ES178257A1 - Mejoras en sistemas receptores - Google Patents
Mejoras en sistemas receptoresInfo
- Publication number
- ES178257A1 ES178257A1 ES0178257A ES178257A ES178257A1 ES 178257 A1 ES178257 A1 ES 178257A1 ES 0178257 A ES0178257 A ES 0178257A ES 178257 A ES178257 A ES 178257A ES 178257 A1 ES178257 A1 ES 178257A1
- Authority
- ES
- Spain
- Prior art keywords
- pulses
- circuit
- chosen
- impulses
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
- G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses
-
- 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
-
- 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
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/04—Distributors combined with modulators or demodulators
- H04J3/042—Distributors with electron or gas discharge tubes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manipulation Of Pulses (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Selective Calling Equipment (AREA)
Abstract
En un sistema receptor para recibir una via apetecida de entre varias vias de impulsos en las que los impulsos vayan entrelazados en sucesión de suerte de formar una sola serie de impulsos de vías múltiples y en que los impulsos de una de las vías tengan con objeto de identificarles y emplearlos como impulsos de puesta en sincronismo una característica que los distinga de los demás impulsos de las vías y en que los impulsos de por lo menos la escogida de dichas vías sean impulsos de señal modulados en tiempo un circuito ajustable cuyo efecto útil pueda variar entre dos niveles y que una vez que se haya hecho pasar de un nivel al otro se preste para ser devuelto a dicho primer nivel después de transcurrido un intervalo escogido que en esencia sea igual al máximo que medie entre un impulse de puesta en sincronismo y el correlacionado de los impulsos de señal de la via escogida prestándose también dicho circuito para ser restaurado más de prisa a su nivel primitivo mediante un impulso aplicado correctamente el cual se produzca después de haber pasado predeterminado espacio mínimo de tiempo una vez haya sido disparado ya dicho circuito espacio que a su vez se escoja de suerte que equivalga al intervalo mínimo entre un impulso de puesta en sincronismo y el correlacionado de los impulsos de señal de la vía escogida; el medio de aplicarlo a dicho circuito para que le disparen les impulsos de puesta en sincronismo; el medio de aplicarle a dicho circuito los demás impulsos de dichas vías de manera que cada uno de ellos tienda a restaurarlo a la normal y medios de utilización que reaccionen al tiempo en que dicho circuito permanezca en dicho otro nivel.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US651652A US2426205A (en) | 1946-03-02 | 1946-03-02 | Pulse selecting circuit for multiplex systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ES178257A1 true ES178257A1 (es) | 1947-07-16 |
Family
ID=24613671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0178257A Expired ES178257A1 (es) | 1946-03-02 | 1947-05-30 | Mejoras en sistemas receptores |
Country Status (7)
Country | Link |
---|---|
US (1) | US2426205A (es) |
BE (1) | BE474955A (es) |
CH (1) | CH275028A (es) |
ES (1) | ES178257A1 (es) |
FR (4) | FR57642E (es) |
GB (1) | GB624542A (es) |
NL (1) | NL77425C (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899552A (en) * | 1959-08-11 | X e electric pulse generating apparatus | ||
US2589240A (en) * | 1945-04-07 | 1952-03-18 | William E Frye | Double pulse generator |
US2567203A (en) * | 1946-02-05 | 1951-09-11 | Marcel J E Golay | Multiplex communication system utilizing successive, different pulse modulation techniques |
US2499844A (en) * | 1947-01-16 | 1950-03-07 | Philco Corp | Receiver for pulse-position-modulation systems |
US2524708A (en) * | 1947-02-06 | 1950-10-03 | Gen Electric Co Ltd | Pulse multiplex receiving system |
US2553752A (en) * | 1947-04-15 | 1951-05-22 | Bell Telephone Labor Inc | Combined multivibrator and sweep circuit |
US2589617A (en) * | 1947-07-07 | 1952-03-18 | Alfred C Kowalski | Pulse amplitude modulation communication system |
US2639385A (en) * | 1947-09-05 | 1953-05-19 | Bell Telephone Labor Inc | Alternating wave generator |
US2516867A (en) * | 1948-06-12 | 1950-08-01 | F A R Liquidating Corp | Stabilized one-shot multivibrator |
US2984833A (en) * | 1948-12-16 | 1961-05-16 | Robert T Nieset | Super-regenerative radio ranging device |
US2529172A (en) * | 1948-12-30 | 1950-11-07 | Gen Electric | Pulse discriminating circuits |
US2722601A (en) * | 1949-08-01 | 1955-11-01 | Electronique & Automatisme Sa | Electric impulse counting chains |
US2866894A (en) * | 1952-09-02 | 1958-12-30 | Ericsson Telefon Ab L M | Device for demodulating duration modulated pulses |
US2891148A (en) * | 1953-09-01 | 1959-06-16 | Rca Corp | Multivibrator with cathode stabilized by a capacitor |
US2911595A (en) * | 1955-06-14 | 1959-11-03 | Gen Electric | Relaxation oscillators and control method therefor |
US2898478A (en) * | 1957-03-21 | 1959-08-04 | Bendix Aviat Corp | Reduction of multivibrator recovery time |
DE2545891C2 (de) * | 1975-10-14 | 1984-04-26 | Efka-Werke Fritz Kiehn Gmbh, 7218 Trossingen | Schacht-Abfüllvorrichtung für Filterzigaretten-Hülsen |
US6935504B2 (en) | 2002-10-18 | 2005-08-30 | Smurfit-Stone Container Enterprises, Inc. | Passive interlock structure |
-
0
- NL NL77425D patent/NL77425C/xx active
- BE BE474955D patent/BE474955A/xx unknown
- FR FR954530D patent/FR954530A/fr not_active Expired
-
1946
- 1946-03-02 US US651652A patent/US2426205A/en not_active Expired - Lifetime
-
1947
- 1947-05-30 ES ES0178257A patent/ES178257A1/es not_active Expired
- 1947-06-02 CH CH275028D patent/CH275028A/fr unknown
- 1947-06-06 GB GB14993/47A patent/GB624542A/en not_active Expired
- 1947-08-07 FR FR57642D patent/FR57642E/fr not_active Expired
- 1947-08-07 FR FR57771D patent/FR57771E/fr not_active Expired
- 1947-08-07 FR FR57904D patent/FR57904E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR57904E (fr) | 1953-09-18 |
NL77425C (es) | |
US2426205A (en) | 1947-08-26 |
BE474955A (es) | |
GB624542A (en) | 1949-06-10 |
FR57771E (fr) | 1953-09-09 |
FR57642E (fr) | 1953-03-17 |
CH275028A (fr) | 1951-04-30 |
FR954530A (es) | 1950-01-03 |
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