CA447459A - Sound pick-up device - Google Patents

Sound pick-up device

Info

Publication number
CA447459A
CA447459A CA447459A CA447459DA CA447459A CA 447459 A CA447459 A CA 447459A CA 447459 A CA447459 A CA 447459A CA 447459D A CA447459D A CA 447459DA CA 447459 A CA447459 A CA 447459A
Authority
CA
Canada
Prior art keywords
sound pick
pick
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
CA447459A
Other languages
French (fr)
Inventor
Rettinger Michael
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA447459A publication Critical patent/CA447459A/en
Expired legal-status Critical Current

Links

CA447459A Sound pick-up device Expired CA447459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447459T

Publications (1)

Publication Number Publication Date
CA447459A true CA447459A (en) 1948-03-23

Family

ID=35565140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447459A Expired CA447459A (en) Sound pick-up device

Country Status (1)

Country Link
CA (1) CA447459A (en)

Similar Documents

Publication Publication Date Title
CA446956A (en) Amusement device
CA447459A (en) Sound pick-up device
CA452548A (en) Phonograph pick-up device
CA453181A (en) Phonograph pick-up device
CA447161A (en) Sound pickup apparatus
CA447611A (en) Acoustic device
CA447188A (en) Submarine signal device
CA451308A (en) Signal
CA446476A (en) Phonograph
CA445948A (en) Noise-making device
CA449492A (en) Sound recording apparatus
CA448986A (en) Suction-blower device
CA446744A (en) Vapour-electric device
CA449410A (en) Tonsorial device
CA450269A (en) Vapour-electric device
CA452007A (en) Vapour-electric device
CA446738A (en) Vapour-electric device
CA446742A (en) Vapour-electric device
CA447024A (en) Azimuth-indicating device
CA451521A (en) Piezo-electric device
CA451920A (en) Hum-less electrodynamic pickup
CA448247A (en) Locating device
CA450486A (en) Sound reproduction
AU137566B2 (en) Vibrating device
CA446197A (en) Submarine signal device