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
- 239000002184 metal Substances 0.000 claims 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 5
- 229910052799 carbon Inorganic materials 0.000 claims 5
- 239000011324 bead Substances 0.000 claims 2
- 241000446313 Lamella Species 0.000 claims 1
- 239000003610 charcoal Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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 (enrdf_load_stackoverflow) |
Family
ID=5777436
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT182370D Active DE182370C (enrdf_load_stackoverflow) | |||
| DENDAT203618D Active DE203618C (enrdf_load_stackoverflow) |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT182370D Active DE182370C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE203618C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT182370D patent/DE182370C/de active Active
- DE DENDAT203618D patent/DE203618C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE182370C (enrdf_load_stackoverflow) |
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