FI45612B - - Google Patents
Info
- Publication number
- FI45612B FI45612B FI210168A FI210168A FI45612B FI 45612 B FI45612 B FI 45612B FI 210168 A FI210168 A FI 210168A FI 210168 A FI210168 A FI 210168A FI 45612 B FI45612 B FI 45612B
- Authority
- FI
- Finland
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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for telephonic receivers
-
- 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
- H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967K0062942 DE1295657B (de) | 1967-07-26 | 1967-07-26 | Elektrodynamische Hoerkapsel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI45612B true FI45612B (nl) | 1972-04-04 |
| FI45612C FI45612C (fi) | 1972-07-10 |
Family
ID=7230855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI210168A FI45612C (fi) | 1967-07-26 | 1968-07-24 | Sähködynaaminen kuulorasia |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT283471B (nl) |
| DE (1) | DE1295657B (nl) |
| FI (1) | FI45612C (nl) |
| NL (1) | NL140696B (nl) |
| SE (1) | SE330556B (nl) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE888113C (de) * | 1950-11-24 | 1953-08-31 | Holmberg & Co | Elektrodynamisches Hoergeraet, wie Telephon, Mikrophon, Klein-Lautsprecher u. dgl. |
| DE1002793B (de) * | 1956-03-10 | 1957-02-21 | Carl Ludwig Lehner | Elektroakustischer Wandler |
| DE1243240C2 (de) * | 1962-12-13 | 1974-05-09 | Akustische | Elektroakustischer wandler, dessen einzelteile durch eine formkoerper lagerichtig zusammengehalten sind |
| DE1227065B (de) * | 1965-03-12 | 1966-10-20 | Lehner Fernsprech Signal | Elektroakustischer Wandler |
| DE1240127B (de) * | 1965-09-28 | 1967-05-11 | Siemens Ag | Elektrodynamischer Wandler |
-
1967
- 1967-07-26 DE DE1967K0062942 patent/DE1295657B/de not_active Withdrawn
-
1968
- 1968-07-09 AT AT657768A patent/AT283471B/de not_active IP Right Cessation
- 1968-07-23 SE SE1003168A patent/SE330556B/xx unknown
- 1968-07-24 FI FI210168A patent/FI45612C/fi active
- 1968-07-25 NL NL6810522A patent/NL140696B/nl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL140696B (nl) | 1973-12-17 |
| FI45612C (fi) | 1972-07-10 |
| NL6810522A (nl) | 1969-01-28 |
| SE330556B (nl) | 1970-11-23 |
| DE1295657B (de) | 1969-05-22 |
| AT283471B (de) | 1970-08-10 |