DE500370C - Differential acting condenser telephone - Google Patents

Differential acting condenser telephone

Info

Publication number
DE500370C
DE500370C DEV24429D DEV0024429D DE500370C DE 500370 C DE500370 C DE 500370C DE V24429 D DEV24429 D DE V24429D DE V0024429 D DEV0024429 D DE V0024429D DE 500370 C DE500370 C DE 500370C
Authority
DE
Germany
Prior art keywords
differential acting
telephone
membrane
acting capacitor
capacitor
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
DEV24429D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
Publication date
Priority to DEV24429D priority Critical patent/DE500370C/en
Application granted granted Critical
Publication of DE500370C publication Critical patent/DE500370C/en
Expired legal-status Critical Current

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
    • H04R19/00—Electrostatic transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

BERUN. GEDRUCKT !N DER REICHSDRUCKEHEJBERUN. PRINTED! N THE REICHSDRUCKEHEJ

Claims (3)

Patentansprüche:Patent claims: 1. Differential wirkendes Kondensatortelephon, gekennzeichnet durch eine derartige Anordnung der gegenseitigen Berührungsstellen der aufeinandergepreßten festen Belege, daß die Membran ihre freie Beweglichkeit und radiale Spannbarkeit behält.1. Differential acting capacitor telephone, characterized by such Arrangement of the mutual points of contact of the pressed solid documents that the membrane their retains free mobility and radial tension. 2. Differential wirkendes Kondensatortelephon gemäß Anspruch 1, dadurch gekennzeichnet, daß die Membran am Rand Durchlöcherungen besitzt, in denen sich Lagerplättchen befinden, welche zur Distanzierung und Lagerung der zweiten Kapazitätsfläche benutzt werden.2. Differential acting capacitor telephone according to claim 1, characterized in that that the membrane has holes at the edge in which there are bearing plates, which for Distancing and storage of the second capacity area can be used. 3. Differential wirkendes Kondensatortelephon gemäß Anspruch 1 und 2, dadurch gekennzeichnet, daß diese Durchlöcherungen zum Durchgang für die Befestigungsschrauben benutzt werden, welche die beiden Kapazitätsflächen zusammenhalten.3. Differential acting capacitor telephone according to claim 1 and 2, characterized characterized in that these perforations provide passage for the fastening screws which hold the two capacitance surfaces together.
DEV24429D Differential acting condenser telephone Expired DE500370C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV24429D DE500370C (en) Differential acting condenser telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV24429D DE500370C (en) Differential acting condenser telephone

Publications (1)

Publication Number Publication Date
DE500370C true DE500370C (en) 1930-06-20

Family

ID=7581180

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV24429D Expired DE500370C (en) Differential acting condenser telephone

Country Status (1)

Country Link
DE (1) DE500370C (en)

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