IT1139545B - Circuito di deenfasi per audiofrequenze - Google Patents

Circuito di deenfasi per audiofrequenze

Info

Publication number
IT1139545B
IT1139545B IT24493/81A IT2449381A IT1139545B IT 1139545 B IT1139545 B IT 1139545B IT 24493/81 A IT24493/81 A IT 24493/81A IT 2449381 A IT2449381 A IT 2449381A IT 1139545 B IT1139545 B IT 1139545B
Authority
IT
Italy
Prior art keywords
deephase
audiofrequency
circuit
deephase circuit
audiofrequency deephase
Prior art date
Application number
IT24493/81A
Other languages
English (en)
Other versions
IT8124493A0 (it
Inventor
James Courtland Marsh Jr
Marcus Lloyd Snell Jr
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 IT8124493A0 publication Critical patent/IT8124493A0/it
Application granted granted Critical
Publication of IT1139545B publication Critical patent/IT1139545B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/62—Details 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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
IT24493/81A 1980-10-29 1981-10-14 Circuito di deenfasi per audiofrequenze IT1139545B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/201,829 US4335470A (en) 1980-10-29 1980-10-29 Audio de-emphasis circuit

Publications (2)

Publication Number Publication Date
IT8124493A0 IT8124493A0 (it) 1981-10-14
IT1139545B true IT1139545B (it) 1986-09-24

Family

ID=22747481

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24493/81A IT1139545B (it) 1980-10-29 1981-10-14 Circuito di deenfasi per audiofrequenze

Country Status (7)

Country Link
US (1) US4335470A (it)
JP (1) JPS57104334A (it)
KR (1) KR880000425B1 (it)
DE (1) DE3143020C2 (it)
FR (1) FR2493079B1 (it)
GB (1) GB2086697B (it)
IT (1) IT1139545B (it)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2299388A (en) * 1940-11-23 1942-10-20 Rca Corp Radio communication system
US2617923A (en) * 1949-08-31 1952-11-11 Kxok Inc Radio broadcasting system with selective program elimination
NL111633C (it) * 1962-08-24 1965-08-16
US3339026A (en) * 1965-06-01 1967-08-29 Gen Electric De-emphasis network for fm radios
US3988541A (en) * 1975-01-14 1976-10-26 Iowa State University Research Foundation, Inc. Method and apparatus for frequency compensation of electro-mechanical transducer
US4198540A (en) * 1976-05-24 1980-04-15 Cizek Audio Systems, Inc. Compensated crossover network
GB2044587A (en) * 1979-03-14 1980-10-15 Rca Corp Preemphasis and clipping apparatus for reducing distortions
US4282402A (en) * 1979-04-23 1981-08-04 Liontonia Harry D Design of crossover network for high fidelity speaker system

Also Published As

Publication number Publication date
IT8124493A0 (it) 1981-10-14
KR880000425B1 (ko) 1988-03-22
FR2493079B1 (fr) 1986-05-16
GB2086697A (en) 1982-05-12
KR830008567A (ko) 1983-12-10
JPS6236410B2 (it) 1987-08-06
FR2493079A1 (fr) 1982-04-30
DE3143020C2 (de) 1986-04-17
JPS57104334A (en) 1982-06-29
GB2086697B (en) 1984-11-28
DE3143020A1 (de) 1982-06-03
US4335470A (en) 1982-06-15

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951031