FR1412928A - Superheterodyne circuit - Google Patents

Superheterodyne circuit

Info

Publication number: FR1412928A
Authority: FR; France
Prior art keywords: superheterodyne circuit; superheterodyne; circuit
Prior art date: 1963-10-31
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

FR993387A

Other languages

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1963-10-31

Filing date

1964-10-30

Publication date

1965-10-01

1963-10-31 Priority claimed from DEP32890A external-priority patent/DE1191439B/en

1964-10-30 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1964-10-30 Priority to FR993387A priority Critical patent/FR1412928A/en

1965-10-01 Application granted granted Critical

1965-10-01 Publication of FR1412928A publication Critical patent/FR1412928A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/62—Intercarrier circuits, i.e. heterodyning sound and vision carriers

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Power Engineering (AREA)

FR993387A 1963-10-31 1964-10-30 Superheterodyne circuit Expired FR1412928A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR993387A FR1412928A (en)	1963-10-31	1964-10-30	Superheterodyne circuit

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEP32890A DE1191439B (en)	1963-10-31	1963-10-31	Circuit for overlay
FR993387A FR1412928A (en)	1963-10-31	1964-10-30	Superheterodyne circuit

Publications (1)

Publication Number	Publication Date
FR1412928A true FR1412928A (en)	1965-10-01

Family

ID=25990259

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR993387A Expired FR1412928A (en)	1963-10-31	1964-10-30	Superheterodyne circuit

Country Status (1)

Country	Link
FR (1)	FR1412928A (en)

1964
- 1964-10-30 FR FR993387A patent/FR1412928A/en not_active Expired

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