CA426426A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA426426A
CA426426A CA426426A CA426426DA CA426426A CA 426426 A CA426426 A CA 426426A CA 426426 A CA426426 A CA 426426A CA 426426D A CA426426D A CA 426426DA CA 426426 A CA426426 A CA 426426A
Authority
CA
Canada
Prior art keywords
acoustic device
acoustic
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
CA426426A
Other languages
French (fr)
Inventor
Randall Harry William
Nelson Marshall Robert
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA426426A publication Critical patent/CA426426A/en
Expired legal-status Critical Current

Links

CA426426A Acoustic device Expired CA426426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA426426T

Publications (1)

Publication Number Publication Date
CA426426A true CA426426A (en) 1945-03-27

Family

ID=35537449

Family Applications (1)

Application Number Title Priority Date Filing Date
CA426426A Expired CA426426A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA426426A (en)

Similar Documents

Publication Publication Date Title
CA427102A (en) Acoustic device
CA426426A (en) Acoustic device
CA431094A (en) Acoustic device
CA428748A (en) Acoustic delay device
CA427103A (en) Electroacoustic device
CA427097A (en) Piezoelectric device
CA431095A (en) Piezoelectric device
CA428320A (en) Wire-transposing device
CA430859A (en) Airchute device
CA431200A (en) Vapour-electric device
AU127629B2 (en) Improved re-railing device
CA426734A (en) Sound translating device
CA426109A (en) Sound producing device
CA427122A (en) Microphone
CA430671A (en) Attaching device
CA430595A (en) Electro-magnetic device
CA432188A (en) Electro-magnetic device
CA431096A (en) Electroacoustic transducer
AU2382345A (en) Improved re-railing device
CA429716A (en) Fastening device
CA426596A (en) Fastening device
CA428301A (en) Fastening device
CA429714A (en) Fastening device
CA429715A (en) Fastening device
CA432180A (en) Fastening device