ES178083A1 - Mejoras en o relativas a disposiciones para modular ondas continuas - Google Patents

Mejoras en o relativas a disposiciones para modular ondas continuas

Info

Publication number
ES178083A1
ES178083A1 ES0178083A ES178083A ES178083A1 ES 178083 A1 ES178083 A1 ES 178083A1 ES 0178083 A ES0178083 A ES 0178083A ES 178083 A ES178083 A ES 178083A ES 178083 A1 ES178083 A1 ES 178083A1
Authority
ES
Spain
Prior art keywords
arrangements
relating
continuous waves
carrier waves
valve
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
Application number
ES0178083A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES178083A1 publication Critical patent/ES178083A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
ES0178083A 1945-01-15 1947-05-17 Mejoras en o relativas a disposiciones para modular ondas continuas Expired ES178083A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1217/45A GB584642A (en) 1945-01-15 1945-01-15 Improvements in or relating to arrangements for modulating continuous electric waves

Publications (1)

Publication Number Publication Date
ES178083A1 true ES178083A1 (es) 1947-07-01

Family

ID=9718164

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0178083A Expired ES178083A1 (es) 1945-01-15 1947-05-17 Mejoras en o relativas a disposiciones para modular ondas continuas

Country Status (5)

Country Link
US (1) US2498689A (xx)
BE (1) BE476631A (xx)
ES (1) ES178083A1 (xx)
FR (1) FR931018A (xx)
GB (1) GB584642A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022418A (en) * 1957-07-31 1962-02-20 Ca Nat Research Council Electronic control circuit
US3614667A (en) * 1964-03-19 1971-10-19 Itek Corp Switchable and modulatory crystal oscillator
DE10256944A1 (de) * 2002-12-05 2004-06-24 Enocean Gmbh Abgleichfreier HF-Oszillator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419292A (en) * 1947-04-22 System fob transmitting two
US1507016A (en) * 1915-09-23 1924-09-02 Forest Radio Telephone And Tel Radiosignaling system
US1948103A (en) * 1929-07-23 1934-02-20 Rca Corp Signaling
US2036078A (en) * 1935-04-13 1936-03-31 Bell Telephone Labor Inc Generator of interrupted wave
US2338395A (en) * 1940-06-25 1944-01-04 Gen Electric Signal transmission system
US2431179A (en) * 1942-10-03 1947-11-18 Rca Corp Multitube self-pulsing oscillator
US2435262A (en) * 1944-01-26 1948-02-03 Bell Telephone Labor Inc Self-modulated oscillator

Also Published As

Publication number Publication date
GB584642A (en) 1947-01-20
BE476631A (xx)
US2498689A (en) 1950-02-28
FR931018A (fr) 1948-02-11

Similar Documents

Publication Publication Date Title
ES177443A1 (es) Mejoras en sistemas para la demodulacion de ondas portadoras
ES182163A1 (es) Mejoras introducidas en filtros selestores de ondas
ES178083A1 (es) Mejoras en o relativas a disposiciones para modular ondas continuas
CH248550A (de) Vorrichtung zur Erzeugung von Bohrungen.
CH248981A (de) Schaltung zur Amplitudenmodulierung elektrischer Schwingungen.
ES179491A1 (es) Mejoras en generadores de oscilaciones
FR933105A (fr) Multiplicateur de fréquence utilisant la modulation de vitesse des électrons
CH250224A (de) Schaltungsanordnung zur Frequenzmodulation einer elektrischen Schwingung.
GB811294A (en) Improvements in or relating to modulating circuits
CH253844A (de) Schaltung zur Erzeugung einer phasenmodulierten Schwingung.
CH258470A (de) Schaltung zur Frequenzmodulation eines rückgekoppelten Röhrengenerators.
ES182266A1 (es) MEJORAS EN SISTEMAS DE COMUNICACIoN
CH268708A (de) Schaltung zur Erzeugung einer Hochfrequenzschwingung.
ES191744A1 (es) Perfeccionamientos en instalaciones para bloquear la baja fecuencia en un receptor de oscilaciones moduladas en frecuencia
AU289241B2 (en) Circuit for generating an amplitude modulated high frequency oscillation of large output with high efficiency
CA492671A (en) Circuit arrangements for generating frequency modulated oscillations
DK69580C (da) Generator til frembringelse af højfrekvente impulser af bestemt varighed.
ES182102A1 (es) UN MONTAJE PARA ENGENDRAR CIERTO NuMERO DE ONDAS PORTADORAS VECINAS
AU4999264A (en) Circuit for generating an amplitude modulated high frequency oscillation of large output with high efficiency
ES181088A1 (es) Un generador de impulsos
DK78971C (da) Kobling til frembringelse af en elektrisk svingning, hvis amplitude og frekvens er afhængige af amplituden og frekvensen af en indgangssvingning.
ES180308A1 (es) Mejoras en o relacionadas con generadores de oscilaciones electricas o amplificadores
CH270708A (fr) Oscillateur modulé en fréquence.
CH248978A (de) Einrichtung zur Frequenzmodulation eines Mikrowellengenerators.
ES177855A1 (es) Mejoras en o relativas a circuitos cambiadores de frecuencia