IT1074435B - MORE NOISE SUPPRESSOR IN SPECIES FOR ELECTRONIC ECHO DEVICES - Google Patents

MORE NOISE SUPPRESSOR IN SPECIES FOR ELECTRONIC ECHO DEVICES

Info

Publication number
IT1074435B
IT1074435B IT2740376A IT2740376A IT1074435B IT 1074435 B IT1074435 B IT 1074435B IT 2740376 A IT2740376 A IT 2740376A IT 2740376 A IT2740376 A IT 2740376A IT 1074435 B IT1074435 B IT 1074435B
Authority
IT
Italy
Prior art keywords
species
noise suppressor
echo devices
electronic echo
electronic
Prior art date
Application number
IT2740376A
Other languages
Italian (it)
Original Assignee
Novanex Automation 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.)
Filing date
Publication date
Application filed by Novanex Automation Nv filed Critical Novanex Automation Nv
Application granted granted Critical
Publication of IT1074435B publication Critical patent/IT1074435B/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/12—Arrangements for producing a reverberation or echo sound using electronic time-delay networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/341—Muting when no signals or only weak signals are present

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
IT2740376A 1975-09-18 1976-09-20 MORE NOISE SUPPRESSOR IN SPECIES FOR ELECTRONIC ECHO DEVICES IT1074435B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7511000A NL7511000A (en) 1975-09-18 1975-09-18 NOISE REDUCER, MORE PARTICULARLY FOR AN ELECTRONIC ECHO DEVICE.

Publications (1)

Publication Number Publication Date
IT1074435B true IT1074435B (en) 1985-04-20

Family

ID=19824493

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2740376A IT1074435B (en) 1975-09-18 1976-09-20 MORE NOISE SUPPRESSOR IN SPECIES FOR ELECTRONIC ECHO DEVICES

Country Status (5)

Country Link
DE (1) DE2642000A1 (en)
FR (1) FR2325136A1 (en)
GB (1) GB1533761A (en)
IT (1) IT1074435B (en)
NL (1) NL7511000A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133493A (en) * 1981-02-13 1982-08-18 Sony Corp Spring type reverberation adding apparatus
GB2154107B (en) * 1984-02-10 1987-10-14 Peter William Barnett Acoustic systems
GB8403509D0 (en) * 1984-02-10 1984-03-14 Barnett P W Acoustic systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1302904A (en) * 1956-06-15 1962-09-07 Nyegaard & Co As Process for preparing an enriched liver extract
NL145420B (en) * 1969-10-25 1975-03-17 Philips Nv CIRCUIT FOR SUPPRESSING TROUBLE IN AN FM RADIO RECEIVER.
DE2360983B2 (en) * 1973-12-07 1979-07-05 Deutsche Itt Industries Gmbh, 7800 Freiburg Reverberation facility

Also Published As

Publication number Publication date
DE2642000A1 (en) 1977-03-24
FR2325136A1 (en) 1977-04-15
GB1533761A (en) 1978-11-29
NL7511000A (en) 1977-03-22

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