FR1067282A - Improvement in telephone receivers - Google Patents
Improvement in telephone receiversInfo
- Publication number
- FR1067282A FR1067282A FR1067282DA FR1067282A FR 1067282 A FR1067282 A FR 1067282A FR 1067282D A FR1067282D A FR 1067282DA FR 1067282 A FR1067282 A FR 1067282A
- Authority
- FR
- France
- Prior art keywords
- improvement
- telephone receivers
- receivers
- telephone
- 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
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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/04—Structural association of microphone with electric circuitry therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1067282T | 1952-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1067282A true FR1067282A (en) | 1954-06-14 |
Family
ID=9603163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1067282D Expired FR1067282A (en) | 1952-11-28 | 1952-11-28 | Improvement in telephone receivers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1067282A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899499A (en) * | 1959-08-11 | Eichwald | ||
NL1037787C2 (en) * | 2010-03-09 | 2011-09-13 | Rolf Peter Dijkgraaf | METHOD FOR REALIZING A SAVINGS ON ENERGY CONSUMPTION OF HEARING DEVICES AND A HEARING DEVICE IN WHICH THIS METHOD IS APPLIED |
-
1952
- 1952-11-28 FR FR1067282D patent/FR1067282A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899499A (en) * | 1959-08-11 | Eichwald | ||
NL1037787C2 (en) * | 2010-03-09 | 2011-09-13 | Rolf Peter Dijkgraaf | METHOD FOR REALIZING A SAVINGS ON ENERGY CONSUMPTION OF HEARING DEVICES AND A HEARING DEVICE IN WHICH THIS METHOD IS APPLIED |
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