CH213823A - Elektrischer Apparat mit Vorrichtung zur Trennung zweier Frequenzen. - Google Patents

Elektrischer Apparat mit Vorrichtung zur Trennung zweier Frequenzen.

Info

Publication number
CH213823A
CH213823A CH213823DA CH213823A CH 213823 A CH213823 A CH 213823A CH 213823D A CH213823D A CH 213823DA CH 213823 A CH213823 A CH 213823A
Authority
CH
Switzerland
Prior art keywords
frequencies
separating
electrical apparatus
electrical
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
America Radio Corporation Of
Original Assignee
Rca 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
Application filed by Rca Corp filed Critical Rca Corp
Publication of CH213823A publication Critical patent/CH213823A/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00Networks using active elements
    • H03H11/02Multiple-port networks
    • H03H11/34Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
    • H03H11/342Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source particularly adapted for use in common antenna systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1638Special circuits to enhance selectivity of receivers not otherwise provided for
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/26Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Circuits Of Receivers In General (AREA)
CH213823D 1938-10-07 1939-10-06 Elektrischer Apparat mit Vorrichtung zur Trennung zweier Frequenzen. CH213823A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US233711A US2221104A (en) 1938-10-07 1938-10-07 Television receiver

Publications (1)

Publication Number Publication Date
CH213823A true CH213823A (de) 1941-03-15

Family

ID=22878391

Family Applications (1)

Application Number Title Priority Date Filing Date
CH213823D CH213823A (de) 1938-10-07 1939-10-06 Elektrischer Apparat mit Vorrichtung zur Trennung zweier Frequenzen.

Country Status (5)

Country Link
US (1) US2221104A (fr)
CH (1) CH213823A (fr)
FR (1) FR860593A (fr)
GB (1) GB615402A (fr)
NL (1) NL62094C (fr)

Also Published As

Publication number Publication date
US2221104A (en) 1940-11-12
NL62094C (fr)
GB615402A (en) 1949-01-05
FR860593A (fr) 1941-01-18

Similar Documents

Publication Publication Date Title
CH275950A (de) Vorrichtung zur Verstärkung hochfrequenter elektrischer Schwingungen.
CH214354A (de) Elektrischer Apparat.
CH213823A (de) Elektrischer Apparat mit Vorrichtung zur Trennung zweier Frequenzen.
CH205694A (de) Elektrischer Apparat.
CH211740A (de) Vorrichtung zur Rufübermittlung in Trägerfrequenzsystemen.
CH231804A (de) Vorrichtung zur Abtastung von Filmen.
GB530917A (en) Apparatus for producing high tension direct current
FR856241A (fr) Câbles électriques pour fréquences élevées
CH220441A (de) Einrichtung zur Auslösung von Vorgängen in Abhängigkeit von elektrischen Grössen.
AT182146B (de) Vorrichtung zur Überwachung des Druckes in einem ölgefüllten Kabel
CH208627A (de) Elektrischer Hochspannungsapparat.
CA377505A (fr) Appareil vibrateur electrique
CH256353A (de) Vorrichtung zur Rufübermittlung in einem Trägerfrequenzsystem.
IE15601L (en) Electrical testing apparatus
AU402716B2 (en) Electrical apparatus connecting means
CA377824A (fr) Appareil electrique de precipitation
CA377825A (fr) Appareil electrique de precipitation
CA376434A (fr) Appareil electrique de precipitation
DK63801C (da) Apparat til Vekselstrømstelegrafering med Frekvensfordobling.
CH226557A (de) Vorrichtung zur Frequenzvervielfachung.
CA383972A (fr) Appareil de chauffage electrique de liquides
AT156066B (de) Vorrichtung zur Umwandlung von Gleich- in Wechselstrom.
CA382936A (fr) Appareil electrique
CA378226A (fr) Appareil electrique
CA373807A (fr) Appareil electrique