BG25633A1 - A photoelectric microphone - Google Patents

A photoelectric microphone

Info

Publication number
BG25633A1
BG25633A1 BG7800038308A BG3830878A BG25633A1 BG 25633 A1 BG25633 A1 BG 25633A1 BG 7800038308 A BG7800038308 A BG 7800038308A BG 3830878 A BG3830878 A BG 3830878A BG 25633 A1 BG25633 A1 BG 25633A1
Authority
BG
Bulgaria
Prior art keywords
photoelectric
microphone
photoelectric microphone
Prior art date
Application number
BG7800038308A
Other languages
Bulgarian (bg)
Inventor
Todorov
Parov
Original Assignee
Todorov
Parov
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 Todorov, Parov filed Critical Todorov
Priority to BG7800038308A priority Critical patent/BG25633A1/en
Publication of BG25633A1 publication Critical patent/BG25633A1/en

Links

BG7800038308A 1978-01-03 1978-01-03 A photoelectric microphone BG25633A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BG7800038308A BG25633A1 (en) 1978-01-03 1978-01-03 A photoelectric microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG7800038308A BG25633A1 (en) 1978-01-03 1978-01-03 A photoelectric microphone

Publications (1)

Publication Number Publication Date
BG25633A1 true BG25633A1 (en) 1978-11-10

Family

ID=3904158

Family Applications (1)

Application Number Title Priority Date Filing Date
BG7800038308A BG25633A1 (en) 1978-01-03 1978-01-03 A photoelectric microphone

Country Status (1)

Country Link
BG (1) BG25633A1 (en)

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