CH438424A - Electrical sound recording and / or reproducing device - Google Patents

Electrical sound recording and / or reproducing device

Info

Publication number
CH438424A
CH438424A CH309664A CH309664A CH438424A CH 438424 A CH438424 A CH 438424A CH 309664 A CH309664 A CH 309664A CH 309664 A CH309664 A CH 309664A CH 438424 A CH438424 A CH 438424A
Authority
CH
Switzerland
Prior art keywords
reproducing device
sound recording
electrical sound
electrical
recording
Prior art date
Application number
CH309664A
Other languages
German (de)
Inventor
Peiker Heinrich
Original Assignee
Peiker Heinrich
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 Peiker Heinrich filed Critical Peiker Heinrich
Priority to CH309664A priority Critical patent/CH438424A/en
Priority to AT214765A priority patent/AT265386B/en
Priority to DE19651437926 priority patent/DE1437926B2/en
Publication of CH438424A publication Critical patent/CH438424A/en

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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
CH309664A 1964-03-10 1964-03-10 Electrical sound recording and / or reproducing device CH438424A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH309664A CH438424A (en) 1964-03-10 1964-03-10 Electrical sound recording and / or reproducing device
AT214765A AT265386B (en) 1964-03-10 1965-03-10 Electric sound recorder
DE19651437926 DE1437926B2 (en) 1964-03-10 1965-03-10 ELECTRIC SOUND RECORDING AND OR PLAYBACK DEVICE

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
CH438424A true CH438424A (en) 1967-06-30

Family

ID=4248524

Family Applications (1)

Application Number Title Priority Date Filing Date
CH309664A CH438424A (en) 1964-03-10 1964-03-10 Electrical sound recording and / or reproducing device

Country Status (3)

Country Link
AT (1) AT265386B (en)
CH (1) CH438424A (en)
DE (1) DE1437926B2 (en)

Also Published As

Publication number Publication date
DE1437926B2 (en) 1972-02-24
DE1437926A1 (en) 1968-12-05
AT265386B (en) 1968-10-10

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