DE8902176U1 - - Google Patents
Info
- Publication number
- DE8902176U1 DE8902176U1 DE8902176U DE8902176U DE8902176U1 DE 8902176 U1 DE8902176 U1 DE 8902176U1 DE 8902176 U DE8902176 U DE 8902176U DE 8902176 U DE8902176 U DE 8902176U DE 8902176 U1 DE8902176 U1 DE 8902176U1
- Authority
- DE
- Germany
- 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
Links
Classifications
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- 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
- H04R19/01—Electrostatic transducers characterised by the use of electrets
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- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
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- 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
-
- 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
- H04R19/04—Microphones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8902176U DE8902176U1 (pt) | 1989-02-23 | 1989-02-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8902176U DE8902176U1 (pt) | 1989-02-23 | 1989-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8902176U1 true DE8902176U1 (pt) | 1989-04-13 |
Family
ID=6836361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8902176U Expired DE8902176U1 (pt) | 1989-02-23 | 1989-02-23 |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8902176U1 (pt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0483559A2 (de) * | 1990-10-30 | 1992-05-06 | Siemens Aktiengesellschaft | Handapparatekörper für Fernsprechendgeräte |
EP0609744A1 (de) * | 1993-02-03 | 1994-08-10 | Ascom Zelcom Ag | Handapparat eines schnurgebundenen Telefonapparates |
-
1989
- 1989-02-23 DE DE8902176U patent/DE8902176U1/de not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0483559A2 (de) * | 1990-10-30 | 1992-05-06 | Siemens Aktiengesellschaft | Handapparatekörper für Fernsprechendgeräte |
EP0483559A3 (en) * | 1990-10-30 | 1993-04-14 | Siemens Aktiengesellschaft | Handset structure for telephone sets |
EP0609744A1 (de) * | 1993-02-03 | 1994-08-10 | Ascom Zelcom Ag | Handapparat eines schnurgebundenen Telefonapparates |