JPWO2022190804A1 - - Google Patents
Info
- Publication number
- JPWO2022190804A1 JPWO2022190804A1 JP2023505251A JP2023505251A JPWO2022190804A1 JP WO2022190804 A1 JPWO2022190804 A1 JP WO2022190804A1 JP 2023505251 A JP2023505251 A JP 2023505251A JP 2023505251 A JP2023505251 A JP 2023505251A JP WO2022190804 A1 JPWO2022190804 A1 JP WO2022190804A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
-
- 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
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021039053 | 2021-03-11 | ||
| PCT/JP2022/006316 WO2022190804A1 (en) | 2021-03-11 | 2022-02-17 | Projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPWO2022190804A1 true JPWO2022190804A1 (en) | 2022-09-15 |
Family
ID=83227597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023505251A Pending JPWO2022190804A1 (en) | 2021-03-11 | 2022-02-17 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2022190804A1 (en) |
| TW (1) | TW202301019A (en) |
| WO (1) | WO2022190804A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4793077B2 (en) * | 2006-04-25 | 2011-10-12 | 株式会社ケンウッド | Screen speaker system |
| WO2014157351A1 (en) * | 2013-03-28 | 2014-10-02 | 富士フイルム株式会社 | Electroacoustic conversion film, electroacoustic converter, flexible display, and projector screen |
| JP2019040095A (en) * | 2017-08-25 | 2019-03-14 | 株式会社Ｊｖｃケンウッド | Display device and planetarium device |
| CN110850671A (en) * | 2019-11-20 | 2020-02-28 | 四川长虹电器股份有限公司 | Self-sounding laser projection display screen and wall-mounted tone quality improvement method thereof |
| CN211506161U (en) * | 2020-03-31 | 2020-09-15 | 南京钛克铼斯国际贸易有限公司 | Electric floor-pulling curtain |
-
2022
- 2022-02-17 WO PCT/JP2022/006316 patent/WO2022190804A1/en active Application Filing
- 2022-02-17 JP JP2023505251A patent/JPWO2022190804A1/ja active Pending
- 2022-02-24 TW TW111106843A patent/TW202301019A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TW202301019A (en) | 2023-01-01 |
| WO2022190804A1 (en) | 2022-09-15 |