USD753074S1 - Frequency diffuser - Google Patents
Frequency diffuser Download PDFInfo
- Publication number
- USD753074S1 USD753074S1 US29/488,510 US201429488510F USD753074S US D753074 S1 USD753074 S1 US D753074S1 US 201429488510 F US201429488510 F US 201429488510F US D753074 S USD753074 S US D753074S
- Authority
- US
- United States
- Prior art keywords
- frequency diffuser
- diffuser
- frequency
- view
- ornamental design
- 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.)
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Description
The design is for a Quadratic Residue Diffuser (QRD) acoustic diffuser which is used to control reflection of sound in a listening environment.
Claims (1)
- The ornamental design for a frequency diffuser, as shown and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/488,510 USD753074S1 (en) | 2014-04-21 | 2014-04-21 | Frequency diffuser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/488,510 USD753074S1 (en) | 2014-04-21 | 2014-04-21 | Frequency diffuser |
Publications (1)
Publication Number | Publication Date |
---|---|
USD753074S1 true USD753074S1 (en) | 2016-04-05 |
Family
ID=55589407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/488,510 Active USD753074S1 (en) | 2014-04-21 | 2014-04-21 | Frequency diffuser |
Country Status (1)
Country | Link |
---|---|
US (1) | USD753074S1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD793977S1 (en) * | 2015-02-23 | 2017-08-08 | Omni Lps. Co., Ltd. | DC electric power noise cutoff device for electric anticorrosion apparatus |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD317909S (en) * | 1989-07-07 | 1991-07-02 | Kitagawa Industries Co., Ltd. | Absorber of electric noise |
USD403301S (en) * | 1996-02-08 | 1998-12-29 | Danfoss A/S | Box for a frequency converter |
USD443842S1 (en) * | 1999-03-01 | 2001-06-19 | Citizen Electronics Co., Ltd | Electro-magnetic sound generator |
USD471172S1 (en) * | 2001-07-13 | 2003-03-04 | Richard P Greenway | High frequency transmitter |
-
2014
- 2014-04-21 US US29/488,510 patent/USD753074S1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD317909S (en) * | 1989-07-07 | 1991-07-02 | Kitagawa Industries Co., Ltd. | Absorber of electric noise |
USD403301S (en) * | 1996-02-08 | 1998-12-29 | Danfoss A/S | Box for a frequency converter |
USD443842S1 (en) * | 1999-03-01 | 2001-06-19 | Citizen Electronics Co., Ltd | Electro-magnetic sound generator |
USD471172S1 (en) * | 2001-07-13 | 2003-03-04 | Richard P Greenway | High frequency transmitter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD793977S1 (en) * | 2015-02-23 | 2017-08-08 | Omni Lps. Co., Ltd. | DC electric power noise cutoff device for electric anticorrosion apparatus |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FEPP | Fee payment procedure |
Free format text: ENTITY STATUS SET TO MICRO (ORIGINAL EVENT CODE: MICR); ENTITY STATUS OF PATENT OWNER: MICROENTITY |