07-20 | |||
| US3191065A (en) * | 1962-10-03 | 1965-06-22 | Hewlett Packard Co | Sampling circuit |
| US5119205A (en) * | 1963-03-11 | 1992-06-02 | Lemelson Jerome H | Methods and apparatus for scanning and analyzing selected images areas |
| FR1363295A (fr) * | 1963-04-26 | 1964-06-12 | Trt Telecom Radio Electr | Perfectionnements à certains systèmes radiotéléphoniques à adresse discrète et à accès au hasard |
| US3500205A (en) * | 1966-06-14 | 1970-03-10 | Gen Electric Co Ltd | Communication systems employing code modulation |
| US3571758A (en) * | 1967-05-12 | 1971-03-23 | Westinghouse Electric Corp | Method and apparatus for adaptive delta modulation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2013671A (en) * | 1930-11-26 | 1935-09-10 | Printel Comm Systems Inc | Electrical system and apparatus for transmitting intelligence |
| US2114255A (en) * | 1934-04-28 | 1938-04-12 | Gen Railway Signal Co | Centralizing traffic controlling system for railroads |
| US2207744A (en) * | 1935-12-31 | 1940-07-16 | Teletype Corp | Coding mechanism |
| US2139655A (en) * | 1937-01-28 | 1938-12-13 | Harry R Allensworth | Selector-translator |
| US2438908A (en) * | 1945-05-10 | 1948-04-06 | Bell Telephone Labor Inc | Pulse code modulation communication system |
| BE473323A (US07608600-20091027-C00054.png) * | 1945-07-09 | 1900-01-01 | ||
| BE482963A (US07608600-20091027-C00054.png) * | 1947-09-23 | 1900-01-01 | ||
| US2516587A (en) * | 1947-12-03 | 1950-07-25 | Bell Telephone Labor Inc | Correction of errors in pulse code communication |
| US2510054A (en) * | 1948-01-20 | 1950-06-06 | Int Standard Electric Corp | Pulse code communication system |
| NL81967C (US07608600-20091027-C00054.png) * | 1948-03-16 | |||
| US2505029A (en) * | 1949-02-09 | 1950-04-25 | Bell Telephone Labor Inc | Decoder for pulse code modulation |
-
0
- NL NL91939D patent/NL91939C/xx active
- BE BE491489D patent/BE491489A/xx unknown
-
1949
- 1949-02-10 US US75663A patent/US2662113A/en not_active Expired - Lifetime
- 1949-04-05 DE DEP38849A patent/DE926917C/de not_active Expired
- 1949-09-30 GB GB25170/49A patent/GB662611A/en not_active Expired
- 1949-10-03 CH CH277843D patent/CH277843A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE491489A (US07608600-20091027-C00054.png) | |
| DE926917C (de) | 1955-04-25 |
| GB662611A (en) | 1951-12-05 |
| CH277843A (de) | 1951-09-15 |
| US2662113A (en) | 1953-12-08 |
