DK140323C - - Google Patents

Info

Publication number
DK140323C
DK140323C DK604573A DK604573A DK140323C DK 140323 C DK140323 C DK 140323C DK 604573 A DK604573 A DK 604573A DK 604573 A DK604573 A DK 604573A DK 140323 C DK140323 C DK 140323C
Authority
DK
Denmark
Application number
DK604573A
Other languages
Danish (da)
Other versions
DK140323B (da
Inventor
H E Bjor
H Hognestad
Original Assignee
Nortronic A/S
Sentralinstitutt For Industriell Forskning
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 Nortronic A/S, Sentralinstitutt For Industriell Forskning filed Critical Nortronic A/S
Publication of DK140323B publication Critical patent/DK140323B/da
Application granted granted Critical
Publication of DK140323C publication Critical patent/DK140323C/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H7/00—Measuring reverberation time ; room acoustic measurements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK604573AA 1972-11-14 1973-11-08 Apparat til bestemmelse af efterklangstid på grundlag af en del af en efterklangsfunktion. DK140323B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO4132/72A NO135009C (el) 1972-11-14 1972-11-14

Publications (2)

Publication Number Publication Date
DK140323B DK140323B (da) 1979-07-30
DK140323C true DK140323C (el) 1979-12-17

Family

ID=19880092

Family Applications (1)

Application Number Title Priority Date Filing Date
DK604573AA DK140323B (da) 1972-11-14 1973-11-08 Apparat til bestemmelse af efterklangstid på grundlag af en del af en efterklangsfunktion.

Country Status (6)

Country Link
US (1) US3878382A (el)
JP (1) JPS507444A (el)
DE (1) DE2356638A1 (el)
DK (1) DK140323B (el)
GB (1) GB1449651A (el)
NO (1) NO135009C (el)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832791C3 (de) * 1978-07-26 1981-02-05 Polygram Gmbh, 2000 Hamburg Einrichtung zur Messung der Nachhallzeit einer Schallschwingung
US5665928A (en) * 1995-11-09 1997-09-09 Chromatic Research Method and apparatus for spline parameter transitions in sound synthesis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982914A (en) * 1955-04-25 1961-05-02 Mine Safety Appliances Co Noise meter
US3270833A (en) * 1964-12-10 1966-09-06 Bell Telephone Labor Inc Method of and apparatus for measuring ensemble averages and decay curves
US3549874A (en) * 1967-03-01 1970-12-22 Dranetz Eng Lab Inc Computer for simultaneous computation of a reference signal and an information signal until reference signal reaches a predetermined value
US3521046A (en) * 1968-02-06 1970-07-21 Lear Siegler Inc Analog computer circuit for multiplication or division
US3673400A (en) * 1969-06-09 1972-06-27 Nippon Denso Co Slip ratio calculating device

Also Published As

Publication number Publication date
DE2356638A1 (de) 1974-05-22
US3878382A (en) 1975-04-15
NO135009B (el) 1976-10-11
JPS507444A (el) 1975-01-25
GB1449651A (en) 1976-09-15
NO135009C (el) 1977-01-19
DK140323B (da) 1979-07-30

Similar Documents

Publication Publication Date Title
JPS4986198A (el)
DK140323C (el)
JPS4931618A (el)
JPS4916325U (el)
JPS48103973A (el)
JPS5218622Y2 (el)
JPS4896414A (el)
CS151834B1 (el)
JPS4956819U (el)
JPS49100895U (el)
CH585163A5 (el)
CH578838A5 (el)
BG18386A1 (el)
CH965672A4 (el)
CH606470A5 (el)
CH605725A5 (el)
CH594475A5 (el)
CH590827A5 (el)
CH589728A5 (el)
CH586759A5 (el)
CH585306B5 (el)
CH585228A5 (el)
BG18292A1 (el)
CH585157A5 (el)
CH581622A5 (el)