CA577014A - Systeme attenuateur de compteur de niveau de son - Google Patents

Systeme attenuateur de compteur de niveau de son

Info

Publication number
CA577014A
CA577014A CA577014A CA577014DA CA577014A CA 577014 A CA577014 A CA 577014A CA 577014 A CA577014 A CA 577014A CA 577014D A CA577014D A CA 577014DA CA 577014 A CA577014 A CA 577014A
Authority
CA
Canada
Prior art keywords
level meter
sound level
attenuator system
attenuator
sound
Prior art date
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
CA577014A
Other languages
English (en)
Inventor
E. Allison Ralph
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.)
Patent Management Inc
Original Assignee
Patent Management Inc
Publication date
Application granted granted Critical
Publication of CA577014A publication Critical patent/CA577014A/fr
Expired legal-status Critical Current

Links

CA577014A Systeme attenuateur de compteur de niveau de son Expired CA577014A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA577014T

Publications (1)

Publication Number Publication Date
CA577014A true CA577014A (fr) 1959-06-02

Family

ID=35752873

Family Applications (1)

Application Number Title Priority Date Filing Date
CA577014A Expired CA577014A (fr) Systeme attenuateur de compteur de niveau de son

Country Status (1)

Country Link
CA (1) CA577014A (fr)

Similar Documents

Publication Publication Date Title
CA577014A (fr) Systeme attenuateur de compteur de niveau de son
CA575244A (fr) Systeme d'etouffement
CA572072A (fr) Systeme d'absorption de sons
CA585296A (fr) Attenuateur
CA575983A (fr) Attenuateur
CA584582A (fr) Systeme de mesurage
CA586453A (fr) Systeme de mesurage
AU254537B2 (en) Transducer system
CA577718A (fr) Systeme de signaux
CA544483A (fr) Systeme de projection de sons
CA585317A (fr) Compteur
CA575289A (fr) Systeme selectif de mesurage
AU235984B2 (en) Distance measuring system
CA569645A (fr) Systeme de mesurage de distance
AU6370760A (en) Transducer system
CA569135A (fr) Systemes de reference gyromagnetique
CA581989A (fr) Systeme de dictee
CA571078A (fr) Systeme de telephone
AU233484B2 (en) Flowmeter
CA588297A (en) Flowmeter
CA584614A (fr) Systeme melangeur de signaux
CA584947A (fr) Dispositif d'ajustage de signaux de reference de stratascope
CA586736A (fr) Dispositif d'amplication de signaux
CA583240A (fr) Systemes indicateurs
CA582865A (fr) Systeme de selection de composant de signal de chrominance