CH175397A - Sound pickup device. - Google Patents

Sound pickup device.

Info

Publication number: CH175397A
Authority: CH; Switzerland
Prior art keywords: pickup device; sound pickup; sound; pickup
Prior art date: 1932-05-20

Application number

Other languages

German (de)

Inventor

America Radio Corporation Of

Original Assignee

Rca Corp

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.)

1932-05-20

Filing date

1933-05-16

Publication date

1935-02-28

1933-05-16 Application filed by Rca Corp filed Critical Rca Corp

1935-02-28 Publication of CH175397A publication Critical patent/CH175397A/en

Links

CH175397D 1932-05-20 1933-05-16 Sound pickup device. CH175397A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US175397XA	1932-05-20	1932-05-20

Publications (1)

Publication Number	Publication Date
CH175397A true CH175397A (en)	1935-02-28

Family

ID=21783159

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH175397D CH175397A (en)	1932-05-20	1933-05-16	Sound pickup device.

Country Status (1)

Country	Link
CH (1)	CH175397A (en)

1933
- 1933-05-16 CH CH175397D patent/CH175397A/en unknown

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