RU2018118676A3 - - Google Patents
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- RU2018118676A3 RU2018118676A3 RU2018118676A RU2018118676A RU2018118676A3 RU 2018118676 A3 RU2018118676 A3 RU 2018118676A3 RU 2018118676 A RU2018118676 A RU 2018118676A RU 2018118676 A RU2018118676 A RU 2018118676A RU 2018118676 A3 RU2018118676 A3 RU 2018118676A3
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2018118676A RU2737225C2 (en) | 2018-05-21 | 2018-05-21 | Dynamic loudspeaker with internal double-cavity resonator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2018118676A RU2737225C2 (en) | 2018-05-21 | 2018-05-21 | Dynamic loudspeaker with internal double-cavity resonator |
Publications (3)
Publication Number | Publication Date |
---|---|
RU2018118676A RU2018118676A (en) | 2019-11-21 |
RU2018118676A3 true RU2018118676A3 (en) | 2019-11-21 |
RU2737225C2 RU2737225C2 (en) | 2020-11-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2018118676A RU2737225C2 (en) | 2018-05-21 | 2018-05-21 | Dynamic loudspeaker with internal double-cavity resonator |
Country Status (1)
Country | Link |
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RU (1) | RU2737225C2 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB271604A (en) * | 1926-04-01 | 1927-06-02 | William John Rickets | Improvements in or relating to telephonic instruments |
JPS5410912Y2 (en) * | 1973-09-10 | 1979-05-18 | ||
US4327257A (en) * | 1979-09-10 | 1982-04-27 | Schwartz Leslie H | Alignment device for electro-acoustical transducers |
JPS62114594U (en) * | 1986-01-09 | 1987-07-21 | ||
JPH077789A (en) * | 1993-06-21 | 1995-01-10 | Matsushita Electric Ind Co Ltd | Cone type speaker |
JPH10336790A (en) * | 1997-06-04 | 1998-12-18 | Sony Corp | Speaker |
JPH11262092A (en) * | 1998-03-11 | 1999-09-24 | Sony Corp | Loudspeaker system |
EP2077680B1 (en) * | 2007-12-14 | 2013-09-11 | Harman International Industries Ltd. | Loudspeaker system with double chamber enclosure |
RU2654323C2 (en) * | 2016-01-12 | 2018-05-17 | Растошинский Иван Сергеевич | Dynamic loudspeaker with internal resonator |
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2018
- 2018-05-21 RU RU2018118676A patent/RU2737225C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2737225C2 (en) | 2020-11-26 |
RU2018118676A (en) | 2019-11-21 |
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Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20200522 |