GB201521609D0 - A voice muffler - Google Patents
A voice mufflerInfo
- Publication number
- GB201521609D0 GB201521609D0 GBGB1521609.6A GB201521609A GB201521609D0 GB 201521609 D0 GB201521609 D0 GB 201521609D0 GB 201521609 A GB201521609 A GB 201521609A GB 201521609 D0 GB201521609 D0 GB 201521609D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- muffler
- voice
- voice muffler
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1521609.6A GB2545200A (en) | 2015-12-08 | 2015-12-08 | A voice muffler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1521609.6A GB2545200A (en) | 2015-12-08 | 2015-12-08 | A voice muffler |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201521609D0 true GB201521609D0 (en) | 2016-01-20 |
GB2545200A GB2545200A (en) | 2017-06-14 |
Family
ID=55234571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1521609.6A Withdrawn GB2545200A (en) | 2015-12-08 | 2015-12-08 | A voice muffler |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2545200A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108836630B (en) * | 2018-06-28 | 2020-07-14 | 广东工业大学 | Noise-proof earplug with silencing structure |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000349882A (en) * | 1999-06-07 | 2000-12-15 | Yoichi Tanabe | Leaked sound prevention device for portable phone |
JP2001053846A (en) * | 1999-08-11 | 2001-02-23 | Yoshimasa Onishi | Accessory for portable telephone conversation and portable telephone set |
JP2005197846A (en) * | 2003-12-29 | 2005-07-21 | Masuko:Kk | Voice leakage preventing device for cellular phone |
US7532719B2 (en) * | 2005-03-22 | 2009-05-12 | Robert M Snodgrass | Voice absorber for portable telephonic devices |
WO2010101563A1 (en) * | 2009-03-02 | 2010-09-10 | Turkewitz Robert M | Privacy case for telephones |
US20110136535A1 (en) * | 2009-12-04 | 2011-06-09 | Alcatel-Lucent Usa Inc. | Appartus for Communication Privacy and Fidelity |
-
2015
- 2015-12-08 GB GB1521609.6A patent/GB2545200A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2545200A (en) | 2017-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |