GB1491664A - Frequency converters - Google Patents

Frequency converters

Info

Publication number
GB1491664A
GB1491664A GB24188/76A GB2418876A GB1491664A GB 1491664 A GB1491664 A GB 1491664A GB 24188/76 A GB24188/76 A GB 24188/76A GB 2418876 A GB2418876 A GB 2418876A GB 1491664 A GB1491664 A GB 1491664A
Authority
GB
United Kingdom
Prior art keywords
frequency
carrier
control
direct current
converter
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
GB24188/76A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens Corp
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
Priority claimed from DE19752534285 external-priority patent/DE2534285C2/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1491664A publication Critical patent/GB1491664A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/16Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplitude Modulation (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB24188/76A 1975-07-31 1976-06-11 Frequency converters Expired GB1491664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752534285 DE2534285C2 (de) 1975-07-31 Frequenzumsetzer für Trä gerfrequenz-Ubertragungseinrichtungen

Publications (1)

Publication Number Publication Date
GB1491664A true GB1491664A (en) 1977-11-09

Family

ID=5952936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24188/76A Expired GB1491664A (en) 1975-07-31 1976-06-11 Frequency converters

Country Status (10)

Country Link
JP (1) JPS5813054B2 (enExample)
AU (1) AU505397B2 (enExample)
BE (1) BE844665A (enExample)
CH (1) CH610690A5 (enExample)
DK (1) DK304176A (enExample)
FR (1) FR2320011A1 (enExample)
GB (1) GB1491664A (enExample)
IT (1) IT1067061B (enExample)
NL (1) NL7608542A (enExample)
SE (1) SE7608624L (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5663110U (enExample) * 1979-10-17 1981-05-27
JPS5981905A (ja) * 1982-11-02 1984-05-11 Matsushita Electric Ind Co Ltd Fm検波回路
JPS5981906A (ja) * 1982-11-02 1984-05-11 Matsushita Electric Ind Co Ltd 周波数変換回路

Also Published As

Publication number Publication date
CH610690A5 (en) 1979-04-30
JPS5813054B2 (ja) 1983-03-11
AU1531676A (en) 1978-01-05
FR2320011B1 (enExample) 1980-03-28
IT1067061B (it) 1985-03-12
JPS5218115A (en) 1977-02-10
DE2534285B1 (de) 1976-10-07
NL7608542A (nl) 1977-02-02
BE844665A (fr) 1976-11-16
AU505397B2 (en) 1979-11-22
SE7608624L (sv) 1977-02-01
DE2534285A1 (enExample) 1976-10-07
DK304176A (da) 1977-02-01
FR2320011A1 (fr) 1977-02-25

Similar Documents

Publication Publication Date Title
SE7705875L (sv) Flerkanalsystem
BE817332A (fr) Circuit d'entree haute frequence accordable destine a un recepteur de television
GB635476A (en) Improvements in distributor arrangements for multi-channel communication systems
GB1491664A (en) Frequency converters
ES212964A1 (es) Un sistema de sincronizacion
JPS52100929A (en) High-voltage protection circuit of tv receiver
JPS5331384B1 (enExample)
US2999129A (en) Telecommunication multiplexing system
JPS5228208A (en) Fm multiplex stereo demodulator circuit
GB1103450A (en) Channel supervisory system
GB1074824A (en) Improvements in and relating to the synchronising of periodic signals
GB1284562A (en) 31ycolour television synchronization
JPS5394755A (en) Frequency feedback type circuit
US2657269A (en) Electric pulse modulation system of communication
GB1284377A (en) Device for generating a plurality of sinusoidal oscillations in a carrier telephony system
JPS5247358A (en) Phase lock loop circuit
GB1317481A (en) Time division multiplex system for the transmission of signals by means of pulse code modulation
GB1543209A (en) Regeneration of carrier transmitted digital signals
JPS5428562A (en) Reproduction circuit for reference carrier wave
ES255238A1 (es) Dispositivo para convertir una senal de televisiën en colores
FR2294603A1 (fr) Systeme de couplage des sous-porteuses de chrominance modulees en frequence dans le procede de television en couleur secam
ES381430A1 (es) Procedimiento y dispositivo para encontrar automaticamente las averias en instalaciones para la multiplaxion decanales telefonicos a division de frecuencia.
GB1224182A (en) Improvements in the generation of electrical carrier signals for multiplex equipment
JPS5365007A (en) Transmission system for intermittent signal
GB557440A (en) Improvements in and relating to electric wave signalling

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee