AT265386B - Electric sound recorder - Google Patents
Electric sound recorderInfo
- Publication number
- AT265386B AT265386B AT214765A AT214765A AT265386B AT 265386 B AT265386 B AT 265386B AT 214765 A AT214765 A AT 214765A AT 214765 A AT214765 A AT 214765A AT 265386 B AT265386 B AT 265386B
- Authority
- AT
- Austria
- Prior art keywords
- sound recorder
- electric sound
- electric
- recorder
- sound
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Circuit For Audible Band Transducer (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH309664A CH438424A (en) | 1964-03-10 | 1964-03-10 | Electrical sound recording and / or reproducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
AT265386B true AT265386B (en) | 1968-10-10 |
Family
ID=4248524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT214765A AT265386B (en) | 1964-03-10 | 1965-03-10 | Electric sound recorder |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT265386B (en) |
CH (1) | CH438424A (en) |
DE (1) | DE1437926B2 (en) |
-
1964
- 1964-03-10 CH CH309664A patent/CH438424A/en unknown
-
1965
- 1965-03-10 DE DE19651437926 patent/DE1437926B2/en active Pending
- 1965-03-10 AT AT214765A patent/AT265386B/en active
Also Published As
Publication number | Publication date |
---|---|
DE1437926A1 (en) | 1968-12-05 |
DE1437926B2 (en) | 1972-02-24 |
CH438424A (en) | 1967-06-30 |
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