NL72288C - - Google Patents
Info
- Publication number
- NL72288C NL72288C NL140566A NL140566A NL72288C NL 72288 C NL72288 C NL 72288C NL 140566 A NL140566 A NL 140566A NL 140566 A NL140566 A NL 140566A NL 72288 C NL72288 C NL 72288C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
- H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/60—Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
-
- 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
- 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
- H04B1/62—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 providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
-
- 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
- H04B14/062—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 delta modulation or one-bit differential modulation [1DPCM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Push-Button Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Electrotherapy Devices (AREA)
- Amplifiers (AREA)
- Particle Accelerators (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Manufacture Of Switches (AREA)
Priority Applications (18)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE489207D BE489207A (es) | 1948-05-22 | ||
| IT454494D IT454494A (es) | 1948-05-22 | ||
| IT454530D IT454530A (es) | 1948-05-22 | ||
| BE489190D BE489190A (es) | 1948-05-22 | ||
| NL140566A NL72288C (es) | 1948-05-22 | 1948-05-22 | |
| NL140584A NL96166C (es) | 1948-05-22 | 1948-05-22 | |
| US75664A US2662118A (en) | 1948-05-22 | 1949-02-10 | Pulse modulation system for transmitting the change in the applied wave-form |
| DEP39622A DE856905C (de) | 1948-05-22 | 1949-04-12 | Schalter mit wenigstens einem beweglichen Kontaktorgan, insbesondere Waehler fuer selbsttaetige Fernsprechanlagen |
| US90436A US2611062A (en) | 1948-05-22 | 1949-04-29 | Switch |
| DEP43234A DE975976C (de) | 1948-05-22 | 1949-05-19 | Einrichtung zur UEbertragung von Signalen durch Impulskodemodulation und Empfaenger hierzu |
| GB13403/49A GB684318A (en) | 1948-05-22 | 1949-05-19 | Pulse-modulation communication systems and transmitters and receivers for use therein |
| GB13402/49A GB669361A (en) | 1948-05-22 | 1949-05-19 | Improvements in switches, more particularly selectors for automatic telephone systems |
| FR987157D FR987157A (fr) | 1948-05-22 | 1949-05-20 | Commutateur, en particulier sélecteur pour la téléphonie automatique |
| CH281911D CH281911A (de) | 1948-05-22 | 1949-05-20 | Impulsmodulations-Nachrichtenübertragungsanlage. |
| CH278416D CH278416A (de) | 1948-05-22 | 1949-05-20 | Schalter mit wenigstens einem beweglichen Kontaktorgan, das mit einer Anzahl in einer Reihe angeordneter, fester Kontaktorgane zusammenwirkt. |
| FR987156D FR987156A (fr) | 1948-05-22 | 1949-05-20 | Montage signalisateur |
| FR987238D FR987238A (fr) | 1948-05-22 | 1949-05-23 | Système de modulation d'impulsions ainsi qu'émetteurs et récepteurs utilisables dans ce système |
| NL140564A NL72267C (es) | 1948-05-22 | 1952-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL140566A NL72288C (es) | 1948-05-22 | 1948-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72288C true NL72288C (es) | 1952-06-15 |
Family
ID=19782210
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL140566A NL72288C (es) | 1948-05-22 | 1948-05-22 | |
| NL140584A NL96166C (es) | 1948-05-22 | 1948-05-22 | |
| NL140564A NL72267C (es) | 1948-05-22 | 1952-06-16 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL140584A NL96166C (es) | 1948-05-22 | 1948-05-22 | |
| NL140564A NL72267C (es) | 1948-05-22 | 1952-06-16 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US2662118A (es) |
| BE (2) | BE489207A (es) |
| CH (2) | CH278416A (es) |
| DE (2) | DE856905C (es) |
| FR (3) | FR987157A (es) |
| GB (2) | GB684318A (es) |
| IT (2) | IT454530A (es) |
| NL (3) | NL72288C (es) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744172A (en) * | 1949-12-06 | 1956-05-01 | Brite Lite Corp Of America | Electric control mechanism |
| US2784256A (en) * | 1951-01-25 | 1957-03-05 | Rca Corp | Bandwidth reduction system |
| US2862186A (en) * | 1952-08-07 | 1958-11-25 | Int Standard Electric Corp | Transmission of a derivative signal by pulse code |
| US2986007A (en) * | 1952-08-29 | 1961-05-30 | Texaco Inc | Underground storage |
| US2980765A (en) * | 1953-12-03 | 1961-04-18 | British Telecomm Res Ltd | Transmission of television signals |
| BE539738A (es) * | 1954-07-12 | |||
| US2840707A (en) * | 1955-03-07 | 1958-06-24 | Gilfillan Bros Inc | Fast-acting sampling circuit |
| NL100417C (es) * | 1955-03-11 | 1900-01-01 | ||
| US2897275A (en) * | 1955-05-16 | 1959-07-28 | Bell Telephone Labor Inc | Delta modulation compander |
| US2848567A (en) * | 1955-06-06 | 1958-08-19 | Daystrom Inc | Multipoint switch |
| US2817061A (en) * | 1955-06-07 | 1957-12-17 | Bell Telephone Labor Inc | Asymmetrical delta modulation system |
| US2959639A (en) * | 1956-03-05 | 1960-11-08 | Bell Telephone Labor Inc | Transmission at reduced bandwith |
| US2951990A (en) * | 1956-10-10 | 1960-09-06 | Sun Oil Co | Frequency selective circuits |
| BE562956A (es) * | 1956-12-05 | |||
| US2859408A (en) * | 1957-01-07 | 1958-11-04 | Holzer Johann | Binary pulse modulator |
| FR1181437A (fr) * | 1957-07-19 | 1959-06-15 | Constr Telephoniques | Perfectionnements aux procédés de transmission par code |
| NL267338A (es) * | 1961-07-20 | |||
| US3236947A (en) * | 1961-12-21 | 1966-02-22 | Ibm | Word code generator |
| NL289316A (es) * | 1963-02-21 | 1900-01-01 | ||
| US3461244A (en) * | 1966-08-16 | 1969-08-12 | Bell Telephone Labor Inc | Delta modulation system with continuously variable compander |
| GB1144549A (en) * | 1966-12-09 | 1969-03-05 | Matsushita Electric Ind Co Ltd | Pulse modulation system |
| FR2082740A5 (es) * | 1970-03-25 | 1971-12-10 | Trt Telecom Radio Electr | |
| JPS5329981B2 (es) * | 1971-10-29 | 1978-08-24 | ||
| NL7400760A (nl) * | 1974-01-21 | 1975-07-23 | Philips Nv | Transmissiesysteem voor pulssignalen van vaste klokfrequentie. |
| US4206316A (en) * | 1976-05-24 | 1980-06-03 | Hughes Aircraft Company | Transmitter-receiver system utilizing pulse position modulation and pulse compression |
Family Cites Families (15)
| 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 |
| NL88393C (es) * | 1937-06-18 | |||
| US2360063A (en) * | 1940-05-07 | 1944-10-10 | Western Electric Co | Composite article |
| US2298236A (en) * | 1940-08-03 | 1942-10-06 | Bell Telephone Labor Inc | Terminal bank |
| NL77660C (es) * | 1945-07-09 | 1900-01-01 | ||
| NL77430C (es) * | 1946-08-10 | |||
| FR935658A (fr) * | 1946-08-10 | 1948-06-28 | Materiel Telephonique | Modulation par impulsions |
| US2505039A (en) * | 1947-04-05 | 1950-04-25 | Hercules Powder Co Ltd | Cellulose derivative plastic composition |
| NL76030C (es) * | 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 |
| BE487905A (es) * | 1948-03-16 |
-
0
- BE BE489190D patent/BE489190A/xx unknown
- IT IT454494D patent/IT454494A/it unknown
- IT IT454530D patent/IT454530A/it unknown
- BE BE489207D patent/BE489207A/xx unknown
-
1948
- 1948-05-22 NL NL140566A patent/NL72288C/xx active
- 1948-05-22 NL NL140584A patent/NL96166C/xx active
-
1949
- 1949-02-10 US US75664A patent/US2662118A/en not_active Expired - Lifetime
- 1949-04-12 DE DEP39622A patent/DE856905C/de not_active Expired
- 1949-04-29 US US90436A patent/US2611062A/en not_active Expired - Lifetime
- 1949-05-19 GB GB13403/49A patent/GB684318A/en not_active Expired
- 1949-05-19 DE DEP43234A patent/DE975976C/de not_active Expired
- 1949-05-19 GB GB13402/49A patent/GB669361A/en not_active Expired
- 1949-05-20 FR FR987157D patent/FR987157A/fr not_active Expired
- 1949-05-20 CH CH278416D patent/CH278416A/de unknown
- 1949-05-20 CH CH281911D patent/CH281911A/de unknown
- 1949-05-20 FR FR987156D patent/FR987156A/fr not_active Expired
- 1949-05-23 FR FR987238D patent/FR987238A/fr not_active Expired
-
1952
- 1952-06-16 NL NL140564A patent/NL72267C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| FR987157A (fr) | 1951-08-09 |
| FR987238A (fr) | 1951-08-10 |
| CH278416A (de) | 1951-10-15 |
| IT454530A (es) | |
| DE856905C (de) | 1952-11-24 |
| IT454494A (es) | |
| NL72267C (es) | 1952-06-16 |
| US2662118A (en) | 1953-12-08 |
| GB684318A (en) | 1952-12-17 |
| BE489190A (es) | |
| US2611062A (en) | 1952-09-16 |
| DE975976C (de) | 1963-01-03 |
| BE489207A (es) | |
| FR987156A (fr) | 1951-08-09 |
| NL96166C (es) | 1958-07-15 |
| GB669361A (en) | 1952-04-02 |
| CH281911A (de) | 1952-03-31 |