DE203618C - - Google Patents
Info
- Publication number
- DE203618C DE203618C DENDAT203618D DE203618DA DE203618C DE 203618 C DE203618 C DE 203618C DE NDAT203618 D DENDAT203618 D DE NDAT203618D DE 203618D A DE203618D A DE 203618DA DE 203618 C DE203618 C DE 203618C
- Authority
- DE
- Germany
- Prior art keywords
- cup
- metal
- microphone
- disc
- carbon
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
- H04R21/021—Microphones with granular resistance material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F1/00—Platen presses, i.e. presses in which printing is effected by at least one essentially-flat pressure-applying member co-operating with a flat type-bed
- B41F1/26—Details
- B41F1/40—Inking units
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE203618T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE203618C true DE203618C (https=) |
Family
ID=5777436
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT203618D Active DE203618C (https=) | |||
| DENDAT182370D Active DE182370C (https=) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT182370D Active DE182370C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE182370C (https=) |
-
0
- DE DENDAT203618D patent/DE203618C/de active Active
- DE DENDAT182370D patent/DE182370C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE182370C (https=) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3933170C2 (de) | Vorrichtung zur Erzeugung einer stereoähnlichen Tonwiedergabe | |
| DE3211072C3 (de) | Elektret-Richtmikrofon | |
| DE203618C (https=) | ||
| DE3700594A1 (de) | Druckgradientenempfaenger | |
| DE2634324A1 (de) | Kegelfoermige kunstkopfartige tonabnehmereinrichtung fuer binauraltonabnahme- bzw. -aufnahmeanlagen | |
| DE2525642B2 (https=) | ||
| DE4119615C2 (de) | Gehörschützender Ohrpfropfen | |
| Rohrbaugh et al. | Bilateral distribution of the O wave. | |
| DE3325966A1 (de) | Elektrostatischer wandler, insbesondere kondensatormikrophon | |
| DE850031C (de) | Bimetallkontakte | |
| DE2252189A1 (de) | Kopfhoerer | |
| DE1129183B (de) | Elektroakustischer Wandler nach dem elektrostatischen Prinzip | |
| DE1926981C (de) | Fotowiderstand und Verfahren zu seiner Herstellung | |
| DE825864C (de) | Kontakt aus Bimetall und Verfahren zu seiner Herstellung | |
| AT274918B (de) | Polster für Kopfhörer | |
| DE3003844A1 (de) | Gehoerschutzeinrichtung, kopfhoerer, kopfsprechgarnitur o.dgl. | |
| DE495027C (de) | Einrichtung zur Beseitigung des Einflusses von aussen kommender Stoergeraeusche bei Mikrophonen | |
| DE34180C (de) | Neuerung an Mikrophonen | |
| DE3422804C2 (de) | Schaltungsanordnung für die Wiedergabe von Tonfrequenzen von Schallquellen | |
| DE513686C (de) | Elektrostatisches Telephon | |
| DE2401536A1 (de) | Flansch fuer die einstellung der schneckenlagerung von lenkgetrieben, insbesondere von kraftfahrzeugen | |
| DE844468C (de) | Trichterlautsprecher, insbesondere mit Druckkammersystem | |
| DE821054C (de) | Rundfunkgeraet | |
| DE2131695C3 (de) | Halbleiterbauelement | |
| AT112404B (de) | Schalldose und Membrane hiezu. |